{"id":4482,"date":"2017-01-25T15:33:42","date_gmt":"2017-01-25T12:33:42","guid":{"rendered":"http:\/\/lange.lt\/en\/?page_id=4482"},"modified":"2017-05-31T21:48:00","modified_gmt":"2017-05-31T18:48:00","slug":"passive-windows","status":"publish","type":"page","link":"https:\/\/www.lange.lt\/en\/windows\/passive-windows\/","title":{"rendered":"Passive windows"},"content":{"rendered":"<div class=\"fusion-title title fusion-title-size-one\"><h1 class=\"title-heading-left\">Passive windows<\/h1><div class=\"title-sep-container\"><div class=\"title-sep sep-single\"><\/div><\/div><\/div><div class=\"fusion-one-half fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:0px;\"><div class=\"fusion-column-wrapper\"><p>Rising prices of energy resources led to an increasing emphasis on construction of passive houses. Based on calculations pay-off of investment to a passive house occurs already within the first 10 years. Therefore, more and more customers are interested in windows of a passive house. Such windows are characterised by a high level of thermal resistance, i.e. the rate of heat loss is significantly lower compared to ordinary windows. In order to permanently reduce heating costs passive windows can be mounted both in a new and renovation construction.<br \/>\nPassive windows ensure a maximum thermal, wind and sound insulation. Our windows made of a lead-free six-chambered VEKA ALPHALINE PLUS profile with a total width of a casing and a panel of up to 118 mm meet the requirements of passive windows. The German concern VEKA is an exclusive manufacturer of this profile. The products and brands of the concern are recognized worldwide. The company was awarded and recognized as the most innovative manufacturer of window profiles. It received award for the profile VEKA ALPHALINE PLUS that was acknowledged as an innovative construction product. In terms of their technical properties windows of this profile correspond to class A. Thanks to a special set of equipment and solutions it is possible to achieve a thermal resistance of even U = 0,64 W\/m2K.<\/p>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-half fusion-layout-column fusion-column-last fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:0px;\"><div class=\"fusion-column-wrapper\"><div class=\"fusion-slider-sc flexslider flexslider-hover-type-none\" style=\"max-width:100%;height:100%;\"><ul class=\"slides\"><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_1]\" href=\"PVC sliding system passive\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/803.jpg\" \/><\/span><\/a><\/li><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_1]\" href=\"Timber slyding system passive\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/802.jpg\" \/><\/span><\/a><\/li><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_1]\" href=\"Passive glass walls\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/801.jpg\" \/><\/span><\/a><\/li><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_1]\" href=\"Veka passive color palette\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/801.png\" \/><\/span><\/a><\/li><\/ul><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"fusion-one-half fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:0px;\"><div class=\"fusion-column-wrapper\"><div class=\"fusion-slider-sc flexslider flexslider-hover-type-none\" style=\"max-width:100%;height:100%;\"><ul class=\"slides\"><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_2]\" href=\"PASSIVE WINDOWS VEKA ALPHALINE 90 MD \" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/201.jpg\" \/><\/span><\/a><\/li><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_2]\" href=\"Passive windows Veka thermo picture\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/202.jpg\" \/><\/span><\/a><\/li><li class=\"image\"><a class=\"lightbox-enabled\" data-rel=\"prettyPhoto[gallery_slider_2]\" href=\"passive windows colours\" target=\"_self\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/2031.png\" \/><\/span><\/a><\/li><\/ul><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-half fusion-layout-column fusion-column-last fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:0px;\"><div class=\"fusion-column-wrapper\"><p class=\"western\"><strong><span style=\"color: #333333;\"><span style=\"font-family: 'PT Sans', Arial;\"><span style=\"font-size: medium;\"><span lang=\"en-GB\">The following aspects guarantee particularly good thermal properties of VEKA ALPHALINE PLUS windows: <\/span><\/span><\/span><\/span><\/strong><\/p>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:-27px;\"><\/div><div class=\"accordian fusion-accordian\"><div class=\"panel-group\" id=\"accordion-4482-1\"><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-1\" data-target=\"#658b995cd72cf27d8\" href=\"#658b995cd72cf27d8\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">A special insulated profile <\/div><\/a><\/h4><\/div><div id=\"658b995cd72cf27d8\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">A thermal module is integrated in a six-chambered profile with a thickness of 90 mm and inserted into the largest frame chamber. A thermal module is a polystyrene filler that increases a thermal factor of a window by a value point of 0.1 U.