21.01.2026
How to modernize a heating system effectively?
Small buildings, big challenge: how to modernize a heating system effectively?
HEATER CONDENS water unit heaters are designed specifically for projects like these:
- - Low supply temperatures – energy savings when used with heat pumps and condensing boilers
- - Intelligent power modulation – EC motors adjust output to actual heating demand
- - Compatibility with all heat sources – from heat pumps and condensing boilers to traditional coal-fired boilers
- - Fast and easy installation – simple wall or ceiling mounting
- - Wide output range – 10–120 kW for precise sizing across different building volumes
- - Mobile app control – remote temperature control and adjustment via smartphone
Want to find out which model is right for your project?
- Use our selection app:
SONNIGER - Selection Software










