Maintaining your furnace can go a long way in the months in between furnace service appointments. One of the easiest, and crucial, ways to maintain your furnace lies in switching out your furnace filter. Having a clogged air filter may contribute to a host of unfavorable problems for your heating and cooling system, its efficiency, and ultimately, how much your energy costs are each month.
So what goes in to consideration when you should change your furnace filter?
- Type of filter: the two most common filter sizes are 1 inch and 3 inch filters. 1 inch filters typically need to be replaced every month and 3 inch filters ought to be replaced every three months, dependent on the recommendations of the filter maker.
- Home habits: if you have pets in your home, it could make sense to change your filter more often as a result of pet dander. If you have someone in the house that deals with allergies or asthma, contemplate switching out your home’s air filter more frequently to help ease their symptoms.
Now you’re possibly wondering how to change your furnace filter. Inevitably this will differ depending on what furnace you have, but normally:
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- Open or pull off the air filter panel close to the bottom of your furnace to reveal an open compartment.
- On the top of that open compartment is where you’ll see your furnace filter resting on two metal supports.
- There will be a small amount of space to move your filter back and forth that allows you to pull down one end of the filter and remove it from the compartment.
- When adding the new filter, check the perimeter of the filter for an arrow that indicates the air flow direction, to make sure you’re installing the filter in the proper direction. In nearly all cases, the arrow should point towards the main part (or top) of the furnace.