Honest advice for a comfortable home
Practical advice from our experts on heating, cooling, air quality, and everything in between, made simple for homeowners!
Single-Stage vs Two-Stage Furnace: Which Is Right for Your Home?
Comparing single-stage and two-stage furnaces? Learn how each one works, the real differences in comfort, noise, efficiency, and cost, and how Markham Heating and Air Conditioning sizes the right furnace for your home.Shopping for a new furnace usually...
What Is a Combi Boiler? Combi Heating Systems Explained
Learn how combi boilers and combi systems heat your home and your water from one appliance, common problems and fixes, what goes into a proper installation, and the Bradford White and Navien options Markham Heating and Air Conditioning installs.What if...
Rooftop Unit Maintenance Checklist
Learn what a rooftop unit maintenance visit includes, the readings our technicians take, how often your RTU should be serviced, and how to plan for repairs and replacement with Markham Heating and Air Conditioning.Your rooftop unit is easy to forget. It...
Tank vs Tankless Water Heaters: What’s Best for Your Home?
Comparing a tank and a tankless water heater? Learn the real differences in cost, gas savings, space, maintenance, and wait times, plus the sizing and code checks Markham Heating and Air Conditioning completes before recommending either one.A new water...
Choosing a Whole-Home Humidifier for a Dry Home
Dry air, static shocks, and cracked hardwood? Learn how whole-home humidifiers work, how AprilAire bypass, fan-powered, and steam models compare, and the checks Markham Heating and Air Conditioning completes to size the right one for your home.If your...
What to Do If Your Furnace or Gas Appliance Is Red Tagged
Learn what a red tag means in Ontario, the difference between Type A and Type B violations, and the steps Markham Heating and Air Conditioning takes to get your gas appliance safe and your tag cleared. A technician just put a red tag on your furnace. Now...
Cracked Heat Exchanger: What Does It Mean?
So you scheduled regular furnace maintenance or a furnace service call because your gas furnace isn’t working right. The HVAC technician shakes his head and tells you that you have a cracked heat exchanger. What does that even mean?Before you schedule a...
Comprehensive Furnace Maintenance Checklist: 20 Things Markham Heating and Air Conditioning will Check
Learn what a furnace tune-up includes with Markham Heating and Air Conditioning, why annual maintenance matters, and a 20 point check that keeps your furnace safe and dependable.Your furnace may be working just fine today. So, why schedule a tune-up?...