Biesenthal, Private House

  • Upgrade from the old gas boiler to the SolvisMax Gas system.
  • The volume of the storage tank: 650 l.
  • Solar collectors SolvisFera F-552, 2 pcs. 11 m2.
  • Solar collectors integration into the roof.
  • Gas consumption before the upgrade: 1400 m3 annually.
  • Gas consumption after the upgrade: 663 m3 annually.

Fuel savings: 53%.
Forecast savings for 20 years with 10% annual tariff growth: 25.000 €.

Schauenburg-Martinhagen, Private House

  • Upgrade from the old oil boiler to the SolvisMax with pellet boiler SolvisLino.
  • The volume of the storage tank: 650 l.
  • Vacuum solar collectors SolvisLuna, 4 pcs., 48 tubes.
  • Installation of the solar collectors: East-West.
  • Diesel consumption before the upgrade: 1500 l annually*.
  • Pellet consumption after the upgrade: 2000 kg annually.
  • * (1 l of a diesel in energy intensity corresponds to 2 kg of pellets).

Heating costs reduction: 67%.
Fuel savings: 34%
Forecast savings for 20 years with 10% annual tariff growth: 35.000 €.


Rietberg, Private House

  • New building, installed heating system:
  • SolvisMax Oil + wood burning stove.
  • The volume of the storage tank: 650 l.
  • Solar collectors: compact SolvisCala, 5 pcs., 12 m2.
  • Diesel consumption: 430 l annually.
  • Wood consumption: 2 m3 annually.

Karlsfeld, Private House

  • Upgrade from the old gas boiler to the SolvisMax Pur, Gas system.
  • The volume of the storage tank: 350 l.
  • Solar collectors can be installed later.
  • Gas consumption before the upgrade: 2573 m3 annually.
  • Gas consumption after the upgrade: 1151 m3 annually.

Fuel savings: 55%.
Forecast savings for 20 years with 10% annual tariff growth: 49.000 €.