{"id":168573,"date":"2026-07-02T15:28:27","date_gmt":"2026-07-02T15:28:27","guid":{"rendered":"https:\/\/friss-hirek.hu\/index.php\/ezert-lett-hosegben-hianycikk-a-kretapor-franciaorszagban\/friss-hirek\/"},"modified":"2026-07-02T15:28:27","modified_gmt":"2026-07-02T15:28:27","slug":"ezert-lett-hosegben-hianycikk-a-kretapor-franciaorszagban","status":"publish","type":"post","link":"https:\/\/friss-hirek.hu\/index.php\/ezert-lett-hosegben-hianycikk-a-kretapor-franciaorszagban\/videk\/","title":{"rendered":"Ez\u00e9rt lett h\u0151s\u00e9gben hi\u00e1nycikk a kr\u00e9tapor Franciaorsz\u00e1gban"},"content":{"rendered":"<p>A ny\u00e1ri h\u0151hull\u00e1mok egyre nagyobb kih\u00edv\u00e1st jelentenek Eur\u00f3pa-szerte, ez\u00e9rt sokan keresnek olyan megold\u00e1sokat, amelyek l\u00e9gkondicion\u00e1l\u00f3 n\u00e9lk\u00fcl, vagy \u00e9ppen azt kieg\u00e9sz\u00edtve m\u00e9rs\u00e9kelhetik a lak\u00e1sok felmeleged\u00e9s\u00e9t. Franciaorsz\u00e1gban az ut\u00f3bbi hetekben egy meglep\u0151 m\u00f3dszer ker\u00fclt a figyelem k\u00f6z\u00e9ppontj\u00e1ba: annyian kezdt\u00e9k v\u00e1s\u00e1rolni a kr\u00e9taport, hogy t\u00f6bb helyen k\u00e9szlethi\u00e1ny alakult ki.<\/p><div id=\"friss-2302965732\" class=\"friss-etarget friss-entity-placement\"><script type=\"text\/javascript\" id=\"etargetScript7a9b589f63cb072bef80df221f46a22b\">function etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b(){var e=\"etargetPostload7a9b589f63cb072bef80df221f46a22b\",t=\"etargetScript7a9b589f63cb072bef80df221f46a22b\",o=document.getElementById(e);if(o){for(var n=o.offsetTop,d=o.offsetLeft,r=o.offsetWidth,a=o.offsetHeight;o.offsetParent;)o=o.offsetParent,n+=o.offsetTop,d+=o.offsetLeft;var i=(n<=window.pageYOffset+window.innerHeight&&d<window.pageXOffset+window.innerWidth&&n+a>window.pageYOffset&&d+r>window.pageXOffset);if(i&&etargetAllowOtherCheck){allowed=!1;var c=document.createElement(\"script\");return c.src=\"\/\/hu.search.etargetnet.com\/generic\/uni.php?g=ref:58661,area:700x210\",void(document.getElementById(t)&&document.getElementById(e)&&(document.getElementById(t).parentNode.appendChild(c),document.getElementById(t).parentNode.removeChild(document.getElementById(t)),document.getElementById(e).parentNode.removeChild(document.getElementById(e)),document.removeEventListener(\"scroll\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.removeEventListener(\"resize\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.removeEventListener(\"DOMContentLoaded\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b)))}}}var etargetDivID=\"etargetPostload7a9b589f63cb072bef80df221f46a22b\",etargetScriptID=\"etargetScript7a9b589f63cb072bef80df221f46a22b\",etargetPostloadPoint=document.createElement(\"div\");etargetPostloadPoint.id=etargetDivID;var