<\/div><\/div><\/div><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-1\" data-target=\"#2e8ceff3911293992\" href=\"#2e8ceff3911293992\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">Heat-retentive glazed unit. <\/div><\/a><\/h4><\/div><div id=\"2e8ceff3911293992\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">An opportunity to integrate triple glazed units with a thickness of up to 50 mm. Two selective glasses and heat-retentive thermal frames ensure even better thermal properties of windows.<\/div><\/div><\/div><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-1\" data-target=\"#db1e7aac327a16063\" href=\"#db1e7aac327a16063\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">A greater tightness <\/div><\/a><\/h4><\/div><div id=\"db1e7aac327a16063\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">Three resilient and durable gaskets integrated in the window profile over a whole perimeter ensure the maximum tightness of windows.<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:25px;\"><\/div><p class=\"western\"><strong><span style=\"color: #333333;\"><span style=\"font-family: 'PT Sans', Arial;\"><span style=\"font-size: medium;\"><span lang=\"en-GB\">The following aspects ensure rigidity of windows: <\/span><\/span><\/span><\/span><\/strong><\/p>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:-27px;\"><\/div><div class=\"accordian fusion-accordian\"><div class=\"panel-group\" id=\"accordion-4482-2\"><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-2\" data-target=\"#42bb4017030c1efd2\" href=\"#42bb4017030c1efd2\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">An exclusively rigid structure of a plastic profile <\/div><\/a><\/h4><\/div><div id=\"42bb4017030c1efd2\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">\n<p class=\"western\"><span style=\"color: #333333;\"><span style=\"font-size: medium;\"><span lang=\"en-GB\">Windows are manufactured of a six-chambered profile with a thickness of 90 mm that is manufactured of unprocessed plastic. The profile walls with a thickness of 3 mm prevent deformation and heat loss.<\/span><\/span><\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-2\" data-target=\"#e0e8234995f88291a\" href=\"#e0e8234995f88291a\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">A specially modelled and thickened reinforcement <\/div><\/a><\/h4><\/div><div id=\"e0e8234995f88291a\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">\n<p class=\"western\"><span style=\"color: #333333;\"><span style=\"font-size: medium;\"><span lang=\"en-GB\">A square 1.75 mm steel reinforcement with a double folding wall used in the profile guarantees a rigidity of window systems and an opportunity to manufacture large structures. <\/span><\/span><\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:25px;\"><\/div><p class=\"western\"><strong><span style=\"color: #333333;\"><span style=\"font-family: 'PT Sans', Arial;\"><span style=\"font-size: medium;\"><span lang=\"en-GB\">The following aspects ensure durability of windows: <\/span><\/span><\/span><\/span><\/strong><\/p>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:-27px;\"><\/div><div class=\"accordian fusion-accordian\"><div class=\"panel-group\" id=\"accordion-4482-3\"><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-3\" data-target=\"#2b5e1830902695288\" href=\"#2b5e1830902695288\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">A quality plastic coating <\/div><\/a><\/h4><\/div><div id=\"2b5e1830902695288\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">A VEKA ALPHALINE profile is manufactured of unprocessed plastic. Therefore, it meets the highest performance standards. To ensure a long-term resistance of a colour to environmental effects it is applied during the manufacture process. <\/div><\/div><\/div><div class=\"fusion-panel panel-default\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\"><a data-toggle=\"collapse\" data-parent=\"#accordion-4482-3\" data-target=\"#4dba1632dc40958e4\" href=\"#4dba1632dc40958e4\"><div class=\"fusion-toggle-icon-wrapper\"><i class=\"fa-fusion-box\"><\/i><\/div><div class=\"fusion-toggle-heading\">Firm fittings of famous manufacturers <\/div><\/a><\/h4><\/div><div id=\"4dba1632dc40958e4\" class=\"panel-collapse collapse \"><div class=\"panel-body toggle-content\">We use exclusively fittings of well-known and reliable manufacturers (WINK HAUS, ROTO FRANK, SIEGENIA AUBI) because only properly installed and rigid fittings ensure tightness and irreproachable use of windows.<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"fusion-title title fusion-title-size-one\"><h1 class=\"title-heading-left\">Color chart<\/h1><div class=\"title-sep-container\"><div class=\"title-sep sep-single\"><\/div><\/div><\/div><div class=\"fusion-one-full fusion-layout-column fusion-column-last fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper\"><div class=\"fusion-slider-sc flexslider flexslider-hover-type-none WEWE1\" style=\"max-width:100%;height:100%;\" id=\"WEWE2\"><ul class=\"slides\"><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/501.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/503.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/504.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/505.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/506.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/507.