I got a lot of comments that many of you discharge run capacitors with a voltmeter. I test this method vs. the capacitor discharge tool I created. Obviously, many of you use needle nose pliers or a screwdriver. While this is widely practiced, it could result in an arc, shock, or damage to the capacitor. […]

Graphic Courtesy of Danfoss On 8/8/17,  the United States court of appeals struck down an EPA phaseout of HFC refrigerants under the Clean Air Act on the basis that the Clean Air Act only gave the EPA the right to regulate ozone-depleting substances. However, many of us figured that the decision was likely to be […]

DISCLAIMER: HVAC School is NOT an official OSHA safety training resource! Although we provide safety tips in good faith, our website is not a substitute for safety training from an authorized OSHA training source. Although we primarily work with our hands, our eyes are one of our most valuable assets in the industry. After all, […]