etargetCurScript=document.getElementById(etargetScriptID);etargetCurScript.parentNode.appendChild(etargetPostloadPoint),document.addEventListener(\"scroll\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.addEventListener(\"resize\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.addEventListener(\"DOMContentLoaded\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b);var etargetAllowOtherCheck=!0;if(typeof(\"forceRunPostload\")==\"string\"){etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b()}<\/script><\/div>\n<p>A <a href=\"https:\/\/www.bbc.com\/future\/article\/20260625-why-the-french-are-painting-chalk-on-their-windows\" target=\"_blank\" rel=\"noopener\">BBC<\/a> besz\u00e1mol\u00f3ja szerint a k\u00f6z\u00f6ss\u00e9gi oldalakon fut\u00f3t\u0171zk\u00e9nt terjednek azok a vide\u00f3k, amelyekben egy finom szemcs\u00e9j\u0171 kr\u00e9taport aj\u00e1nlj\u00e1k a ny\u00e1ri forr\u00f3s\u00e1g elleni v\u00e9dekez\u00e9sre. Az anyagot eredetileg tiszt\u00edt\u00f3szerk\u00e9nt haszn\u00e1lj\u00e1k, most viszont sokan az ablakokra kenik fel.<\/p>\n<p>A port v\u00edzzel \u00f6sszekeverve tejszer\u0171, feh\u00e9res bevonat keletkezik az \u00fcvegfel\u00fcleten. Ez a r\u00e9teg \u00e1tengedi a term\u00e9szetes f\u00e9ny jelent\u0151s r\u00e9sz\u00e9t, de visszaveri a napsug\u00e1rz\u00e1sb\u00f3l \u00e9rkez\u0151 h\u0151 egy r\u00e9sz\u00e9t, \u00edgy m\u00e9rs\u00e9kelheti a helyis\u00e9gek felmeleged\u00e9s\u00e9t.<\/p>\n<h2>Tudom\u00e1nyos alapja is van<\/h2>\n<p>A m\u00f3dszer m\u0171k\u00f6d\u00e9s\u00e9nek j\u00f3l ismert fizikai alapja van. A feh\u00e9r fel\u00fcletek sokkal nagyobb ar\u00e1nyban verik vissza a napsugarakat, mint a s\u00f6t\u00e9t sz\u00ednek, amelyek ink\u00e1bb elnyelik a h\u0151t.<\/p>\n<p>Ez az oka annak is, hogy a mediterr\u00e1n orsz\u00e1gokban \u00e9vsz\u00e1zadok \u00f3ta el\u0151szeretettel festik feh\u00e9rre a h\u00e1zak falait. A vil\u00e1gos fel\u00fcletek kev\u00e9sb\u00e9 forr\u00f3sodnak fel, \u00edgy az \u00e9p\u00fcletek bels\u0151 tere is h\u0171v\u00f6sebb maradhat.<\/p>\n<p>Vizsg\u00e1latok szerint egy hagyom\u00e1nyos feh\u00e9r bevonat is \u00e9rezhet\u0151en cs\u00f6kkentheti a fel\u00fcletek h\u0151m\u00e9rs\u00e9klet\u00e9t, ami a lak\u00e1sokban is kedvez\u0151bb kl\u00edm\u00e1t eredm\u00e9nyezhet.<\/p>\n<h2>A kalcium-karbon\u00e1t a titok<\/h2>\n<p>A kr\u00e9tapor f\u0151 alkot\u00f3eleme a kalcium-karbon\u00e1t, amely rendk\u00edv\u00fcl j\u00f3l veri vissza a napsug\u00e1rz\u00e1st. A kutat\u00f3k szerint ez az anyag csak nagyon kis m\u00e9rt\u00e9kben nyeli el a l\u00e1that\u00f3 f\u00e9nyt, az ultraibolya sug\u00e1rz\u00e1snak is ellen\u00e1ll, az infrav\u00f6r\u00f6s sug\u00e1rz\u00e1sb\u00f3l pedig szint\u00e9n keveset vesz fel.<\/p>\n<p>\u00c9ppen ez\u00e9rt a kalcium-karbon\u00e1tot a korszer\u0171, \u00fagynevezett nagy f\u00e9nyvisszaver\u0151 k\u00e9pess\u00e9g\u0171 bevonatok fejleszt\u00e9s\u00e9ben is alkalmazz\u00e1k.