ヒートポンプ式の暖房設備だ。 シェア約20％と首位のダイキン工業を筆頭に、パナソニックや三菱電機、富士通ゼネラルなどが製品を展開して ...

a subsidiary of Japanese heating system manufacturer Daikin, has introduced a new residential air-to-water heat pump line for single-family homes. The systems use propane (R290) as the refrigerant ...