Air heat pump or use gas and solar?

What does it mean not to leave it to the Heizi? If the general contractor sells it to me and installs it, then it should also work.

It doesn't look any better for the 300 either. Oh man. I haven't even looked for the vulnerabilities of the solar system from the same manufacturer yet.

First of all, it must be said that only those with problems write online. It is therefore not representative. Also, gas/solar must be well installed and adjusted.

The HB can only do the following (no matter which):

Install the heating properly, make a good basic setting, lay out the underfloor heating correctly, carry out the hydraulic balancing, and instruct you in the system so that you can make the fine adjustments yourself.

Because he cannot manage the correct adjustment of the heating curve. Only you live there and can explicitly adapt it to your needs. The standard setting 'as long as it's warm' is especially deadly for a heat pump.

By the way, the problems with the Nibe do not fall under standard maintenance.

No, there is no door at the cellar stairs on the ground floor. And apart from that, I am not aware of any special measures.

How can this even be fixed? I don't need a huge heating system just to heat a guest room and a hobby room while the temperature in the other rooms in the cellar and the hallway doesn't matter. I don't know anyone who heats their entire cellar. That's madness.

So we have a radiator in every cellar room (except the utility/technical room) (runs on gas). Of course, the workshop is not heated like the study. We didn't want a cold bridge on the pipes for the ventilation system.

I spoke today with a drilling company that carried out a deep drilling in our village a year ago. They cannot understand at all that we received the information from the GU installer that drilling may not go deeper than 30m. Regarding this, I have now called the Lower Water Authority, who immediately said that in other districts there are such restrictions, but apparently not in our district. However, that was not the final caseworker. I was asked to submit the cadastral map with our property, and then they will send me an official response. The drilling company is so confident that this will work that they will also send me an offer by tomorrow. They spoke of about 170 drilling meters if drilling down to 100m is allowed. The yield would also be sufficient for that. And then, if things don’t go completely wrong, we should be able to manage with the originally planned €15,000 drilling costs and could stick to the original plan.

The question is now being investigated as to who told the installer that drilling was only allowed to 30m depth.

Let’s hope it will turn out that way, because the geothermal heat pump is presumably undisputedly the best option.

I find it mysterious from the GU, but I'm happy for you!
Nevertheless, please read up a bit on the installation of the underfloor heating. That is really important for the efficiency.

I rather have the impression that it is due to the GU's service provider, i.e. the installer. One might have trusted his statement. But I am not 100% sure yet that it will work. However, I am optimistic. Although I am still stuck with Exot Waterkotte and the AI 1 Geo. But a geothermal heat pump with the corresponding COP is worth it to me.

I really need to read up on the design of the underfloor heating. And, above all, keep in mind how to check it in time. I think if we largely complete the execution planning on Wednesday and parts are ordered, everything must be set.