{"id":2775,"date":"2023-06-05T11:02:32","date_gmt":"2023-06-05T16:02:32","guid":{"rendered":"https:\/\/www.nwglassfab.com\/?p=2775"},"modified":"2023-06-06T12:38:35","modified_gmt":"2023-06-06T17:38:35","slug":"what-is-low-e","status":"publish","type":"post","link":"https:\/\/www.nwglassfab.com\/what-is-low-e\/","title":{"rendered":"What is Low-E?"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_one_full  avia-builder-el-first   container_wrap fullsize'  ><div  class='avia-slideshow av-lbpguwi4-c00e27e222b80c12376f7fa2b06d5f11 av-control-default avia-slideshow-featured av_slideshow_full avia-slide-slider av-default-height-applied   avia-slideshow-1'  data-size='featured'  data-lightbox_size='large'  data-animation='slide'  data-conditional_play=''  data-ids='2776'  data-video_counter='0'  data-autoplay='false'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow_full'  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data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" class=\"wp-image-2776 avia-img-lazy-loading-not-2776\"  src=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/06\/Image6-1469x430.jpeg\" width=\"1469\" height=\"430\" title='Image6' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-2775'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-a40h1d-8175dd23bd6041aec788f2212652ba90 sc-av_one_full av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-a40h1d-8175dd23bd6041aec788f2212652ba90\">\n#top .flex_column_table.av-equal-height-column-flextable.av-a40h1d-8175dd23bd6041aec788f2212652ba90{\nmargin-top:-100px;\nmargin-bottom:0px;\n}\n.flex_column.av-a40h1d-8175dd23bd6041aec788f2212652ba90{\npadding:10px 0 0 0;\nbackground-color:#ffffff;\n}\n<\/style>\n<div class='flex_column av-a40h1d-8175dd23bd6041aec788f2212652ba90 av_one_full  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_full  avia-builder-el-first  first flex_column_table_cell av-equal-height-column av-align-middle '   ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbpguhen-f2d839bb0d7815d89cf51dce485bdb73\">\n#top .av-special-heading.av-lbpguhen-f2d839bb0d7815d89cf51dce485bdb73{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lbpguhen-f2d839bb0d7815d89cf51dce485bdb73 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lbpguhen-f2d839bb0d7815d89cf51dce485bdb73 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  id=\"custom-page-header\"  class='av-special-heading av-lbpguhen-f2d839bb0d7815d89cf51dce485bdb73 av-special-heading-h1 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-2  el_before_av_post_metadata  avia-builder-el-first '><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >What is Low-E?<\/h1><div class='av-subheading av-subheading_below'><p>By: Lauren Chorzempa<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='av-post-metadata-container av-xnolt-996dc203fd25bb0525c0ad062f95a68f av-metadata-container-align-center  avia-builder-el-3  el_after_av_heading  avia-builder-el-last  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-modified\"><span class=\"av-post-metadata-modified-date\" >June 6, 2023<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">|<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">in<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.nwglassfab.com\/category\/news\/\" >News<\/a><\/span><\/span><\/span><\/div><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><div class='flex_column av-3n2mlt-b047497296e445894f3ce265d5b7d0a2 av_one_full  avia-builder-el-4  el_after_av_one_full  el_before_av_social_share  first flex_column_div column-top-margin'   ><section  class='av_textblock_section av-2ivfu9-9ed01740c3fb223654ac9c5861a39289'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>What is Low-E? Low-E stands for Low Emissivity glass. Low emissivity glass is used to regulate temperature control in both residential and commercial applications.