"And again I agree: I did not bring Klingenberg in here, and I never created anything even near to gospel; we always kept passive house an open source - and again I agree, that's not the discussion here. The discussion was about air tightness…"
"Yes, Robert, I agree with your last statement. But this is not about perfection - and we have been through that discussion a lot of times. The success of the built examples demonstrates it, this is reality. You can only make the experience if you…"
"So, US is got it in the issue of ventilation.
Yes, we do disagree on air tightness - but that is what makes the discussion helpful. (1) We have a lot of trouble from "not tight enough" envelopes everywhere in Germany and Austria - and…"
"It is a really good discussion so far: Of course, how airtight is tight enough is a question of the local climate. But: In most climates it pays of having really tight building envelopes.
(1) The most important cause is: To avoid construction damage…"
Welcome to Home Energy Pros. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for…"
""The rich do not roast" (Amory Lovins) says it all - you can not increase energy services beyond a certain limit; on the other side, as long as optimal service is not reached, we can not blame the user for using some of the efficiency to…"
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Charlie Weschler sits down with Grace and Corbett and gives fascinating examples of the complexity of indoor air chemistry. He is an air quality legend, a professor on three continents, and a super nice guy.