Why Your Furnace Could be Blowing Cold Air

You notice your heating system kick on and you’re anticipating a cozy 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 handful of reasons why your heating equipment could be putting off cold air. Stevenson Service Experts is here with a few of them to help you locate the problem. 

  • Thermostat 

It may feel silly, but the thermostat is where you should start. It’s the starting place for any furnace 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 really heating the air being produced, thus putting off cold air. Turning it to “auto” will make sure the heating system only blows when it’s truly heating the air to keep your home warm and comfortable. 

  • Air Filter 

Typically air filters need to be changed once a month to prevent them from getting dirty and clogged. If they aren’t swapped out often enough, the clogged air filter may obstruct airflow into your furnace. If this occurs, it can overheat your furnace, causing the system to stop heating as a safeguard. 

  • Duct Work 

If your duct work contains leaks, connection troubles, or was designed incorrectly, it could allow warm air from the heating system to escape 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 harder to keep your home comfortable. 

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

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