As an supplier of complete solar heating and cooling systems and innovative energy storage solutions for biomass- and solar systems we offer our customers first class service.  Our core products include: Solar heating and cooling systems: Our solar heating and cooling systems are able to provide domestic hot water, to support the heating system and to cool down your house during summer Energy storage tanks: Energy storage tanks for hot and cold water up to 30.000 litres are our daily business Absorption chillers:  Our absorption chillers with cooling power up to 20 kW are able to convert hot water out of solar thermal systems or waste heat into valuable cold water