{"id":114,"date":"2021-04-24T15:03:06","date_gmt":"2021-04-24T13:03:06","guid":{"rendered":"http:\/\/novy.eprukaz.profi.ci\/?page_id=114"},"modified":"2024-12-16T12:07:22","modified_gmt":"2024-12-16T11:07:22","slug":"soucinitel-prostupu-tepla","status":"publish","type":"page","link":"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/soucinitel-prostupu-tepla\/","title":{"rendered":"Sou\u010dinitel prostupu tepla"},"content":{"rendered":"        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p class=\"has-medium-font-size\"><em><strong><strong><em>Sou\u010dinitel prostupu tepla je m\u00edra, kter\u00e1 vyjad\u0159uje, jak dob\u0159e konstrukce (nap\u0159\u00edklad okna, dve\u0159e, st\u011bny, st\u0159echy) propou\u0161t\u00ed teplo. Ozna\u010duje se p\u00edsmenem U&nbsp;a ud\u00e1v\u00e1 se v&nbsp;jednotk\u00e1ch W\/(m\u00b2\u00b7K), co\u017e znamen\u00e1 watt na metr \u010dtvere\u010dn\u00ed teplotn\u00edho rozd\u00edlu v&nbsp;kelvinech,. Jak ji vypo\u010d\u00edtat? A&nbsp;co s&nbsp;tou hodnotou m\u016f\u017eete v&nbsp;praxi d\u011blat? Zjist\u00edte d\u00e1le v&nbsp;textu.<\/em><\/strong><\/strong><\/em><\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Pro\u010d a&nbsp;kdy se pou\u017e\u00edv\u00e1 sou\u010dinitel prostupu tepla?<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>Zejm\u00e9na:<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-list typography\">\n          <div class=\"container-xl\">\n              \n<ul class=\"wp-block-list\">\n<li>Pro zhodnocen\u00ed a&nbsp;v\u00fdb\u011br stavebn\u00edch materi\u00e1l\u016f (s ohledem na jejich tepeln\u011b izola\u010dn\u00ed vlastnosti).<\/li>\n\n\n\n<li>B\u011bhem n\u00e1vrhu a&nbsp;optimalizace energetick\u00e9 efektivity budov. Pom\u00e1h\u00e1 minimalizovat <a href=\"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/tepelne-ztraty\/\">tepeln\u00e9 ztr\u00e1ty<\/a> a&nbsp;sn\u00ed\u017eit spot\u0159ebu energie na vyt\u00e1p\u011bn\u00ed a&nbsp;chlazen\u00ed.<\/li>\n\n\n\n<li>Pro spln\u011bn\u00ed stavebn\u00edch p\u0159edpis\u016f a&nbsp;norem t\u00fdkaj\u00edc\u00edch se energetick\u00e9 efektivity budov.<\/li>\n<\/ul>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Jak\u00e9 jsou praktick\u00e9 d\u016fsledky a&nbsp;aplikace U\u2011hodnoty?<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-list typography\">\n          <div class=\"container-xl\">\n              \n<ul class=\"wp-block-list\">\n<li><strong>Sn\u00ed\u017een\u00ed tepeln\u00fdch ztr\u00e1t <\/strong>\u2013&nbsp;budovy s&nbsp;konstruk\u010dn\u00edmi prvky s&nbsp;n\u00edzk\u00fdmi U\u2011hodnotami v&nbsp;zim\u011b l\u00e9pe udr\u017euj\u00ed teplo a&nbsp;v l\u00e9t\u011b zase chlad. To vede ke sn\u00ed\u017een\u00ed spot\u0159eby vyt\u00e1p\u011bn\u00ed a&nbsp;chlazen\u00ed, a&nbsp;t\u00edm k&nbsp;ni\u017e\u0161\u00edm n\u00e1klad\u016fm na energie.<\/li>\n\n\n\n<li><strong>Zdrav\u00ed a&nbsp;kvalita vnit\u0159n\u00edho prost\u0159ed\u00ed<\/strong> \u2013&nbsp;d\u00edky udr\u017eov\u00e1n\u00ed st\u011bn a&nbsp;okenn\u00edch r\u00e1m\u016f v&nbsp;teple se sni\u017euje riziko kondenzace a&nbsp;n\u00e1sledn\u00e9ho v\u00fdskytu pl\u00edsn\u00ed, co\u017e m\u00e1 pozitivn\u00ed vliv na zdrav\u00ed obyvatel.<\/li>\n\n\n\n<li><strong>Sn\u00ed\u017een\u00ed emis\u00ed CO<sub>2<\/sub><\/strong> \u2013 ni\u017e\u0161\u00ed pot\u0159ebou vyt\u00e1p\u011bn\u00ed a&nbsp;chlazen\u00ed doch\u00e1z\u00ed tak\u00e9 k&nbsp;redukci emis\u00ed sklen\u00edkov\u00fdch plyn\u016f spojen\u00fdch s&nbsp;v\u00fdrobou energie.<\/li>\n\n\n\n<li><strong>Zv\u00fd\u0161en\u00ed tr\u017en\u00ed hodnoty nemovitosti<\/strong> \u2013 budovy s&nbsp;lep\u0161\u00ed energetickou efektivitou jsou pro kupuj\u00edc\u00ed nebo n\u00e1jemn\u00edky atraktivn\u011bj\u0161\u00ed nebo n\u00e1jemn\u00edky, co\u017e m\u016f\u017ee v\u00e9st k&nbsp;vy\u0161\u0161\u00ed tr\u017en\u00ed hodnot\u011b.