ᐅ Quiet decentralized ventilation system for new single-family home construction
Created on: 1 Mar 2015 12:48
L
Legurit
Hello everyone,
During our first consultation with a building professional for a quote, we were asked to choose a ventilation system ourselves, as we are still somewhat skeptical about the "SEVi 160" model proposed by them. Our planner recommended a Halmburger ventilation system – we definitely want to see and listen to it in person. He also mentioned BluMartin, which personally seems a bit bulky to me – and once additional rooms are connected, it starts to feel more like a “central” system again. I also find the cassette filters quite expensive at 50 € (about $55) per unit per year.
We found the videos on the Bayernlüfter website quite appealing, but we are somewhat skeptical about the maximum airflow of 20 m³ (about 710 cubic feet) per hour. We also couldn’t find any information about noise levels at different ventilation rates (which is also missing for the SEVi – but the building professional mentioned that it can be heard).
We are looking for a ventilation system that can achieve an air exchange rate of 40 m³ (about 1,400 cubic feet) per hour (approximately 1 air change per hour for our bedroom) without being audible. Does such a system exist, or does anyone have experience with the mentioned brands? Is an air exchange rate of 1 per hour even necessary for a bedroom with two occupants?
Thank you and best regards.
P.S.: I have the impression that the decentralized ventilation industry is very fragmented with many small players.
During our first consultation with a building professional for a quote, we were asked to choose a ventilation system ourselves, as we are still somewhat skeptical about the "SEVi 160" model proposed by them. Our planner recommended a Halmburger ventilation system – we definitely want to see and listen to it in person. He also mentioned BluMartin, which personally seems a bit bulky to me – and once additional rooms are connected, it starts to feel more like a “central” system again. I also find the cassette filters quite expensive at 50 € (about $55) per unit per year.
We found the videos on the Bayernlüfter website quite appealing, but we are somewhat skeptical about the maximum airflow of 20 m³ (about 710 cubic feet) per hour. We also couldn’t find any information about noise levels at different ventilation rates (which is also missing for the SEVi – but the building professional mentioned that it can be heard).
We are looking for a ventilation system that can achieve an air exchange rate of 40 m³ (about 1,400 cubic feet) per hour (approximately 1 air change per hour for our bedroom) without being audible. Does such a system exist, or does anyone have experience with the mentioned brands? Is an air exchange rate of 1 per hour even necessary for a bedroom with two occupants?
Thank you and best regards.
P.S.: I have the impression that the decentralized ventilation industry is very fragmented with many small players.
L
Lebensprojekt18 May 2015 22:39Inverter system approximately 6,500 euros, the others are similar.
D
DerBjoern19 May 2015 10:42Lebensprojekt schrieb:
That’s why I’m looking for the all-in-one solution: few wall penetrations, quiet, and ultimately efficient. Does such a thing exist? Yes, but that would be a centralized mechanical ventilation system with heat recovery.
L
Lebensprojekt19 May 2015 11:02Ok, we didn’t want a centralized system for cost reasons and several other disadvantages. The advantages, of course, are obvious. I wanted to know if there is a decentralized system with these features.
D
DerBjoern19 May 2015 11:12A centralized controlled residential ventilation system shouldn’t be much more expensive than €6500 (about $7000). Having few wall penetrations fundamentally conflicts with the design of decentralized systems. On the other hand, there are plenty of effective options, and noise level is a matter of personal perception.
@Lebensprojekt
Depending on where you live in Hesse, you might want to consider a trip to Berlin (which you can combine with a short vacation).
There is a well-regarded ventilation company there where you can listen to four or five different decentralized systems installed in real conditions.
We found the advice very good and informative, and even though we live on the opposite side of Germany, we ordered our decentralized system from them (naturally, only when we actually needed it).
They will also create a ventilation plan and a cost estimate based on your building plans (we received this by email).
In my opinion, nobody can answer your questions precisely here, as everyone has their own personal perception (for example, regarding noise levels).
Depending on where you live in Hesse, you might want to consider a trip to Berlin (which you can combine with a short vacation).
There is a well-regarded ventilation company there where you can listen to four or five different decentralized systems installed in real conditions.
We found the advice very good and informative, and even though we live on the opposite side of Germany, we ordered our decentralized system from them (naturally, only when we actually needed it).
They will also create a ventilation plan and a cost estimate based on your building plans (we received this by email).
In my opinion, nobody can answer your questions precisely here, as everyone has their own personal perception (for example, regarding noise levels).
L
Lebensprojekt19 May 2015 12:49DerBjoern schrieb:
A central controlled ventilation system shouldn’t be much more expensive than €6500. Few wall penetrations fundamentally conflict with the nature of decentralized systems. There are plenty of effective ones, and noise level is a matter of personal perception.A central system costs more than twice that (around €15,000). It’s clear that the house needs to be connected with ventilation ducts throughout all floors (starting from the utility room). Yes, the issue with wall penetrations probably remains.
f-pNo schrieb:
@Lebensprojekt
Depending on where you live in Hesse, you might want to consider a trip to Berlin (could be combined with a short vacation).
There is a good ventilation office there where you can listen to 4 or 5 different decentralized systems installed in real environments.
We found their consultation to be very good and insightful and, even though we live at the other end of Germany, we ordered our decentralized system from them (of course only when we actually needed it).
They will also create a ventilation concept and provide a cost estimate based on your plans (which we received by email).
In my opinion, no one can precisely answer your questions here because everyone has a subjective perception (for example regarding noise level).That sounds interesting, but Berlin is quite far away—500 km (310 miles) is something to plan for. Is there such a center closer by? Otherwise, I guess packing bags is necessary...
Most systems are offered as kits for self-installation, which I’m skeptical about since warranty issues can get complicated.
I assume the offers are in the range I’ve already mentioned here?
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