{"id":1004463364,"date":"2020-07-16T09:16:42","date_gmt":"2020-07-16T17:16:42","guid":{"rendered":"https:\/\/www.commercialsearch.com\/news\/?p=1004463364"},"modified":"2020-07-21T11:18:58","modified_gmt":"2020-07-21T19:18:58","slug":"meet-the-1st-leed-zero-energy-building-in-the-u-s","status":"publish","type":"post","link":"https:\/\/www.commercialsearch.com\/news\/meet-the-1st-leed-zero-energy-building-in-the-u-s\/","title":{"rendered":"Energy Upgrade Yields Big Savings in Little Rock"},"content":{"rendered":"<div id=\"attachment_1004463370\" style=\"width: 310px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1004463370\" data-attachment-id=\"1004463370\" data-permalink=\"https:\/\/www.commercialsearch.com\/news\/meet-the-1st-leed-zero-energy-building-in-the-u-s\/entegritys-headquarters-building-in-little-rock-ark-image-courtesy-of-entegrity\/\" data-orig-file=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\" data-orig-size=\"800,620\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Entegrity&#8217;s headquarters building in Little Rock, Ark. Image courtesy of Entegrity\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?w=800\" class=\"wp-image-1004463370 size-medium\" src=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\" alt=\"\" width=\"300\" height=\"233\" srcset=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg 800w, https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?resize=300,233 300w, https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?resize=768,595 768w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1004463370\" class=\"wp-caption-text\">The Entegrity headquarters retrofit of a Mid-Century Modern building on the National Historic Register shows that older buildings can also be adapted for net-zero energy. <em>Image courtesy of Entegrity<\/em><\/p><\/div>\n<p>When your business is built on green principles it\u2019s a good idea to walk the walk. Entegrity did that and then some for its new headquarters in Little Rock, Ark. The company, which specializes in energy conservation and <a href=\"https:\/\/www.commercialsearch.com\/news\/renewables-industry-eyes-majority-rule\/\">renewable energy projects<\/a>, opted to renovate an existing building rather than commission a brand-new facility.<\/p>\n<p>Entegrity&#8217;s decision to purchase and retrofit Little Rock\u2019s&nbsp; historic Darragh Building, originally built in 1959, turned into a showcase for the team\u2019s expertise. Completed in January 2017, the project serves as a roadmap for others because it earned the U.S. Green Building Council&#8217;s coveted LEED Zero Energy certification.<\/p>\n<hr>\n<p><strong>READ ALSO:<\/strong> <a href=\"https:\/\/www.commercialsearch.com\/news\/green-building-gains-territory\/\">Green Building Gains Territory<\/a><\/p>\n<hr>\n<p>The 13,342-square-foot property located at 1403 E. 6th St. was the first building in the U.S. and only the second in the world to earn the designation. The first LEED Zero certification went to the engineering and consulting firm Petinelli for its headquarters in Curitiba, Brazil.<\/p>\n<p>LEED Zero Energy certification recognizes buildings or spaces that achieve a source energy use balance of zero over a period of 12 months. Entegrity\u2019s headquarters reaches that balance by pairing the building\u2019s energy-efficient design with a 50-kilowatt rooftop solar array, effectively producing more energy than the building uses over a year.<\/p>\n<p>The $500,000 headquarters renovation also earned Zero Energy certification from the International Living Future Institute, as well as LEED Platinum certification in February 2019. LEED Platinum was previously the <a href=\"https:\/\/www.commercialsearch.com\/news\/all-leed-buildings-now-eligible-for-recertification\/\">top achievement for green buildings<\/a> before the LEED Zero Energy program was inaugurated later last year.<\/p>\n<p>The renovation cost about 3 to 5 percent more than a comparable standard project, reports Chris Ladner, founding partner at Entegrity. <em>\u201cBut being net zero, we don<\/em><em>\u2019<\/em><em>t have energy bills. In comparison, a non-net zero space similar to ours would see annual energy expenses of about 68 cents per square foot per year.&#8221;<\/em>&nbsp;That would add up to an annual bill of $9,075, he notes.<\/p>\n<p><em>\u201cEntegrity<\/em><em>\u2019<\/em><em>s Little Rock project shows that this kind of work doesn<\/em><em>\u2019<\/em><em>t need to be expensive,\u201d<\/em> said Emma Hughes, LEED project manager at USGBC. <em>\u201cWhen we consider the business case for building green, what continues to make it a good investment are the operating cost savings, shorter payback periods and asset value increases.