Aire One Peel Heating & Cooling · Mississauga and Peel Region · Updated November 2026

Evaporator Coil Leak: Is It Covered by Warranty in Ontario?

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published November 2, 2026 · Facts verified October 30, 2026

Short answer

Often, yes, for the part. On Carrier evaporator coils, the original owner of an owner-occupied home gets a 10-year parts limited warranty if the equipment was registered on time, within 90 days of installation. If it was not registered, the warranty is 5 years. The coil warranty covers parts. Labour and refrigerant are usually separate, so check your installer's labour warranty too.

On this page

What the evaporator coil does · Signs of a leaking coil · What Carrier's coil warranty covers · What is usually not in the coil warranty · How to make a claim · Repair, replace the coil, or replace the system? · Talk to us · Frequently asked questions

What the evaporator coil does

The evaporator coil sits on top of your furnace or air handler. In summer, cold refrigerant runs through it and pulls heat and moisture out of the air. With a heat pump it works in winter too. If the coil develops a leak, refrigerant escapes and the system loses its ability to cool, and a heat pump also loses heating capacity.

Signs of a leaking coil

• The air conditioner runs but the air is not cold.
• Ice on the coil or on the copper line.
• A hissing sound near the indoor unit.
• Longer run times and higher electricity bills.

A technician confirms a leak with a leak test. Ask to see where the leak is and the model and serial number of the coil.

What Carrier's coil warranty covers

Situation	Parts warranty
Registered within 90 days of installation	10-year parts limited warranty
Not registered within 90 days	5 years
Province or territory that does not allow registration conditions	10 years without registration

Table: Carrier Canada evaporator coil page (CAWMP), read October 30, 2026. Applies to the original owner in an owner-occupied home. Carrier says to see the warranty certificate for complete details.

What is usually not in the coil warranty

• Labour. The coil warranty is a parts warranty. Who pays for the technician's time depends on your installer's labour warranty. Our labour warranty guide explains how that works in Ontario.
• Refrigerant. Recharging the system after a leak is usually billed separately.
• Damage from other causes, such as poor installation or lack of maintenance, depending on the certificate's terms.

How to make a claim

1. Find the coil's model and serial number (on the coil cabinet's label) and your installation date.
2. Check whether the equipment was registered. Your installer or the manufacturer can look it up.
3. Ask your installer to confirm the leak and file the warranty claim for the part.
4. Ask for a written quote showing parts, labour and refrigerant on separate lines.

Our guide to air conditioner warranties lists what is and is not covered in general. If you have a heat pump, see our heat pump warranty guide.

Repair, replace the coil, or replace the system?

• Small, reachable leak on a newer system: sometimes repairable. Ask the technician whether a repair is likely to hold.
• Coil leak under the parts warranty: replacing the coil under warranty is often the best value. You pay labour and refrigerant.
• Older system out of warranty: compare the cost of a new coil plus labour and refrigerant with replacing the system.

Talk to us

If your air conditioner is blowing warm air or the coil is icing up, book air conditioner repair in Mississauga. We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

Is an evaporator coil leak covered by warranty?

Often, for the part. Carrier evaporator coils have a 10-year parts limited warranty for the original owner of an owner-occupied home if registered within 90 days of installation, or 5 years if not registered.

Does the coil warranty cover labour?

The coil warranty covers parts. Labour and refrigerant are usually separate. Check your installer's labour warranty.

What happens if I did not register my air conditioner?

On Carrier evaporator coils, the parts warranty is 5 years instead of 10 if the equipment was not registered within 90 days of installation.

How do I know if my evaporator coil is leaking?

Common signs are warm air from the vents while the system runs, ice on the coil or lines, a hissing sound and higher bills. A technician confirms it with a leak test.

Should I repair or replace a leaking evaporator coil?

If the coil is under its parts warranty, replacing the coil is often the best value. On an older system out of warranty, compare the cost of a new coil, labour and refrigerant with replacing the system.

Sources and references

• Carrier Canada, evaporator coil warranty (CAWMP), read October 30, 2026.

Questions about your system? Call 905-564-8545. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) and Carrier Factory Authorized Dealer serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

The post Evaporator Coil Leak: Is It Covered by Warranty in Ontario? appeared first on Aire One Heating & Cooling.

Aire One Peel Heating & Cooling · Mississauga and Peel Region · Updated November 2026

How Long Does a Heat Pump Last in Ontario?

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published November 2, 2026 · Facts verified October 30, 2026

Short answer

Air-source heat pumps typically last 10 to 15 years, and geothermal heat pumps can last more than 20 years, according to Carrier. Where yours lands in that range depends mostly on maintenance, correct sizing and installation, the quality of the system and how hard it works. In Ontario a heat pump heats in winter and cools in summer, so it runs more months of the year than a furnace, which typically lasts 15 to 20 years.

On this page

Heat pump lifespan by type · What decides how long yours lasts · What this means in an Ontario winter · How to make a heat pump last · Signs it may be time to plan a replacement · Talk to us · Frequently asked questions

Heat pump lifespan by type

Type	Typical lifespan
Air-source heat pump (ducted or ductless)	10 to 15 years
Geothermal (ground-source) heat pump	More than 20 years
For comparison: gas furnace	15 to 20 years

Table sources: Carrier Canada, "How long do heat pumps last" (read October 30, 2026); furnace figure from our furnace lifespan guide.

What decides how long yours lasts

Carrier lists six factors:

• Maintenance. Carrier calls this the most important one. A yearly tune-up and regular filter changes keep the system from working harder than it should.
• Installation and sizing. A unit that is too small runs constantly. One that is too big turns on and off too often. Both wear it out sooner.
• System quality. Better-built equipment tends to last longer.
• Type. Geothermal systems last longer than air-source systems.
• Climate. Cold climates make a heat pump work harder in winter.
• Usage. Frequent cycling and long run times add wear.

