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search & sort the retrofit survey data

Interested in diving deeper into the retrofit survey data? Use the table below to explore specific data points from each submitted survey. For an overview, we've organized all responses into a table, broken down by some of the most salient data, such as general location, square footage and retrofit type. To quickly compare surveys, sort the table by any of the data points in the header. Click on the icon to the left of any survey row to view the full survey submission.

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Orig. construction year State or Prov. City Retrofit cost per sq. ft. Retrofit type Lot type Name Email Phone Bldg. Co. Builder's name Architecture firm Architect's name Passive building consultant Street address Year work completed Type of structure Building use type Project description Why type of retrofit? Area of structure Renovated area Start date Project duration Project goals Lived in? Historic structure? Historic tax credits? Passive house certified Certified by? ACH before ACH after Electrical cost before Electrical cost after Electrical usage before Electrical usage after Heat cost before Heat cost after Heat usage before Heat usage after Heat source before Heat source after Hot water cost before Hot water cost after Hot water system before Hot water system after Hot water energy usage before Hot water energy usage after EUI before EUI after Renewable energy? Renewables description Passive house materials Passive house materials reasoning
1855 ME Monmouth 150000 rural Dara Flynn darasf@gmail.com 2073709733 Dara Flynn 584 Wilson Pond Rd 2024 wood-frame residential Complete new interior and exterior. Structural rebuilding where necessary, new heating, cooling, plumbing and electrical. 2000 2000 01/01/2022 28 no no no no a:1:{i:0;s:10:"wood-stove";} a:2:{i:0;s:9:"heat-pump";i:1;s:10:"wood-stove";} a:1:{i:0;s:8:"electric";} a:3:{i:0;s:8:"electric";i:1;s:20:"air-source-heat-pump";i:2;s:27:"on-demand-tankless-electric";} a:0:{}
1902 MA Cambridge 300 urban Erika DeRoche ed@zeroenergy.com 6178614795 Alpha Smart Builders Deliandro Dias ZeroEnergy Design Erika DeRoche ZeroEnergy Design 171 Columbia Street 2023 wood-frame residential Emergency reconstruction/ gut renovation of three-unit affordable triple decker with energy efficiency focus following a fire. Most of the existing siding remained with insulation and air sealing occurring from the interior, in addition to window replacement with triple glazed tilt/turn uPVC windows, electrification, all new building systems and complete interior renovation. The project is not attempting passive house certification but achieved DOE's Zero Energy Ready Homes certification and anticipates Enterprise Green Communities certification. 4700 4700 01/04/2022 12 no no no no 1.46 4431 22155 1740 a:1:{i:0;s:5:"other";} a:1:{i:0;s:9:"heat-pump";} 532 a:1:{i:0;s:5:"other";} a:1:{i:0;s:20:"air-source-heat-pump";} 2658 16.06 no a:0:{}
1900 ME Carrabassett Valley rural Ashley Hopwood Farrar ashley@meldrumdesign.com 760-822-6417 N/A Peter Neal Meldrum Design Ashley Hopwood Farrar N/A 4003 Bigelow Station 2023 wood-frame residential Preserving an old train station (built in the early 1900's, I think. I could find out the exact year.) Replacing the 1980's addition on the back of the station. Energy retrofit to the whole thing. Here are a couple of social media posts about it: https://www.instagram.com/p/Cuy8fKMI7UI/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA== https://www.instagram.com/p/CvuKyHrMLJR/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA== 2700 2700 01/05/2023 6 no no no no -0.006 a:2:{i:0;s:15:"existing-boiler";i:1;s:10:"wood-stove";} a:1:{i:0;s:9:"heat-pump";} a:1:{i:0;s:5:"other";} a:0:{} no a:0:{}
1870 ME Belfast 203 whole-building-retrofit suburban Alan GIbson alan@gologic.us GO Logic Alan Gibson GO Logic Alan Gibson 2021 wood-frame residential Demolished existing ell and rebuilt it and renovated existing main house. Need to be renovated and budget allowed. Owner driven. 2640 2640 01/07/2019 Leave as much exiting structure and interior finishes- insulate and air seal existing structure. Triple glazed windows and doors all new exterior finishes no no no no n/a 20 a:1:{i:0;s:15:"existing-boiler";} a:1:{i:0;s:9:"heat-pump";} a:1:{i:0;s:5:"other";} a:1:{i:0;s:20:"air-source-heat-pump";} no a:0:{} didn't really come up
2000 Maine greenwood $81/sf phased-retrofit rural jesper kruse jesper@mainepassivehouse.com 2078903203 Maine Passive House Jesper Kruse self self jesper kruse 2020 wood-frame residential 2x6 walls. Added 9.5" tji to outside of 2x6 walls. Airtight membrances, triple pane windows, Lunos Ventilation Needed new windows and new siding. I'm a PH builder so walking the talk 1960 1960 2015 40 Learning. Comfort. Energy savings. yes no no no 3.0ACH50 .47ACH50 720 1200 1500 a:2:{i:0;s:15:"existing-boiler";i:1;s:10:"wood-stove";} a:2:{i:0;s:9:"heat-pump";i:1;s:10:"wood-stove";} 500 200 a:1:{i:0;s:5:"other";} a:1:{i:0;s:20:"air-source-heat-pump";} yes solar/ 51 panels/17kwh a:1:{i:0;s:5:"walls";} Availability. What we have used on other projects. Price
Quebec Montreal 192 whole-building-retrofit urban Richard Price constructionletournesol@gmail.com 1(514)475-3553 Construction Le Tournesol Richard Price Alias Architecture Lucie Langlois Lucie Langlois & Richard Price wood-frame -- Maison Ozalée 2850 2850 12 IPHA certification and LEED platinum yes no no yes-by-other-organization .4 650 a:1:{i:0;s:8:"electric";} a:1:{i:0;s:9:"heat-pump";} 0 0 no 0
1900 Maine Peaks Island 330 whole-building-retrofit suburban Rachel Conly rachel@rachelconlydesign.com 2077665625 Thompson Johnson Woodworks Heather Thompson Rachel Conly Design LLC Rachel Conly Rachel Conly 2016 wood-frame residential Deep energy retrofit, dormer additions, complete new interior and exterior needed total update/client request 1900 1900 a:1:{s:4:"date";s:4:"2014";} 24 total rebuild- both no no no no 17ACH50 .04ACH50 1874.71 10,486 1972 a:1:{i:0;s:15:"existing-boiler";} a:3:{i:0;s:9:"heat-pump";i:1;s:8:"electric";i:2;s:10:"wood-stove";} n/a a:1:{i:0;s:8:"electric";} a:1:{i:0;s:8:"electric";} n/a no a:1:{i:0;s:4:"none";} costs availablity
2015 New York Brooklyn, New York City whole-building-retrofit urban Ryan Enschede ryan@ryanenschede.com 347-663-6898 WM Dorvillier & Company Inc. (no longer in business) Bill Dorvillier Ryan Enschede Studio Ryan Enschede Jordan Goldman masonry -- Sound Studio, Gallery and Residence Renovate to meet Owner's needs, upgrade to passive house performance, floodproofing. 2295 2295 yes no no no .8 a:1:{i:0;s:5:"other";} a:1:{i:0;s:9:"heat-pump";} 0 0 no 0

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