What Is a BTU? Furnace and Air Conditioner Sizes Explained

A BTU is the energy needed to raise one pound of water by one degree Fahrenheit. What BTU, tons and AFUE mean on a furnace or AC, and how the right size is chosen.

Furnace Short Cycling: Causes and What to Do

A furnace that turns on and off every few minutes is short cycling. Here are the common causes, the checks you can do safely, and when to call for repair.

What size furnace do I need for my home in Mississauga?

Furnace Sizing · Mississauga, Ontario · Updated August 2026 What Size Furnace Do I Need for My Home in Mississauga? The full sizing chart in BTU/h, what shifts your number, and why the load calculation always has the final word. TSSA-Registered Fuels Contractor FS R0076624709 Carrier Factory Authorized Dealer Free In-Home Estimates BBB Accredited Business […]

HVAC Efficiency and Insulation: Why R-60 Comes Before a New Furnace

Insulation and HVAC · Peel Region, Ontario · Updated September 2026 The furnace is sized to the house. Change the house first. What Ontario’s code asks of the envelope, where the heat actually leaves, and why the order matters. TSSA-registered fuels contractor Carrier Factory Authorized Dealer Carrier President’s Award BBB Accredited Business 24/7 Emergency Service […]