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Heating & Air News

How Often Should I Change My Air Filters?

Posted by Howell's Heating & Air on August 25, 2016

Temperatures in Richmond will soon be dropping. For most of us, our air conditioners and heat pumps are grateful for the break. They worked over time this summer - intaking air and disbursing colder air. All that air has to pass through out air filters which by now have had time to accumulate dust, pollen, mold and other particles from your home’s air. 

Dirty Air FilterWhile it's great that these allergens & pollutants have been blocked before they've had a chance to recirculate in your home, all that build up on the filter can block the the flow of air through your HVAC system, causing undo strain, resulting in a less efficient system.

Dirty Filters Increase Operating Costs

Clogged filters severely limit air flow, which can cause the compressor to run continuously or overheat your heat exchanger. Dirty filters could cause a 20% or more increase in operating costs. That translates to higher energy bills.

air filter reminder calendarImprove Air Flow Throughout Your Home

How do you insure your heating and cooling system is circulating air freely throughout your home? One of the first things you should do is change that dirty air filter. This significant step is an important one in helping you maintain the life of your HVAC system.

When's The Best Time to Change My Filters?

While changing filters at the start or end of every season is a good guide, it's also a good idea to inspect filters each month.Every home and HVAC system is different. For most households, changing filters every 30-60 days is recommended

Change Filters More Frequently If You Have Pets or Allergies


If you have allergies or pets, you may need to change your air filters more often. Nasal allergies affect about 50 million people in the United States, and as many as 3 in 10 people with allergies have allergic reactions to cats and dogs. A quality air filter can help reduce these contaminants, however pet hair (even short hair),can clog filters faster.  

It's important to note that not all HVAC systems use the same type of air filter, but if you change it as directed, your home air quality is improved and you’ll reduce strain on your heating and cooling system.

While you're in the process of replacing your filters, it's also a great idea to check your outdoor unit, just to be sure that it's free of debris to ensure uninterrupted movement of air.

The best way to ensure optimal performance of your HVAC unit is to have knowledgeable AC repair experts in the Richmond area at your speed dial. What's more, Howell's Heating & Air can also help you by rendering high-quality AC installation and repair in Ashland, so don't hesitate to reach out to us for all your HVAC needs. 

Want to learn more tips to help extend the life of your HVAC system? Check out our FREE eBook: 

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Topics: energy efficiency, hvac tips, indoor air quality, Simple HVAC Improvements, air filters, Heating and Cooling Tips

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