Install heat pump at Praso Hotel , Ratchada 12 , Bangkok by siamgreenengineer with 140 guest room
which design heat pump and pressure hot water storage tank 2 units if use electric heater must use
6,000 w x 140 units which = 840,000 w / hour compare with heat pump only 2 units use
6,000w x 2 = 12,000w per hour this project can save expenses energy cost more = 1,100,000 baht
and use by product cold air flow to companionway elevator.