What this means in an Ontario winter

An Ontario heat pump does two jobs: heating from fall to spring and cooling in summer. A cold-climate model keeps heating well below freezing, but the colder it gets, the harder it works. Our guide to heat pumps in cold weather explains how they cope. Pairing a heat pump with a gas furnace (dual fuel) lets the furnace take the coldest days, which takes some of that load off the heat pump.

How to make a heat pump last

• Book a yearly maintenance visit, ideally before the heating season.
• Change or clean the filter on schedule.
• Keep the outdoor unit clear of snow, ice, leaves and anything stacked against it.
• Have it sized with a proper heat-loss calculation when it is installed.
• Register the equipment so the full warranty applies.

Signs it may be time to plan a replacement

• It is past 10 years old and needs repairs more often.
• Rooms no longer reach the set temperature in heating or cooling.
• Your energy bills rise without a change in how you use it.
• A major part, such as the compressor, fails after the warranty has ended.

None of these alone means replace. A technician can tell you whether a repair is worth it. Our heat pump installation page covers what a replacement involves and the rebates that may apply.

Talk to us

We service and install heat pumps across Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

How long does a heat pump last in Ontario?

Air-source heat pumps typically last 10 to 15 years and geothermal heat pumps can last more than 20 years, according to Carrier. Maintenance, sizing and installation make the biggest difference.

Do heat pumps last as long as furnaces?

Usually not quite. An air-source heat pump typically lasts 10 to 15 years, and a gas furnace 15 to 20 years. A heat pump also cools in summer, so it runs more months of the year.

Does cold weather shorten a heat pump's life?

Cold climates make a heat pump work harder, which Carrier lists as one of the factors in lifespan. Regular maintenance and correct sizing help, and a dual-fuel setup lets a furnace take the coldest days.

What is the most important thing to make a heat pump last?

Maintenance. Carrier calls it the most important factor: a yearly tune-up and regular filter changes.

How long does a geothermal heat pump last?

Geothermal heat pumps can last more than 20 years, according to Carrier.

Sources and references

• Carrier Canada, "How long do heat pumps last", read October 30, 2026.

Questions about your system? Call 905-564-8545. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) and Carrier Factory Authorized Dealer serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

The post How Long Does a Heat Pump Last in Ontario? appeared first on Aire One Heating & Cooling.

Aire One Peel Heating & Cooling · Mississauga and Peel Region · Updated November 2026

Best Home Heating System for an Ontario House: Furnace, Heat Pump, Dual Fuel, Boiler or Baseboard

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published November 2, 2026 · Facts verified October 30, 2026

Short answer

For most Ontario homes that already have natural gas and ductwork, a high-efficiency gas furnace is still the cheapest to run: about 2.9 cents per kWh of heat at November 2026 rates. A cold-climate heat pump adds air conditioning, and is close to gas on cost in mild weather. Pairing it with a furnace (dual fuel) lets each run when it is cheaper. Homes heated by electric baseboard, oil or propane gain the most from a heat pump, with rebates of up to $7,500. The best system for you depends on your fuel, your ducts and whether you want cooling.

On this page

The five options at a glance · Gas furnace: the cheapest heat for most gas homes · Cold-climate heat pump: heating and cooling in one · Dual fuel: let each system do what it is best at · Boiler: for homes with radiators or in-floor heat · Electric baseboard: simple, but the most expensive to run · How to choose · Get advice for your home · Frequently asked questions

The five options at a glance

System	Needs ducts?	Cools too?	Energy cost per kWh of heat (Nov 2026)	Ontario rebate	Typical lifespan
High-efficiency gas furnace (95% AFUE)	Yes	No (add central air)	About 2.9¢	None for the furnace itself	15 to 20 years
Cold-climate air-source heat pump	Ducted or ductless	Yes	About 3.0¢ in mild weather, 4.5¢ to 6.5¢ in deep cold or at peak	Up to $7,500 (electric, oil, propane homes); up to $2,000 (gas homes)	10 to 15 years
Dual fuel (heat pump + gas furnace)	Yes	Yes	Heat pump in mild weather, gas in the cold	Heat pump rebate applies	Each part as above
Gas boiler (radiators or in-floor)	No (pipes)	No	Burns the same gas as a furnace	None listed here	Not covered in this guide
Electric baseboard	No	No	9.1¢ to 18.9¢ (every kWh of power = 1 kWh of heat)	Switching to a heat pump: up to $7,500	Not covered in this guide

Table sources:

• Energy costs from our heat pump vs furnace running cost guide: Ontario Energy Board electricity rates effective November 1, 2026 (time-of-use 9.1¢, 14.6¢, 18.9¢) and Enbridge Gas at 28.5¢ per cubic metre. Energy only; excludes HST, the fixed monthly gas charge, and electricity delivery and regulatory charges.
• Rebates from the Home Renovation Savings program, re-read October 30, 2026: $1,250 per ton up to $7,500 for homes heated by electricity, oil, propane or wood; $500 per ton up to $2,000 for natural gas homes. Pre-approval is mandatory and a participating contractor submits the application.
• Lifespans from our furnace lifespan guide and Carrier Canada for heat pumps, summarized in our heat pump lifespan guide.

Gas furnace: the cheapest heat for most gas homes

If you already have gas and good ductwork, a high-efficiency furnace gives the lowest cost per unit of heat at today's rates. It does not cool, so most homes pair it with central air. Installed furnaces in Mississauga run about $3,500 to $8,500 in 2026, depending on size, efficiency and the work involved. Our new furnace cost guide breaks that down.

Cold-climate heat pump: heating and cooling in one

A heat pump moves heat instead of making it. In mild weather it delivers close to three units of heat for each unit of electricity, which puts it near gas on cost. As it gets colder it works harder and the cost per unit of heat rises. A cold-climate model keeps heating well below freezing. It also replaces your air conditioner. Carrier Canada gives a broad installed range of about $4,050 to $20,250 or more, depending on the system. Our heat pump installation page covers what we install.

