Bafa funding for heat pumps will be discontinued as of 31.12.2020.

Can my general contractor nevertheless simply request an offer on suspicion that BAFA then has to accept? The crux of the matter is the annual performance factor calculation without the heating load? Or is that not a problem.

Where do you have to specify/calculate the heating load? You can find annual performance factor calculators on the internet.

Where do you have to specify/calculate the heating load? You can find annual performance factor calculators on the internet.

The supply-return temperature depends on that, and thus the annual performance factor? Or just take 30°-23°? (KfW 40+ house).

But I still need an offer according to BAFA rules.

Since BAFA only wants to see that the requested funding amount matches an existing offer and otherwise does not formulate any requirements, I would say that you can simply take any random WP from the funding list. Of course, the annual performance factor depends on the specific building; but BAFA can't verify that anyway. They would have to request construction plans, etc., and even recalculate themselves. In this respect, a "quickly thrown together" offer would be sufficient, and I see no reason why BAFA should reject the application if they ask for such an offer and it is submitted.

Small update:

Vaillant offers a so-called funding service through Sunshine GmbH. We used this for the application.

They apparently always apply for funding of 50,000 EUR. I assume that BAfA does not request additional offers; otherwise, they wouldn’t do it this way.

In the worst case, if the offer is submitted later, the funding amount would simply be adjusted downwards (provided the offer < costs in the application).

This way, you secure the maximum possible funding. The maximum possible funding amount of 17,500 EUR is then approved.

They probably always do it in such a way that they apply for funding for 50,000 EUR. I assume that BAfA probably does not request offers, otherwise they wouldn't do it like that.

I cannot confirm that, at least not in my case via the funding service. In my case, the anticipated actual costs were applied for.

However, one can probably distinguish two scenarios with the funding service.

A. Commissioning by a heating specialist company

Intermediation of a specialist company, which also commissions the funding service.

B. Direct commissioning.

I cannot say anything about B, as in my case scenario A applies.

Which scenario applied to you I obviously do not know. However, if it was also scenario A, the heating specialist company could have submitted an offer of 50,000 € to the funding service, or the installer always states it that way.

I would only find it an interesting approach if the funding service always entered 50,000 € on their own initiative, since they themselves cannot then write an offer to the customer afterwards if BAFA indeed requests it. The possibility of such a request is communicated transparently.

Payout notice received! The heating system was accepted, but the entire smart home thing was not. The reason is: According to the fact sheet, this is not eligible for funding. I assume that my bus system (KNX) definitely qualifies for funding. An objection with all justifications and examples, instructions, etc. was sent today. Looking forward to seeing what happens.