How to Tell If Furnace Repair Is Necessary

Pacific Aire HVAC TechnicianHow dismal would it be to be in the middle of a bitter winter to have your trusty furnace conk out on you? For sure, it would be extremely inconvenient; however, if you’re like most homeowners, you realize how important your furnace is, so you keep a watchful eye on it and mind its upkeep the best way that you can to prevent a necessary furnace repair.

Even with the best care, however, the years and the usual wear and tear will take its toll on your furnace and it will need to be repaired. If furnace repair is truly in your cards, it’s best to find out before the cold seasons begin.

Warning Signs

How can you tell if furnace repair is called for? The following are some of the warning signs you need to look out for to determine if you need to call for help:

  1. My furnace makes strange noises. Your furnace may never have been whisper-quiet, but if it starts sounding like it has been possessed (banging, groaning, keening, and whining), its problems could be anything ranging from a loose belt to a busted ignition, to some other component that’s getting ready to expire.
  2. My heater doesn’t warm up as high as it used to. If you crank up your thermostat and it still doesn’t get any warmer, then there might be a problem with your thermostat, your ducts, or your pilot light.
  3. It uses up too much energy. This will be evident in your power bill. A higher than normal statement means that your furnace is performing inefficiently.
  4. My pilot light is yellow. This means that the gas combination is not in prime condition. It may also indicate problem gases like carbon monoxide. You want a blue light, which indicates a good balance of gases.
  5. It won’t start or stay on. This could mean a problem with the thermostat, the wiring, the pilot light, or a fan motor.
  6. It’s affecting the air quality of your home. If you seem to be getting sick with respiratory-related issues, your furnace may be circulating dust, mold, and other allergens throughout your home.

Of course, if there are chills everywhere, ice where there shouldn’t be any, and condensation on the inside of your windows, it’s easy to deduce that something is wrong with your furnace. Arrange to have it repaired stat.

Lifespan of Your Furnace

Keep in mind that furnaces aren’t forever. The life span of a furnace is normally just 10 to 20 years, so if yours is more than 15 years old and it has been repaired at least once in the past two years, you may want to start shopping around for a new model.


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