This article is a year old, and I'm recycling it because it's on my mind today. I had a fun conversation with Richard Trethewey on the podcast that has me thinking along these lines today. The link is HERE if the player isn't showing up. I have a confession to make. I'm a bit of […]

This article was submitted by Genry Garcia of Comfort Dynamics, Inc. It is the second part of his series on zonal pressure diagnostics. Thanks, Genry! In Part 1 of this series, we outlined the basic understanding of ZPD—what it means and what it does. Most importantly, we showed how an effort to simplify a fairly […]

The photo above is of a real condenser coil we cleaned just the other day. The outer fins looked OK, but dirt and lint were packed deep inside, and the head pressure and condensing temperature were sky-high. That situation illustrates that a coil can sometimes look OK at first glance but may still need to […]