{"id":37121,"date":"2026-07-29T08:04:08","date_gmt":"2026-07-29T06:04:08","guid":{"rendered":"https:\/\/nature-et-developpement.com\/logibio\/?p=37121"},"modified":"2026-07-29T08:04:09","modified_gmt":"2026-07-29T06:04:09","slug":"comment-ameliorer-le-confort-thermique-dun-batiment-ancien-en-ete","status":"publish","type":"post","link":"https:\/\/nature-et-developpement.com\/logibio\/comment-ameliorer-le-confort-thermique-dun-batiment-ancien-en-ete\/","title":{"rendered":"Comment am\u00e9liorer le confort thermique d&rsquo;un b\u00e2timent ancien en \u00e9t\u00e9 ?"},"content":{"rendered":"<p>Les b\u00e2timents anciens, qu\u2019il s\u2019agisse de maisons de village en pierre, de long\u00e8res ou de b\u00e2tisses en pis\u00e9, ont longtemps \u00e9t\u00e9 con\u00e7us pour un climat plus temp\u00e9r\u00e9 que celui que nous connaissons aujourd\u2019hui. Face \u00e0 la multiplication des \u00e9pisodes de forte chaleur, leur confort d\u2019\u00e9t\u00e9 est mis \u00e0 rude \u00e9preuve. Pourtant, ces b\u00e2timents disposent souvent d\u2019atouts naturels \ud83c\udf3f, comme l\u2019inertie des murs \u00e9pais et les mat\u00e9riaux respirants, qu\u2019il est possible de valoriser gr\u00e2ce \u00e0 des solutions cibl\u00e9es pour retrouver un confort thermique satisfaisant sans recourir syst\u00e9matiquement \u00e0 la climatisation.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Pourquoi les b\u00e2timents anciens souffrent-ils davantage de la chaleur en \u00e9t\u00e9 ?<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Une isolation thermique souvent insuffisante<\/strong><\/p>\n<p>La majorit\u00e9 des b\u00e2timents construits avant les premi\u00e8res r\u00e9glementations thermiques n\u2019ont jamais \u00e9t\u00e9 con\u00e7us avec une isolation d\u00e9di\u00e9e. Les combles, les murs et les planchers bas laissent ainsi passer la chaleur estivale avec peu de r\u00e9sistance, en particulier au niveau de la toiture, fortement expos\u00e9e au rayonnement solaire. Cette absence d\u2019isolation, souvent identifi\u00e9e pour ses cons\u00e9quences hivernales, p\u00e9nalise tout autant le confort d\u2019\u00e9t\u00e9. \u2600\ufe0f<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Des fen\u00eatres peu performantes face aux apports solaires<\/strong><\/p>\n<p>Les menuiseries anciennes en simple vitrage, ou certains remplacements plus r\u00e9cents mais mal adapt\u00e9s, laissent entrer un rayonnement solaire important. L\u2019effet de serre qui en r\u00e9sulte transforme rapidement une pi\u00e8ce expos\u00e9e en espace de surchauffe. Dans le cadre d\u2019une r\u00e9novation, le remplacement par des <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/construction\/menuiseries-exterieures\/?filters=nature[fenetre]\">fen\u00eatres performantes<\/a>, comme celles de la marque Bieber, permet d\u2019am\u00e9liorer les performances thermiques de l\u2019enveloppe tout en pr\u00e9servant le confort int\u00e9rieur.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-37142\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1-300x300.jpg 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1-150x150.jpg 150w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1-450x450.jpg 450w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1-100x100.jpg 100w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/fenetre-bois-b-smart-58-bieber-vue-interieure-600x600-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Un manque de ventilation naturelle adapt\u00e9e<\/strong><\/p>\n<p>Beaucoup de b\u00e2timents anciens ont \u00e9t\u00e9 modifi\u00e9s au fil des r\u00e9novations successives, avec le remplacement des menuiseries, le calfeutrage ou une isolation partielle, sans reconsid\u00e9rer la circulation de l\u2019air. Les dispositifs de ventilation naturelle d\u2019origine, comme les a\u00e9rations basses, les chemin\u00e9es ou les combles ventil\u00e9s, ont souvent \u00e9t\u00e9 supprim\u00e9s ou obstru\u00e9s alors qu\u2019ils participaient naturellement \u00e0 l\u2019\u00e9vacuation de la chaleur accumul\u00e9e.