<\/p>\n<p>Low-E is a type of coating that is applied to the surface of glass to minimize the amount of UV and infrared light that passes throughthe glass, while maximizing the amount of visible light that shines through. Low-E glass can provide up to 70% less UV transmission when compared to traditional clear glazing. In the summer, Low-E helps to send the heat back out into the atmosphere and keep the inside cool, and in the winter, its reflective properties help to keep heat in the home.<\/p>\n<p>There are two different types of low-e coatings: both hard and soft coat, which are applied to the interior surface of insulated units. While both hard and soft coats serve the general purpose of regulating temperate control, they do have differences and each has its own advantages and disadvantages.<\/p>\n<p><strong><a name=\"_46uzs5bqs65r\"><\/a><span class=\"s7\">What <\/span><span class=\"s7\">is the <\/span><span class=\"s7\">difference between a<\/span><span class=\"s7\"> hard coat and soft coat<\/span><span class=\"s7\">?<\/span><\/strong><\/p>\n<p class=\"s11\"><span class=\"s9\">There are two main types of low emissivi<\/span><span class=\"s9\">ty glass<\/span><span class=\"s9\">. Hard<\/span><span class=\"s9\"> coat low e glass, <\/span><span class=\"s9\">als<\/span><span class=\"s9\">o known as passive solar glass, i<\/span><span class=\"s9\">s created when a thin layer of silver oxide coating is poured or sprayed on to the glass <\/span><span class=\"s10\">during<\/span><span class=\"s9\"> production at a high temperature. <\/span><span class=\"s9\">This process welds the coating to the glass, making it harder to scratch. \u00a0Hard coat low-E glass is commonly used<\/span><span class=\"s9\"> on surface 3, which <\/span><span class=\"s9\">is favored in<\/span><span class=\"s9\"> Northern climates <\/span><span class=\"s9\">where heating costs exceed cooling costs<\/span><span class=\"s9\">. <\/span><span class=\"s9\">By <\/span><span class=\"s9\">applying the coating to<\/span><span class=\"s9\"> surface 3<\/span><span class=\"s9\">, it<\/span><span class=\"s9\">increases the amount of solar energy <\/span><span class=\"s9\">that passes<\/span><span class=\"s9\">through to the interior, <\/span><span class=\"s9\">reducing <\/span><span class=\"s9\">the cost <\/span><span class=\"s9\">of heating a home or business<\/span><span class=\"s9\">. <\/span><span class=\"s9\">Hard coat <\/span><span class=\"s9\">low-E glass tends to be a more cost-effective<\/span><span class=\"s9\"> option than soft coat due to the <\/span><span class=\"s9\">number of layers <\/span><span class=\"s9\">that need to be applied. However, <\/span><span class=\"s9\">it is not as <\/span><span class=\"s9\">energy efficient<\/span><span class=\"s9\"> as soft coat, allowing more UV and infrared light to pass through, which may result in higher heating cost.<\/span><\/p>\n<p><span class=\"s9\">Soft coat low-E glass, <\/span><span class=\"s9\">al<\/span><span class=\"s9\">so known as solar control glass,<\/span> <span class=\"s9\">is created when the<\/span> <span class=\"s9\">s<\/span><span class=\"s9\">ame layer of silver oxide coating is applied to the glass after production, often <\/span><span class=\"s9\">in 2-3 fine layers. \u00a0This process results in better clarity, but the glass is more prone<\/span><span class=\"s9\"> to scratching due to <\/span><span class=\"s9\">its delicate nature<\/span><span class=\"s9\">.<\/span><span class=\"s9\"> Soft coat <\/span><span class=\"s9\">low-E<\/span><span class=\"s9\"> is typically applied to surface 2. <\/span><span class=\"s9\">Soft coat <\/span><span class=\"s9\">low-E glass <\/span><span class=\"s9\">tends to be more expensive than hard coat due to the <\/span><span class=\"s9\">number of layers<\/span><span class=\"s9\"> of silveri<\/span><span class=\"s9\">ng needed to create this glass. \u00a0However, <\/span><span class=\"s9\">it provides a <\/span><span class=\"s9\">higher level of low <\/span><span class=\"s9\">emissivity<\/span><span class=\"s9\">,<\/span><span class=\"s9\"> ultimately reducing <\/span><span class=\"s9\">the amount of heat absorbed<\/span><span class=\"s9\"> in a home or business. <\/span><\/p>\n<p class=\"s8\"><strong><span class=\"s7\">What kind of Low-E does Northwestern Glass Fab offer<\/span><span class=\"s7\">?