An air conditioner is great to keep you cool during warmer months. But for it to cool efficiently, you have to keep it clean. Taylor Freitas is a freelance writer and has contributed to ...

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 costs around $150 to have your central air conditioning cleaned and checked, which should be done once a year. For larger ...