{"id":1499,"date":"2011-08-10T14:50:24","date_gmt":"2011-08-10T14:50:24","guid":{"rendered":"http:\/\/blogs.edf.org\/energyexchange\/?p=1499"},"modified":"2026-03-16T13:25:49","modified_gmt":"2026-03-16T17:25:49","slug":"energy-efficiency-in-the-catacombs","status":"publish","type":"post","link":"https:\/\/blogs.edf.org\/energyexchange\/2011\/08\/10\/energy-efficiency-in-the-catacombs\/","title":{"rendered":"Energy Efficiency In The Catacombs"},"content":{"rendered":"\n<figure class=\"wp-block-image alignleft\"><a href=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/koko-image.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/koko-image-150x150.jpg\" alt=\"\" class=\"wp-image-1500\"\/><\/a><\/figure>\n\n\n\n<p><strong>By: Koko Iyoho, 2011 Climate Corps Public Sector Fellow at&nbsp;<a href=\"http:\/\/www.trinityasheville.org\/\">Trinity Episcopal Church<\/a> in Asheville, North Carolina; MGIM graduate from North Carolina State University<\/strong><\/p>\n\n\n\n<p>My EDF Climate Corps Public Sector fellowship took me to Trinity Episcopal Church in Asheville, North Carolina. Listed in the National Register of Historical Places, Trinity is a 100-year-old structure that has 30,000 square feet. Trinity has three floors with two stained-glass enclosed sanctuaries, which illustrate the stories of the early church. Achieving energy savings without compromising the integrity of historical buildings poses quite a challenge. However, before my arrival, the church already took commendable energy efficiency initiatives: replacing 70% of T12 fluorescents with T8s, installing Energy Star office equipment, and upgrading its HVAC system. I found a lot of energy savings, but my most exciting finding took me to an unexpected place \u2013 \u201cThe Catacombs.\u201d<\/p>\n\n\n\n<p>My search for energy efficiency had begun with the basic areas of lighting and temperature settings. I found savings by installing lower wattage bulbs, replacing incandescent lights with fluorescents, switching to LED exit signs, and using temperature controls and setbacks. These retrofits showed significant energy and cost savings, but my financial analysis showed room for improvement. One clue was the basement floor, which has an uninterrupted cold air supply. The mystery was that Trinity\u2019s basement had exceptionally high humidity levels despite the use of several dehumidifiers. To solve this puzzle, I put on my detective goggles and joined a weatherization expert to investigate the source of the high humidity. Our quest led us to \u201cThe Catacombs.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/The-Catacombs.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"165\" src=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/The-Catacombs-300x165.jpg\" alt=\"\" class=\"wp-image-1501\" srcset=\"https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/The-Catacombs-300x165.jpg 300w, https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/The-Catacombs-1024x565.jpg 1024w, https:\/\/blogs.edf.org\/energyexchange\/wp-content\/blogs.dir\/38\/files\/2011\/08\/The-Catacombs.jpg 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<p>The basement is referred to as The Catacombs because of its likeness to ancient underground cemeteries, but thankfully, without burial chambers. It is an underground area consisting of a network of tunnels, pipes, and ducts, but also of several mounds of bare earth. Basements are naturally prone to high levels of humidity because of moisture seeping from the earth outside the walls and floors. In this case, mounds of earth are piled up inside a significant portion of the basement, contributing to higher than normal humidity levels. We had solved the mystery. Also, according to the weatherization specialist, if the bare earth is encapsulated with a vapor barrier, along with other weatherization opportunities we identified, there is potential to save the church about 15% in heating and cooling costs with a 9-year payback. What great energy savings!<\/p>\n\n\n\n<p>With this finding, The Catacombs would no longer contribute to rising energy consumption at Trinity\u2026 not unless actual ghosts moved in.<\/p>\n\n\n\n<p><a href=\"http:\/\/www.edf.org\/page.cfm?tagID=60252\">EDF Climate Corps Public Sector<\/a> (CCPS) trains graduate students to identify energy efficiency savings in colleges, universities, local governments and houses of worship. The program focuses on partnerships with minority serving institutions and diverse communities. Apply as a CCPS <a href=\"http:\/\/www.edf.org\/page.cfm?tagID=55086\">fellow<\/a>, view our past <a href=\"https:\/\/business.edf.org\/climate-corps\/projects\/\">projects<\/a> and follow us on <a href=\"http:\/\/twitter.com\/#!\/EDF_CCPS\">Twitter<\/a> to get regular updates about this program.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>By: Koko Iyoho, 2011 Climate Corps Public Sector Fellow at&nbsp;Trinity Episcopal Church in Asheville, North Carolina; MGIM graduate from North Carolina State University My EDF Climate Corps Public Sector fellowship took me to Trinity Episcopal Church in Asheville, North Carolina. Listed in the National Register of Historical Places, Trinity is a 100-year-old structure that has &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1077],"tags":[],"coauthors":[114057],"class_list":["post-1499","post","type-post","status-publish","format-standard","hentry","category-edf-climate-corps"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Energy Efficiency In The Catacombs - Energy Exchange<\/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:\/\/blogs.edf.org\/energyexchange\/2011\/08\/10\/energy-efficiency-in-the-catacombs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Energy Efficiency In The Catacombs - Energy Exchange\" \/>\n<meta property=\"og:description\" content=\"By: Koko Iyoho, 2011 Climate Corps Public Sector Fellow at&nbsp;Trinity Episcopal Church in Asheville, North Carolina; MGIM graduate from North Carolina State University My EDF Climate Corps Public Sector fellowship took me to Trinity Episcopal Church in Asheville, North Carolina. 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