{"id":9380,"date":"2015-09-03T12:57:00","date_gmt":"2015-09-03T09:57:00","guid":{"rendered":"https:\/\/vallox.com\/peruskorjattavan-omakotitalon-ilmanvaihto\/"},"modified":"2026-08-24T13:40:28","modified_gmt":"2026-08-24T10:40:28","slug":"ventilationen-av-ett-enfamiljshus-som-totalrenoveras","status":"publish","type":"post","link":"https:\/\/www.vallox.com\/sv\/ventilationen-av-ett-enfamiljshus-som-totalrenoveras\/","title":{"rendered":"Ventilationen av ett enfamiljshus som totalrenoveras"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Senast uppdaterad 24. augusti 2026<\/p>\n\n\n\n<div style=\"height:71px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div  class=\"Image w-full h-auto mb-8\">\n    <img decoding=\"async\"\n        srcset=\"\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Paakuva_1140x350px-1024x314.jpg 1024w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Paakuva_1140x350px-768x236.jpg 768w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Paakuva_1140x350px-300x92.jpg 300w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Paakuva_1140x350px-150x150.jpg 150w,\n        \"\n        alt=\"\"\n        src=\"https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Paakuva_1140x350px-300x92.jpg\"\n        class=\"object-cover w-full h-auto\"\n    \/>\n    <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n    <div id=\"\" class=\"Block Section overflow-hidden w-full\">\n        <div class=\"Section-content relative max-w-[1088px] mx-auto w-full\">\n            \n\n<p class=\"wp-block-paragraph\"><strong>Genom intelligent ventilation tryggar du din viktigaste investering \u2013 ditt hem. Moderniseringen av ventilationen \u00e4r en viktig del av en totalrenovering. I ett traditionellt hus h\u00e4nf\u00f6r sig n\u00e4stan h\u00e4lften av den uppv\u00e4rmningsenergi som f\u00f6rbrukas till ventilationen. D\u00e4rf\u00f6r spelar det en stor roll hur energieffektiv ventilationen \u00e4r n\u00e4r man efterstr\u00e4var energibesparingar.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I samband med sanering av v\u00e4rmesystem samt n\u00e4r man l\u00e4gger in extra isolering eller nya f\u00f6nster f\u00f6rb\u00e4ttras byggnadens t\u00e4thet och luftl\u00e4ckaget minskar. D\u00e4rf\u00f6r \u00e4r det s\u00e4rskilt viktigt att ventilationen moderniseras s\u00e5 att man uppn\u00e5r de energibesparingar som efterstr\u00e4vas med renoveringen och att besparingen inte g\u00f6rs p\u00e5 bekostnad av inomhusluftens kvalitet eller konstruktionernas kondition. Bristf\u00e4llig ventilation kan leda till fuktskador eller m\u00f6gel i konstruktionerna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e4r b\u00f6r ventilationssystemet f\u00f6rnyas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00e4rskilt i sm\u00e5hus som byggdes f\u00f6re 1980-talet bygger ventilationen ofta p\u00e5 ett sj\u00e4lvdragssystem, d\u00e4r luftv\u00e4xlingen sker naturligt genom temperaturskillnader och vind via ventilations\u00f6ppningar och ot\u00e4ta konstruktioner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Att byta till ett mekaniskt ventilationssystem \u00e4r motiverat n\u00e4r byggnaden genomg\u00e5r mer omfattande renoveringar d\u00e4r t\u00e4theten f\u00f6rb\u00e4ttras, till exempel genom till\u00e4ggsisolering eller byte av f\u00f6nster och d\u00f6rrar. I s\u00e5dana fall fungerar sj\u00e4lvdragsventilationen inte l\u00e4ngre tillr\u00e4ckligt, eftersom de okontrollerade luftl\u00e4ckagen minskar avsev\u00e4rt. I en t\u00e4t byggnad \u00e4r det d\u00e4rf\u00f6r n\u00f6dv\u00e4ndigt att installera ett kontrollerat mekaniskt ventilationssystem f\u00f6r att s\u00e4kerst\u00e4lla tillr\u00e4cklig och h\u00e4lsosam ventilation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Otillr\u00e4cklig ventilation efter renoverings\u00e5tg\u00e4rder kan ocks\u00e5 leda till att fukt ansamlas i konstruktionerna, vilket i sin tur kan ge upphov till m\u00f6gelskador. Dessutom bidrar ventilation med