Why Is My Heating System Blowing Cold Air?

November 21, 2019

As the cold season approaches, more of us will be turning up the heat in our homes. The last thing you want to experience is a cool breeze coming from your home’s heating system when you want to warm up. We’ve put together the following suggestions to help you in the event your heating system blows cool air.

Your Filter May Be Clogged

You should ideally change your air filter every one to three months. If it has been a while and your HVAC system is blowing cold air when you are attempting to warm up, a clogged or dirty filter may be the culprit. Simply replace your old filter with a new one after double-checking to ensure you have the right size.

Your Pilot Light Went Out

Older furnaces have a pilot light that must be lit manually. If your home has an older furnace, consult the owner’s manual and determine whether you can safely access the pilot light and light it. DIY furnace repair and maintenance can be extremely risky. Therefore, you should consult one of our licensed HVAC technicians at Southern Comfort Mechanical in Lewisville, TX, if you are uncertain of how to light your pilot light. We offer the following services for your heating and cooling systems:

  • Annual inspections
  • Routine maintenance
  • Emergency repair
  • Equipment replacement

Your Flame Sensor is Dirty

Your furnace’s flame sensor determines whether the air is blowing hot or cold and helps heat air as it moves through the ducts. If your flame sensor is dirty, the air may briefly remain warm when you turn your heater on. Do not attempt to clean the sensor yourself. Give us a call to inspect the issue and clean your sensor professionally.

Professional HVAC Service in Lewisville

With more than 13 years in business, our technicians are qualified to service all makes and brands of heating and cooling systems. We’re always prepared to help. We stock our trucks with all the necessary tools and parts. Call Southern Comfort Mechanical today to make an appointment.

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