Here's something you may not have thought about before: how do you test the efficacy of an air conditioner? Air conditioners are surprisingly complex pieces of technology, as they need to carefully ...

In this video, learn how to refill your car or truck’s A/C system with refrigerant, specifically R134a, the most common ...

Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...

The Super Manifold gauge set comes with inter-changeable temperature scales that enable the technician to be prepared for a range of refrigerants using only one manifold, says the company. Two-or four ...