{"id":5764,"date":"2025-04-17T14:10:58","date_gmt":"2025-04-17T12:10:58","guid":{"rendered":"https:\/\/zerocem.es\/?post_type=portfolio_page&p=5764"},"modified":"2025-04-17T14:17:17","modified_gmt":"2025-04-17T12:17:17","slug":"energy-retrofit-at-1925s-villa","status":"publish","type":"portfolio_page","link":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/","title":{"rendered":"ENERGY RETROFIT AT 1925s VILLA"},"content":{"rendered":"

[vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” z_index=””][vc_column][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”2\/3″][vc_column_text]<\/p>\n

Energy Retrofit at Villa Arevalo<\/h1>\n

[\/vc_column_text][vc_column_text]<\/p>\n

Energy Retrofit at villa designed by Antonio Arevalo in 1925, with increased comfort while reducing CO2 emissions<\/h3>\n

[\/vc_column_text][vc_single_image image=”2918″ img_size=”full” style=”vc_box_rounded” qode_css_animation=””][\/vc_column_inner][vc_column_inner width=”1\/3″ css=”.vc_custom_1744892236233{padding-top: 10% !important;padding-right: 10% !important;padding-left: 10% !important;background-color: rgba(129,215,66,0.07) !important;*background-color: rgb(129,215,66) !important;}”][vc_column_text]<\/p>\n

CLIENT:<\/strong> ROJO ARQUITECTOS<\/p>\n

CONCEPT DESIGN: <\/strong>Rojo J.M.
\n<\/strong><\/p>\n

ZEROCEM:<\/strong> Sustainable strategies, Project development & S.S<\/p>\n

TYPE:<\/strong> Comission<\/p>\n

SIZE:<\/strong> 480 sqm (multifamily)<\/p>\n

STATE:<\/strong> Under construction<\/p>\n

YEAR<\/strong>: 2016<\/p>\n

SITE:<\/strong> Sevilla, Espa\u00f1a<\/p>\n

[\/vc_column_text][vc_single_image image=”3987″ img_size=”medium” alignment=”center” css=”” qode_css_animation=””][vc_empty_space]DOSSIER PDF<\/i><\/a>[vc_empty_space][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1498056783989{margin-bottom: 60px !important;}”][vc_column][vc_empty_space][vc_column_text]<\/p>\n

Energy Retrofit with heritage restrictions<\/h2>\n

[\/vc_column_text][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”1\/4″][vc_column_text]Objectives:<\/strong><\/p>\n

    \n
  1. Thermal comfort according to Nicol and Humphreys’ adaptive model<\/li>\n
  2. Energy saving<\/li>\n
  3. Natural light maximization<\/li>\n
  4. New functions adequacy<\/li>\n<\/ol>\n

    [\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_column_text]Heritage preservation conditions:<\/strong><\/p>\n

      \n
    1. Design of facade details<\/li>\n
    2. Roof design and appearance<\/li>\n
    3. Structural system<\/li>\n
    4. Building stairs: outer and inner<\/li>\n<\/ol>\n

      [\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_column_text]Winter design conditions:<\/strong><\/p>\n

        \n
      1. \u00a0Rise indoor temperature over 21,1\u00baC<\/li>\n
      2. \u00a0Keep night relative humidity under 80%<\/li>\n
      3. \u00a0Solar radiation can be used to rise indoor temprature<\/li>\n
      4. \u00a0North-east winds blocking
        \n<\/strong><\/li>\n<\/ol>\n

        [\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_column_text]Summer design conditions:<\/strong><\/p>\n

          \n
        1. \u00a0Increase night ventilation when outer temperatures flow between 21,5 to 25,5\u00baC<\/li>\n
        2. Increase afternoon relative humidity until 60%<\/li>\n
        3. Introduce shading devices to avoid overheating due solar radiation<\/li>\n
        4. Enhace south-west wind infiltration<\/li>\n<\/ol>\n

          [\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1498057966572{margin-bottom: 60px !important;background-color: rgba(129,215,66,0.07) !important;*background-color: rgb(129,215,66) !important;border-radius: 10px !important;}”][vc_column][vc_column_text]<\/p>\n

          Energy Audit<\/h2>\n

          [\/vc_column_text][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=”” css=”.vc_custom_1498057053313{padding-bottom: 5% !important;}”][vc_column_inner width=”1\/3″][vc_column_text]High CO2 emissions reduction, thanks to passive design measures implemented at buildings’ envelope, as well as mechanical services replacement.<\/p>\n

