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 ...

If your air conditioner has been running for three hours and the room still feels like the inside of a pressure cooker, the AC is probably not the problem. When outdoor temperatures cross 44°C, the ...

Your AC's outdoor unit works by pushing the heat from inside your home into the outside air. On a 44-degree afternoon, that outside air is already so hot that the unit has to work significantly harder ...