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/508.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/509.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/510.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/511.jpg\" \/><\/span><\/li><li class=\"image\"><span class=\"hover-type-none\"><img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/09\/512.jpg\" \/><\/span><\/li><\/ul><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"fusion-title title fusion-title-size-one\"><h1 class=\"title-heading-left\">Related categories<\/h1><div class=\"title-sep-container\"><div class=\"title-sep sep-single\"><\/div><\/div><\/div><div class=\"fusion-one-fifth fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:3%;\"><div class=\"fusion-column-wrapper\" style=\"background-color:#F9F9F9;\"><div class=\"imageframe-align-center\"><span class=\"fusion-imageframe imageframe-none imageframe-1 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"http:\/\/lange.lt\/en\/windows\/plastic-windows\/\" target=\"_self\"> <img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/06\/plastikiniai-langai-vid2.png\" alt=\"Plastic windows\" class=\"img-responsive\"\/><\/a><\/span><\/div><h4 style=\"text-align: center; margin: 5% 0% 2.75% 0%;\"><a href=\"http:\/\/lange.lt\/en\/windows\/plastic-windows\/\">Plastic windows<\/a><\/h4>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:5px;margin-bottom:5px;\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-fifth fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:3%;\"><div class=\"fusion-column-wrapper\" style=\"background-color:#F9F9F9;\"><div class=\"imageframe-align-center\"><span class=\"fusion-imageframe imageframe-none imageframe-2 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"http:\/\/lange.lt\/en\/windows\/wooden-windows\/\" target=\"_self\"> <img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/06\/mediniai-langai-vid2.png\" alt=\"wooden windows\" class=\"img-responsive\"\/><\/a><\/span><\/div><h4 style=\"text-align: center; 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margin: 5% 0% 2.75% 0%;\"><a href=\"http:\/\/lange.lt\/en\/windows\/aluminum-windows\/\">Aluminum windows<\/a><\/h4>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:5px;margin-bottom:5px;\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-fifth fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:3%;\"><div class=\"fusion-column-wrapper\" style=\"background-color:#F9F9F9;\"><div class=\"imageframe-align-center\"><span class=\"fusion-imageframe imageframe-none imageframe-4 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"http:\/\/lange.lt\/en\/windows\/windows-scandinavian-type\/\" target=\"_self\"> <img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/06\/skandinavisko-tipo-langai-vid2.png\" alt=\"windows of scandinavian type \" class=\"img-responsive\"\/><\/a><\/span><\/div><h4 style=\"text-align: center; 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margin: 5% 0% 2.75% 0%;\"><a href=\"http:\/\/lange.lt\/en\/windows\/glass-packets\/\">Glass packets<\/a><\/h4>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:5px;margin-bottom:5px;\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-fifth fusion-layout-column fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:3%;\"><div class=\"fusion-column-wrapper\" style=\"background-color:#F9F9F9;\"><div class=\"imageframe-align-center\"><span class=\"fusion-imageframe imageframe-none imageframe-7 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\" http:\/\/lange.lt\/en\/windows\/sliding-systems\/\" target=\"_self\"> <img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/06\/stumdomos-sitemos-vid.png\" alt=\"Sliding systems\" class=\"img-responsive\"\/><\/a><\/span><\/div><h4 style=\"text-align: center; margin: 5% 0% 2.75% 0%;\"><a href=\"http:\/\/lange.lt\/en\/windows\/sliding-systems\/\">Sliding systems<\/a><\/h4>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:5px;margin-bottom:5px;\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-one-fifth fusion-layout-column fusion-column-last fusion-spacing-yes\" style=\"margin-top:0px;margin-bottom:3%;\"><div class=\"fusion-column-wrapper\" style=\"background-color:#F9F9F9;\"><div class=\"imageframe-align-center\"><span class=\"fusion-imageframe imageframe-none imageframe-8 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"http:\/\/lange.lt\/en\/windows\/window-accessories\/\" target=\"_self\"> <img decoding=\"async\" src=\"http:\/\/lange.lt\/wp-content\/uploads\/2015\/06\/pa.png\" alt=\"window accessories\" class=\"img-responsive\"\/><\/a><\/span><\/div><h4 style=\"text-align: center; margin: 5% 0% 2.75% 0%;\"><a href=\"http:\/\/lange.lt\/en\/windows\/window-accessories\/\">Window accessories<\/a><\/h4>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep sep-none\" style=\"border-color:#e0dede;margin-left: auto;margin-right: auto;margin-top:5px;margin-bottom:5px;\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":4393,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-4482","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Passive windows - extra energy saving windows !<\/title>\n<meta name=\"description\" content=\"Energy saving windows VEKA Alphaline 90 MD for passive houses. 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