ᐅ Experiences with a masonry heater combined with an air-to-water heat pump?

Created on: 12 Aug 2022 21:06
C
cryptoki
Hello,

we have planned a water-carrying tiled stove with thermal mass, built in the traditional way by a stove builder. The primary heat source will be an air-to-water heat pump (supported by photovoltaic panels in summer), and in winter, heating will mainly be done with wood. So far, I only know of one manufacturer that covers this application well and whose systems communicate properly with each other.

Does anyone have experience with such a combination? If possible, please mention the manufacturer. What are your experiences?

Thank you.
Steffen
M
Matthias45
18 Aug 2022 11:41
cryptoki schrieb:

Hello,

we have planned a tile stove with a water jacket and thermal mass, designed in the traditional way by a tile stove maker. The primary heat source will be an air-to-water heat pump (supported by photovoltaics in summer), and in winter, heating will mainly be provided by wood. So far, I only know of one manufacturer that effectively covers this use case and allows the systems to communicate properly.

Does anyone have such a combination in use? Please name the manufacturer if possible. What are your experiences?

Thank you.
Steffen

I have a system like this with a Dimplex heat pump and a Hark stove.
It works without any problems.
N
Neubau2022
18 Aug 2022 15:02
cryptoki schrieb:

These are worlds apart, especially when it comes to the chimney flues. The design and ease of cleaning of the heat exchanger also play a crucial role. Dirt buildup can quickly cause efficiency to plummet.

That’s exactly what happens with a chimney when 80% of your 8 kW is instantly released into the room. That means you suddenly get 6.4 kW of direct heat. Better grab the sauna towels. A ceramic stove with properly designed flues stores the generated energy and releases it over several hours. A proper ceramic stove is not refueled every 30 or 60 minutes; it burns continuously for 2 to 4 hours. The exhaust gas temperature leaving the chimney is also significantly lower.

It depends on how the fireplace is built. We also have a fireplace, but it is lined with thermal mass stones and specially constructed with heat-retaining materials so that it heats less immediately but retains warmth for longer.