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Why Is My Furnace Blowing Cold Air?

December 20, 2021 | Blog

During the cold months, homeowners rely heavily on their furnaces to keep their homes warm and comfortable. However, some homeowners may be shocked when they find their furnace blowing cold air. 

At Tim’s Air Conditioning, we know how frustrating a malfunctioning furnace can be. When your heater is on the fritz, remember to contact the HVAC company with the best Lafayette heating services

Causes of Cool Air Output

The first step to fixing a problem is to figure out what’s causing it to happen. When a furnace produces cool air, some homeowners may assume their entire system is busted. This isn’t always the case. You may not need a heater repair depending on why your furnace is blowing out cold air. 

Dirty Air Filter

If your air filter has become clogged with dust, dirt or other materials, it may be preventing the output of warm air. A dirty air filter can force your system to work harder, which can put a strain on its internal parts. In some cases, the air may come out cold or not at all. Replacing this filter is the best way to solve this problem. 

Malfunctioning Thermostat

The thermostat is responsible for sending signals to the system to blow out warm air to reach a certain temperature. If the thermostat isn’t working as it should, the air may come out cold. This can be fixed with a simple thermostat repair or replacement. 

Control Panel Issues

Something as simple as a problem with your electrical control panel may be causing your furnace to blow out cool air. If turning it off and on again doesn’t solve the problem, don’t attempt any further troubleshooting methods, as electrical work is dangerous for those who aren’t professionals. 

When Should You Call a Professional?

You should call an HVAC professional when the safe troubleshooting methods don’t work. If you suspect the issue has something to do with the pilot light or electrical panel (beyond turning it off and on again), then it’s time to step back and let a pro take over. 

Furnaces are complex systems. If you aren’t an HVAC technician, it can be easy to damage the unit or harm yourself. In severe cases, you may “fix” the issue incorrectly and cause a fire or other serious outcomes. 

However, issues that are best left to professionals don’t always mean it’s a serious problem. A technician may be able to quickly resolve the issue and get your heater blowing out warm air in no time.

How Can This be Prevented?

The best way to prevent a problem like this is to schedule regular tune-ups for your furnace at least twice a year. Heater maintenance can help catch and resolve small issues before they evolve into big ones, such as the output of cold air instead of warm air. 

Tune-ups can also benefit you by:

  • Saving money on repairs
  • Saving money on energy bills
  • Extending system’s lifespan

The Pros You Can Trust

For trustworthy and effective service, the HVAC professionals at Tim’s Air Conditioning are here for you. Our furnace tune-up service includes:

  • Inspections of all internal parts
  • System calibration
  • Thorough cleanings
  • Thermostat check

We’ll ensure your heating unit is working properly before leaving. Your furnace is essential to your home’s comfort, so the job isn’t done until it’s done right. Contact us today for all your heating needs! We are also providing heating services in Alexandria on behalf of the Southern Air family!

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What Our Customers Are Saying

Pleasant and Very Knowledgeable

Everyone I dealt with for my service call was pleasant and very knowledgeable. Additionally, I appreciate their willingness to help me find the most economical solution to my situation. I signed up for their service membership and look forward to doing business with them Tim’s in the future. 👍

Damian S.

Very Professional and Friendly

My tech was awesome. Very professional and friendly. He was prompt and helpful. He found the issue quickly and offered a maintenance contract with saved me money. Please send him back to finish the job once the part is in. His professional demeanor is hard to find these days. Thanks for the quick and timely response as well as full communication during the process. Highly recommend

Tim S.

Great Communication and Awesome Service

Cody was an absolute blessing! After trying to figure out what was wrong with my unit all day, I gave Tim’s a call based on reviews. Cody did not disappoint. He was able to diagnose the problem within 10 mins and fix it soon after. Great communication and awesome service.

Kaycee M.