{"id":3703,"date":"2007-10-03T20:12:06","date_gmt":"2007-10-03T20:12:06","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/10\/03\/le-petit-journa\/"},"modified":"2012-07-12T10:04:32","modified_gmt":"2012-07-12T10:04:32","slug":"le-petit-journa","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/10\/03\/le-petit-journa\/","title":{"rendered":"Le petit journal des blogueurs"},"content":{"rendered":"

\"Images\"<\/a>Pourquoi m’interdirais je de publier des interventions qui me semblent solides et charpent\u00e9es, m\u00eame si je n’en partage pas tous les avis ?
Celui-ci me parait int\u00e9ressant aussi :
Merci de m’avoir si largement donn\u00e9 la parole. Vous me dites optimiste. Pas optimiste, pragmatique. Je ne suis pas rentr\u00e9 dans le d\u00e9tail de conception d’une maison \u00e0 basse consommation d’\u00e9nergie et d’une maison passive. Le puits canadien ne suffit pas bien s\u00fbr \u00e0 apporter \u00e0 lui seul les calories n\u00e9cessaires pour compenser les d\u00e9perditions \u00e9nerg\u00e9tiques de la construction. C’est d’abord et avant tout un "r\u00e9gulateur" de temp\u00e9rature, puisqu’il permet de lisser la courbe de temp\u00e9rature de l’air de ventilation<\/a> entrant en le r\u00e9chauffant en hiver et en le rafraichissant en \u00e9t\u00e9. Dans une maison \u00e0 basse consommation d’\u00e9nergie (type Minergie), par d\u00e9finition \u00e9quip\u00e9e d’un syst\u00e8me de ventilation double-flux \u00e0 r\u00e9cup\u00e9ration de chaleur, il est recommand\u00e9, mais pas indispensable au bon fonctionnement g\u00e9n\u00e9ral. Un simple po\u00eble \u00e0 bois suffira \u00e0 apporter les calories n\u00e9cessaires, si tant est que l’effort ait \u00e9t\u00e9 suffisamment port\u00e9 sur la performance de l’isolation de l’enveloppe du b\u00e2timent pour permettre d e faire l’\u00e9conomie d’un syst\u00e8me de chauffage lourd (type chaudi\u00e8re \u00e0 bois ou pompe \u00e0 chaleur). Dans une maison dite passive, qui ne fait que pousser le concept un cran plus loin, un simple syst\u00e8me de r\u00e9chauffage<\/a> (\u00e9lectrique ou \u00e0 eau chaude) de l’air transitant par la VMC suffit \u00e0 assurer l’appoint en calories tant les d\u00e9perditions sont limit\u00e9es par construction. Dans ce dernier cas effectivement, c’est la ventilation qui fait office de chauffage. Le po\u00eble n’est plus l\u00e0 que comme appoint ultime. Le principe fonctionne parfaitement dans des pays au climat plus rigoureux que le n\u00f4tre. Ne reste plus qu’\u00e0 le mettre en application en France sans chercher, comme d’habitude, \u00e0 r\u00e9inventer la lune !"<\/span><\/p>\n

Je tiens \u00e0 faire deux remarques \u00e0 mon id\u00e9e importante : on peut effectivement b\u00e2tir du passif. Ce n’est pas forc\u00e9ment plus compliqu\u00e9 (\u00e0 condition de savoir le faire). La France est \u00e0 situer dans son histoire : une construction totalement atone pendant l’entre deux guerre a conduit apr\u00e8s 1945 \u00e0 militariser et industrialiser la construction, en oubliant les savoir faire. L’avantage \u00e9tait \u00e9vident, on formait une main d’oeuvre standard en peu de temps.
Le probl\u00e8me fran\u00e7ais, n’est finalement qu’un probl\u00e8me de formation professionnelle, dans ce cas pr\u00e9cis aussi.
La deuxi\u00e8me remarque est aussi pour moi \u00e9vidente. M\u00eame si l’intervention peut \u00eatre consid\u00e9r\u00e9 comme globalement juste, il faut bien faire avec des solutions imparfaites, pour am\u00e9liorer les constructions existantes. Pas forc\u00e9ment d’un tr\u00e8s bon cachet \u00e0 l’origine, et l\u00e0, il n’y a pas de miracles, on ne fait pas ce que l’on veut. <\/p>\n","protected":false},"excerpt":{"rendered":"

Pourquoi m’interdirais je de publier des interventions qui me semblent solides et charpent\u00e9es, m\u00eame si je n’en partage pas tous les avis ? Celui-ci me parait int\u00e9ressant aussi :Merci de m’avoir si largement donn\u00e9 la parole. Vous me dites optimiste. Pas optimiste, pragmatique. Je ne suis pas rentr\u00e9 dans le d\u00e9tail de conception d’une maison […]<\/p>\n","protected":false},"author":198,"featured_media":6365,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,17],"tags":[1419],"class_list":["post-3703","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-habitat","tag-rechauffage-lair-de-ventilation"],"yoast_head":"\nLe petit journal des blogueurs - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/10\/03\/le-petit-journa\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Le petit journal des blogueurs - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"Pourquoi m’interdirais je de publier des interventions qui me semblent solides et charpent\u00e9es, m\u00eame si je n’en partage pas tous les avis ? Celui-ci me parait int\u00e9ressant aussi :Merci de m’avoir si largement donn\u00e9 la parole. Vous me dites optimiste. Pas optimiste, pragmatique. 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