          To proceed with energy perform, we develop thermal simulations comparing current, refurbishedd and extended state of the original building[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/3″][vc_column_text]Thanks to the introduction of these measures thermal simulation showed an effective reduction in CO2 emissions from 41,5 to 13,7 kg\/m2<\/strong>. Then, CER rating changed from E to C<\/strong>, according results obtained in Cerma v4_2_3.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/3″][vc_single_image image=”4117″ img_size=”full” alignment=”center” qode_css_animation=””][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1498057137308{margin-bottom: 60px !important;}”][vc_column][vc_column_text]<\/p>\n

          Sustainable strategies deployment<\/h2>\n

          [\/vc_column_text][rev_slider_vc alias=”slider-case-study-5-en”][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1498058132118{margin-bottom: 60px !important;background-color: #f8f7f7 !important;border-radius: 10px !important;}”][vc_column][vc_column_text]<\/p>\n

          BREEAM evaluation of used strategies<\/h3>\n

          [\/vc_column_text][vc_separator type=”normal” color=”green” style=”dotted” border_width=”3″][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=”” css=”.vc_custom_1498057275584{padding-bottom: 5% !important;}”][vc_column_inner width=”1\/2″ css=”.vc_custom_1498058214070{padding-right: 5% !important;padding-left: 5% !important;}”][vc_column_text]Although this project started with the purpose of obtaining the PHit certification, as a way to increase thermal comfort, finally some restrictions imposed from Urban Control Bureau made impossible to fullfil with all technical requirements.<\/p>\n

          However, we proceed with a BREEAM evaluation<\/strong> during the design stage to get the sustainability rating of the building:[\/vc_column_text][vc_column_text]Final score was 57% out of 110%, which provided the building with a “VERY GOOD” evaluation.<\/strong>
          \nTo summarize, CO2 emissions reduction through good site selection, works managment and promotion of restoration instead of new construction, was the key element to obtain the qualification.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”4116″ img_size=”full” alignment=”center” css=”.vc_custom_1498058269817{padding-top: 10% !important;}” qode_css_animation=””][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