<\/li>\n\n\n\n<li><strong>Spln\u011bn\u00ed legislativy a&nbsp;z\u00edsk\u00e1n\u00ed certifik\u00e1t\u016f<\/strong><\/li>\n<\/ul>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Sou\u010dinitel prostupu tepla v\u00fdpo\u010det<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>V\u00fdpo\u010det U\u2011hodnoty se prov\u00e1d\u00ed na z\u00e1klad\u011b <strong>materi\u00e1l\u016f a&nbsp;konstrukce konkr\u00e9tn\u00edho stavebn\u00edho prvku<\/strong>. Zahrnuje <strong>v\u0161echny vrstvy a&nbsp;komponenty<\/strong> a&nbsp;je d\u016fle\u017eit\u00fdm n\u00e1strojem pro projektanty a&nbsp;in\u017een\u00fdry p\u0159i n\u00e1vrhu energeticky \u00fa\u010dinn\u00fdch budov.<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>Vypo\u010d\u00edt\u00e1v\u00e1 se jako <strong>inverze sou\u010dtu tepeln\u00fdch odpor\u016f jednotliv\u00fdch vrstev konstrukce<\/strong> a&nbsp;<strong>p\u0159\u00edpadn\u00fdch p\u0159echodov\u00fdch tepeln\u00fdch odpor\u016f<\/strong>. V\u00fdsledek pak vyjad\u0159uje,<strong> kolik tepla (v Joulech) projde p\u0159es konstrukci o&nbsp;plo\u0161e jednoho metru \u010dtvere\u010dn\u00edho a&nbsp;o teplotn\u00edm rozd\u00edlu jednoho stupn\u011b Kelvin<\/strong> mezi jej\u00edmi stranami za jednotku \u010dasu (1 vte\u0159ina).<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p><strong>Sou\u010dinitel prostupu tepla \u2013 vzorec<\/strong><strong>:<\/strong><\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>U = 1 \/ (R<sub>i <\/sub>+ R + R<sub>e<\/sub>)<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>\u010c\u00edm ni\u017e\u0161\u00ed je U\u2011hodnota, t\u00edm lep\u0161\u00ed je tepeln\u00e1 izolace. To znamen\u00e1, \u017ee m\u00e9n\u011b tepla unik\u00e1 z&nbsp;vnit\u0159n\u00edho prostoru do vn\u011bj\u0161ku nebo naopak.<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>Ned\u011bste se \u2013&nbsp;tyto v\u00fdpo\u010dty nepot\u0159ebujete zn\u00e1t. To je pr\u00e1ce projektant\u016f a&nbsp;in\u017een\u00fdr\u016f.<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Co ovliv\u0148uje hodnotu U?<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-list typography\">\n          <div class=\"container-xl\">\n              \n<ul class=\"wp-block-list\">\n<li>typ materi\u00e1l\u016f v&nbsp;dan\u00e9 konstrukce<\/li>\n\n\n\n<li>tlou\u0161\u0165ka jednotliv\u00fdch vrstev<\/li>\n\n\n\n<li>vlhkost obsa\u017een\u00e1 v&nbsp;materi\u00e1lu<\/li>\n\n\n\n<li>kotven\u00ed izolace<\/li>\n\n\n\n<li>sm\u011br toku tepla p\u0159es konstrukci (vodorovn\u00fd, dolu nebo nahoru)<\/li>\n\n\n\n<li>prost\u0159ed\u00ed na ochlazen\u00e9 stran\u011b konstrukce (vn\u011bj\u0161\u00ed vzduch, zemina \u010di vnit\u0159n\u00ed prostor)<\/li>\n<\/ul>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Jak\u00e1 existuje pro sou\u010dinitel prostupu tepla&nbsp;norma?&nbsp;<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>Maxim\u00e1ln\u00ed hodnoty U&nbsp;definuje<strong> \u010desk\u00e1 norma \u010cSN 73 0540\u2009\u2013\u20092<\/strong>. Dozv\u00edte se v&nbsp;n\u00ed v\u0161e pot\u0159ebn\u00e9 \u2013 nap\u0159\u00edklad <strong>sou\u010dinitel prostupu tepla <\/strong><a href=\"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/pasivni-dum\/\"><strong>pasivn\u00ed d\u016fm<\/strong><\/a> nebo maxim\u00e1ln\u00ed p\u0159\u00edpustn\u00e9 hodnoty pro okna v&nbsp;obvodov\u00e9 zdi. Kde sou\u010dinitel tepla najdete?<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p>Uv\u00e1d\u00edme ho pro jednotliv\u00e9 konstrukce ve v\u00fdpo\u010dtu <a href=\"https:\/\/www.eprukaz.cz\/prukaz-energeticke-narocnosti\/\">PENB<\/a>, <a href=\"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/energeticky-posudek\/\">energetick\u00e9m posudku<\/a> \u010di <a href=\"https:\/\/www.eprukaz.cz\/poradna\/energeticky-audit\/\">auditu<\/a>.