HVAC Troubleshooting: 5 Common Heating Problems and How to Fix Them

Your HVAC is designed to provide years of reliable heating and cooling. Regular maintenance can help to keep your system running at peak efficiency. However, a number of problems can occur that affects the operation of your unit or how much money it costs to provide the heating and cooling your family requires. Here are a few common problems and what you can do to solve them:

1. Poor Heating or Cooling Output

Poor heating or cooling output or unevenness in temperature throughout the house can be a sign of a clogged filter or wear on some of the system’s parts. Change your filter regularly and consult with an HVAC company like Cape Fear Air Conditioning & Heating Co., Inc. about keeping your system at peak operation.

2. Noisy Operation

Noisy operation is usually a sign that a moving part is loose and needs tightening. In some cases, parts require lubrication to help them move together smoothly and without excessive noise. Your HVAC contractor can help locate the source of the noise and provide a remedy.

3. Turning On and Off Erratically

A dirty filter can send allow air to back up in the system, sending incorrect signals to your unit’s controls. The switching on and off can put excessive wear on system parts, so change your filter on a regular basis. Most homeowners find that changing the filter monthly is sufficient, but you may need more frequent changes.

4. Odors Coming From the System

A number of different odor problems can occur:

  • A common problem is odor when turning the heating system on for the first time each winter. Dust may have collected on parts and in vents, which is then blown through the house. This odor will dissipate after an hour or so.
  • An electrical odor can mean that one of the parts in the electrical system is worn and ready to breakdown. Call your HVAC contractor to inspect the unit and replace the part, if necessary.
  • Musty odors can also come from your unit. This problem usually occurs when water gets into the system from a leak somewhere in your home. Try running a dehumidifier for a few hours to remove the moldy smell.

5. High Energy Bills

If your energy bills are always higher than your neighbors’ or other family members’ bills, you may have a leak in the system that is allowing cooled or warmed air to escape. Call your HVAC contractor to inspect the system thoroughly, including your ventilation ducts to find problems and do repairs that will help you to save money.

A well-functioning HVAC system can help to save you money on your heating and cooling costs, as well as provide a comfortable indoor environment for you and your family.


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