... such as smallto large restaurants, office building, hotel, business club, residence andapartment building, and workshops.l SmartHeatHVAC- ... requirement of low noise for intermediateequipment.l SmartHeat HVAC-intermediate heat exchangerSubstation is based upon integrated design ... are conducted for all the weldedparts of SmartHeat HVAC-intermediate heat exchanger Substation, to ensurestable and reliable ...