... for family,villa,apartment,high-floor residence,business restaurant,hotel and multi-floor living building in country and village.Commercial Series Air Source Heat Pump ... water and heating.Such as hotel,factory,school,hospital,military,villa,village etc.Commercial Series Air Source Heat Pump-Circulation HeatingHigh ... environment temperature range-15 to 43°C-15 to 43°C-15 to 43°C-15 to 43°CUse water ...