One of the cheapest things you can do to maintain your home A/C system is to change out the filters, as dirty filters can release dirt and pollutants into your home that can damage your health and equipment. Asking yourself, “When should I change my AC filter?” will depend on several factors about the environment that your A/C system is servicing.
Type of Filter
The quality of filter you use will significantly impact how often you need to change the filter. As a general rule of thumb with standard 1″ to 3″ air filters, you should change them out approximately every one or two months. However, if you are more sensitive to dust or have allergies, you may want to upgrade to a high quality filter that usually lasts longer (these have a higher upfront cost).
Overall Air Quality
The lower the air quality in the home, the more often you’ll need to change out your A/C filter since it will be picking up more debris and pollutants in the air. This can be influenced by many geographical factors, such as if you live near warm, dusty climates or by high levels of air pollutants (from factories and other industrial sites). Likewise, the amount of smoking, mold, or moisture deposits can decrease the air quality in the home and, correspondingly, the life of your A/C filter.
Occupancy of the Home
The number of people and pets living in the home will also impact the life of the air filter. Pet dander and hair can quickly block up your AC filter. In general, the more traffic there is in your home, by pets or people, the more often you should change your filter. Vacation homes that are hardly used other than the summer can last up to a year before needing to be changed.
If you want to contact a HVAC service to replace your filter, TalkLocal can connect you directly to a high quality local business in minutes!
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