Why Your Furnace Could be Blowing Cold Air

You hear your heating system kick on and you’re anticipating a comfortable blast of warm air, but instead all you feel is cool air blowing. That’s not what you want when it’s cold outside! 

There are a couple reasons why your furnace could be giving off cold air. Stevenson Service Experts is here with some of them to help you locate the issue. 

  • Thermostat 

It may feel silly, but the thermostat is the first place you should check. It’s the starting place for any furnace technician, too. Confirm the system is set to “auto as opposed to “on.” If the thermostat is set to “on” then your furnace will blow continuously, even when it is not actually heating the air coming out, thus putting off cold air. Turning it to “auto” will make sure the heating equipment only blows when it’s really heating the air to keep your home warm and comfortable. 

  • Air Filter 

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

  • Duct Work 

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

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

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