When it comes to air compressors, there's so much confusion about which choice to make and how to properly set up your air system. There are plenty of options out there, but how do you know which ...

In this troubleshooting situation you have responded to a complaint that a 4-ton package unit air conditioner is not cooling. When you arrive, you find that the indoor air handler is running, the ...

Article 440 applies to electrically driven air-conditioning (A/C) and refrigeration equipment. Each equipment manufacturer has the compressor motor built to its own specifications. The motors are ...

Bob and Tim are at a job where a technician from another company could not figure out the electrical, so he just put the panel back on the electrical compartment and left the job. It is a heat pump ...

Neil Thompson has been upgrading the 289 under the hood of his '66 coupe for quite some time. Current upgrades include a chrome alternator, an Edelbrock aluminum intake topped by a Holley four-barrel ...