<\/p>\n<p>A Purdue Egyetem kutat\u00f3i p\u00e9ld\u00e1ul olyan k\u00fcl\u00f6nleges feh\u00e9r fest\u00e9ket fejlesztettek ki, amely a napf\u00e9ny t\u00f6bb mint 98 sz\u00e1zal\u00e9k\u00e1t k\u00e9pes visszaverni. Ez l\u00e9nyegesen jobb eredm\u00e9ny, mint amit a hagyom\u00e1nyos feh\u00e9r fest\u00e9kek ny\u00fajtanak, \u00e9s jelent\u0151s h\u0171t\u0151hat\u00e1st eredm\u00e9nyezhet az \u00e9p\u00fcleteken.<\/p>\n<h2>A tet\u0151k feh\u00e9rre fest\u00e9se is egyre n\u00e9pszer\u0171bb<\/h2>\n<p>Az ablakok mellett a tet\u0151k vil\u00e1gos sz\u00edn\u0171 bevonata is egyre n\u00e9pszer\u0171bb\u00e9 v\u00e1lik. A m\u00f3dszert D\u00e9l-Eur\u00f3p\u00e1ban r\u00e9g\u00f3ta alkalmazz\u00e1k, de ma m\u00e1r m\u00e1s orsz\u00e1gokban is vizsg\u00e1lj\u00e1k a hat\u00e1s\u00e1t.<\/p>\n<p>A University College London egyik kutat\u00e1sa szerint a feh\u00e9r vagy f\u00e9nyvisszaver\u0151 bevonattal ell\u00e1tott tet\u0151k egy kor\u00e1bbi londoni h\u0151hull\u00e1m idej\u00e9n \u00e1tlagosan k\u00f6zel 0,8 Celsius-fokkal cs\u00f6kkentett\u00e9k a v\u00e1ros h\u0151m\u00e9rs\u00e9klet\u00e9t.<\/p>\n<h2>Nem helyettes\u00edti a megfelel\u0151 szigetel\u00e9st<\/h2>\n<p>A szakemberek arra is felh\u00edvj\u00e1k a figyelmet, hogy a kr\u00e9tapor vagy m\u00e1s f\u00e9nyvisszaver\u0151 bevonat \u00f6nmag\u00e1ban nem jelent teljes megold\u00e1st. A megfelel\u0151 \u00e1rny\u00e9kol\u00e1s, a j\u00f3 h\u0151szigetel\u00e9s, az \u00e9jszakai szell\u0151ztet\u00e9s \u00e9s a korszer\u0171 ny\u00edl\u00e1sz\u00e1r\u00f3k tov\u00e1bbra is alapvet\u0151 szerepet j\u00e1tszanak abban, hogy egy \u00e9p\u00fclet a ny\u00e1ri h\u0151s\u00e9gben is kellemesebb h\u0151m\u00e9rs\u00e9klet\u0171 maradjon.<\/p>\n<p>Arra is figyelmeztetnek, hogy b\u00e1r a kalcium-karbon\u00e1t biztons\u00e1gos anyagnak sz\u00e1m\u00edt, a finom por bel\u00e9legz\u00e9se nem aj\u00e1nlott, ez\u00e9rt haszn\u00e1lata sor\u00e1n \u00e9rdemes ker\u00fclni a pork\u00e9pz\u0151d\u00e9st \u00e9s betartani az alapvet\u0151 \u00f3vint\u00e9zked\u00e9seket.<\/p>\n<p>Kor\u00e1bban \u00edrtunk m\u00e1r arr\u00f3l, hogy\u00a0<a href=\"https:\/\/sokszinuvidek.24.hu\/kertunk-portank\/2025\/07\/09\/legkondi-klima-engedely-szabalyok-csaladihaz-tarsashaz\/\" target=\"_blank\" rel=\"noopener\">milyen szab\u00e1lyoknak kell ut\u00e1nan\u00e9zni kl\u00edmatelep\u00edt\u00e9s el\u0151tt<\/a>\u00a0\u00e9s hogy\u00a0<a href=\"https:\/\/sokszinuvidek.24.hu\/eletmod\/2025\/08\/01\/tulzott-klimahasznalat-veszely-az-egeszsegre-tudogyulladas\/\" target=\"_blank\" rel=\"noopener\">vesz\u00e9lyes lehet az eg\u00e9szs\u00e9gre a t\u00falzott kl\u00edmahaszn\u00e1lat<\/a>.