Having a problem with your HVAC system and dealing with unbearable hot or cool temperatures in your home can be a nightmare. When it comes to your heating or cooling system not functioning properly, most HVAC contractors will tell you that one of these five problems could be the culprit, or part of the problem. There can be hundreds of different potential problems with your system, however, these are the five most common reasons for problems with an HVAC system.

1. Thermostat Malfunctions
If you observe your HVAC system constantly cycling on and off, or that the temperature doesn’t seem to change much, no matter how high or low you set it, it could be a thermostat problem. Most HVAC contractors freely admit that this problem comprises a lot of their business. The good news is that it is generally an easy and cheap fix when compared to other problems.

2. Air Flow Problems
Air flow problems can be caused by several different issues stemming from fan motors, belts and bearings. No matter the cause, if you have an air flow problem it can cause furnace overheating or poor heating control.

3. Clogged or Dirty Filters
Having filters that are dirty or clogged can also lead to an air flow obstruction. Filters are necessary and beneficial to decrease the amount of dust, debris, and allergens in the air in your home. Most furnace filters should be changed at least every three months. Some older models may require gentle washing, instead of replacing.

4. Furnace or Heating System Pilot or Ignition Control Problems
These types of problems can cut out heat altogether, or they can cause intermittent heating throughout the home.

5. Lack of Maintenance
Just like any other important piece of equipment or electronics that you own, your HVAC system and furnace requires maintenance. Not performing routine maintenance can lead to costly and unexpected breakdowns, as well as increased energy consumption and bills.

For routine maintenance or furnace problems, call your local HVAC contractor. A professional trained contractor can diagnose the problem quickly and get your home back to a comfortable temperature, no matter the season.

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