Top 3 Signs & Symptoms of a Dirty Air FilterChanging the HVAC filter is one of the easiest things you can do to ensure your air conditioner and heating system run properly. Surprisingly, many homeowners avoid changing the filter regularly, allowing it to collect dirt, which causes problems that range from inefficient operation to system breakdown. Read on to learn about signs that a dirty air filter may be impacting your HVAC system.

Higher Energy Use

If your utility bills start spiking, and you are not changing your air filter regularly, that’s the first thing you ought to do determine if it is affecting energy usage. A dirty air filter causes the system to work harder to draw in return air, which means you’re using more energy than you need to. Change inexpensive air filters at least once a month; pleated, high-quality air filters rated 8-12 on the MERV (minimum efficiency reporting value) scale do a better job of filtering the air and can usually be changed every three months. Change the filter more often if your home is dusty or you have shedding pets.

Iced-Up Coils

A dirty air filter can impede air from the blower as it moves past the air conditioner’s evaporator coil. When this happens, condensation on the coil is not dissipated as it should be, and may freeze up. A frozen coil affects the A/C’s ability to remove heat from the air, which is how it cools the home. A frozen coil can lead to a compressor breakdown or other problems.

Inadequate Cooling and Heating

If you’re experiencing hot or cold spots in your home, a dirty air filter may be to blame. As explained above, a dirty filter causes the system to work harder to draw in air. Reduced airflow not only drives up energy bills as the HVAC system strains to do its job but also results in discomfort, as the system fails to heat or cool the home adequately.

To learn more about the impact of a dirty air filter on your home, contact Bradbury Brothers Heating & Air Conditioning. We serve The Woodlands, Conroe, Shenandoah, Tomball and the surrounding area.