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Project Spotlight: ZeroEnergy Design’s Brookline Deep-Energy Retrofit - High Performance in a Walkable Neighborhood
Event Description
Rate It Green Member ZeroEnergy Design’s helped a Brookline, Massachusetts family reimagine their aging house and transform it into a health, energy efficient home that fits completely in this walkable neighborhood.
The greenest building is of course the one that is already built, and where some might replace an older home, ZeroEnergy Design’s team improved the existing structure where it is now comfortable, lower energy consuming, energy efficient, and resilient. Features include:
The project achieved an airtightness result of 0.7 ACH50, approaching the traditional Passive House standard of 0.6 ACH50. ACH50 measures how much air leaks through a building's enclosure during a blower-door test, which artificially pressurizes or depressurizes the house. Lower numbers mean less air and energy leakage, and therefore lower energy bills.
ZeroEnergy designed worked with Thoughtforms as a Construction partner and Interior Designer Julie Yen Design on this project. Photography is by Nat Rea Photography.
For more information, view ZeroEnergy Design’s detailed project summary.



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