How Often Should You Change Your AC Filter?

You should replace your air 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 suggest changing the air filter every 90 days or 3 months. That may vary 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.

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. As a general rule, it's best to replace your home's pleated air filters and heating filters every 90 days. As mentioned above, there is no set service life for an air filter, but rather requires an evaluation of many different aspects. Cats and dogs typically lose the most when winter turns to spring and summer to fall, which are key times to replace the filter.

However, these appliances are often built with smaller filters and, therefore, may need to be changed as often as a filter in a larger home. During times when you use your system frequently, you can even benefit from replacing filters every few weeks instead of every month. In Florida, you may need to change air filters more frequently due to moisture, mold, dust, and other allergens. The air cleaner and boiler filter replacement cycle is also affected by air outside and inside your home. 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. When you remove the air filter from the air handling unit, if you hold it close to a light source, you can see if the filter is dirty or clogged; if you can't see the light through the filter, it's definitely time to change it.

Someone in a 1,400 square foot home, based on size alone, would need to change filters less frequently than someone in a 3000 square foot house. It is not used to purify the air you breathe, but to protect the sensitive components of your HVAC system. But what happens if you let that time go by a little? Before we talk about WHEN the air filter should be changed, let's start with the WHY. They are inserted in a specific location inside the return air duct (usually a large pull-down ventilation in the hallway or other place in the house). In summer and winter peaks, air filters should be changed more often than necessary during the spring, fall, and milder months. One of the most important things you can do on your own to take good care of your HVAC system is to simply change your air filter on a regular basis.