Dual fuel: let each system do what it is best at

A dual-fuel (hybrid) system adds a heat pump to a gas furnace. The heat pump heats in milder weather and cools in summer. The furnace takes over on the coldest days. It keeps the comfort and backup of gas while using less of it. Our dual-fuel guide explains how the changeover works.

Boiler: for homes with radiators or in-floor heat

A boiler heats water and sends it through radiators or in-floor tubing. It gives quiet, even heat and has no ducts, which also means there is no ductwork for central air. A gas boiler burns the same gas as a furnace, so its fuel cost is in the same range for the same efficiency. If you already have radiators, a new boiler usually makes more sense than adding ducts.

Electric baseboard: simple, but the most expensive to run

Baseboard heaters turn one kWh of electricity into one kWh of heat. At 9.1¢ to 18.9¢ per kWh, that is several times the cost of gas heat. This is the case where a heat pump pays off fastest, and where the rebate is largest: up to $7,500 for homes heated by electricity, oil or propane. A ductless heat pump works in homes with no ducts.

How to choose

• You have gas and ducts, and want the lowest heating bill: a high-efficiency gas furnace.
• You have gas and ducts, and need a new air conditioner too: consider dual fuel.
• You heat with electric baseboard, oil or propane: a cold-climate heat pump, with the larger rebate.
• You have radiators or in-floor heat: a high-efficiency boiler.
• Your furnace is old but working: our furnace lifespan guide shows when to start budgeting.

For a wider look at efficiency options, see our guide to energy-efficient HVAC options in Ontario.

Get advice for your home

We install furnaces, heat pumps and dual-fuel systems, and give a written quote after a site visit. See our furnaces page and heat pump installation page. We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. In Brampton, our page on heating and cooling in Brampton covers furnaces, air conditioners and heat pumps. Call 905-564-8545.

Frequently asked questions

What is the best home heating system in Ontario?

For most homes with natural gas and ducts, a high-efficiency gas furnace is the cheapest to run, at about 2.9 cents per kWh of heat at November 2026 rates. Homes on electric baseboard, oil or propane usually do best with a cold-climate heat pump.

Is a heat pump cheaper than a gas furnace in Ontario?

Not usually for a gas home at current rates. A heat pump costs about 3.0 cents per kWh of heat in mild weather on off-peak power and 4.5 to 6.5 cents in deep cold or at peak, compared with about 2.9 cents for a 95% efficient gas furnace. Against electric baseboard, a heat pump is much cheaper.

What is the cheapest way to heat a house in Ontario?

At November 2026 rates, natural gas in a high-efficiency furnace has the lowest energy cost per unit of heat. Electric baseboard has the highest, at 9.1 to 18.9 cents per kWh.

Is there a rebate for switching to a heat pump in Ontario?

Yes. The Home Renovation Savings program offers up to $7,500 for homes heated by electricity, oil or propane, and up to $2,000 for gas-heated homes. Pre-approval and a participating contractor are required.

What is a dual-fuel heating system?

A heat pump paired with a gas furnace. The heat pump heats in milder weather and cools in summer, and the furnace takes over on the coldest days.

Sources and references

• Ontario Energy Board electricity prices and Enbridge Gas rates, as compiled in our running cost guide, read October 30, 2026.
• Home Renovation Savings program, heat pump rebates, read October 30, 2026.
• Carrier Canada, "How much does a heat pump cost", read October 30, 2026.
• Carrier Canada, "How long do heat pumps last", read October 30, 2026.

Questions about your system? Call 905-564-8545. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) and Carrier Factory Authorized Dealer serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

The post Best Home Heating System for an Ontario House: Furnace, Heat Pump, Dual Fuel, Boiler or Baseboard appeared first on Aire One Heating & Cooling.

Aire One Peel Heating & Cooling · Mississauga and Peel Region · Updated November 2026

Best Thermostat Setting for Winter in Ontario

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published November 2, 2026 · Facts verified October 30, 2026

Short answer

There is no single right number. The setting that saves money is a lower one at night and while the house is empty. In a Canadian government test house heated by a gas furnace, lowering the thermostat from 22°C to 18°C overnight used 6.5% less natural gas. Setting it to 16°C at night and while the house was empty during the day used 13% less. Pick a daytime temperature your household is comfortable with, then set it back.

On this page

What the Canadian test found · A simple winter schedule · If you have a heat pump · Comfort is not only the number · More ways to cut the heating bill · Talk to us · Frequently asked questions

What the Canadian test found

Statistics Canada reported a 2003 test by the Canadian Centre for Housing Technology. Two identical test houses were compared, one used as the benchmark at a steady 22°C.

Setting	Gas saved compared with a steady 22°C
22°C all day and night (benchmark)	0%
18°C at night	6.5%
16°C at night and while the house is empty in the day	13%

Table: Statistics Canada, "Thermostat use in Canadian homes" (EnviroStats, catalogue 16-002-X), reporting the 2003 Canadian Centre for Housing Technology test. Read October 30, 2026.

Two cautions. The test used one mid-efficiency gas furnace in test houses with no people living in them. Your savings depend on your home's insulation, your furnace and your habits.

A simple winter schedule

• Home and awake: the temperature your household finds comfortable.
• Asleep: a few degrees lower. The test's 18°C overnight setting saved 6.5%.
• Everyone out for the day: lower again. The test's 16°C at night and when away saved 13%.
• Away on a trip: keep the heat on at a lower setting rather than off, so pipes and the house stay protected.

A programmable or smart thermostat does this for you, so you do not have to remember. Our guide to smart thermostats explains the options.

If you have a heat pump

The test above used a gas furnace. Heat pumps and dual-fuel systems can respond differently to a large setback, depending on how the system and its backup heat are set up. Ask your installer what setback and recovery settings suit your system before you program deep setbacks.

Comfort is not only the number

• Humidity. Dry winter air can make a room feel colder than the thermostat says. Our indoor humidity guide sets out the levels Ontario homes should aim for.
• Thermostat location. A thermostat near a supply register, a lamp or a sunny window reads warm and leaves other rooms cold.
• Filter and maintenance. A clogged filter and a furnace that has not been serviced take longer to reach the set temperature.

