But you're having the underfloor heating designed for a heat pump, right?
I will discuss that with the heating engineer. Maybe it is already "coincidentally" suitable for the use of a heat pump heating system. If not, I will clarify the details with the heating engineer to make the gas heating "heat-pump-compatible."
But in my opinion, that is complete nonsense. I would raise the issue with your company immediately.
I can also stand by wrong decisions and live with them. "In the worst case," we have higher heating costs and a lower resale value of the house. I can accept that. Besides, I also consider it possible that in a few years, due to demand, there will be additional technical options to change the heating system, to heat the house and produce hot water. We are financing almost the entire construction project from our own funds, so in a few years we will also have a bit more money again to choose a more costly solution.
I have already mentioned above why I will not discuss the issue with the construction company.
How far along?
Possibly, unofficial rumor, if everything goes as planned, the house is supposed to be erected in two weeks. But that is still associated with some question marks.
First, put the stopper on the site manager/planner.
I appreciate your suggestions, your knowledge, your recommendations beyond measure. But we will not be able to accept this recommendation.
That can be doubted. "Costs certainly extra"!
Yes, of course. We will discuss that with the heating engineer and do not consider it impossible at the moment to adjust the heating accordingly. Regarding "Costs certainly extra!"—when it comes to expenses, I have been so desensitized and relaxed since the house planning that I never would have thought possible. ;-) As if there were no tomorrow. :) In my opinion, one has to become like that over the course of the building process, otherwise one goes crazy. :) When I say "one," I mainly mean myself; maybe others perceive it similarly.
It’s progressed too far for us, everything is already built and okay for us. But as far as I remember, you haven’t even started building yet, have you?
The house might possibly be erected in two weeks, assuming all wheels and involved partners mesh smoothly without disturbances or irritations.
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But regarding the heating, I don’t see it that way; I would still take care of it before it’s too late even for later!!
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We bought a turnkey prefabricated timber-frame house; however, the house supplier will subcontract some trades to local companies. We wanted it that way because we did not feel confident negotiating with individual craftsmen due to age and health reasons and also lacked the corresponding experience. I assume that I can discuss the heating details with the heating engineer and, if necessary, directly commission him for additional costs. We have planned the same approach for painter, electrical, and sanitary works. In my assessment, the house building company has no objections to this, because some things were already discussed during the selection phase, where we agreed that we could arrange certain tasks directly with the painter, electrician, and sanitary companies. A certain standard is included; other things we can additionally "purchase." For us, this is the right approach because we now have a house as a basis where we can live and dwell, and if, for example, we want wallpaper instead of the standard textured wallpaper in the rooms, we can get an offer directly from the painter. At this phase of the building project, we have better financial insights and can more easily decide how much money we can spend and how we prioritize our wishes. That was not so well founded during the selection phase or even earlier during the planning of the house.