Beer walk in not working
Service call on a Beer walk i not working, when I arrived the unit had a blown fuse and i…
Leak free systems w/ bill johnson
Bill Johnson is one of the great educators and writers of our time in HVAC/R and he shares about his…
When dew and bubble isn’t enough – refrigerant glide mid point / average saturation temperature
High glide refrigerants (Zeotropic) cannot be charged and diagnosed like typical R22 or R410 (Near Azeotropic). In addition to De…
Electrical circuits class
This class recording discusses transformers, ground, common, and line vs. load sides of a circuit. Read all the tech tips,…
Furnaces – introduction and history w/ jim bergmann
Jim takes us all the way through the history of furnaces from the stone ages when he was a child…
Electrical basics, how and why electrons move
Where does electricity come from and why do electrons move? In this epsiode we talk about differential charges, sine waves…