Check your current filter. The easiest way to find the size you need is to look at the filter that's already inside of your ...

The air conditioner's energy efficiency rating indicates how much electricity it uses and, in turn, the environmental harm.

Clean your window AC unit about every 60 days if it's in continuous use. If the unit doesn't serve as your heater, store it ...

It's also a good idea to replace your air conditioner filter regularly. The exact frequency will depend on how much you use your AC and environmental factors, but you should aim to swap your ...

Learn More › For homeowners and renters who don’t want the bother (or expense) of installing a central air conditioning system, window air conditioners are terrific options for keeping cool in ...

HVAC mistakes are common, but they can have a lasting impact on your furnace, air conditioner, and energy bills. Faulty ...