Why Your Furnace Could be Blowing Cold Air

You listen to your furnace kick on and you’re expecting a cozy blast of warm air, but instead all you get is cool air blowing. That’s not preferable in freezing temperatures! 

There are a few reasons why your furnace could be putting off cold air. Stevenson Service Experts is here with some of them to help you detect the problem. 

  • Thermostat 

It could feel silly, but the thermostat is the first thing you want to look at. It’s the starting point for any heating technician, too. Make sure the system is set to “auto instead of “on.” If the thermostat is set to “on” then your heating system will blow constantly, even when it isn’t heating the air being produced, thus blasting cold air. Changing it to “auto” will make sure the heating system only blows when it’s really heating the air to keep your home warm and cozy. 

  • Air Filter 

The majority of air filters need to be changed once a month to keep them from growing dirty and clogged. If air filters aren’t swapped out often enough, the soiled air filter may obstruct airflow into your heating equipment. If this happens, it can overheat your equipment, causing the system to stop heating as a safety precaution. 

  • Duct Work 

If your duct work has leaks, connection troubles, or was not designed correctly, it could allow warm air from the heating equipment to leak out. This would not only cause your heating equipment to blow cold air, it could actually run up your heating bills since your furnace is heating non-living space, and will have to work overtime to keep your home at the desired temperature. 

There are multiple other reasons that your heating equipment could blow cold air. Call Stevenson Service Experts today and we’ll send a professional to diagnose your problem and get your home warm and comfortable again in no time. If you have yet to turn on your furnace but don’t want to get left in the cold, give us a call about our fall promotion and learn how you can save money on a fall tune-up. 

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