Air source heat pump can offer hot water all over the year, sanitary hot water supply can be during range 300L/h to 3000L/h. Unit can be normally running during ambient temp -5 degree C to 40 degree C. Environmental friendly refrigerant R407C, R410A and R134a are optional for our heat pump units. Heating capacity range is 40kw to 133kw. Unit with safety and reliable running features, adopting excellent quality components, prolonged unit's lifespan.