Heating and cooling system for passive buildings based on heat and cold storage

摘要

A heating and cooling system for a building comprises a heat storage tank 4 and a cold storage tank 5. The system may include a heat pump 10. Heat may be supplied to the heat storage tank from solar means 8 or from warm ambient air and to the cold storage tank from cold ambient air. The storage tanks may be located above or below the ground. The system may recover heat from exhaust air and may also comprise means for domestic hot water preparation 9.