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Our modernizations of existing buildings are always carried out  to achieve maximum CO2 savings and a high return on investment for the building owner. We achieve attractive payback periods and enable increased revenues  through owner contracting.


Your energetic, value-optimizing refurbishment

  • Economic renovations through attractive payback periods and additional revenues through owner contracting
  • Focus on CO2 savings (= primary energy) instead of final energy consumption
  • No complex construction projects and fast processing, so as not to unnecessarily "burden" the tenants
  • Increase in value of the rental property without rent increases
  • Compliance with legal requirements



From consulting on financial support to the installation, everything from a single source

  • Replacement or bivalent supplementation of fossil heating systems with CO2-neutral primary sources
  • Holistic project development (heating capacity calculations, feasibility studies)
  • Energy concepts (thermal simulation, hydraulics) and joint evaluation
  • Implementation planning (heat source development etc.)
  • Conversion to heat pump system
  • If necessary, low-temperature convectors if underfloor heating is not available
  • Maximization of self-generated electricity
  • Extensive integration of renovation subsidy programs