Air Filters: How To Change HVAC Filters

Air Filters: How To Change HVAC Filters

Many people do not know when to change their air filters and many more do not know how to change their air filters. If you are one of those people don’t worry. The Air Doctor has the answers!

Why Should I Change My Air Filters?

The return filters help keep dust, dirt, and other particles in the air out of the HVAC unit and from cycling back into the air. A clogged filter cannot pull in air like it should causing your unit to work harder.

When Should I Change My Filters?

It is typically recommended to change your return filters every month. The Air Doctor suggests at least checking the filters monthly to see if they need changing. Depending on the filter type and environment, some people will need to change their filters more or less often than others.

How Do I Know If My Filters Need Changing?

There are two easy ways to know if your air filters need changing. First, look at the return grill covering the filter to see if it is dusty. Second, look at the filter. If the filter is covered in dust and dirt and you cannot see through it, then it’s time for a new filter.

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Where Are My Returns?

Some homes have more than one return and they are usually located in the ceiling or walls. They may look like a variation of these.

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How Do I Change My Air Filters?

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Arrow points away from you.
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Here you can see the filter size.
  1. Locate the return(s). Make sure the unit is off. Use a screwdriver to turn the screws and open the return grill.
  2. Note the filter(s) size written on the filter. Also, note what the filter looks like. Take a picture and take it with you to purchase your filter(s) Some are pleated, some are not.  Call The Air Doctor if you cannot find your size and type. We may have to order your filters for you.
  3. Open the door while the unit is off and insert the new filter. Make sure the arrow is pointing towards the ductwork and not at yourself. Air flows into the return grill not out. Secure the door by turning the screws and you are done!
  4. If you are unsure, call The Air Doctor and we will be glad to change the filters for you. 252-215-0966

I Don’t See Hinged Returns In My Home. Where Are My Filters?

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Forced air systems have filters in the central unit. Filters can be in your air handler, heat pump, or furnace.

  1. Turn off the unit.
  2. Open the panel, typically at the bottom of the air handler. You will see the filter. Note the size and type. If you cannot purchase the correct filter, please call The Air Doctor. We can order the correct size.
  3. Pull it out and replace it with a new one. Note to point the arrow up towards the air handler.
  4. Close the panel and turn the unit on.

If you have questions or concerns about your HVAC System please call our office at 252-215-0966. Make sure to follow us on Facebook for more information, tips, and more.

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