4 Most Common Furnace Problems (And How To Fix Them)

Most people think of the furnace as simply a piece of equipment that heats their home during the winter. However, the furnace is one of the most important pieces of equipment in your home. It plays a key role in keeping you and your family safe and comfortable all winter long. 

Unfortunately, like all other appliances, furnaces can occasionally experience problems. In this blog post, we’ll discuss some of the most common issues that can occur with furnaces and what you can do to troubleshoot them. 

We’ll also discuss the importance of having regular furnace maintenance performed by a qualified technician. Thanks for reading!

Common Furnace Issues (And Some Quick Solutions)

Furnace doesn’t turn on: This is one of the most common furnace problems. There are a few things you can do to troubleshoot it, including checking the furnace switch, ensuring that there’s power going to the furnace, and making sure the thermostat is set to “heat.” 

Furnace runs but doesn’t produce heat: This could be caused by several issues, including a dirty filter, a problem with the thermostat, or a malfunctioning furnace. Change the filter and ensure that all vents are open to troubleshooting this. 

Furnace overheats: There are a variety of causes for this problem, and it can range from simply needing a clean filter to needing a new blower motor. Usually, this problem should be fixed if you clean or replace the filter.

Furnace turns on, but air doesn’t come out of the vents: Several causes could be responsible for this problem, including dirty or clogged ducts, an issue with your furnace’s flue hole, or incomplete combustion. To fix this, check to ensure nothing is blocking your ducts and ensure that you have a clean flue hole.

What To Do If You Can’t Fix The Issue?

If you’re experiencing any of the problems listed above, it’s best to call a professional HVAC company for assistance. Fusion Plumbing & Air can help diagnose and repair any furnace issue, big or small. We have over 25 years of experience in the industry working in Tucson, AZ, and we’re always here to help!



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