TUCSON, Arizona - A new textbook is available from Technical Training Associates. HVACR Troubleshooting Fundamentals: Refrigeration & Air Flow Systems is designed to provide a fundamental ...

In this troubleshooting situation we have a customer who reports that when they turned on their nine-year-old electric furnace at the beginning of the heating season, they considered that the run ...

CHICAGO (CBS) -- As the temperatures continue to plummet, you may think you're taking the right steps to keep your home warm, but experts say common heating practices may do more harm than good.