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When to Change Your Home Air Filter

How often do you change your air filter?

Do you change them every three months, or do you forget about them until you see a cloud of dust floating through the air?

Rest assured, if you fall into the latter category, you’re not alone. As warmer weather rolls in, it’s not uncommon to let things go by the wayside while having fun in the sun. Unfortunately, forgetting to change your air filter can seriously impact your HVAC system’s performance and your health. It can overheat your blower motor or freeze up your evaporator coil.

Here’s everything you need to know about when you should change your air filters:

Average Lifespan

On average, the filter inside your unit lasts approximately three months. However, this depends on a variety of things. For example, high-quality HEPA filters tend to last longer than generic air filters. In addition, HEPA filters are more durable and better equipped to catch and retain dust, dander and other airborne allergens.

Do You Have Pets?

If you have pets, you may need to change your air filter more frequently. Because pets shed, air filters that collect pet dander usually become clogged faster than in a pet-free home. Although you can’t avoid changing the filter, you can ward off more frequent air filter changes by vacuuming your home regularly and keeping your pet groomed.

Indoor Air Quality

If your indoor air quality is subpar, you’ll see the evidence in the air filter. Even the cleanest of homes can benefit from an air purifier such as an Air Scrubber by Areus. Not only does it extend the life of your air filter, but it also helps to prevent allergen-induced respiratory illnesses. If you have a central system, ask the experts from Christian Heating and Air Conditioning about installing a home air purifier system into the unit.

Things to Consider

Even though the average lifespan of an air filter is three months, you may find that you need to change yours more or less frequently. If you or one of your family members suffer from asthma, you may need to change it every six weeks. As previously mentioned, pet owners should plan on changing their air filters every two months to avoid potential issues. Finally, if you have young children, you should clean and or replacing your air filter every two to three months.

Keeping the air inside your home clean is a must. If you’d like to learn more ways you can accomplish this or have questions about you air filters, contact Christian Heating and Air Conditioning today!



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