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The HVAC system keeps your home warm during the winter and cool in the summer. Regularly changing the air filter is critical for its long life.

 

Why Do It?

The air filter keeps pollution and debris out of your HVAC system, ensuring proper and efficient operation. A dirty filter will slow down the air flow, making both the furnace work harder to heat your home and your AC work harder to cool it. This wastes energy and can result in higher energy bills.

How Often?

According to Energystar.gov, the filters on your home system likely need to be changed either once a month or once every three months, depending on the type you’re using. You should check the product information on the filters for the manufacturer’s suggested frequency of change.

Depending on where you live, the time of year, and how much you’re using your AC or furnace, you may end up having to change your air filter more frequently. For instance, during a steamy summer when you’re running your system constantly, you may end up having to change the filter more often than if the weather is nice and you’re relying on open windows.


 How to Do It:

Follow these steps to change your air filters.

 Buy a new filter.

Before you buy a new air filter, check your owner’s manual to identify the right number or size (it should also be printed on the side of your existing air filter). You should be able to get a replacement filter at a hardware store, or some department stores sell them.

 Turn off the unit.

Be sure to turn off your HVAC unit before attempting to change the filter, for your own safety. If you can’t figure out how to turn off the unit itself, you should turn off the breaker.

 Remove the old filter.

Most air filters are located on the right side of the unit. The filter should easily pull out of its slot in the furnace. It’s not common, but sometimes filters are found in air vents in your home. If that is the case, you will likely need to contact a professional to change the filter.

 Insert new filter

Simply slide the new filter into place. There are arrows on the new filter to indicate which side should be facing the outside air.

Remove the old air filter and slide the new filter into place

Changing your  air filter should be simple, but if you are unsure, you can always call a professional.