Solar heat pump - Flamingohuset

This paper includes the results of measurements of a new modern low energy house which is heated with a solar heat pump system. The house construction is based on a build system where the outer wall consists of expanded polystyrene blocks that are filled with concrete and covered with plaster. The house has been completed in 2008/09, and inhabited by a family of two adults and two children. The house is heated by a solar heat pump system denoted as "serial". The heat pump extracts heat from the ground and supplies heat for space heating and domestic hot water. The solar thermal system heats a hot water storage and excess solar heat is transmitted to the ground. Additional sustainable installations are included in the house like mechanical ventilation with heat recovery, energy efficient lighting system, solar cell on the roof and a rain water system. The energy consumption is measured during the last four years. There has been an extensive monitoring program where significant energy flow and temperatures are monitored. The system has been operating since 2009 and adjusted and improved so today the performance corresponds to the expectation. The yearly system performance factor SPF (SHP+) has been monitored to 2.79 in 2012. The actual space heating consumption is larger than the estimated, but the indoor climate has been good. The PV system and the rain water system correspond to the expectation. The rainwater system has reduced the water consumption by 50 %. (C) 2014 The Authors. Published by Elsevier Ltd.