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Prot\u00e9ger le b\u00e2timent des apports solaires ext\u00e9rieurs<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Installer des protections solaires efficaces sur les fen\u00eatres<\/strong><\/p>\n<p>La r\u00e8gle la plus importante en mati\u00e8re de confort d\u2019\u00e9t\u00e9 consiste \u00e0 bloquer la chaleur avant qu\u2019elle n\u2019entre dans le b\u00e2timent. Les protections solaires ext\u00e9rieures, comme les volets, les stores bannes ou les brise-soleil orientables, interceptent le rayonnement avant qu\u2019il n\u2019atteigne le vitrage et se r\u00e9v\u00e8lent bien plus efficaces que les protections plac\u00e9es \u00e0 l\u2019int\u00e9rieur. Pour les b\u00e2timents anciens \u00e0 forte valeur patrimoniale, des solutions discr\u00e8tes permettent de pr\u00e9server l\u2019esth\u00e9tique de la fa\u00e7ade tout en am\u00e9liorant le confort estival.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>V\u00e9g\u00e9taliser les abords pour cr\u00e9er de l\u2019ombre naturelle<\/strong><\/p>\n<p>Les arbres \u00e0 feuilles caduques \ud83c\udf33, les pergolas v\u00e9g\u00e9talis\u00e9es et les plantes grimpantes install\u00e9s devant les fa\u00e7ades les plus expos\u00e9es cr\u00e9ent une ombre naturelle qui limite l\u2019\u00e9chauffement des murs en \u00e9t\u00e9 tout en laissant passer la lumi\u00e8re en hiver. Cette approche am\u00e9liore \u00e9galement la biodiversit\u00e9 et participe durablement au confort thermique du b\u00e2timent.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Opter pour des rev\u00eatements de toiture r\u00e9fl\u00e9chissants<\/strong><\/p>\n<p>Lors du remplacement d\u2019une couverture, le choix de mat\u00e9riaux pr\u00e9sentant une bonne r\u00e9flectance solaire permet de limiter l\u2019\u00e9chauffement de la toiture et de r\u00e9duire les apports de chaleur vers les combles. Cette solution s\u2019envisage principalement dans le cadre de travaux de r\u00e9novation d\u00e9j\u00e0 programm\u00e9s, en compl\u00e9ment d\u2019une isolation et d\u2019une ventilation adapt\u00e9es.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Am\u00e9liorer la ventilation naturelle pour \u00e9vacuer la chaleur<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Cr\u00e9er des courants d\u2019air traversants efficaces<\/strong><\/p>\n<p>Un b\u00e2timent ancien dispose souvent d\u2019ouvertures sur plusieurs fa\u00e7ades, un atout \u00e0 exploiter pleinement. Ouvrir des fen\u00eatres oppos\u00e9es \ud83c\udf2c\ufe0f t\u00f4t le matin et en soir\u00e9e favorise la cr\u00e9ation d\u2019un courant d\u2019air traversant qui \u00e9vacue la chaleur accumul\u00e9e dans la journ\u00e9e, tout en permettant aux murs \u00e9pais de restituer progressivement la fra\u00eecheur emmagasin\u00e9e pendant la nuit.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Installer un extracteur d\u2019air solaire pour les combles<\/strong><\/p>\n<p>Pour les combles perdus, souvent la zone la plus expos\u00e9e \u00e0 la surchauffe, l\u2019installation d\u2019un <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produit\/extracteur-d-air-pour-combles-solar-star-de-solatube\/\">extracteur d\u2019air solaire Solar Star<\/a> permet d\u2019\u00e9vacuer automatiquement l\u2019air chaud d\u00e8s que l\u2019ensoleillement est suffisant, sans raccordement \u00e9lectrique. Son fonctionnement autonome compl\u00e8te efficacement les autres solutions destin\u00e9es \u00e0 am\u00e9liorer le confort d\u2019\u00e9t\u00e9. \ud83d\udd06<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-36876\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-280x300.jpg\" alt=\"Extracteur d&apos;air solaire Solar Star pour combles perdus\" width=\"280\" height=\"300\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-280x300.jpg 280w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-957x1024.jpg 957w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-768x822.jpg 768w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-1435x1536.jpg 1435w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-1914x2048.jpg 1914w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-1200x1284.jpg 1200w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-1980x2119.jpg 1980w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Solar-Star_RM2400_Tuiles_Recadre-600x642.jpg 600w\" sizes=\"auto, (max-width: 280px) 100vw, 280px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-37143\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Chaleur-Humidite-schema-300x175.jpg\" alt=\"\" width=\"300\" height=\"175\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Chaleur-Humidite-schema-300x175.jpg 