When to Change Your Air Filter (and How to Choose the Right One)
by Becca Lewis from Lifehacker on (#5X3FH)
Changing the air filters in your HVAC system regularly is important not only for the air quality in your home, but also for saving money on your energy bill, as well as maintenance costs down the road on your system. A worn-out or clogged filter makes the fans in your circulation system work overtime to push air...