Go to Forum Home › Building Services › Passivhaus ventilation: It’s not a lot of hot air
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Anonymous.
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- 11 April 2012 at 11:45 am #31663
Mark Siddall's article 'Passivhaus ventilation: It’s not a lot of hot air' can be downloaded from here http://aecb.net/news/2012/03/passivhaus-ventilation-its-not-a-lot-of-hot-air/.
Please feel free to comment or ask additional questions here.
- 16 April 2012 at 10:02 am #38505
Sue Roaf are you listening?!
- 16 April 2012 at 5:58 pm #38506
AnonymousMark has done a fine job in explaining HRV's but lets please remember that they were invented, in Canada (I am from Winnipeg), to satisfy 2 things, one to supply fresh air in a “tightly” built home (while extracting stale and polluted air) and the 2nd to control the humidity levels in structures that are susceptible to rotting (wood structures).
- 19 April 2012 at 9:24 pm #38507
Indeed. I've just looked at some figures which suggest to me that a Canadian HRV of ~1979 was as energy-efficient – i.e. it had as low a specific fanpower – as the best available today in Germany. Why no great progress?
I think most people in Germany would acknowledge that Canada had the Saskatchewan Conservation House long before they had the Passivhaus Standard.
- 20 April 2012 at 11:06 pm #38508Anonymous
a Canadian HRV of ~1979 was as energy-efficient – i.e. it had as low a specific fanpower – as the best available today in Germany. Why no great progress?
I'm quite surprised by that, and impressed, since I thought that electric motor technology had moved on significantly in the last thirty years. Do you have source document(s) for the technology, please?
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