More ways to cut the heating bill

Our guide to lowering your heating bill in Ontario has the next steps after the thermostat.

Talk to us

If some rooms never reach the set temperature, the cause may be airflow, the thermostat or the furnace. Book a visit and we will find it. We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

What is the best thermostat setting for winter in Ontario?

Use a temperature your household is comfortable with when you are home and awake, and set it lower at night and when the house is empty. In a Canadian test house, 18°C at night instead of a steady 22°C saved 6.5% of gas.

How much can I save by turning the thermostat down at night?

In the 2003 Canadian Centre for Housing Technology test, a night setback from 22°C to 18°C used 6.5% less natural gas. Setting it to 16°C at night and while the house was empty saved 13%. Results vary by home.

Is it cheaper to leave the heat at one temperature all day?

Not in the Canadian test. The settings with a night setback, and a setback while the house was empty, used less gas than holding a steady 22°C.

Should I turn the heat off when I go on vacation in winter?

No. Keep it on at a lower setting so pipes and the house stay protected.

Do thermostat setbacks work with a heat pump?

They can, but heat pumps and dual-fuel systems may respond differently to a large setback. Ask your installer about setback and recovery settings for your system.

Sources and references

• Statistics Canada, "Thermostat use in Canadian homes", read October 30, 2026.

Questions about your system? Call 905-564-8545. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) and Carrier Factory Authorized Dealer serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

The post Best Thermostat Setting for Winter in Ontario appeared first on Aire One Heating & Cooling.

Aire One Peel Heating & Cooling · Mississauga and Peel Region · Updated November 2026

Furnace Leaking Water: Causes and What to Do

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published November 2, 2026 · Facts verified October 30, 2026

Short answer

Most water around a furnace in Ontario comes from a high-efficiency furnace. These furnaces make water (condensate) as they run and drain it away through a small plastic line. If the drain line is clogged or blocked, the water backs up and leaks from the furnace. Other causes include a broken condensate pump, a leaking humidifier and, more seriously, a cracked or corroded heat exchanger. Wipe up the water, keep it away from wiring, and book a service call.

On this page

Why a high-efficiency furnace makes water · Common causes · What to do right now · When water is a safety warning · How to prevent it · When to call us · Frequently asked questions

Why a high-efficiency furnace makes water

A high-efficiency gas furnace pulls so much heat out of its exhaust that water vapour in the exhaust condenses into liquid. That water, called condensate, runs through a trap and a small drain line to a floor drain or to a condensate pump. Carrier notes that high-efficiency units produce more condensate, so a drain problem shows up faster on them. A little water in the drain line is normal. Water on the floor is not.

Common causes

Cause	What you might see	Who fixes it
Clogged or blocked condensate drain	Water pooling under or beside the furnace; the furnace may shut off	A technician clears and flushes the drain and trap
Broken or loose condensate pump	Water around the small pump box; the pump does not run, or a hose has come loose	Check the hose is in place; a technician replaces a failed pump
Faulty or leaking humidifier	Water on the side of the ductwork where the humidifier is mounted	Shut the humidifier water valve; book a service visit
Condensate not draining properly	Drips from the vent or drain fittings, a sagging or disconnected line	A technician re-slopes or reconnects the line
Cracked or corroded heat exchanger	Water or rust inside the cabinet, soot, a yellow flame, or a carbon monoxide alarm	Switch it off and book an inspection right away

Table: causes as listed by Carrier Canada ("Furnace is leaking water", read October 30, 2026), with what our technicians see on service calls in Peel Region.

In summer, the air conditioner coil that sits on top of the furnace also makes water. A blocked air conditioner drain can look like a furnace leak. Our evaporator coil guide covers that side.

What to do right now

1. Keep water away from electricity. If water is near the furnace's wiring, switch the furnace off at the thermostat and at the service switch on or near the furnace.
2. Wipe up the water so it does not soak into flooring or drywall. Standing moisture leads to mould.
3. Look at the drain line and pump. Check that the small plastic line is still connected and that the pump's hose has not slipped out of the floor drain.
4. Shut the humidifier's water valve if the water is coming from the humidifier.
5. Book a service call. Carrier advises calling a professional instead of attempting repairs yourself.

Do not open the burner compartment or bypass a safety switch to keep the furnace running.

When water is a safety warning

A cracked heat exchanger can let combustion gases, including carbon monoxide, into the air you breathe. If a carbon monoxide alarm sounds, or anyone has headaches, nausea or dizziness that ease outside, get everyone out and call 911 from outside. Our guides to a cracked heat exchanger and furnace carbon monoxide in Ontario explain the signs and the rules.

How to prevent it

• Have the condensate drain and trap checked and cleaned as part of the yearly furnace maintenance.
• Change the filter on schedule.
• Have the humidifier pad and valve checked each fall.

When to call us

If you find water around your furnace, book furnace repair in Mississauga. Our TSSA certified technicians serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

Why is my furnace leaking water?

On a high-efficiency furnace the most common cause is a clogged or blocked condensate drain, which makes the water back up and leak. A broken condensate pump, a leaking humidifier or a cracked heat exchanger can also cause it.

Is it normal for a furnace to have water?

A high-efficiency furnace makes water and drains it through a small line, so water in the drain line is normal. Water on the floor around the furnace is not.

Is a furnace leaking water dangerous?

It can be. Water near wiring is an electrical hazard, moisture can lead to mould, and if the cause is a cracked heat exchanger there is a risk of carbon monoxide. Switch the furnace off if water is near wiring and book a service call.

Can I still run my furnace if it is leaking water?

If the water is near electrical parts, or a carbon monoxide alarm has sounded, switch it off. Otherwise, book a service call as soon as you can rather than letting it keep leaking.

How do I stop a furnace from leaking water?

Have the condensate drain and trap cleaned during yearly maintenance, check that the drain line and pump hose are connected, and have the humidifier checked each fall.