\u201d<\/em><\/p>\n<p>According to Hughes, a 2018 survey showed payback periods for a retrofit are about six years with decreased 12-month operating costs of 9 percent and a 5 percent increase in asset value. <em>\u201cCertification is a critical part of demonstrating value because it helps owners easily communicate to the market how their buildings are performing and provides credibility for zero energy claims,\u201d<\/em> Hughes added. <em>\u201cWith LEED Zero and LEED v4.1, projects are using performance data to continually track and assess those efforts.\u201d<\/em><\/p>\n<h2><strong>A Net Zero Road Map<\/strong><\/h2>\n<p>Since its founding in 2007, Entegrity has worked in 38 U.S. states. Currently, Entegrity operates offices in Arkansas, Tennessee, Mississippi, Oklahoma, Kansas and Missouri. The Little Rock headquarters reduces the company\u2019s own carbon footprint while also demonstrating its core competencies.<\/p>\n<p>Many of the country\u2019s net-zero buildings have been on the West Coast. In the Midwest and mid-South, developers believe that it\u2019s not quite as challenging to do net zero in the absence of temperature swings in winter and summer. <em>\u201cIt was important to us that we could provide a net-zero building cost effectively in the mid-South in a less temperate climate,\u201d<\/em> Ladner said.<\/p>\n<div id=\"attachment_1004463373\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1004463373\" data-attachment-id=\"1004463373\" data-permalink=\"https:\/\/www.commercialsearch.com\/news\/meet-the-1st-leed-zero-energy-building-in-the-u-s\/entegrity-headquarters-employee-lounge-in-little-rock-ark-image-courtesy-of-entegrity\/\" data-orig-file=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\" data-orig-size=\"800,620\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Entegrity headquarters employee lounge in Little Rock, Ark. Image courtesy of Entegrity\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?w=800\" class=\"wp-image-1004463373 size-medium\" src=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\" alt=\"\" width=\"300\" height=\"233\" srcset=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg 800w, https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?resize=300,233 300w, https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegrity-headquarters-employee-lounge-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg?resize=768,595 768w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1004463373\" class=\"wp-caption-text\">The net-zero energy facility reduces Entegrity\u2019s carbon footprint while also delivering comfortable spaces for its occupants via electrochromatic windows that tint, high-control HVAC systems and LED lighting with dimming capability. <em>Image courtesy of Entegrity<\/em><\/p><\/div>\n<p>The Entegrity headquarters building\u2014a much-admired example of Mid-Century Modern architecture designed by Noland Blass Jr. of the Erhart, Eichenbaum, Rauch, &amp; Blass firm\u2014features a unique elevated wraparound porch, floor-to-ceiling windows and distinctive architectural features throughout. It was placed on the National Register of Historic Places in 2017.<\/p>\n<p><em>\u201cThat was appealing,\u201d<\/em> Ladner said, referring to the challenges of retrofitting a historic building to LEED Zero standards. \u201cW<em>e enjoy the constraints associated with renovating an existing building; and, from a sustainability standpoint, we try to stay engaged on existing buildings because there\u2019s a lot embodied energy in previous construction; anything you can use or reuse in existing facilities can put you ahead when it comes to sustainability, carbon and embodied energy,\u201d<\/em> he added.<\/p>\n<p>Lacking a good set of original construction documents, the most challenging aspect of the project was determining the materials and energy performance the facility already had, according to Parker Higgs, director of energy engineering at Entegrity.<em> \u201cOnce we could gather that information, we were able to use computer models to help determine various improvements and their energy impacts.