Furnace Repair projects
3 Easy Furnace Repairs
Keep your high-efficiency gas furnace running with these 3 easy furnace repairs (Bonus: 2 repairs that you should never attempt on your own).
Simple Furnace Fixes
If your furnace quits or breaks down try these eight simple solutions before you call for service help. You can solve the problem and avoid a…
Choosing Furnace Filters
More expensive (electrostatic) furnace filters capture smaller particles and need less changing than cheaper (pleated) and the cheapest (woven…
How to Change a Furnace Filter
Check your furnace filter monthly and change it when it's dirty. You'll get better heating in the winter and air conditioning in summer.…
Fall Furnace Maintenance Guide
Keep your furnace running efficiently and safely and prevent the hassle of breakdowns with a few simple maintenance procedures. We'll walk you…
How to Bleed a Hot Water Radiator and Clear a Steam Radiator Vent
If one radiator doesn't heat up but others do, try this one-minute fix first. It usually solves the problem.
Furnace Humidifier not Working? Replace it
If the humidifier on your furnace is not working, you can easily fix or replace it yourself. Simply follow our step-by-step photos and…
Do I Need a New Furnace?
Before you sit down with an HVAC contractor to talk about your furnace, read up on what our pros and field editors think you need to know.…
The Best Furnace Filters to Buy
A high-efficiency furnace filter can slow airflow too much, but low-efficiency filters don't filter dust very well. Get a better…
Do It Yourself Furnace Maintenance Will Save A Repair Bill
Winter’s tough enough without your furnace dying or not putting out enough heat. And when it comes to furnaces, an ounce of prevention…
How to Adjust a Mechanical Thermostat
HVAC units that cycle on and off quickly or erratically may just need minor thermostat adjustments. Check level first, then take a look at the…