Sources and references

• Carrier Canada, "Furnace is leaking water", read October 30, 2026.

Questions about your system? Call 905-564-8545. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) and Carrier Factory Authorized Dealer serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

The post Furnace Leaking Water: Causes and What to Do appeared first on Aire One Heating & Cooling.

Installed price ranges

What changes the price in your home

• Number of indoor heads. Each room you want to heat or cool separately needs its own head. One outdoor unit can serve several heads.
• Cold-climate or cooling-focused. Cold-climate heat pumps keep heating at much lower outdoor temperatures and cost more. Many are rated to -25 °C or lower, depending on the model.
• Line set length and route. The copper lines run between the outdoor unit and each head. Longer runs and covers (line hides) add labour and material.
• Electrical work. Most systems need a dedicated circuit. An older panel may need work.
• Mounting. Wall bracket, ground pad or roof, and how hard the outdoor spot is to reach.
• Permits. Mechanical and electrical permits may apply, depending on the job.

The rebate that changes the math

Ontario’s Home Renovation Savings program pays $1,250 per ton, up to $7,500, for a cold-climate air source heat pump in a home heated with electricity, oil or propane, and $500 per ton, up to $2,000, in a home heated with natural gas. The unit must be on Natural Resources Canada’s qualified products list, and pre-approval is required before installation (Home Renovation Savings, read October 27, 2026). A ductless cold-climate heat pump can qualify. A cooling-only unit cannot. Check the current amounts and your model before you sign. Our heat pump cost guide explains the rebate steps.

Ductless or central air?

If your home already has good ductwork, central air is usually cheaper and simpler. Ductless wins in a few cases:

• Homes without ducts.
• Additions and finished basements.
• A room that never holds temperature.
• When you want a heat pump that qualifies for the rebate.

Our ductless vs central air guide compares both side by side.

What we install

We install Carrier and Mitsubishi Electric ductless systems:

• Single-zone systems for one room.
• Multi-zone systems with one outdoor unit and two to five indoor heads.

Most of our installs are cold-climate heat pumps that heat as well as cool. You get a written, itemized quote after a site visit. See ductless split systems in Mississauga. We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

How much does a ductless mini-split cost in Mississauga?

In 2026, published Ontario installed prices are about $3,500 to $7,000 for a single-zone system. Cold-climate units run up to about $9,000. Systems with three indoor heads run about $9,000 to $22,000. Your price depends on the number of heads, the unit and the installation.

Is there a rebate for a ductless heat pump in Ontario?

Yes. Ontario’s Home Renovation Savings program offers up to $7,500 for a cold-climate air source heat pump in a home heated with electricity, oil or propane, and up to $2,000 in a home heated with natural gas. The amount depends on the size installed, the model must be on the NRCan qualified products list, and pre-approval is required.

Can a ductless mini-split heat my home in winter?

Cold-climate models can. Many are rated to keep heating down to about -25 °C, depending on the model. Many homes keep the furnace as backup for the coldest days.

How many indoor heads do I need?

Usually one per room or open area you want to control separately. One outdoor unit can serve several heads, which is cheaper than separate systems.

How long does a ductless installation take?

A single-zone install is usually done in under a day. Multi-zone systems take longer depending on the number of heads and line routes.

Sources and references

• Home Renovation Savings, Heat pumps, rebate by heating source ($1,250 per ton up to $7,500; $500 per ton up to $2,000 for natural gas homes), read October 27, 2026.
• Save on Energy, Home Renovation Savings, cold climate air source heat pump up to $7,500 based on size, read October 26, 2026.
• Natural Resources Canada, ENERGY STAR Canada, qualified products listing.
• Boldr, Mini split cost in Ontario, published May 29, 2026 (equipment seller).
• Aire One Peel, Ductless vs central air in Ontario, price bands from five Ontario contractor pages collected September 9, 2026.

The post Ductless Mini-Split Cost in Mississauga (2026) appeared first on Aire One Heating & Cooling.

What the heat exchanger does

Inside a gas furnace, the burners heat a sealed metal chamber called the heat exchanger. Exhaust gases stay inside it and leave through the vent pipe. House air is blown over the outside of it and comes out of your vents warm. Years of heating and cooling make the metal expand and contract, and over time that can crack it. Overheating from a clogged filter or poor airflow speeds this up.

Signs a heat exchanger may be cracked

None of these prove a crack on its own. Each is a reason for a technician to inspect it:

• A carbon monoxide alarm going off.
• Headaches, tiredness or nausea that ease when you leave the house.
• Soot around the burners or the cabinet.
• A yellow, lazy or wavering flame, especially one that moves when the blower starts.
• Rust or corrosion on the heat exchanger or vent.
• A smell of exhaust from the vents.

If anyone feels unwell or an alarm sounds, get everyone outside and call 911 from outside. Do not investigate first. Our furnace carbon monoxide guide explains the symptoms and Ontario’s alarm rules.

How a technician confirms it

A TSSA certified technician uses several checks:

• Inspects the heat exchanger visually, often with a camera.
• Watches the flame as the blower starts.
• Measures carbon monoxide in the flue gas with a combustion analyser.
• Tests for spillage at the vent.

Ask to see the photo or the reading. You are entitled to know what was found.

Red tags in Ontario

Ontario’s gas safety rules let technicians tag an appliance that is unsafe. Enercare describes the two common types as follows:

Do not turn the gas back on or remove a tag yourself. You may ask another licensed contractor for a second opinion before you replace the furnace.

Repair or replace?

Heat exchanger cracks are hard to repair safely. In most cases the choice is between:

• Replacing the heat exchanger under warranty. This makes sense on a younger furnace where the part is covered and the rest of the system is sound. Labour is usually extra unless your installer’s labour warranty covers it.
• Replacing the furnace. This is the usual answer on an older furnace, or when the part is not covered.

