Yeah? Well, how do you know? What should they be? What are the outdoor and return air temperatures? What SEER rating is the equipment?  These are the questions I ask every single time a technician says the phrase,  “But the pressures look good for [insert refrigerant of choice here].”  When they can’t answer the questions […]

I used to call PTCR devices a "Soft Start". I was wrong.

Every HVAC/R tech needs an electronic leak detector nowadays, and with HFC refrigerants getting more and more commonplace, every HVAC/R tech needs a VERY sensitive electronic leak detector. We often see three types, but let's toss out the corona discharge leak detector right off the top. It just picks up too many other types of […]