x-change® aqua eco
Domestic water heat pump - hot water, naturally efficient.

The x-change aqua eco domestic water heat pump with natural refrigerant uses room air, outside air or extract air from the residental ventilation system to heat the domestic water to up to 65 °C in heat pump mode. The temperature ranges between - 7 and 43 °C.
The integrated heat exchanger, screw-in heating element and defrost function ensure efficient operation all year round. The control system with smart grid and photovoltaic input offers many uses. The low noise emissions combined with easy maintenance and attractive design result in a very good overall package.
Available to order from 01.07.2025
x-change aqua eco

Features
- High Efficiency: High efficiency A+ with sustainable refrigerant R290 and up to 65 °C domestic hot water temperature in heat pump mode
- Flexibility: Two sizes of storage tanks (185 l / 270 l including internal heat exchanger) for extract, recirculate and outdoor air operation
- Control: Functional control with smart grid and photovoltaic input
- Operation: Year-round operation thanks to defrost function with application range from -7 °C to 43 °C and integrated auxiliary heating (2.2 kW) with minimal noise emission
- Maintenance: Easy maintenance thanks to integrated external current anode

Hot water or domestic hot water heat pumps heat drinking water. They score points for environmental friendliness, low costs, easy installation and the possibility of being combined with solar energy. They are suitable for energy-efficient homes as well as older buildings and are easy to install and maintain.

x-change aqua eco L
Domestic hot water heat pumps | |
DHW heating efficiency class | A+ |
Compressor rated output (kW) | 1,2 |
COP A20 | 3,91 / W10-53 |
Height / diameter (mm) | 1730 / 595 |
Weighting (kg) | 90 |

x-change aqua eco XL
Domestic hot water heat pumps | |
DHW heating efficiency class | A+ |
Compressor rated output (kW) | 1,5 |
COP A20 | 3,47 / W10-53 |
Height / diameter (mm) | 1895 / 695 |
Weighting (kg) | 137 |
Documents
Customer service
Heat pump
- Contact customer service
- +49 9931 501 12004
- kundendienst.waermepumpe@kermi.de