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Another cold snap is on the way and when it does our furnaces work very hard to keep our families warm! The last thing you want when your family is expecting to come home to a nice warm house is furnace problems, so here are a couple of the common issues homeowners experience and some possible solutions to get the heart of your home working at its most efficient! 

Here are some of the most common furnace problems and how you can solve them to get the most heat out of your furnace!

Furnace only blowing cold air or not generating enough heat:

  • The air filter could be dirty. Check and change at every 1-3 months depending on the type of filter you have and how many humans and pets you have in your dwelling.

  • Air distribution could be uneven. Check to see if other vents have heat and think about partially closing some to distribute heat better

 

Furnace won't turn on / only works for certain periods of time:

  • Your air intake could be blocked by snow or other obstructions and the furnace can't get air. Go outside and check the intake pipe.

  • Your thermostat could be faulty or the schedule not set properly. Try changing the batteries as a first step.

 
 

Problems you can't fix yourself 

Your furnace is noisy:

  • There should be no squeaking or rattling! This could mean there is a clogged burner or something loose in the mechanical aspects of the furnace.

Your furnace is setting off the CO detector:

  • This dangerous situation should not be avoided! Exhaust pipes or the heat exchanger may have cracks and may be leaking dangerous gasses into your home! Do not ignore this problem and call for maintenance or inspection immediately!

If you suspect problems with your furnace or air distribution, why not have us inspect your HVAC and give you a full report on the health of your system!

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Keith Langlois

RHI | NHI

Registered Home Inspector
National Home Inspector
Licensed Electrician