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Fixing a Pressure Sensor Switch in a Furnace

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


How Often Should I Change My Furnace's Air Filter?

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.


Everything You Need to Know About a Furnace Pressure Switch

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.


How to Diagnose Furnace Problems & Why the Red Light Is Blinking

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


Troubleshooting Common Furnace Problems With an HVAC Expert

Here's how you can solve your own furnace trouble through this video and step-by-step guide.


How to Replace the Fan Limit Switch in a Furnace

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


Furnace Won't Light? How to Replace a Furnace Ignitor

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.


How to Quiet a Noisy Furnace

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


How to Figure Out What Is Wrong With Your Furnace

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.


How to Clean Your Furnace Fan (With Pictures)

Cleaning your furnace fan thoroughly is not as hard as you think. That said, if cleaned correctly, you might find that it's even dirtier than you think. See step by step, how to access, clean, and re-install your blower motor and squirrel cage.


Is a New Furnace Worth It? Cost/Savings Analysis

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.


How to Clean a Furnace Flame Sensor

Furnace won't turn off? Other furnace problems? A dirty flame sensor can cause furnace problems. This simple repair tip could save you $100–$150.


My Wood Stove: Why I Need and Love It

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.


Coleman Furnace Troubleshooting (With Photos)

This article explores your options when you experience a failing hot-air furnace. Learn how to troubleshoot before calling for expensive repairs.


The Basics of Using an Outdoor Wood Burner to Heat Your Home

Interested in using an outdoor wood burner? Learn the pros and cons of using an outdoor wood burner to heat your home and water.


How to Start a Coal Stove Fire

Starting a coal stove is nothing like starting a wood or pellet stove fire. Not even close. In this article, I explain one method that has worked for me and two methods that haven't worked.