We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › A: During the hot summer months in particular, homeowners rely on their AC unit to stay ...

Common reasons an AC runs but doesn't cool include a clogged filter, incorrect thermostat settings, or a dirty outdoor unit. Professional help is needed for issues like refrigerant leaks, ice on the ...

Is your AC making strange noises? Learn what common sounds like whistling, rattling, gurgling, and hissing mean, simple fixes, and when to call a professional.