<\/span><\/strong><\/p>\n<p><span class=\"s9\">Northwestern Glass Fab is unique <\/span><span class=\"s9\">because we can offer three different types of Low-E coatings in-house.<\/span><\/p>\n<p><span class=\"s9\">We offer Pilkington Energy Advantage for our hard coat option, available in thicknesses <\/span><span class=\"s9\">ranging<\/span><span class=\"s9\"> from 1\/8\u201d up to \u00bc\u201d. \u00a0 Additionally, we provide Cardinal soft coat 272 (LowE2) in 1\/8\u201d thickness, as well as AGC Energy Select 40, a soft coat specifically designed for commercial use.<\/span><\/p>\n<p><span class=\"s9\">I spoke with<\/span><span class=\"s9\"> Jordan Sylaart, our lead for our Insulated Units, and asked him a few questions <\/span><span class=\"s9\">about the low-E glass we manufacture.<\/span><\/p>\n<p>LC: <span class=\"s12\">Hey Jordan, as<\/span><span class=\"s12\">\u00a0<\/span><span class=\"s12\">our IG lead, you must see a lot of IG\u2019s come through the line each day, right?<\/span><\/p>\n<p>JS: Yes, right now we are running on average 165 units per day.<\/p>\n<p>LC: <span class=\"s12\">That is quite a few insulated units! Can you tell me how many of the units that pass through the line have <\/span><span class=\"s12\">low-e<\/span><span class=\"s12\">applied to them?<\/span><\/p>\n<p>JS: I would say about 65% of them have low-e, 75% of all total units if you count all the low-e types that we offer.<\/p>\n<p>LC: \u00a0So, of the 165 units we are producing about 124 with low-e, that is quite impressive! Can you tell me a bit more about how they are produced and what you have to do when making these units?<\/p>\n<p>JS: When we fabricate these units, we fabricate them with Low-E coatings on the interior surfaces. The reason for this is it helps to reflect the sun in the summer and keep the sun in during the winter. When we produce units with the Cardinal 272 soft coat, we mustuse our edge delete on the cutting table, which we do in order to make sure the edges fit in the frame.<\/p>\n<p>LC: So, can you explain the difference in our hard coat and soft coat offerings?<\/p>\n<p class=\"s13\">JS: Our energy advantage offering is going to be less efficient than the soft coat 272, but it is easier to handle. We have to take extra care with soft coats as it can scratch and smudge easy. Also, there is a slight color difference between the two types. The energy advantage is going to reflect more gray, and the soft coat 272 is going to reflect a little greener.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2694 size-medium\" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-315x420.jpg\" alt=\"\" width=\"315\" height=\"420\" \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2695\" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-1-316x420.jpg\" alt=\"\" width=\"316\" height=\"420\" \/><\/p>\n<p><span class=\"s15\">Pictured above: <\/span><span class=\"s15\">an IG with 272 <\/span><span class=\"s15\">glasses<\/span><span class=\"s15\"> going down the line \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Pictured above: Inspecting an IG as it comes off the line<\/span><\/p>\n<p><strong><span class=\"s7\">What are the differences in Energy Advantage, Cardinal 272 and Energy Select 40<\/span><span class=\"s7\">?<\/span><\/strong><\/p>\n<p><span class=\"s17\">Pilkington Energy Advantage is a hard coat low-E glass that offers thermal insulation and reduces heat loss. \u00a0This type of low-E glass tends to reflect a <\/span><span class=\"s17\">greyer<\/span><span class=\"s17\"> appearance and is typically applied to surface 3 of an insulated unit. \u00a0We stock this glass in thicknesses of 1\/8\u201d through \u00bc\u201d to accommodate a wide range of insulated units, with a lower risk of scratching compared to a soft coat low-E option.