Furnace Tutorials & FAQ's

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Here at PlumbersStock, you canbuy furnaces, or if you're not in the market, you can learn all about them. We have lots of great articles for learning how to troubleshoot and how to fix a furnace. We answer frequently asked questions, so be sure to read through our furnace FAQ resources before making a purchase or tackling a project.

Furnaces 101

What Is a Furnace?- this article answers the most basic questions about the most common heating solutions.
Gas vs. Electric Furnace- when choosing between a gas furnace and an electric furnace, you'll need to make many considerations. Follow this guide.
Furnace vs. Boiler- find out if your home is better suited for a furnace or boiler for a heating solution.
Furnace vs. Heat Pump- learn about heat pumps so you can know if it's a good fit for your home and climate versus the benefits a furnace offers.
Blower Motor Cost- find out how much a blower motor costs so you can figure out if you want to replace it or the whole unit.
Furnace Replacement Cost- learn how much you should expect to spend on each kind of furnace.
How Many Watts Does a Furnace Use?- learn how many watts it takes to run a furnace, gas, or electric.
1-Stage vs. 2-Stage Furnaces- before you buy a furnace, do a little bit of research on single and two-stage furnaces.
Upflow vs. Downflow Furnace- determine which configuration is the best for your home.
What Is a Furnace Filter?- learn what it does, where it is located, what it looks like when it's dirty, etc.
What Is a Limit Switch?- learn about the different types of furnace limit switches.
What Is a Pressure Switch?- learn all the basics about this important furnace component.
What Size Furnace Is Recommended?- you need to know the required BTU output before you make a purchase.

Maintenance

How to Change a Furnace Filter- learn this easy yet vital maintenance task.
How to Check a Pilot Light- if you don't know where a pilot is located or what it looks like, how will you know how to check it? Learn all about it here.
How to Clean a Furnace- cleaning your furnace can extend its life.
How to Light a Pilot Light- learn to re-light the pilot in a few easy steps.
How to Reset a Furnace- If your furnace isn't running, the fix may be as simple as resetting it. Learn how to do that here.
How to Turn Furnace Off and On- learn this easy task in a few easy steps.
Recommended MERV Rating for Furnace Filter?- learn what HVAC professionals and the EPA suggest for filtering quality.

Repairs

Can You Bypass a Flame Sensor?- you actually should not bypass a flame sensor because this is a huge safety concern, but we do teach you a few tips for getting it working again.
How to Bypass Furnace Pressure Switch- temporarilyjumpor bypass a pressure switch to help diagnose your furnace issue.
How to Replace Pressure Switch- this is an easy replacement project on an essential safety feature.
Common Furnace Noises and What They Mean- if you are hearing funny sounds, it's best not to ignore them unless you know for sure they can be ignored. Learn more here.
Furnace Pressure Switch Stuck- learn what it means for your switch to be stuck and whether or not a fix is in order.
Quiet a Noisy Furnace Blower- a noisy blower can ruin your life. Read for a number of suggested solutions.
Replace Furnace Blower Motor- if you need to change out the motor on your furnace blower, follow these easy steps.
How to Tell If a Blower Motor Is Bad- learn the bad blower motor symptoms.
How to Tell If CO Is Leaking- keep your family safe by understanding the dangers associated with gas appliances and protecting against leaks.

Installation

How to Install a Furnace in an Attic- this is a difficult install just because the attic puts a novice DIYer out of their comfort zone. Learn from our installation tips.Tutorial video is included.