Furnaces
Lennox ML196 vs ML296: Single-Stage or Two-Stage Furnace?
Both Lennox Merit furnaces are 96% AFUE. The ML296 adds two-stage heat and a variable-speed blower for $550 more. Here's how to choose.
Furnaces Guides
Straight answers on furnaces, water heaters, water treatment and indoor air quality, written by the team that installs them. Real installed prices, plain-English comparisons and what to ask before you buy.
Furnaces
How to Check Your HVAC Contractor Is TSSA-Registered in Ontario
Before anyone works on your gas furnace or water heater, check the company on TSSA's public registry and ask for the technician's certificate detai...
Furnaces
What a Red Tag on Your Furnace or Water Heater Means in Ontario
A red tag means a gas appliance was found unsafe or out of code. Learn the two levels Enbridge Gas uses, what never to do, and how to get the probl...
Furnaces
Furnace Replacement Cost in the GTA & Ontario (2026)
A new 96% AFUE Lennox gas furnace costs $4,945 to $7,145 installed across the GTA and Southern Ontario, before HST. Here's what's included, what ca...
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