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

Back
28.05.2026
Global reach
500 000 units sold worldwide
19.05.2026
MIX Destratifier
Selection and Application Benefits
19.05.2026
Verified Parameters
Quality Tested in Laboratories
12.05.2026
Smart heating control
One controller, total control.
07.05.2026
Ready-Made Installation Diagrams
Download and Get to Work
05.05.2026
Air curtain
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