v\u00e4rme\u00e5tervinning till att uppfylla renoveringens m\u00e5l f\u00f6r energieffektivitet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<section class=\"bg-[rgba(165,185,196,0.3)]\" >\n    <div class=\"FiftyFifty\n\n        relative\n        flex\n        justify-between\n        flex-col-reverse lg:flex-row-reverse\n    \">\n        <div class=\"w-full lg:w-1\/2 p-4 sm:p-8 md:p-12 lg:p-28 xl:p-32 sm:!px-8\">\n                            <h2 class=\"Title\n                    flex flex-col justify-start\n                    text-black\n                    text-lg sm:text-2xl md:text-xl xl:text-2xl 2xl:text-3xl\n                    font-bold leading-6 xl:leading-7\n                    mb-4\n                \">\n                    Effektiv ventilation skyddar mot fukt\n                <\/h2>\n                                        <div class=\"flex flex-col justify-center\">\n                                            <span class=\"Text text-custom-gray-dark pb-2\">\n                            <p>Om luftfuktigheten inomhus blir f\u00f6r h\u00f6g kondenserar fukten l\u00e4tt p\u00e5 f\u00f6nsterytor eller inne i kalla ytterv\u00e4ggskonstruktioner. L\u00e5ngvarig fuktbelastning skapar gynnsamma f\u00f6rh\u00e5llanden f\u00f6r mikrobtillv\u00e4xt och m\u00f6gelbildning, vilket med tiden kan orsaka betydande skador p\u00e5 byggnaden.<\/p>\n<div>\n<p>Effektiv mekanisk ventilation, till exempel med ett MyVallox-ventilationsaggregat, avl\u00e4gsnar p\u00e5 ett kontrollerat s\u00e4tt koldioxid, fukt, lukter och andra f\u00f6roreningar direkt fr\u00e5n byggnaden. Dessutom f\u00f6rhindrar v\u00e4rme\u00e5tervinning med plattv\u00e4rmev\u00e4xlare att f\u00f6roreningar i fr\u00e5nluften blandas med den friska tilluften, vilket ytterligare f\u00f6rb\u00e4ttrar inomhusluftens kvalitet.<\/p>\n<\/div>\n\n                        <\/span>\n                                                        <\/div>\n                    <\/div>\n\n                    <div class=\"\n                self-stretch justify-self-stretch\n                w-full lg:w-1\/2\n                relative flex justify-center\n                lg:justify-start\n             \">\n                <img decoding=\"async\"\n                loading=\"lazy\"\n                class=\"object-cover h-full w-full\"\n                                    srcset=\"\n                        https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www-150x150.webp 150w,\n                        https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www-300x169.webp 300w,\n                        https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www-768x432.webp 768w,\n                        https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www-1024x576.webp 1024w,\n                        https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www.webp 1920w,\n                    \"\n                                src=\"https:\/\/www.vallox.com\/app\/uploads\/2026\/06\/Hanakat-IV-remppa-Main-image-www-768x432.webp\"\n                alt=\"\"\n                \/>\n            <\/div>\n            <\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Planering och dimensionering av mekanisk ventilation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e4r ett ventilationssystem byggs om till mekanisk ventilation m\u00e5ste flera viktiga faktorer beaktas i b\u00e5de planerings- och genomf\u00f6randeskedet. Till dessa h\u00f6r bland annat korrekt dimensionering av ventilationskanalerna samt m\u00f6jligheterna att installera kanalsystemet i byggnadens konstruktioner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dessutom m\u00e5ste ventilationsaggregatets kapacitet motsvara byggnadens erforderliga luftfl\u00f6den f\u00f6r att systemet ska fungera energieffektivt och \u00e4ndam\u00e5lsenligt. Slutligen m\u00e5ste luftfl\u00f6dena balanseras noggrant f\u00f6r att s\u00e4kerst\u00e4lla ett v\u00e4lfungerande och behagligt inomhusklimat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Planering och genomf\u00f6rande av dessa delar kr\u00e4ver sakkunskap fr\u00e5n VVS-branschens yrkespersoner. Det \u00e4r ocks\u00e5 viktigt att ventilationsaggregatets kapacitet \u00e4r anpassad till byggnadens ventilationsbehov f\u00f6r att systemet ska kunna fungera optimalt och energieffektivt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00f6nar det sig att byta till mekanisk ventilation?