30 kW boiler for wood chips, pellets etc. 20 feet high cube container Combi plant Lillienlund horticulture Ulbjerg district heating Steen Larsen HKRST 20 Max VVS 10 Foot Container Karsten Thomsen Risgaarden Løntvej Gørlev school Skanderup school HKRST 30 kW with FSK 500