You should replace your air conditioner filter approximately every 90 days, if you don't have allergies, but AC professionals generally recommend every 45 days for maximum efficiency. Be sure to replace them with the correct size and type of air filter. If your air conditioner is working properly, you can remove the filter and buy one that is identical to it. In general, most air filter manufacturers and HVAC companies recommend changing the air filter every 90 days or 3 months.
That may change depending on the location of your home (e.g. EJ. dry and dusty climates), if you have pets and the age of your system and equipment. If you have pets in the house, you should consider changing the filter every 60 days or 2 months, and for households with multiple pets or people with allergies or respiratory conditions, we recommend changing the filter every 20 to 45 days.
Vacation homes or vacant homes that don't have much use can usually wait to change filters every 9-12 months. The general consensus is that the more you use your home, the more you need to change the air filter. The only way to ensure how often you need to change your air filter is to perform a visual inspection of the filter every month. After a few months, you'll get an idea of how quickly it gets dirty. You will need to re-evaluate if you have a new pet or if the outdoor air quality has been poor. A general rule of thumb for pleated air filters (such as those manufactured by FilterBuy) is to replace the filter every 90 days.
As the filter traps more dirt, dust and allergens from the air, the efficiency of the filter decreases. Find out below if you should replace the filter more often. How often you need to change your air filters depends on how often you use your home. For a little-used vacation home, you could get away with changing filters once a year. However, for a typical suburban home, you'll probably want to change filters at least every 90 days.
But that time frame changes depending on the additional circumstances listed below. After a period of smoky days with poor outdoor air quality, inspect the air filter to see if it needs to be replaced. If you have questions about replacing your air filter, or if you need any air conditioning or heating services, Energy Air can help. Cats and dogs typically lose the most when winter turns to spring and summer to fall, which are key times to replace the filter. How often you change your home's HVAC air filter depends on how long the filter is expected to last and the different qualities in your home that affect the filter. But how often do you really need to change the air filter in your HVAC system? Learn four factors that affect how often you should replace the air filter in your air conditioner. One of the most common questions Florida homeowners have about their home's air conditioning system is how often they should replace the air filter in their air conditioner.
If the dirty air filter is completely covered with dust and dirt, it is a good idea to change the filter even if it has not reached the end of its recommended life. It's important to note that there are high-efficiency filters that are designed to filter out small bacterial, mold, and fungal particles, but your standard MERV 8-11 filters will simply block out larger particles of dust, dirt & hair. A single person without pets will have to replace their air filters much less frequently than a household with children and multiple pets. If there is a visible layer of dirt that covers most of the filter surface and that is thick enough to hide the filter material itself, it is a sign that the filter has been in the HVAC system for too long. As a general rule, it's a good idea to replace the air filter in your HVAC system every month. During times when you use your system frequently, you can even benefit from replacing filters every few weeks instead of every month.
Consider the factors discussed above to determine a replacement program and decide what type and quality of filter you should use.