{"id":2881,"date":"2025-03-18T09:28:40","date_gmt":"2025-03-18T09:28:40","guid":{"rendered":"https:\/\/heatpumpingtechnologies.org\/annex62\/?page_id=2881"},"modified":"2025-09-12T14:37:08","modified_gmt":"2025-09-12T14:37:08","slug":"ca003-a-deep-retrofit-of-crown-manor","status":"publish","type":"case_studies","link":"https:\/\/heatpumpingtechnologies.org\/project62\/case-studies\/ca003-a-deep-retrofit-of-crown-manor\/","title":{"rendered":"CA003 A Deep Retrofit of Crown Manor"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \" style=\"font-size:25px\">Canada<\/p>\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \">As of 2022, Crown Manor was the fifth most greenhouse gas (GHG)-intensive building in the MVHC portfolio. It is a 29-unit, affordable rental housing site in New Westminster that consists of a four-level apartment building with a penthouse unit on the roof. A portion of the ground floor is dedicated to surface parking which extends out towards the service lane behind the building. It was built in in 1966, making it one of the oldest buildings in MVHC\u2019s portfolio.<\/p>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \">This housing site was one of three MVHC sites involved in the Pembina Institute\u2019s <em>Reframed<\/em> Initiative which began in 2021. The Reframed Initiative is a multi-partner initiative to demonstrate the technical and economic feasibility of whole-building retrofit solutions that integrate energy efficiency, decarbonization, seismic safety, and climate adaptation on existing multi-unit residential buildings (MURBs).<\/p>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \">When selecting buildings for <em>Reframed<\/em>, MVHC chose three of the most energy and\/or GHG-intensive sites. Other considerations for inclusion in <em>Reframed<\/em> included the age and condition of the building. The renovation \u201cbundle\u201d thus included (among others):<\/p>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<ul class=\"wp-block-list\">\n<li>Replacement of a portion of the building envelope with new wall components (plywood sheathing, continuous air\/moisture barrier, exterior insulating and cladding)<\/li>\n\n\n\n<li>New low-slope roofing with additional insulation<\/li>\n\n\n\n<li><strong>New high efficiency, electric HVAC equipment including air source heat pumps (ASHP) for DHW, PTAC units for in-suite cooling, rooftop ASHPs for tempered ventilation of common areas<\/strong><\/li>\n<\/ul>\n<\/div>\n\n<div class=\"container\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"748\" height=\"472\" src=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building.jpg\" alt=\"\" class=\"wp-image-2883\" style=\"width:840px;height:auto\" srcset=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building.jpg 748w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-300x189.jpg 300w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-400x252.jpg 400w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><figcaption class=\"wp-element-caption\">Picture: ZEIC<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \"><strong>Lessons learned<\/strong> <strong>\/ results:<\/strong><\/p>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<ul class=\"wp-block-list\">\n<li>Energy use was reduced by 62 percent<\/li>\n\n\n\n<li>Greenhouse gas emissions were reduced by 98 percent<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \"><strong>Key facts<\/strong><\/p>\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"container container--no-margin\">\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>Building<\/strong><\/td><td><\/td><td><strong>Heat Pump and Source<\/strong><\/td><td><\/td><\/tr><tr><td>Location<\/td><td><em>New Westminster, Canada<\/em><\/td><td>Number of HP<\/td><td><em>&#8211;<\/em><\/td><\/tr><tr><td>Construction<\/td><td><em>1966<\/em><\/td><td>Operation mode<\/td><td><em>monoenergetic<\/em><\/td><\/tr><tr><td>Retrofit<\/td><td><em>Start in 2021<\/em><\/td><td>Heat source<\/td><td><em>air<\/em><\/td><\/tr><tr><td>No. of apartments<\/td><td><em>29<\/em><\/td><td>Type of system<\/td><td><em>central-decentral<\/em><\/td><\/tr><tr><td>Level of insulation<\/td><td><em>good<\/em><\/td><td>Heating\/cooling<br>distribution<\/td><td><em>ventilation<br>baseboards<\/em><\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><strong>Heating &amp; Cooling <\/strong><br><strong>sysem<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>Thermal energy<br>demand intensity<\/td><td><em>10 kWh\/m2 per year<\/em><\/td><td>Cooling<\/td><td><em>PTAC (in-suite)<br>HP (common area)<\/em><\/td><\/tr><tr><td>Additional heating<\/td><td><em>500W baseboard heaters<br>in each flat<\/em><br><em>back-up gas boiler for<br>common areas<\/em><\/td><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><strong>Other information<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>Climate Zone<\/td><td><em>Cfb<\/em><\/td><td>Family Membership<\/td><td>B Family<\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div><\/div>\n\n\n<div