ᐅ Controlled residential ventilation / DIBt-certified stove / pressure monitor
Created on: 16 Jul 2013 09:23
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PhoenixDH
Hello everyone,
we are planning to build a prefabricated house meeting the KfW 70 standard.
The house will be heated primarily with a gas/solar (water) system, partly with underfloor heating and partly with conventional radiators.
In addition, a controlled residential ventilation system with heat recovery will be integrated.
We also want to install a stove, since the heat from a stove has a different character.
I am familiar with the technical requirements from my chimney sweep.
This means the stove must be room-air independent and ideally certified by DIBt.
However, as is often the case, the stove we have chosen is room-air independent but does not have DIBt certification.
According to my information, a pressure monitor must then be installed, which shuts off the controlled ventilation system if the negative pressure becomes too high.
My question now is: what does such a pressure monitor look like and how is it installed?
Where does it measure? I assume in the room where the stove is located, but where else?
Does it measure outside? If so, how can I route the sensor outside?
Retrofitting a penetration to the outside later would be problematic due to airtightness concerns.
Can someone bring me up to date on this?
By the way: the range hood will be recirculating and can be disregarded.
Thank you very much!
we are planning to build a prefabricated house meeting the KfW 70 standard.
The house will be heated primarily with a gas/solar (water) system, partly with underfloor heating and partly with conventional radiators.
In addition, a controlled residential ventilation system with heat recovery will be integrated.
We also want to install a stove, since the heat from a stove has a different character.
I am familiar with the technical requirements from my chimney sweep.
This means the stove must be room-air independent and ideally certified by DIBt.
However, as is often the case, the stove we have chosen is room-air independent but does not have DIBt certification.
According to my information, a pressure monitor must then be installed, which shuts off the controlled ventilation system if the negative pressure becomes too high.
My question now is: what does such a pressure monitor look like and how is it installed?
Where does it measure? I assume in the room where the stove is located, but where else?
Does it measure outside? If so, how can I route the sensor outside?
Retrofitting a penetration to the outside later would be problematic due to airtightness concerns.
Can someone bring me up to date on this?
By the way: the range hood will be recirculating and can be disregarded.
Thank you very much!
PS.. if you have a proper chimney and a DIBT-certified stove, you can skip the draft monitor, as it won’t provide any benefit at all.
You only need a draft monitor if you have a controlled ventilation system with a vented kitchen hood; for recirculating hoods, it is not necessary.
You only need a draft monitor if you have a controlled ventilation system with a vented kitchen hood; for recirculating hoods, it is not necessary.
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PhoenixDH18 Oct 2013 13:41I would agree with you, but our chimney sweep does not!
He says it only has to do with the stove, not the range hood.
He says it only has to do with the stove, not the range hood.
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DerBjoern18 Oct 2013 13:47Why should you get a stove approved by the DIBT then? Some manufacturers charge up to 500 euros more for the same stove with the DIBT certificate... even though it’s the exact same stove. That extra cost seems unnecessary if you still need a pressure monitor anyway. I think I’ll contact my chimney sweep again just to be on the safe side...
PhoenixDH schrieb:
...In the past, it was just about installing the stove and that was it. In earlier times, Germany had an emperor, and energy costs relative to income and comfort needs had a significantly different scale and importance! Best regards
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nordanney18 Oct 2013 14:23Milambar schrieb:
ps.. if you have a proper chimney and a DIBT-certified stove, you can skip the air pressure monitor, as it provides absolutely no benefit.
You only need a pressure monitor if you have a controlled mechanical ventilation system with an exhaust hood; with a recirculation hood, it’s not necessary. The chimney professional sees it differently. A pressure monitor is only unnecessary if the controlled mechanical ventilation system cannot create a negative pressure greater than 8 Pa (0.03 inches water column). This is the recommendation that has been communicated to all chimney professionals nationwide. It is a recommendation, not a requirement! Unfortunately, the chimney professional has the final say.
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PhoenixDH18 Oct 2013 14:33So, does this now apply generally, both to recirculating and ducted range hoods?
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