... house,household,villa. Hemetic anti-corrosion housing Water-to-air heat pump1. Heating capacity 12.50kw~32. ... Each room get cooling and heating air with connection to the inner unit.5. Less investment cost,without ... air-cooled refrigeration unit.7. Tranformer 50VA,printed circuit board, contactor,capacitor and fan motor relay are ... protection9. Fiber filter net, accoustic lining water-to-air heat pump