Daikin Altherma high temperature air-to-water heat pump Easily replace your old heating and hot water system with our energy efficient Daikin Altherma high temperature heat pump. Contact us High-temperature Daikin Altherma heat pump Optimal comfort and plenty of hot water to use temperature up to 80°C. High temperature Daikin Altherma heat pumps are divided into the following types:Daikin Altherma R HT | Daikin Altherma 3H HT