5 Simple Statements About hvac system cleaning Explained
WG means Water Gauge. WG is part of the measurement unit to the strain of admirer and pump. IN.WG which stands for inch water gauge would be the Imperial unit for stress. By way of example, ducts are Typically designed with 0.one in.wg of strain decline for every one hundred ft of duct length.AHU means Air Managing Unit. AHU is a substantial-abilit