\u201d<\/em><\/p>\n<hr>\n<p><strong>READ ALSO:<\/strong> <a href=\"https:\/\/www.commercialsearch.com\/news\/raising-the-bar-for-greenhouse-gas-reduction\/\">Raising the Bar for Greenhouse Gas Reduction<\/a><\/p>\n<hr>\n<p>Energy modeling was used for energy reduction strategies in addition to the rooftop solar array to bring the building to net zero. Other features include electrochromatic glazing that has the ability to tint on demand through electronic controls and smartphone devices; LED lighting with color-changing and dimming capability that replaced the original fluorescent and incandescent lighting systems; and a lighting upgrade that has produced a <a href=\"https:\/\/www.commercialsearch.com\/news\/energy-demand-in-pandemic-times-and-beyond\/\">lighting energy reduction<\/a> of 90 percent.<\/p>\n<p>In addition, heating and cooling systems have been replaced with high-efficiency heat pump HVAC systems. The duct system has been sealed to reduce leakage and re-insulated to reduce heat loss. The gas-powered hot water heating system was replaced with a hybrid heat pump water heater, which is three to four times as efficient as traditional electric resistance water heaters. Moreover, 100 percent of the facility&#8217;s already low energy load will be offset with a 50 kW roof solar photovoltaic system.<\/p>\n<p>According to USGBC\u2019s Hughes, among the four projects that have achieved LEED Zero Energy certification in 2020 is the Discovery Elementary School in Arlington, Va. More than 10 others are in the pipeline.<\/p>\n<p><em>\u201cIt<\/em><em>\u2019<\/em><em>s really exciting to see the activity and enthusiasm for the certification,\u201d<\/em> Hughes concluded. <em>\u201cNet zero is no longer an aspirational goal for buildings, it<\/em><em>\u2019<\/em><em>s achievable and a critical strategy for the industry to realize a regenerative future. LEED Zero recognizes projects taking the necessary steps to get there and verifying their performance.\u201d<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Entegrity\u2019s retrofit of its historic headquarters offers a model for reducing a building\u2019s carbon footprint.<\/p>\n","protected":false},"author":894,"featured_media":1004463370,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[21742,21747,21786],"tags":[49771,43115,32777],"class_list":["post-1004463364","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest","category-office","category-sustainability","tag-entegrity","tag-leed-zero","tag-usgbc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Energy Upgrade Yields Big Savings in Little Rock - Commercial Property Executive<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.commercialsearch.com\/news\/meet-the-1st-leed-zero-energy-building-in-the-u-s\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Energy Upgrade Yields Big Savings in Little Rock\" \/>\n<meta property=\"og:description\" content=\"Entegrity\u2019s retrofit of its historic headquarters offers a model for reducing a building\u2019s carbon footprint.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.commercialsearch.com\/news\/meet-the-1st-leed-zero-energy-building-in-the-u-s\/\" \/>\n<meta property=\"og:site_name\" content=\"Commercial Property Executive\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CPExecutive\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-16T17:16:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-21T19:18:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.commercialsearch.com\/news\/wp-content\/uploads\/sites\/46\/2020\/07\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"620\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Diana Mosher\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@cpexecutive\" \/>\n<meta name=\"twitter:site\" content=\"@cpexecutive\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/\"},\"author\":{\"name\":\"Diana Mosher\",\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/#\\\/schema\\\/person\\\/1c9a21b40f0bcd757c66219797993b0f\"},\"headline\":\"Energy Upgrade Yields Big Savings in Little Rock\",\"datePublished\":\"2020-07-16T17:16:42+00:00\",\"dateModified\":\"2020-07-21T19:18:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/\"},\"wordCount\":1070,\"image\":{\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/wp-content\\\/uploads\\\/sites\\\/46\\\/2020\\\/07\\\/Entegritys-headquarters-building-in-Little-Rock-Ark.-Image-courtesy-of-Entegrity.jpg\",\"keywords\":[\"Entegrity\",\"LEED Zero\",\"USGBC\"],\"articleSection\":[\"News\",\"Office\",\"Sustainability\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/\",\"url\":\"https:\\\/\\\/www.commercialsearch.com\\\/news\\\/meet-the-1st-leed-zero-energy-building-in-the-u-s\\\/\",\"name\":\"Energy Upgrade Yields Big Savings in Little Rock - 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