Hello,
please share your assessment of the quotes. The offers are fairly easy to compare on paper, but I have no experience regarding the materials, optimal orientation, etc.
I will attach one quote in this post and the other in the post directly below.
The system is planned for a household of 2 people (up to 4 later) with an air-to-water heat pump, underfloor heating, and decentralized ventilation with heat recovery. The heat pump should also provide domestic hot water. The goal is to use as much self-generated energy as possible. Due to the orientation, an east-west setup is planned.
Please note that we received offers for systems of different sizes. The larger system is slightly cheaper per kWh (1220.89 compared to 1363.54). According to online research, the smaller system appears to be very well known and mature. I found less information about the larger one. However, the provider of the larger system is significantly bigger than the other. Below is the larger system.
please share your assessment of the quotes. The offers are fairly easy to compare on paper, but I have no experience regarding the materials, optimal orientation, etc.
I will attach one quote in this post and the other in the post directly below.
The system is planned for a household of 2 people (up to 4 later) with an air-to-water heat pump, underfloor heating, and decentralized ventilation with heat recovery. The heat pump should also provide domestic hot water. The goal is to use as much self-generated energy as possible. Due to the orientation, an east-west setup is planned.
Please note that we received offers for systems of different sizes. The larger system is slightly cheaper per kWh (1220.89 compared to 1363.54). According to online research, the smaller system appears to be very well known and mature. I found less information about the larger one. However, the provider of the larger system is significantly bigger than the other. Below is the larger system.
Prices are perfectly fine net. You can skip 70% soft on the east/west side. What about the garage shown there? Otherwise, fully cover where it makes sense and, of course, also supply power.
Also check if the air-to-water heat pump can be controlled effectively, as this is not necessarily the case.
Also check if the air-to-water heat pump can be controlled effectively, as this is not necessarily the case.
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boxandroof4 Sep 2019 23:56Heinz2k schrieb:
Also check if the air-to-water heat pump can be controlled effectively, as that is not necessarily the case. Nice to have, but it wouldn’t be a big issue if optimization is only done via timer control. For me, the module for smart control would cost around 200€–300€ (about 220–330 USD), which isn’t really cost-effective in my case.
What’s more important is that the heat pump can actually use the photovoltaic electricity and isn’t connected to a separate meter.
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boxandroof5 Sep 2019 09:53No, Panasonic. I have yet to experience the first photovoltaic winter; only then will I see what I might potentially lose. With the cost of the modules, I can nearly afford to heat for a whole year.
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