Additional positions in house construction: are they useful and reasonably priced?

  • Erstellt am 2022-11-03 22:00:02

hanse987

2022-11-06 11:52:31
  • #1


Is this actually the only encouragement in the electrical trade? As a rule, the descriptions of the construction services are at the lower limit of the normal range of equipment. For example, few sockets, no network, ...
 

DominicHannove

2022-11-06 11:56:44
  • #2



No. This is just what we would already agree on with the general contractor.

There is actually quite a lot included (e.g. about 50 sockets) but to a certain extent we still have to upgrade the electrical work a bit. For example, more sockets, spots, lights with motion detectors on the stair steps, spots in the eaves, etc.

But we wanted to upgrade that directly with the specialist trade and not through the general contractor.
 

DominicHannove

2022-11-06 12:00:17
  • #3
Is 17,300€ really cheap for a central ventilation system? It's about a Zehnder system. To me, with 162m2 living space without a basement, it really seems expensive... The start of construction is March 2023. Unfortunately, we are not receiving any subsidies. The tiny thing we have to achieve is energy efficiency class A, because we got a interest deduction on financing for that.
 

DominicHannove

2022-11-06 12:03:53
  • #4
Which trade is actually responsible for the decentralized and centralized ventilation system? If applicable, I might save money and not commission the system through the main contractor but directly through the trade... then I would certainly save 20% surcharge from the main contractor.
 

Pacmansh

2022-11-06 14:49:55
  • #5

We have the same size also without a basement. In the construction specification, there is a central exhaust system with supply air via window frame ventilators. The surcharge for a central controlled residential ventilation would have been €21,000. We then decided against it. On the one hand because it was too expensive for us and on the other hand because I did not trust the planners involved to implement the system sensibly. But ventilation is included anyway.
 

WilderSueden

2022-11-06 16:27:23
  • #6
I wouldn't do that because it leads to dependencies in different trades. It has to be properly planned and coordinated and is not something to just "quickly do on the side." If the centralized is too expensive for you, then just take the decentralized. Although the latter can also be retrofitted, it is significantly less effort to build in ventilation bricks instead of core drilling, and if the electrician lays the cables right away. Honestly, I wouldn't take something without heat recovery, better save on the spots instead.
 

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