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2696 \" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-420x333.png\" alt=\"\" width=\"511\" height=\"405\" \/><\/p>\n<p><span class=\"s19\">Cardinal 272 is a soft coat low-E glass that we offer, available in 1\/8\u201d thickness. \u00a0This glass <\/span><span class=\"s19\">tends to<\/span><span class=\"s19\"> reflect a greener hue compared to standard clear glass. \u00a0As illustrated in the chart below, Low-E 272 exhibits excellent reflective properties, helping to maintain a <\/span><span class=\"s19\">warmer interior during colder temperatures.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2697\" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-1-420x187.png\" alt=\"\" width=\"649\" height=\"289\" \/><\/p>\n<p><span class=\"s19\">T<\/span><span class=\"s19\">he third type of low-e that we o<\/span><span class=\"s19\">ffer at NWGF is A<\/span><span class=\"s19\">G<\/span><span class=\"s19\">C<\/span><span class=\"s19\"> Energy Select 40. This <\/span><span class=\"s19\">soft coat option is specifically designed to meet code requirements suited for commercial applications.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2700\" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-2-420x74.png\" alt=\"\" width=\"743\" height=\"131\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2699\" src=\"https:\/\/www.bringlass.com\/wp-content\/uploads\/2023\/06\/Picture1-2-315x420.jpg\" alt=\"\" width=\"431\" height=\"574\" \/><\/p>\n<p><span class=\"s5\">With summer approaching, it is an ideal time to replace windows and incorporate a low-E coating to the replacement units. \u00a0Low-E is an effective solution to reduce heating costs for customers and maintain warmth during the winter, which is particularly important in Minnesota.<\/span><\/p>\n<p><span class=\"s5\">Northwestern Glass Fab takes pride in offering three distinct types of low-E coating to cater to diverse requirements. <\/span><\/p>\n<p>To learn more about the different low-e types we offer do not hesitate to reach out to our Customer Support Teams.<\/p>\n<p><span class=\"s24\">Sources:<\/span><\/p>\n<div><span class=\"s25\">\u2022 <\/span><a href=\"https:\/\/www.cardinalcorp.com\/products\/coated-glass\/loe2-272-270\/\"><span class=\"s26\">https:\/\/www.cardinalcorp.com\/products\/coated-glass\/loe2-272-270\/<\/span><\/a><\/div>\n<div><span class=\"s25\">\u2022 <\/span><a href=\"https:\/\/www.pilkington.com\/en\/us\/products\/product-categories\/thermal-insulation\/pilkington-energy-advantage\"><span class=\"s26\">https:\/\/www.pilkington.com\/en\/us\/products\/product-categories\/thermal-insulation\/pilkington-energy-advantage<\/span><\/a><\/div>\n<div><span class=\"s25\">\u2022 <\/span><a href=\"https:\/\/www.agc-yourglass.com\/sites\/default\/files\/brochures\/original\/Energy_Select_40.pdf\"><span class=\"s26\">https:\/\/www.agc-yourglass.com\/sites\/default\/files\/brochures\/original\/Energy_Select_40.pdf<\/span><\/a><\/div>\n<div class=\"s27\"><span class=\"s25\">\u2022 <\/span><span class=\"s24\">Personal Interview with Jordan Sylaart<\/span><\/div>\n<\/div><\/section><\/div><div  class='av-social-sharing-box av-28qn4h-5db18ad7a06e6fbaaa8ea80645b883fd av-social-sharing-box-default  avia-builder-el-6  el_after_av_one_full  avia-builder-el-last  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><h5 class='av-share-link-description av-no-toc '>Share<\/h5><ul class=\"av-share-box-list noLightbox\"><li class='av-share-link av-social-link-facebook' ><a target=\"_blank\" aria-label=\"Share on Facebook\" href='https:\/\/www.facebook.com\/sharer.php?u=https:\/\/www.nwglassfab.com\/what-is-low-e\/&#038;t=What%20is%20Low-E%3F' aria-hidden='false' data-av_icon='\ue8f3' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Facebook' 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