Conway Street Apartments - A Multifamily Deep...
While single-family, detached homes account for 63% of households (EIA 2009); multi-family homes account for a very large portion of that remaining housing stock, and this fraction is growing. Through recent research efforts, CARB has been evaluating strategies and technologies that can make dramatic improvements in energy performance in multi-family buildings both for new construction and for existing buildings. Toward this end, researchers teamed with Olive Street Development in Greenfield, MA to evaluate reproducible, cost-effective pathways to achieve dramatic energy savings in the renovation of an old elementary school building into twelve high-end rental apartments. The developer aimed to get as close to net-zero performance as practical, installing: R-30 high-density spray foam against the brick walls, R-50 roof assemblies, new triple-pane windows, LED lighting throughout, efficient appliances, ductless heat pumps for heating and cooling, a solar thermal system providing most water heating energy, and a 30-kW PV system installed over the parking area. With all these features, the developer was able to achieve HERS indices of 10-20 for the apartments and 72% source energy savings (50% not including PV). This translates to an annualized energy related cost (mortgage and utilities) savings of roughly $585 per apartment over a comparable code minimum built apartment.
Source: Conway St Apartments - Olive Street Development
About this Resource
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| Name | Conway Street Apartments - A Multifamily Deep Energy Retrofit |
| Format | PDF File |
| License | Creative Commons Attribution |
| Created | 5 months ago |
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| metadata modified | 5 months ago |
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