Inner Tank:Stainless Steel 304 2BOuter Tank:Stainless Steel 201Insulation layer:55mm thick high density polyurethane foam.Vacuum Tube:58-1800mm three target golden purple solar vacuum tube
Air-to-water heat pumps refer to the heat from air to water. According to the principle of vapor compression refrigeration, the refrigeration system used by air-source heat pumps involves a compressor and a condenser to absorb heat in one place and releas