Everything about hvac system cleaning
WG stands for H2o Gauge. WG is a component on the measurement unit for your stress of supporter and pump. IN.WG which stands for inch drinking water gauge will be the Imperial unit for pressure. By way of example, ducts are normally designed with 0.1 in.wg of tension decline for each one hundred ft of duct size.EAD stands for Exhaust Air Duct. EAD