Why Your Furnace Could be Blowing Cold Air

You listen to your heating system start up and you’re anticipating a comfy blast of warm air, but instead all you have is cool air blowing. That’s no good in freezing temperatures! 

There are a handful of reasons why your heating system could be putting off cold air. Stevenson Service Experts is here with a couple of them to help you locate the culprit. 

  • Thermostat 

It may seem silly, but the thermostat is the first thing you want to look at. It’s the first place any heating system technician will check, too. Confirm the system is set to “auto as opposed to “on.” If the thermostat is set to “on” then your HVAC system will blow continuously, even when it isn’t heating the air coming out, thus blasting cold air. Flipping it to “auto” will make sure the heating equipment only blows when it’s actually heating the air to keep your home warm and comfy. 

  • Air Filter 

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

  • Duct Work 

If your duct work has leaks, connection issues, or was designed incorrectly, it could let warm air from the heating system to escape out. This would not only cause your heating equipment to give off cold air, it could seriously run up your energy bills since your heating system is heating non-living space, and will have to work harder to keep your home warm. 

There are several other reasons that your heating system could produce cold air. Call Stevenson Service Experts today and we’ll send a technician to diagnose your problem and get your home warm and comfy 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 find out how you can save money on a heating tune-up. 

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