HEAT PUMPS IN COMBINATION WITH DISTRICT HEATING INCREASES ENERGY EFFICIENCY AT HAMMARBYVERKET
” HAMMARBYVERKET, WORLD’S LARGEST HEAT PUMP SYSTEM REGENERATING LOW TEMPERA-TURE HEAT FROM WASTEWATER”
” HAMMARBYVERKET, WORLD’S LARGEST HEAT PUMP SYSTEM REGENERATING LOW TEMPERA-TURE HEAT FROM WASTEWATER”