The ground source heat pump is connected to an optional low temperature distribution system. e.g. radiators, convectors or under floor heating. It is also prepared for connection to several different products and accessories, e.g. hot water heater, ventilation recovery, pool, free cooling and heating systems with different temperatures. NIBE FIGHTER 1150 is equipped with a control computer for many options, e.g. good comfort, good economy and safe operation. NIBE FIGHTER 1150 is constructed on a robust frame with durable panels and effective soundproofing for the best possible comfort.