How Often Should You Change Your Residential HVAC Filters?

In general, most air filter manufacturers and HVAC companies recommend changing the air filter every 90 days or 3 months. This can vary depending on location, pets, age of system & equipment.

How Often Should You Change Your Residential HVAC Filters?

In general, most air filter manufacturers and HVAC companies recommend changing the air filter every 90 days or 3 months. This can vary depending on the location of your home, the presence of pets, and the age of your system and equipment. Depending on your lifestyle and the type of oven filter you choose, you may want to switch it out more frequently. To determine how often an oven filter should be changed, a number of factors must be taken into account.

Many filter manufacturers provide guidance on how often their product should be replaced. To find out where you can buy the air filters used by your air conditioning system, visit the manufacturer's website or ask your technical expert for the size you need. Changing air filters is a quick and painless process that can be completed in less than an hour. The MERV rating is a scale that ranges from 1 to 20 and evaluates how well an air filter can remove particulates from the air.

Filters with a rating of 11 or 12 not only block pet dust and dander, but they can also block some types of viruses and microscopic fumes. As a rule, it is recommended to change the air conditioning equipment (we are talking about trap filters, air filters, oven filters, etc.) every 90 days. Air filters trap pet hair, dust, and other irritating particles so that the air conditioning system returns fresh, clean air to your home. People with allergies or respiratory conditions such as asthma and COPD may be affected by a dirty air filter as their lungs are more sensitive to dust and dirt.

Whether you're an HVAC expert or not, the only way to be 100% sure that your system is working properly is to check the filter once a month. If you're allergic, make sure to take note of how often you change your filters and always make sure you're using the right type of filter. Call the manufacturer or your favorite expert technician to find out which is the “right” air filter for your air conditioning system. Clogged filters not only have a negative impact on a home's air quality but they also force the oven to work harder to get air into the system and thus shorten its lifespan. The filters are designed to trap dust and particulates suspended in the air as the air passes through the filter and into the furnace system.

Therefore, in addition to causing breakdowns, it can also increase energy bills because the air conditioning system has to work overtime. Although it's a good rule of thumb to change your HVAC filter every 90 days, you'll need to check your air filter more often to see if it needs to be changed. People with allergies or respiratory conditions should pay special attention to their filters as their lungs are more sensitive to dust and dirt.

Lana Slonaker
Lana Slonaker

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