CULMI PCW-4W PORTABLE COIL CLEANING MACHINE (FIX STRAP)
How to Read an Inch Ruler or Tape Measure
Bob and Sparky go over how to read a measuring tape or a ruler using fractions. Bob tells about a sneaky trick to make reducing fractions easier when using a typical tape measure or ruler.
Online HVAC Training
Refrigeration and Air Conditioning -Pressure Controls
An Animation of How the Refrigeration Cycle Works, with Each Components Function
How to Find a Refrigerant Leak on an AC Unit and Fix and Charge R22
Hvac - superheat and subcooling
Wet and dry bulb explained
HVAC Training - Pressure Guages and the Pressure Temperature Chart