Troubleshooting & Repairing Furnaces

Is your furnace fan running but there's no heat? Learn what a limit switch is, where it is, and how to replace it. Simple to follow instructions.

If you wake up in a blizzard and find yourself without heat as I did this morning, there are a few things that you might want to try before you give up and call for repair. This article explores your options.

These are step by step instructions to figure out how much money you spend on heating, how much is wasted, and how much a new furnace can save on your gas bill. You'll feel more confident about choosing your new furnace and knowing what to expect from it.

Understand the proper working order of a furnace, so that you can pinpoint problems and repair them, or know what to tell the people who will. Understand what all those parts in your furnace are for.

Video and step-by-step guide to fixing your home's heating system. Here's how you can solve your own furnace trouble.

What does a flame sensor do? How can I clean a flame sensor? A dirty flame sensor can cause furnace problems, such as a furnace that won't stay on. This simple repair tip could save you $100–$150.

Cleaning your furnace fan thoroughly may not be as hard as you think. The dirt in it however may be much more than you think. See step by step, how to access, clean and re-install your blower motor and squirrel cage.

There is "To be or not to be". There is "Wherefore art thou Romeo". Then there is "How often should I replace my furnace's air filter?" While I'm not sure where Romeo is or if one should be or not, I can help with the answer to the latter.

Having a wood stove in the home has so many benefits. From lowering the electric bill to releasing stress, the wood stove should be an important consideration when considering the type of heating you would like to use for your home.

Learn the pros and cons of using an outdoor woodburner to heat your home and your water.

This article provides details on everything you want to know about your furnace's pressure switch. See how it works and determine if it's your problem as well as why it's there and how to find the correct replacement.

This article will explain how to troubleshoot your furnace when the heat stops working and you see 3 blinking lights on your furnace. There are a few ways to check and fix this problem.

Does your furnace make more noise than you care to hear? In this article, I'll help you diagnose noises common to residential furnaces. The problems are often simple and cheap to fix.

This article highlights a few of the many signs that warrant homeowners to call an air conditioning service professional.

That red light on your furnace is flashing. This article will help you understand what it's trying to tell you.

One of the simplest problems to diagnose and fix is the hot surface ignitor (or igniter). Here are easy to follow directions from an HVAC professional.