Q: How often should I change my air filter?
A: Although many suggest intervals of 1 month, 2 months or even 6 months, there is no correct answer
Air filters must be checked on a regular basis, When dust, dirt and debris become visible it is recommended to replace the air filter
Replacing air filters often might seem expensive, however clogged air filters only reduce the performance and efficiency of your equipment
The price of replacing an air filter is almost always less than paying high utilities because of reduced efficiency
Clogged air filters can damage both furnaces and air conditioners.
Furnaces operating with clogged air filters tend to overheat, causing heat exchanger failure
Air conditioners operating with clogged air filters tend to freeze and form ice. Icing can cause damage to the evaporator if left unchecked
Below is an example of an iced evaporator
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