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Chaleur-Humidite-schema-768x448.jpg 768w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Chaleur-Humidite-schema-600x350.jpg 600w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Chaleur-Humidite-schema.jpg 830w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/strong><\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Ventiler la nuit pour rafra\u00eechir la structure<\/strong><\/p>\n<p>Au-del\u00e0 du renouvellement de l\u2019air, une a\u00e9ration nocturne prolong\u00e9e permet de rafra\u00eechir progressivement la masse des murs et des planchers. Cette fra\u00eecheur est ensuite restitu\u00e9e durant la journ\u00e9e, ce qui contribue \u00e0 ralentir la mont\u00e9e en temp\u00e9rature des b\u00e2timents anciens lorsque les nuits restent suffisamment fra\u00eeches.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Optimiser l\u2019\u00e9clairage naturel sans surchauffe gr\u00e2ce aux conduits de lumi\u00e8re<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Comment les conduits de lumi\u00e8re limitent les apports thermiques<\/strong><\/p>\n<p>Contrairement \u00e0 une fen\u00eatre de toit classique, un conduit de lumi\u00e8re capte la lumi\u00e8re naturelle en toiture puis la diffuse \u00e0 l&rsquo;int\u00e9rieur gr\u00e2ce \u00e0 un tube hautement r\u00e9fl\u00e9chissant. La surface vitr\u00e9e \u00e9tant beaucoup plus r\u00e9duite, les apports solaires sont \u00e9galement limit\u00e9s, ce qui contribue \u00e0 pr\u00e9server le confort thermique pendant les p\u00e9riodes estivales. Cette solution est particuli\u00e8rement int\u00e9ressante dans les pi\u00e8ces aveugles ou peu ouvertes sur l&rsquo;ext\u00e9rieur. \u2600\ufe0f<\/p>\n<p>Les solutions propos\u00e9es par <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/energie-et-ventilation\/eclairage\/?filters=marque[solatube]\"><b>Solatube<\/b><\/a>, permettent ainsi d&rsquo;am\u00e9liorer l&rsquo;apport de lumi\u00e8re naturelle tout en limitant les risques de surchauffe associ\u00e9s \u00e0 une ouverture de toiture de grande dimension.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-35823\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-300x225.jpg 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-1024x768.jpg 1024w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-768x576.jpg 768w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-1536x1152.jpg 1536w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-1200x900.jpg 1200w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne-600x450.jpg 600w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/05\/Reno_Ferme-Montagne.jpg 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>R\u00e9duire l\u2019usage de l\u2019\u00e9clairage artificiel g\u00e9n\u00e9rateur de chaleur<\/strong><\/p>\n<p>M\u00eame si les \u00e9quipements LED \ud83d\udca1 produisent aujourd&rsquo;hui beaucoup moins de chaleur que les anciennes lampes halog\u00e8nes ou \u00e0 incandescence, r\u00e9duire le recours \u00e0 l&rsquo;\u00e9clairage artificiel permet de limiter les apports thermiques internes et de diminuer les consommations d&rsquo;\u00e9nergie. Dans un b\u00e2timent ancien, l&rsquo;apport de lumi\u00e8re naturelle am\u00e9liore \u00e9galement le confort visuel et l&rsquo;occupation quotidienne des espaces.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Renforcer l\u2019inertie thermique et l\u2019isolation du b\u00e2timent ancien<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Am\u00e9liorer l\u2019isolation des combles et toitures<\/strong><\/p>\n<p>La toiture constitue g\u00e9n\u00e9ralement la principale source de surchauffe en \u00e9t\u00e9. Une isolation performante des combles permet de ralentir fortement la p\u00e9n\u00e9tration de la chaleur dans le logement, tout en am\u00e9liorant les performances \u00e9nerg\u00e9tiques en hiver. Lors d&rsquo;un projet d&rsquo;<a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-exterieure\/\">isolation ext\u00e9rieure<\/a>, des panneaux en fibre de bois comme ceux propos\u00e9s par <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-exterieure\/?filters=marque[gutex]\"><b>Gutex<\/b><\/a> ou <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-exterieure\/?filters=marque[steico]\"><b>Steico<\/b><\/a> sont particuli\u00e8rement appr\u00e9ci\u00e9s pour leurs performances en confort d&rsquo;\u00e9t\u00e9 gr\u00e2ce \u00e0 leur capacit\u00e9 \u00e0 ralentir le transfert de chaleur. \ud83c\udf1e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-35424\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/STEICOflex-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/STEICOflex-300x169.png 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/STEICOflex.png 555w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Utiliser des mat\u00e9riaux biosourc\u00e9s pour r\u00e9guler la temp\u00e9rature int\u00e9rieure<\/strong><\/p>\n<p>Le recours \u00e0 des mat\u00e9riaux biosourc\u00e9s contribue \u00e0 am\u00e9liorer le confort thermique tout en respectant le fonctionnement hygrothermique des b\u00e2timents anciens. Dans le cadre d&rsquo;une <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-interieure\/\">isolation int\u00e9rieure<\/a>, les isolants en fibre de bois, en chanvre ou en ouate de cellulose offrent un bon compromis entre isolation thermique, gestion de l&rsquo;humidit\u00e9 et confort d&rsquo;\u00e9t\u00e9.<\/p>\n<p>Parmi les solutions disponibles, les isolants <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-interieure\/?filters=marque[biofib]\"><b>Biofib&rsquo;<\/b><\/a> ou encore la ouate de cellulose <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-interieure\/?filters=marque[cellouate]\"><b>Cellouate<\/b><\/a> constituent des solutions adapt\u00e9es \u00e0 de nombreux projets de r\u00e9novation, sous r\u00e9serve d&rsquo;un dimensionnement et d&rsquo;une mise en \u0153uvre conformes aux recommandations du fabricant.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-35431\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-300x300.jpg 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-150x150.jpg 150w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-768x768.jpg 768w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-450x450.jpg 450w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-600x600.jpg 600w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier-100x100.jpg 100w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/03\/Cellaouate-ouate-de-cellulose-papier.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p class=\"has-text-color has-link-color\" style=\"color: #2aa4a9\"><strong>Conserver l\u2019inertie des murs anciens en pierre ou terre<\/strong><\/p>\n<p>Les murs anciens en pierre, en terre crue ou en pis\u00e9 disposent d&rsquo;une forte inertie thermique qui contribue naturellement au confort d&rsquo;\u00e9t\u00e9. Lors d&rsquo;une r\u00e9novation, l&rsquo;objectif est donc de pr\u00e9server cette capacit\u00e9 de stockage de la fra\u00eecheur en privil\u00e9giant des solutions compatibles avec le b\u00e2ti existant. Dans certains projets, des syst\u00e8mes constructifs en chanvre comme ceux propos\u00e9s par <a href=\"https:\/\/nature-et-developpement.com\/logibio\/produits\/isolation-et-etancheite\/isolation-exterieure\/?filters=marque[isohemp]\"><b>Isohemp<\/b><\/a> peuvent \u00e9galement r\u00e9pondre aux exigences de r\u00e9novation du b\u00e2ti ancien lorsqu&rsquo;ils sont adapt\u00e9s au projet. \ud83e\uddf1<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-37146\" src=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-300x300.jpg 300w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-150x150.jpg 150w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-768x768.jpg 768w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-450x450.jpg 450w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-600x600.jpg 600w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2-100x100.jpg 100w, https:\/\/nature-et-developpement.com\/logibio\/wp-content\/uploads\/sites\/20\/2026\/07\/Renovation-interieure-Lofts-Bruxelles-avec-ISOHEMP-detail-2.jpg 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n\n\n<h2 class=\"wp-block-heading\">Questions fr\u00e9quentes sur le confort thermique en \u00e9t\u00e9<\/h2>\n\n\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Faut-il privil\u00e9gier la climatisation ou les solutions passives ?