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
28.07.2023
The SONNIGER company once again supported the Złombol team!
14.07.2023
Great news for all lovers of innovative solutions!
We would like to present to you a new air curtain - SONNIGER GUARD ONE!
07.07.2023
Many people associate air curtains with protection against heat loss in service, production or storage facilities during the winter - and rightly so!
06.04.2023
May Easter be an opportunity for you to stop for a moment and reflect on your life
and what is most important to you.
29.03.2023
Satisfied customers, visitors from around the world, and new business opportunities!
This is how we could summarize the ISH fair in Frankfurt, which ended on March 17th.
13.03.2023
At the stroke of 8:00 am, we officially started the ISH Fair in Frankfurt.
Visit us at stand G81 in hall 8!
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