Climate Protection Act Schleswig-Holstein

but would that still be economical?

Solar thermal energy is practically never economical.

Hot water could be handled by a hot water heat pump. It runs most of the year on [Photovoltaik-Strom], using it much more efficiently than the instantaneous water heater.

Additionally, if the insulation really doesn't work out, a heat pump can be installed as a supplement to the fossil fuel heating. It then runs until the outside temperature drops below a certain point, after which the existing heating takes over.

I don't know how many percentage points these measures could bring.

I wouldn't start with solar thermal anymore. Everywhere it runs, [Photovoltaik] also runs. And that makes more sense for everyone.

Otherwise, the following applies: If implementation is not possible for technical or structural reasons, if the effort is disproportionate, or if there is particularly valuable building fabric to be preserved, the obligation to use may be waived.

Have you actually read my post completely?

Did you actually read my post completely?

Yes, I have already read it. My house does not have particularly worthy building fabric to preserve. And as I wrote, the term disproportionate is very vague. Is a pellet heating system costing €25k already disproportionate compared to a gas heating system costing €6k, or is it still proportionate for climate protection?

The pellet heating system would be an option

This solution would suit me best. However, the costs are enormous. There is another room between the heating system and the possible storage space. This would require a complex conveyor system. In addition, the system itself is significantly more expensive.

Hot water could be handled by a hot water heat pump. It runs most of the year on photovoltaic electricity, using it much more efficiently than the instantaneous water heater.

Besides, if the insulation really doesn’t work, you can install a heat pump as a supplement to the fossil heating system. It runs until the outside temperature drops below a certain level, then the existing heating takes over.

I don’t know how many percentage points these measures could bring.

A hot water heat pump would not be worthwhile since my hot water consumption is extremely low.

The supplemental heat pump sounds more interesting. In principle, I’m already using that in the bedroom, with the air conditioning, where I heat a bit during the transitional period. However, that definitely won’t be accepted since central solutions are always demanded. But does the supplemental heat pump provide enough temperature to operate standard radiators?