This article was inspired by a podcast episode featuring Jeremy Smith. Jeremy is a refrigeration mechanic and has contributed a lot of good material to HVAC School. You can listen to that podcast on floating suction and head HERE. Those of you who drive your own vans are probably all too familiar with the following […]

This is a business article I wrote several years ago. No hard-hitting tech tips, but I still hope you find it beneficial. “What would you do if you had a time machine.?” It’s a question that came up at least 17 times in your first week of 6th grade, answered with the typical “kill Hitler” […]

This tech tip comes from our contributor, compressor decapitator, and super tech Ulises Palacios. Many ductless systems and some high-efficiency unitary systems have electronic expansion valves. If you find one that is stuck closed, you may be able to get it open temporarily by putting a strong magnet like the one shown above on the […]