A combined solar systems can contribute to solar heating of both hot water and heating.
Solar transferred to the accumulator tank through a heat exchanger located in the tank bottom. Hot water in the tank can be circulated to radiators for heating and exchanged for hot water in heat exchangers.
Tank top part can be heated with a boiler or elpatron to ensure that heat and hot water always available. Tank capacity can vary between about 300 and about 2 000 liters, depending on available space and how the house and other heating system is designed. Often solfångarytan around 7.5 to 12.5 m2.