ᐅ New construction KfW 50 energy standard with air-source heat pump and hydronic fireplace
Created on: 18 Apr 2025 17:48
S
Sebastian1986
Hello everyone,
we are currently building a solid brick house with 36cm (14 inch) thick walls. The main heat source for hot water and heating will be an air-source heat pump. This will be supported by a photovoltaic system.
A fireplace is planned anyway for comfort reasons. I am now considering whether we should choose a water-bearing (hydronic) fireplace to support the air-source heat pump during winter, so that the heating element doesn’t have to run constantly.
The idea is to utilize the energy from the exhaust gases and transfer it as simply as possible to hot water/heating. Does a water-bearing fireplace make sense, or would it be more economical to use a conventional fireplace and work with storage bricks in the chimney?
Thank you for your feedback.
Best regards
we are currently building a solid brick house with 36cm (14 inch) thick walls. The main heat source for hot water and heating will be an air-source heat pump. This will be supported by a photovoltaic system.
A fireplace is planned anyway for comfort reasons. I am now considering whether we should choose a water-bearing (hydronic) fireplace to support the air-source heat pump during winter, so that the heating element doesn’t have to run constantly.
The idea is to utilize the energy from the exhaust gases and transfer it as simply as possible to hot water/heating. Does a water-bearing fireplace make sense, or would it be more economical to use a conventional fireplace and work with storage bricks in the chimney?
Thank you for your feedback.
Best regards
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