It’s air conditioning check up time, and we’ve asked the noted manifold gauge specialist, Dr. Cool, to join us for a discussion of manifold gauge readings.

There’s a lot to be learned from the readings on those gauges when you start writing prescriptions for ailing air conditioners. Think of those gauges as a window that lets you see what’s happening inside that air conditioning system. Think of them as your eyes and your ears when you troubleshoot. True doctors of air conditioning think of them as their stethoscope.