On Carrier furnaces, the heat exchanger warranty is lifetime if the furnace was registered within 90 days of installation, and 20 years if it was not. Our furnace warranty guide explains how to check.

If replacement is the answer, our new furnace cost guide shows 2026 Mississauga prices. The furnaces page covers buying, financing and renting.

How to lower the risk

• Change the filter regularly so the heat exchanger does not overheat.
• Book a yearly inspection that includes a combustion test.
• Keep a working carbon monoxide alarm on every storey.

Talk to us

If your furnace has been tagged, or you want a heat exchanger inspection, book furnace repair in Mississauga. We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

What happens if a furnace heat exchanger is cracked?

A crack can let combustion gases, including carbon monoxide, mix with the air blown through your home. In Ontario a technician will tag the furnace, and the gas may be shut off until it is repaired or replaced.

Can you run a furnace with a cracked heat exchanger?

No. Do not run it, and do not turn the gas back on if it has been shut off or tagged. Have it inspected and repaired or replaced by a licensed contractor.

What are the signs of a cracked heat exchanger?

A carbon monoxide alarm, symptoms that ease when you leave home, soot, a yellow or wavering flame, rust on the heat exchanger, or an exhaust smell. A technician has to confirm the crack.

Is a cracked heat exchanger covered by warranty?

Often, yes. On Carrier furnaces the heat exchanger is covered for life if the furnace was registered within 90 days of installation, or 20 years if not. Labour may not be included.

What is the difference between a Type A and Type B red tag?

Type A is for an immediate danger and the gas is shut off right away. Type B is for a problem that is not immediately dangerous; you get a set time to fix it before the gas is turned off.

Sources and references

• Enercare, What should you do when your gas appliance is red-tagged?, Type A and Type B tags, read October 26, 2026.
• TSSA, Be in the Know about CO: Take Action. Think Safe..
• Health Canada, Carbon monoxide: Symptoms of exposure.
• Carrier Canada, Warranty and registration, as summarized in our furnace warranty guide (verified August 27, 2026).

The post Cracked Heat Exchanger: Signs, Safety and Repair vs Replace in Ontario appeared first on Aire One Heating & Cooling.

What short cycling looks like

In cold weather, a furnace that is sized and working properly runs in fairly long stretches. Short cycling is different:

• The burners light and the furnace shuts off again within a few minutes, over and over.
• Or the burners light and go out within seconds.

You may notice:

• Rooms that never quite reach the set temperature.
• The blower starting and stopping often.
• A higher gas bill.

Common causes

Safe checks before you call

1. Replace the filter. This fixes a large share of short cycling calls.
2. Open supply registers and return grilles that are closed or blocked by furniture.
3. Look at the outside pipes of a high-efficiency furnace. They are two white plastic pipes through the wall. Clear snow or leaves by hand only.
4. Check the thermostat. Fresh batteries, set to Heat, and nothing warm right next to it.

Do not open the burner compartment, bypass a safety switch or reset the furnace over and over. A safety switch that keeps tripping is telling you something is wrong.

Why it is worth fixing

Every start puts wear on the igniter, the control board and the blower motor. A furnace that short cycles also spends more of its time in the least efficient part of its run. If an oversized furnace is the cause, the honest fix is a correctly sized replacement when the time comes. Our furnace size guide explains how a heat-loss calculation works.

When to call us

If a new filter and clear vents do not stop it, book furnace repair in Mississauga. A technician will check:

• The flame sensor.
• The limit and pressure switches.
• The venting.
• The drain.
• The temperature rise.

We serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

What is furnace short cycling?

Short cycling is when a furnace turns on, runs for only a few minutes or seconds, shuts off, and repeats. A healthy furnace in cold weather runs in longer stretches.

Can a dirty filter cause short cycling?

Yes. A clogged filter restricts airflow, the heat exchanger overheats, and the high-limit safety switch shuts the burners off. Replacing the filter is the first thing to try.

Why does my furnace turn on and then off after a few seconds?

The most common reason is a dirty flame sensor. The burners light, but the control cannot confirm the flame, so it shuts off the gas. A technician can clean or replace the sensor.

Can snow cause my furnace to short cycle?

Yes, on a high-efficiency furnace. If snow or ice blocks the white plastic intake or exhaust pipes outside, a pressure switch stops the burners. Clear the pipes gently by hand.

Is short cycling dangerous?

It is usually a sign that a safety switch is doing its job, but the cause can be serious, such as overheating or blocked venting. Do not bypass the switch or keep resetting the furnace; book a repair.

Sources and references

• TSSA, Be Fuels Wise: hire registered and certified professionals.
• Aire One Peel, Furnace size guide for Mississauga homes.
• Common causes as found by our TSSA certified technicians on furnace repair calls in Peel Region, October 2026.

The post Furnace Short Cycling: Causes and What to Do appeared first on Aire One Heating & Cooling.

Why the first run of the season smells

Over the summer, a thin layer of dust settles on the burners, the heat exchanger and the inside of the cabinet. The first time the burners light in the fall, that dust heats up and burns off. The air from the vents can smell dusty or slightly burnt for a short time. Opening a window and running the fan for a while helps it clear faster.

Two things make it worse:

• A filter that was not changed since spring. Dirty filters hold dust that the blower pushes past the hot parts.
• Items stored against the furnace. Boxes, laundry or paint cans close to the cabinet can heat up. Keep the area around the furnace clear.

What the smell is telling you

Carbon monoxide has no smell

The burnt dust smell is harmless. The dangerous gas from a furnace has no smell at all. Carbon monoxide cannot be detected by your nose, so a furnace that smells fine is not proof that it is safe.

Since January 1, 2026, Ontario requires a carbon monoxide alarm on every storey of a home with a fuel-burning appliance, and next to each sleeping area. If an alarm sounds, get everyone outside and call 911 from outside. Our guide to furnace carbon monoxide in Ontario explains the symptoms and the alarm rules.

