The hvac system working principle Diaries
WG means H2o Gauge. WG is part on the measurement unit to the stress of lover and pump. IN.WG which stands for inch h2o gauge would be the Imperial unit for force. By way of example, ducts are Generally designed with 0.1 in.wg of pressure reduction per 100 ft of duct size.Its counterpart, damp bulb temperature is an additional metric utilized to fi