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Att \u00f6verg\u00e5 till mekanisk ventilation kan i m\u00e5nga fall betraktas som en l\u00f6nsam investering. Detta g\u00e4ller s\u00e4rskilt \u00e4ldre hus d\u00e4r ventilationen bygger p\u00e5 sj\u00e4lvdrag och d\u00e4r renoverings\u00e5tg\u00e4rder ofta beh\u00f6ver utf\u00f6ras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I s\u00e5dana byggnader kan ett mekaniskt till- och fr\u00e5nluftssystem med v\u00e4rme\u00e5tervinning, installerat i samband med en renovering d\u00e4r byggnadens t\u00e4thet f\u00f6rb\u00e4ttras, avsev\u00e4rt f\u00f6rb\u00e4ttra inomhusluftens kvalitet, minska fuktansamling och bidra till att f\u00f6rebygga m\u00f6gelproblem och o\u00f6nskade lukter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dessutom m\u00f6jligg\u00f6r ventilationsaggregat med v\u00e4rme\u00e5tervinning energibesparingar f\u00f6r de boende, eftersom v\u00e4rmen som \u00e5tervinns ur fr\u00e5nluften kan anv\u00e4ndas f\u00f6r att v\u00e4rma den inkommande tilluften.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c4ven om installationen av systemet kan vara relativt kostsam och kr\u00e4va f\u00f6r\u00e4ndringar i byggnadens konstruktioner, g\u00f6r de l\u00e5ngsiktiga f\u00f6rdelarna, s\u00e5som \u00f6kad boendekomfort, h\u00e4lsosammare inomhusluft och ett potentiellt h\u00f6gre fastighetsv\u00e4rde, investeringen ofta v\u00e4l motiverad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beslutet att \u00f6verg\u00e5 till mekanisk ventilation b\u00f6r dock alltid fattas fr\u00e5n fall till fall med h\u00e4nsyn till b\u00e5de byggnadens egenskaper och de boendes behov.Copilot said:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Exempel p\u00e5 ventilationsrenoveringar i sm\u00e5hus<\/h2>\n\n\n\n<div style=\"height:73px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Ventilationssanering i ett frontmannahus fr\u00e5n 1950-talet<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ett frontmannahus fr\u00e5n 50-talet genomgick en grundlig renovering f\u00f6r att motsvara dagens boendekrav. F\u00f6nstren, ytterd\u00f6rrarna, k\u00f6ket och bastuavdelningen f\u00f6rnyades, och i k\u00e4llaren byggdes ett kombinerat brasrum\/hemmagym. I och med att huset efter renoveringen blev avsev\u00e4rt t\u00e4tare byttes sj\u00e4lvdragsventilationen ut mot ett mekaniskt till-\/fr\u00e5nluftssystem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De tv\u00e4rg\u00e5ende ventilationskanalerna drogs n\u00e4stan helt och h\u00e5llet i k\u00e4llaren och i bostadsutrymmen beh\u00f6vdes ut\u00f6ver de lodr\u00e4ta kanalerna endast n\u00e5gra f\u00e5 korta v\u00e5gr\u00e4ta kanaler som var enkla att kapsla in s\u00e5 att man inte kan se dem. Avluften leddes ut via k\u00e4llarv\u00e4ggen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.vallox.com\/sv\/produkt\/vallox-110-mv\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vallox 110 MV<\/a> valdes som nytt ventilationsaggregat och placerades i anslutning till bastuutrymmena i k\u00e4llaren. Aggregatet \u00e4r f\u00f6rsett med en integrerad fuktighetsgivare som m\u00f6jligg\u00f6r forcering av den automatiska ventilationen efter att badrummet har anv\u00e4nts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ventilationssanering i ett enfamiljshus med l\u00e5gt vindsutrymme<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sj\u00e4lvdragsventilationen i huset byggdes om till modern l\u00e5genergiventilation. Eftersom huset hade ett l\u00e5gt vindsutrymme gick det inte att installera ventilationskanalerna i det yttre bj\u00e4lklaget.