Why Is My Heater Blowing Cold Air?

November 11, 2022 12:00 am Published by Leave your thoughts

The last thing you want when you’re trying to stay warm in the winter is for your heater to blow out cold air. Thus, this problem needs to end for you immediately. These are some questions regarding cold air coming from heaters and a few solutions you can use if you’re experiencing the issue.

Why Is My Home Heater Blowing Cold Air?

You could be having issues with your hot air not blowing for many reasons. These are some of the top reasons for those issues: 

Wrong Thermostat Setting

One common reason for a lack of hot air is an improperly set thermostat. This issue is the easiest to fix, as you may only need to turn the thermostat’s settings up to get the heat you desire. Before you do anything else, check the temperature you have selected on your thermostat.

You will also need to ensure that you set your thermostat to the "auto" position. If you don’t put it on auto, you may experience a blowout from the fan even when your unit is off. If you set the unit to auto, the fan will come on with the furnace simultaneously, which is the most beneficial situation. 

Your Air Filter Is Dirty

Air filters are maintenance items that need changing at least once a year. They can accumulate an overwhelming amount of dirt and dust if you don’t change them. Additionally, dirty filters can cause air not to flow correctly and birth mechanical shortcomings. Thus, you may want to check to see if your system needs a new filter and get one as fast as you can. 

Your Pilot Is Out

Most modern systems don’t have a pilot light, but you might have an old-school unit. Check to see if your system has a pilot and light it the moment you discover it. To light your pilot, you will need to grab a match or lighter and set it off. 

Why Is My Furnace Blowing Cold Air?

Sometimes, a furnace blowing cold air indicates that your heater got too hot and overloaded. You may still have a chance to fix it, however. Check the air filter and air ducts for issues. Look to see if there is a clogged condensate line, and run some tests with your thermostat to ensure that it is not the problem.

Don’t give up hope if all else fails. There may be an issue with another component, but it isn’t that easy to pinpoint. Don’t be too proud or shy to involve a third party if you can’t get your heater to blow hot air. 

How Do I Get Hot Air To Blow Again?

Those are the most recurrent home heater issues. However, your problem could have a different cause. You can schedule an appointment with a reliable HVAC provider like Daily Heating & Air Conditioning if you need help with your system. A provider can visit your home or office and assist with getting the hot air going for you again. 

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