Everything about hvac system cleaning
WG stands for Water Gauge. WG is an element on the measurement unit with the stress of fan and pump. IN.WG which means inch water gauge could be the Imperial unit for pressure. One example is, ducts are Typically designed with 0.1 in.wg of strain loss for every one hundred ft of duct duration.PTAC stands for Packaged Terminal Air Conditioner. PTAC