... ,energy Saving,environmental protecting Heat pump water heater is the newly-developed technology, which the heater absorbs ... the heat in the air and with some electricity to run the machine, it is just use 3/4 ... it can installed on roof and no engine room is needed. Durable:high quality compressor,super-thick anti ... as the garage,balcony,kitchen etc.All-weather use:it's not affected by the windy,rainy ...