&nbsp;<\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p><strong>Pokud \u017e\u00e1d\u00e1te o&nbsp;<\/strong><a href=\"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/nova-zelena-usporam\/\"><strong>dotace<\/strong><\/a><strong>, pak si dejte pozor na <\/strong><strong>po\u017eadavky na sou\u010dinitel prostupu tepla<\/strong><strong> <\/strong><strong>materi\u00e1l\u016f<\/strong><strong> u&nbsp;rekonstruovan\u00fdch konstrukc\u00ed u&nbsp;novostavby pasivn\u00edho domu. Aby v\u00e1m dotace mohla b\u00fdt p\u0159izn\u00e1na, mus\u00edte je splnit<\/strong><\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-paragraph my-3 typography\">\n          <div class=\"container-xl\">\n              \n<p class=\"has-text-align-left\"><strong>K \u017e\u00e1dosti o&nbsp;dotaci budete pot\u0159ebovat pr\u016fkaz energetick\u00e9 n\u00e1ro\u010dnosti budovy. Z\u00edskejte ho snadno a&nbsp;<\/strong><a href=\"https:\/\/www.eprukaz.cz\/ziskat-prukaz-penb\/\"><strong>online<\/strong><\/a><strong>.<\/strong><\/p>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-heading typography\">\n          <div class=\"container-xl\">\n              \n<h2 class=\"wp-block-heading\">Souvisej\u00edc\u00ed t\u00e9mata<\/h2>\n          <\/div>\n      <\/div>\n\n\n        <div class=\"component component-gutenberg-list typography\">\n          <div class=\"container-xl\">\n              \n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.eprukaz.cz\/poradna\/penb-bytu\/\">Pr\u016fkaz energetick\u00e9 n\u00e1ro\u010dnosti bytu<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.eprukaz.cz\/poradna\/pojmy-z-oblasti-penb\/energeticky-posudek\/\">Energetick\u00fd posudek<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.eprukaz.cz\/poradna\/energeticky-audit\/\">Energetick\u00fd audit<\/a><\/li>\n<\/ul>\n          <\/div>\n      <\/div>\n\n\n        <div id=\"component-5aa114688260354c281b8106d5d4481f\" class=\"component component-banner-peneb my-5\">\n          <div class=\"container-xl\">\n              <div class=\"bg-primary text-white p-5 p-md-6\">\n          <div class=\"text-lg mb-3 mb-md-4\">Z\u00edskejte PENB od ePrukaz.cz,<br>jako u\u017e stovky na\u0161ich spokojen\u00fdch klient\u016f.<\/div>\n              <div class=\"text-xl mb-4\">Od 4 719 K\u010d \/ Do 10&nbsp;dn\u016f<\/div>\n                      <a href=\"https:\/\/www.eprukaz.cz\/prukaz-energeticke-narocnosti\/\" class=\"d-inline-flex align-items-center justify-content-center btn btn-secondary btn-mobile-full\" target=\"_self\">\n              Z\u00edskat pr\u016fkaz PENB\n        <\/a>\n\n      <\/div>\n          <\/div>\n      <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sou\u010dinitel prostupu tepla je m\u00edra, kter\u00e1 vyjad\u0159uje, jak dob\u0159e konstrukce (nap\u0159\u00edklad okna, dve\u0159e, st\u011bny, st\u0159echy) propou\u0161t\u00ed teplo. Ozna\u010duje se p\u00edsmenem U&nbsp;a ud\u00e1v\u00e1 se v&nbsp;jednotk\u00e1ch W\/(m\u00b2\u00b7K), co\u017e znamen\u00e1 watt na metr \u010dtvere\u010dn\u00ed teplotn\u00edho rozd\u00edlu v&nbsp;kelvinech,. Jak ji vypo\u010d\u00edtat? A&nbsp;co s&nbsp;tou hodnotou m\u016f\u017eete v&nbsp;praxi d\u011blat? Zjist\u00edte d\u00e1le v&nbsp;textu. Pro\u010d a&nbsp;kdy se pou\u017e\u00edv\u00e1 sou\u010dinitel prostupu tepla? Zejm\u00e9na: Jak\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"consulting.php","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-114","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/pages\/114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/comments?post=114"}],"version-history":[{"count":8,"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/pages\/114\/revisions"}],"predecessor-version":[{"id":1945,"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/pages\/114\/revisions\/1945"}],"up":[{"embeddable":true,"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/pages\/6"}],"wp:attachment":[{"href":"https:\/\/www.eprukaz.cz\/wp-json\/wp\/v2\/media?parent=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}