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Som luftf\u00f6rdelningssystem valdes <a href=\"https:\/\/www.vallox.com\/sv\/enkel-kanaldragning-med-luftfordelningssystemet-vallox-bluesky\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vallox BlueSky<\/a> som har en liten och flexibel ventilationskanal och som monterades i huvudsak p\u00e5 v\u00e4ggarna i tamburen. Kanalerna kapslades in och p\u00e5 undersidan installerades extra belysning. Eftersom kanalerna drogs inomhus beh\u00f6vde de inte heller v\u00e4rmeisoleras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vallox 110 MV valdes som ventilationsaggregat och placerades i omkl\u00e4dningsrummet intill bastuutrymmena. Aggregatet \u00e4r utrustat med det anv\u00e4ndarv\u00e4nliga styrsystemet <a href=\"https:\/\/www.vallox.com\/sv\/produkt\/myvallox-control-panel\/\" target=\"_blank\" rel=\"noreferrer noopener\">MyVallox Control<\/a> med olika l\u00e4gesalternativ som till\u00e5ter en automatisk reglering av ventilationseffekten enligt fuktighetshalten i luften.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div  class=\"Image w-full h-auto mb-8\">\n    <img decoding=\"async\"\n        srcset=\"\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_kellari_940x628px.jpg 1024w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_kellari_940x628px-768x513.jpg 768w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_kellari_940x628px-300x200.jpg 300w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_kellari_940x628px-150x150.jpg 150w,\n        \"\n        alt=\"Peruskorjattavan rintamamiestalon ilmanvaihto kellarikerroksessa.\"\n        src=\"https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_kellari_940x628px-300x200.jpg\"\n        class=\"object-cover w-full h-auto\"\n    \/>\n    <\/div>\n\n\n<div  class=\"Image w-full h-auto mb-8\">\n    <img decoding=\"async\"\n        srcset=\"\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_1kerros_940x628px.jpg 1024w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_1kerros_940x628px-768x513.jpg 768w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_1kerros_940x628px-300x200.jpg 300w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_1kerros_940x628px-150x150.jpg 150w,\n        \"\n        alt=\"Peruskorjattavan rintamamiestalon ilmanvaihto asuinkerroksessa.\"\n        src=\"https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_1kerros_940x628px-300x200.jpg\"\n        class=\"object-cover w-full h-auto\"\n    \/>\n    <\/div>\n\n\n<div  class=\"Image w-full h-auto mb-8\">\n    <img decoding=\"async\"\n        srcset=\"\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_2kerros_940x628px.jpg 1024w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_2kerros_940x628px-768x513.jpg 768w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_2kerros_940x628px-300x200.jpg 300w,\n            https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_2kerros_940x628px-150x150.jpg 150w,\n        \"\n        alt=\"Peruskorjattavan rintamamiestalon ilmanvaihto yl\u00e4kerrassa.\"\n        src=\"https:\/\/www.vallox.com\/app\/uploads\/2023\/07\/Artikkeli_Omakotitalonperuskorjaus_Pohja_2kerros_940x628px-300x200.jpg\"\n        class=\"object-cover w-full h-auto\"\n    \/>\n    <\/div>\n<\/div>\n<\/div>\n\n\n    <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Senast uppdaterad 24. augusti 2026<\/p>\n","protected":false},"author":5,"featured_media":5045,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[238],"tags":[239],"class_list":["post-9380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artikkelit-sv","tag-yleinen-sv"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ventilationen av ett enfamiljshus som totalrenoveras - Vallox<\/title>\n<meta name=\"description\" content=\"Genom intelligent ventilation tryggar du din viktigaste investering \u2013 ditt hem. 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