How-to guides
Step-by-step HVAC tutorials.
Real walkthroughs you can do at home. Each one tells you what tools you need, how long it takes, and exactly when to stop and call a licensed technician.
How to Change Your Furnace Filter
Step-by-step on changing your furnace air filter. 5 minutes, $20 in parts, fixes 30% of furnace problems before they happen.
Read tutorialHow to Test Your AC Before the First Hot Day
Six checks to run on your air conditioner before summer hits. 20 minutes, free, catches problems while there's time to fix them cheaply.
Read tutorialHow to Know If Your Furnace Needs Replacing
10-minute self-assessment: age, efficiency, recurring repairs, safety signs. By the end you'll know whether to repair or replace.
Read tutorialHow to Find a TSSA-Licensed HVAC Contractor in Ontario
Five-step process to verify any Ontario HVAC contractor is properly licensed. Takes 5 minutes; protects you from liability and fraud.
Read tutorialHow to Replace Your Thermostat Batteries
When to replace thermostat batteries, what type, and what to do if the system still doesn't work after replacement.
Read tutorialHow to Estimate the Right Heat Pump Size for Your Home
Quick estimate of heat pump size (in tons or BTU) for your home. Real Manual J still required for install.
Read tutorialHow to Read Your Hydro Bill for HVAC Waste
Identify HVAC efficiency problems by reading your monthly Enbridge or Alectra bill. Costs nothing, takes 10 minutes.
Read tutorialHow to Know Your Water Heater Is About to Fail
8 signs your water heater is on borrowed time. Replace BEFORE the tank bursts and floods your basement.
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