Before you switch the heat on for the season

• Put in a new filter.
• Clear anything stored within a metre of the furnace.
• Test your carbon monoxide alarms.
• Make sure the outside intake and exhaust pipes on a high-efficiency furnace are not blocked.
• Book the yearly inspection if it has been more than a year.

When to call us

If a smell does not fade after the first day, or it is electrical, chemical or exhaust-like, switch the furnace off and book furnace repair in Mississauga. Our technicians are TSSA certified and serve Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton. Call 905-564-8545.

Frequently asked questions

Is it normal for a furnace to smell like burning when first turned on?

Yes, a dusty burning smell the first time the furnace runs after summer is normal. Dust on the burners and heat exchanger burns off and the smell usually fades within the first few heating cycles.

How long should the burning smell last?

Usually no more than the first few cycles, often less than an hour of running. If it is still there the next day, switch the furnace off, change the filter and book a service visit.

What does a gas leak smell like?

Natural gas has an added odour that smells like rotten eggs or sulphur. If you smell it, leave the home without using phones, switches or appliances, and call Enbridge Gas at 1-866-763-5427 or 911 from a safe distance.

Can a dirty furnace filter cause a burning smell?

Yes. A clogged filter traps dust that can be pushed over hot parts, and it makes the furnace run hotter. Replacing the filter often clears the smell.

Can I smell carbon monoxide from my furnace?

No. Carbon monoxide has no smell or colour. Only a working carbon monoxide alarm can warn you, which is why Ontario requires one on every storey.

Sources and references

• Enbridge Gas, Safety (what to do if you smell gas; Ontario gas leak line 1-866-763-5427), read October 26, 2026.
• TSSA, Changes to Ontario Fire Code: New Requirements for CO Alarms, read September 3, 2026.
• Health Canada, Carbon monoxide: Overview.
• Aire One Peel, Furnace carbon monoxide in Ontario, and fall start-up service calls by our technicians in Peel Region.

The post Burning Smell When You First Turn On Your Furnace: Normal or Not? appeared first on Aire One Heating & Cooling.

Protection Plans · Mississauga and Peel Region · Updated October 2026

Is a Furnace or AC Protection Plan Worth It in Ontario?

A protection plan is a yearly maintenance visit plus a capped repair allowance, paid monthly. Whether it pays off depends mostly on one question: is your installer's labour warranty still running?

TSSA-Registered Fuels Contractor Carrier Factory Authorized Dealer Plans from $10.99/month, no term 4.9 stars from 690+ Google reviews

By Mario Vaghei, General Manager, Aire One Peel Heating & Cooling · Published October 20, 2026 · Facts verified October 20, 2026

This page is for Mississauga and Peel Region homeowners deciding whether to pay monthly for a furnace or air conditioner plan. It covers what a plan includes and leaves out, how it compares with a warranty or a savings fund, the yearly arithmetic for each of our plans, and what to ask before you sign.

On this page

What a plan covers · Plan, warranty or repair fund · The math · When it pays · Before you sign · FAQ

Short answer

A protection plan is usually worth it on a furnace or air conditioner you own once the installer's labour warranty has ended, typically after the first year or two, and while the system is still worth repairing. It is weakest on a brand-new system: you are mostly paying for the yearly maintenance visit. If your equipment is rented, read the rental agreement first, because covered repairs, and in most plans annual maintenance, are normally already included.

What a protection plan covers, and what it doesn't

A protection plan is a service agreement paid monthly. Most combine two things: one maintenance visit a year, and an allowance for repairs up to a yearly limit. Our own plans follow that structure:

Heating-only or cooling-only plan	Bronze	Silver	Gold
Price per month	$10.99	$19.99	$28.99
Yearly maintenance visit, with a safety check for gas and carbon monoxide	Included	Included	Included
Parts and labour on repairs, per year	Not included	Up to $750	Up to $1,000
Deductible	Not applicable	None	None
Aire One installed accessories (thermostats, condensate pumps)	Covered	Not listed	Covered
Furnace filters and humidifier pads	Regular price	Regular price	25 per cent off, or free delivery
Term	No term	No term	No term

Source: Aire One Peel protection plans, read October 20, 2026. Prices are plus applicable taxes and some conditions apply. Combined heating and cooling plans start at $19.99 a month, and the combined Gold plan covers up to $1,500 a year across the furnace and the air conditioner.

Three things a plan is not:

• Not unlimited. Repair cover stops at the yearly limit. A major component plus several hours of labour can go past $750.
• Not a manufacturer's warranty. The manufacturer supplies defective parts for a set period; the plan is a separate agreement with the company that services your system. Our furnace warranty guide explains how the two fit together.
• Not free of exclusions. Exclusions, limits and any fees are in the written agreement. Read it before you enrol; the questions further down show what to look for.

Protection plan, warranty or your own repair fund?

A furnace or air conditioner you own usually comes with two kinds of cover, written by two different companies. A plan and a savings fund are the two ways to cover what is left.

	Manufacturer's parts warranty	Installer's labour warranty	Protection plan	Your own repair fund
Who gives it	The equipment maker	The company that installed it	The company that services it	You
What it pays for	Replacement parts	The technician's time to fit covered parts	A yearly visit, plus repairs up to a yearly limit	Anything you choose
How long	Typically 5 to 10 years	Typically 1 to 2 years	Month to month (ours: no term)	As long as you keep it
Cost	Included with the equipment	Included in the installation	A monthly fee	What you set aside
The catch	Parts only; labour is billed	Ends early	Capped, and builds no savings	One early, large repair can empty it

Warranty terms vary by brand and contract; our HVAC labour warranty guide sets out what is typical in Ontario and what to get in writing.

The gap that matters is the years between the end of the labour warranty and the end of the parts warranty. With 10 years on parts and 1 year on labour, that gap is nine years: the part arrives free, the technician's time does not. A plan's repair allowance is built for exactly that gap.

