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
22.12.2025
Happy Holidays!
From the SONNIGER Team
16.12.2025
Another successful installation!
This time at the Mercedes-Benz showroom in Gdynia!
11.12.2025
Selection app
Speed up your work.
09.12.2025
HEATER MIX Destratification Fans
Energy Savings in High-Ceiling Spaces
01.12.2025
Products available within 24 hours
Quick international shipping
27.11.2025
SONNIGER mixing chambers
Choose a solution that combines thermal comfort, fresh air supply and energy savings in a single setup.
PL|EN|FR|SE|DE|UA|LV|GR|NL|BY|KZ|CZ|SK|HU|IT|TR|
Facebook - fixYouTube - fix