class=\"container\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1021\" height=\"756\" src=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-scheme.png\" alt=\"\" class=\"wp-image-2886\" srcset=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-scheme.png 1021w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-scheme-300x222.png 300w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-scheme-768x569.png 768w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-scheme-400x296.png 400w\" sizes=\"auto, (max-width: 1021px) 100vw, 1021px\" \/><\/figure>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \">MVHC decided to&nbsp;proceed&nbsp;with a&nbsp;modified&nbsp;Bundle 2 that&nbsp;included the replacement of the existing condensing gas boiler (for&nbsp;centralized&nbsp;space heating) with&nbsp;an electric ASHP. The existing boiler remains as a backup unit as&nbsp;it\u2019s&nbsp;not at the end of&nbsp;its&nbsp;service life.&nbsp;With this modification, the bundle&nbsp;reduced energy use and GHG emissions by 62% and 98% respectively (compared to the existing building).<\/p>\n<\/div>\n\n<div class=\"container\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"593\" src=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-1.png\" alt=\"\" class=\"wp-image-2887\" style=\"width:600px;height:auto\" srcset=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-1.png 597w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-1-300x298.png 300w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-1-150x150.png 150w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003-building-1-400x397.png 400w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><figcaption class=\"wp-element-caption\">Picture: ZEIC<\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"container container--no-margin\">\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-b989473c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 has-custom-font-size is-style-outline has-medium-font-size is-style-outline--1\" style=\"text-transform:none\"><a class=\"wp-block-button__link has-vivid-cyan-blue-color has-white-background-color has-text-color has-background has-text-align-center wp-element-button\" href=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2025\/03\/ca003fact-sheet-crown-manor.pdf\" style=\"border-radius:5px\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"84\" class=\"wp-image-2196\" style=\"width: 300px;\" src=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2024\/02\/fact-sheet-button-pic.png\" alt=\"\" srcset=\"https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2024\/02\/fact-sheet-button-pic.png 845w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2024\/02\/fact-sheet-button-pic-300x84.png 300w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2024\/02\/fact-sheet-button-pic-768x215.png 768w, https:\/\/heatpumpingtechnologies.org\/content\/uploads\/sites\/75\/2024\/02\/fact-sheet-button-pic-400x112.png 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/div>\n<\/div>\n<\/div>\n\n<div class=\"container container--no-margin\">\n<p class=\"has-text-align-center wp-block-paragraph \"><strong>CA003 &#8211; Crown Manor<\/strong><\/p>\n<\/div><\/div>\n<\/div>\n\n\n<div class=\"container container--no-margin\">\n<p class=\"wp-block-paragraph \">Case study delivered by: Zero Emissions Innovation Centre (ZEIC) <a href=\"https:\/\/b2electrification.org\/orion-real-life-performance-step-4-all-electric-building\"><\/a><a href=\"https:\/\/www.zebx.org\/a-deep-retrofit-of-crown-manor-10801\/\">A Deep Retrofit of Crown Manor&nbsp; \u2013 ZEBx<\/a><\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Canada As of 2022, Crown Manor was the fifth most greenhouse gas (GHG)-intensive building in the MVHC portfolio. It is&#8230;<\/p>\n","protected":false},"author":41,"featured_media":0,"menu_order":0,"template":"","filters":[],"markets":[17],"applications":[7,41],"class_list":["post-2881","case_studies","type-case_studies","status-publish","hentry","markets-canada","applications-buildings","applications-multi-family-buildings"],"acf":[],"_links":{"self":[{"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/case_studies\/2881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/case_studies"}],"about":[{"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/types\/case_studies"}],"author":[{"embeddable":true,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/users\/41"}],"version-history":[{"count":5,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/case_studies\/2881\/revisions"}],"predecessor-version":[{"id":2930,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/case_studies\/2881\/revisions\/2930"}],"wp:attachment":[{"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/media?parent=2881"}],"wp:term":[{"taxonomy":"filters","embeddable":true,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/filters?post=2881"},{"taxonomy":"markets","embeddable":true,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/markets?post=2881"},{"taxonomy":"applications","embeddable":true,"href":"https:\/\/heatpumpingtechnologies.org\/project62\/wp-json\/wp\/v2\/applications?post=2881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}