<\/p>\n<div class=\"o-post__articRecommend m-articRecommend -hasImg cf article-recommendation-container cf _ce_measure_widget\" data-ce-measure-widget=\"Cikkaj\u00e1nl\u00f3 widget\">\n<div class=\"m-articRecommend__widgetTitle\">Kapcsol\u00f3d\u00f3<\/div>\n<div class=\"m-articRecommend__imgWrap image-container\"><a href=\"https:\/\/sokszinuvidek.24.hu\/eletmod\/2026\/06\/20\/egyiptomi-modszer-hoseg-alvas\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"270\" src=\"https:\/\/s.24.hu\/app\/uploads\/sites\/11\/2026\/06\/12161-e1773167066879-480x270.jpg\" class=\"img-responsive wp-post-image\" alt=\"\" \/><\/a><\/div>\n<div class=\"m-articRecommend__cntWrap content-container \">\n\t\t\t<a href=\"https:\/\/sokszinuvidek.24.hu\/eletmod\/2026\/06\/20\/egyiptomi-modszer-hoseg-alvas\/\" target=\"_self\" class=\"m-articRecommend__title ar-title\">Az egyiptomi m\u00f3dszer seg\u00edthet h\u0151s\u00e9gben elaludni<\/a>\n<div class=\"m-articRecommend__lead ar-lead\">L\u00e9gkondi \u00e9s ventil\u00e1tor n\u00e9lk\u00fcl is h\u0171s\u00f6lhet\u00fcnk.<\/div>\n<\/div>\n<\/div>\n<p>The post <a href=\"https:\/\/sokszinuvidek.24.hu\/mozaik\/2026\/07\/02\/hoseg-kretapor-franciaorszag-fenyvisszaveres\/\" target=\"_blank\">Ez\u00e9rt lett h\u0151s\u00e9gben hi\u00e1nycikk a kr\u00e9tapor Franciaorsz\u00e1gban<\/a> first appeared on <a href=\"https:\/\/sokszinuvidek.24.hu\/\" target=\"_blank\">Soksz\u00edn\u0171 vid\u00e9k<\/a>.<\/p><div id=\"friss-2515629346\" class=\"friss-etarget-cikk-vege friss-entity-placement\"><script type=\"text\/javascript\" id=\"etargetScript7a9b589f63cb072bef80df221f46a22b\">function 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id=\"friss-1660436133\" class=\"friss-after-content_3 friss-entity-placement\">https:\/\/www.youtube.com\/watch?v=Pdnw4KiUWp0<\/div>","protected":false},"excerpt":{"rendered":"<p>A ny\u00e1ri h\u0151hull\u00e1mok egyre nagyobb kih\u00edv\u00e1st jelentenek Eur\u00f3pa-szerte, ez\u00e9rt sokan keresnek olyan megold\u00e1sokat, amelyek l\u00e9gkondicion\u00e1l\u00f3 n\u00e9lk\u00fcl, vagy \u00e9ppen azt kieg\u00e9sz\u00edtve m\u00e9rs\u00e9kelhetik a lak\u00e1sok felmeleged\u00e9s\u00e9t. Franciaorsz\u00e1gban az ut\u00f3bbi hetekben egy meglep\u0151 m\u00f3dszer ker\u00fclt a figyelem k\u00f6z\u00e9ppontj\u00e1ba: annyian kezdt\u00e9k v\u00e1s\u00e1rolni a kr\u00e9taport, hogy t\u00f6bb helyen k\u00e9szlethi\u00e1ny alakult ki. A BBC besz\u00e1mol\u00f3ja szerint a k\u00f6z\u00f6ss\u00e9gi oldalakon fut\u00f3t\u0171zk\u00e9nt terjednek [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-168573","post","type-post","status-publish","format-standard","hentry","category-videk"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts\/168573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/comments?post=168573"}],"version-history":[{"count":0,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts\/168573\/revisions"}],"wp:attachment":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/media?parent=168573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/categories?post=168573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/tags?post=168573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}