The math: what a year of each plan costs

Plan	Per month	Per year, before tax	Repair cover per year
Bronze, heating or cooling	$10.99	$131.88	None (maintenance only)
Silver, heating or cooling	$19.99	$239.88	Up to $750
Gold, heating or cooling	$28.99	$347.88	Up to $1,000
Gold, heating and cooling	$46.99	$563.88	Up to $1,500 across both

Four comparisons decide most cases:

1. Bronze or a single visit. Bronze heating costs $131.88 a year. Ask for the price of a single furnace maintenance visit. If it is more than $131.88 before tax, Bronze is the cheaper way to get a yearly inspection, before any repair cover is counted.
2. Silver or Bronze. The step up is $9 a month, or $108 a year, and it buys parts and labour on repairs up to $750 a year with no deductible. One covered repair costing more than $108 in a year pays for the difference. One detail to check: the Silver listing does not include the cover for Aire One installed accessories that Bronze and Gold list.
3. Gold or Silver. Another $9 a month raises the limit from $750 to $1,000, adds cover for Aire One installed accessories, and takes 25 per cent off filters and humidifier pads, or gives free delivery.
4. One combined plan or two. Gold heating and Gold cooling bought separately cost $57.98 a month. The combined Gold plan is $46.99, which is $131.88 less a year, with one $1,500 yearly limit shared by both systems instead of $1,000 on each.

Plan or repair fund? Putting $28.99 a month into savings instead of Gold leaves $347.88 after one year. If nothing breaks, the fund comes out ahead by whatever is left after you pay for the yearly maintenance visit yourself. If a large repair comes early, Gold's $1,000 limit covers far more than one year of savings. A plan wins in bad years; a fund wins in quiet ones.

When a plan pays, and when it doesn't

The age of the system decides more than the price of the plan. A gas furnace in Ontario typically lasts 15 to 20 years, so the warranty position moves through four stages:

Age of the system	Warranty position	What usually makes sense
Years 1 to 2	Parts and labour usually both covered	Bronze, or book the yearly visit on its own. Repair cover adds little while the installer's labour warranty runs.
Years 3 to 10	Parts often still covered (typically 5 to 10 years, depending on brand and registration); labour usually not	The strongest case for Silver or Gold: the allowance pays the labour the warranty doesn't.
Years 10 to 15	Parts warranty often over	The plan still pays parts and labour up to its limit, which can cover many smaller repairs. A major part can go past the limit.
15 years and older	No warranty left	Every large repair becomes a repair-or-replace decision. Get a replacement quote next to the repair quote.

Whichever you choose, keep the yearly visit. TSSA, Ontario's fuel-safety regulator, advises: "Have all fuel-burning appliances inspected annually through the services of a TSSA-registered fuel contractor." The invoice from that visit is also the service record that warranty claims can ask for. What the visit covers is in our furnace maintenance guide.

If your furnace or air conditioner is rented, a separate plan is rarely needed: under most rental agreements the provider is responsible for covered repairs during the term. Our rent or buy guide lists what to check in a rental contract.

Seven questions to ask before you sign any plan

1. What is the yearly repair limit, and is it per system or shared between the furnace and the air conditioner?
2. Is there a deductible, a diagnostic fee or a dispatch fee on each call?
3. Are evening, weekend and holiday visits included, and at what rate?
4. What is excluded? Ask specifically about refrigerant, ductwork, problems that existed before you joined, and damage from a neglected filter.
5. Will the plan accept your system at its age and brand, and is there an inspection before cover starts?
6. How do you cancel, and what happens to the plan if you sell the house?
7. What will it cost after the first year?

Two Ontario rules on your side. Most agreements for a product or service that costs more than $50 must be in writing. And if you sign a contract in your home, you can cancel it for any reason within 10 days of receiving a written copy of the agreement.

Protection plans: frequently asked questions

What does a furnace or AC protection plan cover?

A yearly maintenance visit and, on most paid tiers, parts and labour on repairs up to a yearly limit. Every Aire One Peel plan includes the yearly visit with a safety check for gas and carbon monoxide. Silver adds up to $750 a year in parts and labour with no deductible; Gold adds up to $1,000, or $1,500 on the combined heating and cooling plan. Exclusions are set out in the written agreement.

Does a protection plan include annual furnace and AC maintenance?

Ours does, on every tier: a yearly furnace visit on a heating plan, a yearly air conditioner visit on a cooling plan, and both on a combined plan. Other companies' plans vary, so check that the visit is included rather than charged separately.

Is a protection plan worth it on a new furnace?

Usually not for the repair cover in the first year or two, when the manufacturer's parts warranty and the installer's labour warranty both apply. Bronze or a single yearly visit keeps the service record going; add repair cover when the labour warranty ends.

Is a protection plan the same as a warranty?

No. A warranty is a fixed-term promise from the manufacturer (parts) or the installer (labour), included in the price. A protection plan is a monthly service agreement: a yearly visit plus a capped repair allowance. They work together: the warranty supplies the part, and the plan can pay for the labour.

Can I cancel a protection plan?

Our plans are listed with no term; the written agreement sets out how to cancel and any fees, so read it before you enrol. In Ontario, a contract signed in your home can be cancelled for any reason within 10 days of receiving a written copy.

Compare the plans side by side on our protection plans page, or call 905-564-8545 and ask for the written agreement before you decide. If you would rather pay per visit, we will book a single maintenance visit instead. Aire One Peel is a TSSA-registered fuels contractor (FS R0076624709) serving Mississauga, Brampton, Etobicoke, Milton, Georgetown, Caledon and Bolton.

Sources and references

• Aire One Peel, Protection plans, prices, limits and inclusions as listed on October 20, 2026.
• Government of Ontario, Your rights when signing or cancelling a contract, updated April 1, 2025, read October 20, 2026.
• TSSA, Carbon Monoxide, the "Silent Killer": What Ontarians Need to Know this Winter, November 3, 2025.
• Aire One Peel, HVAC labour warranty in Ontario and Furnace warranty in Ontario: typical parts and labour terms.

The post Is a Furnace or AC Protection Plan Worth It in Ontario? appeared first on Aire One Heating & Cooling.