So I can assume that as soon as the air leaves the AHU supply through the building to reach the VAVs it is running through unconditioned spaces including the mechanical room and needs insulation.
The code doesn't say much just what insulation to use it's the specs here that say what the duct needs but it's a vague description. In saying that the temperature will be constant in the supply from the AHU at 12.8C when it hits the VAV with a reheat coil. My understanding is the supply from...
Hello looking for some insight on an AHU system on a commercial job and the duct insulation of the supply. The system has VAVs on the supply to heat and cool the rooms being serviced. In saying that would the main supply header coming from the AHU not need to be insulated until after the VAVs...
