"Fellnblick" country residence
House in Bergen (Upper Bavaria) with 4 separate self-contained flats, 4 to 15 users and approx. 380 m2 usable floor space.
Redeveloped in 2009 to include a solar-combined hybrid heat pump Oskar-MaxSol2 with 18kW output, oil-fuelled wall-mounted condensing boiler with 18kW output and 20 m2 flat collectors, as well as 10m2 collectors already installed. Energy consumption per annum amounts to approx. 80,000 kW/a. The solar coverage is approx. 40%.
From 0 °C the oil-fuelled boiler switches to parallel operation. The proportion of the overall energy consumption is approx. 15%.