          [vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” z_index=””][vc_column][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”2\/3″][vc_column_text] Energy Retrofit at Villa Arevalo [\/vc_column_text][vc_column_text] Energy Retrofit at villa designed by Antonio Arevalo in 1925, with increased comfort while reducing CO2 emissions [\/vc_column_text][vc_single_image image=”2918″ img_size=”full” style=”vc_box_rounded” qode_css_animation=””][\/vc_column_inner][vc_column_inner width=”1\/3″ css=”.vc_custom_1744892236233{padding-top: 10%…<\/p>\n","protected":false},"author":5,"featured_media":4220,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","portfolio_category":[],"portfolio_tag":[],"class_list":["post-5764","portfolio_page","type-portfolio_page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS<\/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:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS\" \/>\n<meta property=\"og:description\" content=\"[vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” z_index=””][vc_column][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”2\/3″][vc_column_text] Energy Retrofit at Villa Arevalo [\/vc_column_text][vc_column_text] Energy Retrofit at villa designed by Antonio Arevalo in 1925, with increased comfort while reducing CO2 emissions [\/vc_column_text][vc_single_image image=”2918″ img_size=”full” style=”vc_box_rounded” qode_css_animation=””][\/vc_column_inner][vc_column_inner width=”1\/3″ css=”.vc_custom_1744892236233{padding-top: 10%...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/\" \/>\n<meta property=\"og:site_name\" content=\"ZEROCEM - HEALTHY BUILDINGS\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-17T12:17:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zerocem.es\/wp-content\/uploads\/2017\/07\/1925s-Villa-energy-retrofit.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"766\" \/>\n\t<meta property=\"og:image:height\" content=\"527\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/\",\"url\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/\",\"name\":\"ENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/zerocem.es\\\/wp-content\\\/uploads\\\/2017\\\/07\\\/1925s-Villa-energy-retrofit.jpg\",\"datePublished\":\"2025-04-17T12:10:58+00:00\",\"dateModified\":\"2025-04-17T12:17:17+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/#primaryimage\",\"url\":\"https:\\\/\\\/zerocem.es\\\/wp-content\\\/uploads\\\/2017\\\/07\\\/1925s-Villa-energy-retrofit.jpg\",\"contentUrl\":\"https:\\\/\\\/zerocem.es\\\/wp-content\\\/uploads\\\/2017\\\/07\\\/1925s-Villa-energy-retrofit.jpg\",\"width\":766,\"height\":527,\"caption\":\"Alzado de rehabilitaci\u00f3n energ\u00e9tica de Casa Ar\u00e9valo\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/energy-retrofit-at-1925s-villa\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/zerocem.es\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Portfolio\",\"item\":\"https:\\\/\\\/zerocem.es\\\/en\\\/caso\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ENERGY RETROFIT AT 1925s VILLA\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/zerocem.es\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/zerocem.es\\\/en\\\/\",\"name\":\"ZEROCEM - HEALTHY BUILDINGS\",\"description\":\"Consultora de sostenibilidad en construcci\u00f3n, ESG: BREEAM, LEED y WELL\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/zerocem.es\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/","og_locale":"en_US","og_type":"article","og_title":"ENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS","og_description":"[vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” z_index=””][vc_column][vc_row_inner row_type=”row” type=”full_width” text_align=”left” css_animation=””][vc_column_inner width=”2\/3″][vc_column_text] Energy Retrofit at Villa Arevalo [\/vc_column_text][vc_column_text] Energy Retrofit at villa designed by Antonio Arevalo in 1925, with increased comfort while reducing CO2 emissions [\/vc_column_text][vc_single_image image=”2918″ img_size=”full” style=”vc_box_rounded” qode_css_animation=””][\/vc_column_inner][vc_column_inner width=”1\/3″ css=”.vc_custom_1744892236233{padding-top: 10%...","og_url":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/","og_site_name":"ZEROCEM - HEALTHY BUILDINGS","article_modified_time":"2025-04-17T12:17:17+00:00","og_image":[{"width":766,"height":527,"url":"https:\/\/zerocem.es\/wp-content\/uploads\/2017\/07\/1925s-Villa-energy-retrofit.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/","url":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/","name":"ENERGY RETROFIT AT 1925s VILLA | ZEROCEM - HEALTHY BUILDINGS","isPartOf":{"@id":"https:\/\/zerocem.es\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/#primaryimage"},"image":{"@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/#primaryimage"},"thumbnailUrl":"https:\/\/zerocem.es\/wp-content\/uploads\/2017\/07\/1925s-Villa-energy-retrofit.jpg","datePublished":"2025-04-17T12:10:58+00:00","dateModified":"2025-04-17T12:17:17+00:00","breadcrumb":{"@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/#primaryimage","url":"https:\/\/zerocem.es\/wp-content\/uploads\/2017\/07\/1925s-Villa-energy-retrofit.jpg","contentUrl":"https:\/\/zerocem.es\/wp-content\/uploads\/2017\/07\/1925s-Villa-energy-retrofit.jpg","width":766,"height":527,"caption":"Alzado de rehabilitaci\u00f3n energ\u00e9tica de Casa Ar\u00e9valo"},{"@type":"BreadcrumbList","@id":"https:\/\/zerocem.es\/en\/caso\/energy-retrofit-at-1925s-villa\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/zerocem.es\/en\/"},{"@type":"ListItem","position":2,"name":"Portfolio","item":"https:\/\/zerocem.es\/en\/caso\/"},{"@type":"ListItem","position":3,"name":"ENERGY RETROFIT AT 1925s VILLA"}]},{"@type":"WebSite","@id":"https:\/\/zerocem.es\/en\/#website","url":"https:\/\/zerocem.es\/en\/","name":"ZEROCEM - HEALTHY BUILDINGS","description":"Consultora de sostenibilidad en construcci\u00f3n, ESG: BREEAM, LEED y WELL","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/zerocem.es\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/portfolio_page\/5764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/portfolio_page"}],"about":[{"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/types\/portfolio_page"}],"author":[{"embeddable":true,"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/comments?post=5764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/media\/4220"}],"wp:attachment":[{"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/media?parent=5764"}],"wp:term":[{"taxonomy":"portfolio_category","embeddable":true,"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/portfolio_category?post=5764"},{"taxonomy":"portfolio_tag","embeddable":true,"href":"https:\/\/zerocem.es\/en\/wp-json\/wp\/v2\/portfolio_tag?post=5764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}