Transformations, Inc.: Partnering to Build Net-Zero Energy Houses in Massachusetts

Research output: NRELSubcontract Report


Transformations, Inc. is a residential development and building company that has partnered with Building Science Corporation to build new construction net-zero energy houses in Massachusetts under the Building America program. There are three communities that will be constructed through this partnership: Devens Sustainable Housing ('Devens'), The Homes at Easthampton Meadow ('Easthampton') andPhase II of the Coppersmith Way Development ('Townsend'). This report intends to cover all of the single-family new construction homes that have been completed to date. The houses built in these developments are net zero energy homes built in a cold climate. They will contribute to finding answers to specific research questions for homes with high R double stud walls and high efficiency ductlessair source heat pump systems ('mini-splits'); allow to explore topics related to the financing of photovoltaic systems and basements vs. slab-on-grade construction; and provide feedback related to the performance of ductless mini-split air source heat pumps.
Original languageAmerican English
Number of pages92
StatePublished - 2013

Bibliographical note

Work performed by Building Science Corporation (BSC), Somerville, Massachusetts

NREL Publication Number

  • NREL/SR-5500-57979

Other Report Number

  • DOE/GO-102013-3902


  • air source heat pumps
  • basement
  • Building America
  • cold climate
  • double stud walls
  • high-R
  • mini-split
  • moisture monitoring
  • photovoltaic system
  • photovoltaics (PV)
  • residential
  • residential buildings
  • slab-on-grade


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