Our pantry gets warm from the refrigerator despite having an air gap of about 5 cm. What can we put on the outside of the pantry wall to insulate as best as possible? It might need to be a maximum of about 1 cm thick as we want to keep the air gap.
 
A
W weberduo said:
Our pantry gets warm from the refrigerator even though we have an air gap of about 5 cm. What can we put on the outside of the pantry wall to insulate as well as possible? It should perhaps be max about 1 cm thick as we want to keep the air gap.
The insulation will only make the pantry warm up more slowly, not remain cold. So either you need to introduce cooling in the pantry or remove heat from the fridge so that the heat doesn't want to migrate into the pantry.
 
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RoAd and 1 other
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Düsseldorff
The problem is that the pantry is adjacent to a heat source. It's not optimal. What are the possibilities for cooling the pantry? Is there, for example, a cool basement below?
 
Düsseldorff
An exterior wall can also be useful for a vent. The outside temperature is significantly lower than the inside temperature most days in our country.
 
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BirgitS
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The pantry is against an outer wall and has a vent at the bottom and one at the top, with small openings on each shelf. The fridge is quite free-standing, with no cabinet above and just a floor cabinet and a small tall cabinet with space in between, on the other side. We are considering getting a fan for one of the vents.
 
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There are probably, as mentioned, other solutions than insulation, but the answer to the insulation question is probably a thin PIR board.
 
PIR board sounds good, is there any thinner than 20 mm?

What do you think about this:
Ebisol 6 mm has the same insulation power as a whole 100 mm brick wall or 360 mm concrete.
 
or ensure to increase the air circulation in the air gap between the fridge and the pantry. a fan instead of insulation.
 
Should the fan be placed above the air gap and extract the warm air since it is such a narrow space? Are there silent fans? We really don't want more noise in the kitchen.
 
T
W weberduo said:
Should the fan be placed above the air gap to extract the warm air due to the narrow space? Are there silent fans? We really do not want more noise in the kitchen.
You could look at computer fans that can move a fair amount of air without making much noise. Powered by 5 or 12 volts. It might be difficult to know how to mount it, but it depends a bit on the setup. It might not need to push the air outside, just away from the gap and into the room. Very cheap as well.

Then there are tangential/cross-flow fans that could be mounted above the gap and extract air; it's a bit unclear how to divert the air if it can't just be sent into the room. However, there will be flow :)
The advantage of these is that they move a lot of air and are quiet. They might be a bit expensive, but there are both 12v and 240v variants if my Google skills aren't completely lacking.
 
W weberduo said:
Ebisol 6 mm has the same insulating power as a whole 100 mm brick wall or 360 mm concrete.
That sounds like a lot, but it's roughly in the same class as regular mineral wool.
 
Good tips on swordsmen!

So could you have only 6 mm mineral wool and get the same insulation?

Cellplast, 10 mm, 0.038 thermal conductivity?
 
10 mm is incredibly thin insulation compared to what is normally used in houses today. But if there are only thin wooden walls, it makes a little difference anyway. In old completely uninsulated summer cottages, it happened that ½" treetex was used as insulation on the inside of the walls.

What direction is the outer wall facing? It is quite warm outside now, so you shouldn't expect miracles. If you invest in fans, it might be worthwhile to have them thermostat-controlled so that the fan doesn't run when it's warmer outside than in the pantry.
 
I have roughly the same problem, I can't remove heat from behind the fridge. So the fridge needs to work quite a lot. I was thinking of investing in a fan, but it's not easy to find the right model. I have computer fans lying around, maybe I can modify one.
 
Vacuum insulation is the most effective in terms of insulation thickness/insulation value.
 
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