<\/strong><\/p>\n<p>Les solutions passives restent g\u00e9n\u00e9ralement \u00e0 privil\u00e9gier lorsqu&rsquo;elles sont compatibles avec le b\u00e2timent. Une bonne isolation, des protections solaires, une ventilation adapt\u00e9e et la valorisation de l&rsquo;inertie permettent souvent de limiter fortement les surchauffes. La climatisation peut constituer un compl\u00e9ment dans certaines situations, mais elle ne remplace pas un traitement des causes de l&rsquo;inconfort.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Quels \u00e9quipements installer en priorit\u00e9 dans un b\u00e2timent ancien ?<\/strong><\/p>\n<p>La priorit\u00e9 d\u00e9pend de l&rsquo;\u00e9tat du b\u00e2timent. L&rsquo;am\u00e9lioration de l&rsquo;isolation des combles, la mise en place de protections solaires ext\u00e9rieures, l&rsquo;optimisation de la ventilation et la r\u00e9duction des apports de chaleur constituent g\u00e9n\u00e9ralement les premi\u00e8res actions \u00e0 envisager avant d&rsquo;investir dans des \u00e9quipements de rafra\u00eechissement.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Combien co\u00fbte l\u2019am\u00e9lioration du confort thermique estival ?<\/strong><\/p>\n<p>Le co\u00fbt d\u00e9pend de l&rsquo;\u00e9tat initial du b\u00e2timent, des travaux retenus et des mat\u00e9riaux utilis\u00e9s. Des interventions simples, comme l&rsquo;installation de protections solaires ou l&rsquo;am\u00e9lioration de la ventilation, peuvent d\u00e9j\u00e0 apporter un gain sensible, tandis qu&rsquo;une r\u00e9novation globale repr\u00e9sente un investissement plus important mais am\u00e9liore durablement le confort et les performances \u00e9nerg\u00e9tiques.<\/p>\n<p class=\"has-text-color has-link-color\" style=\"color:#2aa4a9\"><strong>Les aides financi\u00e8res couvrent-elles ces travaux de r\u00e9novation \u00e9nerg\u00e9tique ?<\/strong><\/p>\n<p>Certaines am\u00e9liorations du confort d&rsquo;\u00e9t\u00e9 peuvent \u00eatre int\u00e9gr\u00e9es \u00e0 des travaux de r\u00e9novation \u00e9nerg\u00e9tique \u00e9ligibles \u00e0 des dispositifs d&rsquo;aide lorsqu&rsquo;elles r\u00e9pondent aux crit\u00e8res en vigueur. Les conditions d&rsquo;\u00e9ligibilit\u00e9 \u00e9voluant r\u00e9guli\u00e8rement, il est recommand\u00e9 de v\u00e9rifier les dispositifs applicables au moment du projet.<\/p>\n<p>&nbsp;<\/p>\n<p>Am\u00e9liorer le confort thermique d&rsquo;un b\u00e2timent ancien en \u00e9t\u00e9 consiste avant tout \u00e0 tirer parti de ses qualit\u00e9s d&rsquo;origine tout en corrigeant ses principaux points faibles. Une isolation adapt\u00e9e, une bonne gestion des apports solaires, une ventilation efficace et des mat\u00e9riaux compatibles avec le b\u00e2ti permettent de limiter durablement les surchauffes \ud83c\udf3f tout en pr\u00e9servant le caract\u00e8re du logement.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Pour plus d\u2019informations et de conseils sur l&rsquo;isolation naturelle, la ventilation et les solutions d&rsquo;\u00e9clairage naturel, vous pouvez nous contacter via notre formulaire :<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/nature-et-developpement.com\/logibio\/contact\/\">Contact<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les b\u00e2timents anciens, qu\u2019il s\u2019agisse de maisons de village en pierre, de long\u00e8res ou de b\u00e2tisses en pis\u00e9, ont longtemps \u00e9t\u00e9 con\u00e7us pour un climat plus temp\u00e9r\u00e9 que celui que nous connaissons aujourd\u2019hui. Face \u00e0 la multiplication des \u00e9pisodes de forte chaleur, leur confort d\u2019\u00e9t\u00e9 est mis \u00e0 rude \u00e9preuve. Pourtant, ces b\u00e2timents disposent souvent [&hellip;]<\/p>\n","protected":false},"author":831,"featured_media":37148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4952,4953,1],"tags":[],"class_list":["post-37121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-actualites","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment am\u00e9liorer le confort thermique d&#039;un b\u00e2timent ancien en \u00e9t\u00e9 ?<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment am\u00e9liorer le confort d&#039;\u00e9t\u00e9 d&#039;un b\u00e2timent ancien gr\u00e2ce \u00e0 l&#039;isolation naturelle, au d\u00e9phasage thermique et aux bonnes pratiques de r\u00e9novation\" \/>\n<meta name=\"robots\" content=\"index, follow, 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