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How Often You Should Be Changing Your Air Conditioner's Air Filter

Air Conditioning

Changing your air conditioner filter regularly and on time is one of the best things you can do to improve your home’s air quality and to lengthen the lifespan of your unit. But knowing when the best time to change the filter can be tricky, and the answer always varies depending on the size of your house, the season, and the occupants. Here’s how to gauge the best time to change your filter:

  • Use the manufacturer’s recommendation as a baseline. The type of filter you use is already specified based on the type and power of the air conditioner you have so start with their recommended timeline; most residential brands suggest changing your filter every two months. However, that number is based on a combination of factors, including environmental agency standards and internal analyses. If you notice that the filter is too dirty by the time you check it or it hardly seems used at all, shorten or lengthen the time accordingly.
  • Account for how your lifestyle impacts the unit’s use. If you don’t use the air conditioner that often, you won’t need to change the filter frequently. But if the unit is used night and day to ward off heat, you have pets, or you’re sensitive to allergens (or any combination of these factors), changing the filter more often will be better. Keep fine-tuning your schedule until its right for you.

Changing your air filter doesn’t just improve your air quality; it makes your machine run better and lowers your energy bill because the unit isn’t overworking. Try setting a reminder in your phone or mark it on your calendar, because air filters are often out of sight and out of mind.

We encourage you to contact Mid-Florida Heating and Air with any questions or air conditioning service needs you may have.

Indoor Air Quality

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