Drawing single-family house opinions

  • Erstellt am 2012-07-25 11:54:16

Der Da

2012-07-25 13:13:30
  • #1
I just need to ask quickly: condensing boiler and ventilation under the roof? I assume, judging by the pictures, you are building a pitched roof with a 38-degree pitch. This will give you an attic if the floor area is similar to our plan, which in the middle is about 1.5m high. Then you still have to subtract the floorboards. Is the entire roof insulated? Or is it designed as a cold roof, meaning the insulation is in the ceiling of the upper floor? If it is a cold roof, and you have -15 degrees again in winter, it can happen that something freezes up there.
Furthermore, the installation in the attic has additional disadvantages:
- The installer will not like having to crawl around on the floor, or will have difficulty handling his equipment there.
- You might hear the system in the upper floor, unless you provide sound insulation.
- If something happens (water damage), the whole mess will run through your house from above.
- You have to go to the attic for every adjustment (winter, summer, and filter change in ventilation). Can you still do that at 70?
- As already mentioned, the system is exposed to weather, i.e. high and low temperatures.
- What we were also told: the waste heat generated cannot be used in the house. (I’m not sure if that really matters.)
- Build ceiling opening large enough so that you can get the thing down again in an emergency without having to remove the roof.
- As far as I know, a ventilation system is not exactly quiet in various operating phases. Here too, a condensate drain must be provided.
- If it is a cold roof, the ventilation ducts must be very well insulated, otherwise you will get condensate in the pipes. (I read in another forum that someone had condensate running out of the exhaust vents because the ventilation pipes up there were not insulated.)
- Where to put the hot water tank?

These are at least the infos we collected when we had the same idea. The whole project would have given us 8 sqm more living space and saved about €2000, but the risks were not worth it to us. I can’t really say whether it all really applies, I don’t know anyone who has put it under the roof. We only talked to one provider and one installer. Both were very opposed to it.

Maybe Bauexperte and €uro can say something about this :)
 

DerBjoern

2012-07-25 13:45:04
  • #2
The roof will have a 48-degree pitch. So there should be enough space in terms of height. For now, the roof will be a cold roof. But for the heating system, I would build a room on top that will be insulated. I had already considered the water damage issue. Either I let it fall under the household insurance in case of an emergency, or I have also thought about welding a sheet metal tray and placing it under the heater. I wanted to have a drain up there anyway.

The accessibility issue in old age is of course an argument. However, I will have to see whether people will still live in this house as planned. If so, quite a bit would have to be rebuilt.

With the sufficiently large roof hatch, I will definitely make that a priority.

Thanks in advance for your suggestions!
 

Der Da

2012-07-25 14:03:39
  • #3
May I ask why you want to take the risk? You have a utility room that is big enough. Ours is only 8 sqm and it houses the gas boiler, the ventilation system, a 300l tank, a water softener, washing machine, dryer, and chest freezer. It all fits in.

The dining table is separated by a wall. It's probably fun, but why not design the kitchen open? How often do you actually eat in the kitchen?

How many people are supposed to live in the house?
 

DerBjoern

2012-07-25 14:15:20
  • #4
We are concerned that the utility room will then be too small. We will not get a basement. Supplies and some other things are also supposed to be stored there. How much space do you have left after deducting heating and ventilation?

The dining table will not be separated directly. In the drawing, the kitchen table and dining table are just placed right against the wall. The kitchen is supposed to be a separate room. My wife definitely wants it that way. When we eat, the clutter usually stays on the kitchen counter until the next morning, so you don’t always have to look at it. :) We actually use the kitchen daily. We also eat there. We would initially move in as just two people. However, the house is supposed to be suitable for up to 2 children.
 

DarthVader

2012-08-04 14:35:47
  • #5
I would put the kitchen downstairs where the study is. I find that nicer.
 

DarthVader

2012-08-04 14:39:59
  • #6
Do you really want to have the storage room upstairs? Can't the shower go in there? How are you planning the house entrance from outside?
 

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