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Why You Should Change Your Furnace Filter Often

Jan 22, 2018

Changing your furnace filter seems to be an easily forgotten task. HVAC companies try their hardest to remind you to do these things, but do you know why you should change it more often than you think?



Maintenance

Getting an oil change for your car is as important as changing the furnace filter for your house. It simply extends the life of your equipment. A dirty filter means that less air is circulating, which then means that your furnace is working harder to keep your house warm. Over time, having a furnace go into overdrive for too long can overheat the system or break down the entire unit. This is not something you do want to deal with in subzero temperatures.

A little dirt can do a lot of damage. If your furnace filter is dirty, not only will it make your HVAC unit work harder, but it will also make your heating bills go up over time. All the extra effort that this heater is putting out digs a deeper hole into your wallet. While a new furnace filter might cost money, ignoring it will cost more in your gas bill, except you’re doing more damage than good by trying to be frugal.


Air Filter Quality

Skip the fancy furnace filters. A furnace filter is designed to protect your furnace, not improve indoor air quality. Some people swear by these special filters, but you’ll most likely have to run your furnace fan year-round to get the benefit of a high-efficiency filter. Extra work and extra care (replacing them often) will cost you more in the end.


There is a happy balance that you could achieve between cost and efficiency. For homeowners, we recommend purchasing a MERV 7 or 8 pleated filter, which traps 80 to 95 percent of air particles. If you are looking to get rid of pollutants and breathe cleaner air, consider getting an air cleaner instead.


When to call your HVAC technician

– Unit fails to turn back on
– Noisy or slow fan
– Bent fins
– Coils are extra dusty


Remember to change your furnace filter every month when fan is in use for heating and cooling seasons. Got more furnace questions? Call us at (763) 498-8071.

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