In this month’s troubleshooting problem, we have a customer who can only tell us that the equipment that serves their small office “isn’t working.” When you arrive, you confirm that the building ...

The compressor is the heart of any air conditioning or refrigeration system, so when it starts showing signs of not working correctly, technicians must act quickly in order to find out what is wrong.

Dear Bob: Here’s a question for you relating to getting better gas mileage. I know that, when you run your air conditioner, the compressor runs, which in turn decreases your gas mileage. But does it ...