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Top 10 Most Common Furnace Problems

With the onset of cold weather, it might be time for you to crank up the heating. Whether you’re in a commercial or residential space, it’s important to make sure you’re aware of some of the common warning signs of furnace issues so you can take proactive measures.

Here are 10 of the most common furnace problems that you might encounter this winter. 

  1. Dirty filters: An improperly cleaned filter can cause your furnace to work harder, which in turn can lead to high energy costs or unnecessary furnace damage due to overwork.
  2. Pilot or Electric Ignition Issues: An improperly functioning ignition or pilot can reduce the amount of heat that gets into your space.
  3. Lack of Maintenance: Foregoing regular maintenance can lead to things like cracked heat exchangers which turn into costly expenses.
  4. Faulty thermostat: A malfunctioning thermostat can cause issues with temperature tracking as well as issues with the fan.
  5. Frequent Cycling: If there is frequent cycling between on and off modes, this may be indicative of a malfunctioning thermostat or clogged filter.
  6. Blower Belt Issues: A slipped or frayed blower belt might be indicated by a high-pitched squeal, another issue that can be tackled through regular maintenance.
  7. Blower Running: If the blower is continuously running, this might indicate issues with the limit switch, in which case professional replacement is needed.
  8. Loud Noises: It is abnormal for a furnace to loudly emit noises such as squeaking, rattling, or grinding. If this is happening, it is likely a sign of an internal mechanical problem.
  9. Furnace Isn’t Heating: If your furnace is not heating at all, this might indicate an issue with the thermostat setting, pilot light, or gas.
  10. Yellow or Flickering Pilot Light: If your pilot light is yellow or flickering, this might indicate excess carbon monoxide if your furnace is gas.  

If you are experiencing any of these issues, then it’s time to get your furnace checked out by a professional. It is important, however, to make sure you choose the right furnace repair service. Make sure you do your research, ask for referrals, and thoroughly check out any company before you bring them into your home. Going for a budget repair service can sometimes end up costing you more in the long-run, so make sure you’re hiring trained technicians for your furnace repairs.

At NW HVAC, our highly skilled professionals can provide expert repair services to your furnace. We offer quick, quality repairs from highly trained specialists, and reasonable rates to make sure your furnace is in functioning without breaking the bank. Contact us today and our staff will answer any questions you might have and help you schedule a furnace inspection.  

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