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How Often Do You Change Your Filters? A Question From Mercersburg

The core component of any good air quality system in your Mercersburg home is the filter. A good air filter removes almost all of the particles that inundate your home every day – from the pet dander that flakes off of your cats or dogs to the pollen released by plants both indoors and out.

But many homeowners are not aware of when they should change the filters in their air quality system. They know it should be done regularly, but how often and when do you ignore the manufacturer’s recommendation to ensure higher quality air?

Know Your Home

The first thing to consider is the size of your home and what types of contaminants you must deal with each day.  If you don’t have any pets and don’t keep any plants inside, your biggest air quality issue is likely dust, and dust will only fill up the filters quickly if you have a large family.

However, if you have a lot of pets, multiple plants and a large family, the odds are that your filter is being put through the ringer every day – asked to filter out a tremendous number of contaminants. This is when you might need to change the filter in your air cleaner or other HVAC equipment more often.

Changing Your Filter

If you have a high quality HEPA filter, it’ll probably work for as long as it’s rated. Only lower quality filters or those not large enough for the space in which they are installed will fail early. However, keep in mind that a HEPA filter, even when it can last longer, should always be changed no later than the manufacturer’s recommended date.

For most homes that timeframe is about 6 months. However, some higher quality filters can last as long as 12 or even 18 months in the right conditions.

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20 Hump Rd, Hagerstown, MD 21740

Phone: (301) 733-5428 | Fax: (301) 733-4376

905 W. 7th Street #206, Frederick, MD 21701

Phone: 301-799-2931

Serving Washington County, Frederick County, MD; Franklin County, PA, Berkley County, WV

MD Lic. HVAC #9368 • MD Lic. Plumber/Natural Gas Fitter #16532 • Electrical Lic. EC #10962

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