Case Studies

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Devens Greek Revival

In April of 2009, searching for a way to showcase sustainable housing, the Commonwealth’s MassDevelopment put out a Request For Qualifications for developer/builders to design and build single family and multi-family homes at its Devens, Massachuse Read More »
Net Zero Energy home Katywil Community Colrain MA
Brooks/Mulligan House

This is a new house in the Katywil Farm Community, an intentional cohousing community in Colrain Massachusetts. It was designed as a Net-Zero house by the owner/architect Peter Brooks after taking Marc Rosenbaum's first NetZero design course. It is d Read More »
1830 Peters – Lockrow House

Conducting an energy retrofit of our first home, a neglected 1852 Greek Revival, provided us with hands on experience and knowledge. We were looking for a new project and were alerted to a vacant historic 1830 farmhouse.  The front of the home faces Read More »
Hanson House

It was hard to think of moving from the great energy-efficient solar house I had built nine years earlier in Burlington, VT, but I wanted to be closer to my daughter. Looking for housing in Brandon, I realized that I didn’t want to give up the brig Read More »
AO Smith air source heat pump water heater
Transformations—21 Laurel Street, Northampton, MA

#21 Laurel Street is one of four homes built by Transformations in the Southern part of the Village Hill community development by MassDevelopment.  When the 2015 homes are summarized, #21 Laurel Street will likely be one of the most efficient single Read More »
SW facade 115 Angelita Exterior from NW 115 Angelita 1st floor plan 115 Angelita Foyer + living 115 Angelita Living 115 Angelita Living 115 Angelita
Edminster-Bohner Deep Energy Retrofit

Ten years in, we're still happy with what we did, though several improvements are still on the wish list. The project was driven by the confluence of several environmental goals, along with a specific problem to be solved. The principal environmenta Read More »
south elevation (both units) Build Team installed window air sealing front door heat pump water heater PV inverter PV array range washer/dryer CO2 monitor monitoring base station
Pioneer Valley Habitat for Humanity Net Zero Cottage

Pioneer Valley Habitat for Humanity: "Not only is this build our first Easthampton home, but it is also our first ever Women Build home and our first zero net energy potential house!  That's a lot of firsts!"  This is a fitting project to be the  Read More »
Transformations—15 Laurel Street, Northampton, MA

15 Laurel Street, Northampton is the first Transformations, Inc. home to be completed under the Massachusetts Department of Energy Pathway to Zero grant program.  This HERS -9 home was completed on June 17, 2015. Read More »
Dickson Residence and roof solar array Dickson Residence and roof solar array Rain Screen under construction Heat Pump Outdoor Units Wall insulation Slab insulation Open corners reduce thermal bridging ERV for ventilation and reduced energy consumption Door installation detail
Dickson Residence

The Dickson Residence is the project of David Dickson, an architectural designer and design-builder, whose passion for sustainabilty translated to his new home. The tight site thoughtfuly nestles this ~2,000 square foot home behind an existing brick Read More »
Taft House Zip Air Barrier Window Frame Detail Basement Insulation Attic Cellulose Insulation Siding HRV Living Room Garage Solar PV Panels
Taft School Residence

The Taft Residence serves as a home and teaching device, supplying one teacher, and his/her family, with a living residence while offering a learning example for the Taft students of how a high-performance home is designed. This private school was fo Read More »
Spray foam in double stud walls 25" of cellulose in attic Cellulose filling double stud wall cavities ERV Single Family Home Small baseboards provide heat
EcoVillage Ithaca: TREE

TREE is the third neighborhood to join EcoVillage Ithaca, a group of cohousing developments in northern New York that promote clean, emission-free living in a community setting. TREE is a multifamily, co-housing residence that began construction in 2 Read More »
finished! Before DER section no more roof air barrier (sort of) foam and furring yikes that's a lot of foam blower door caulking the framing custom siding profile salvaged flooring to patch our century-old floors Omnisense sensor buried in the exterior wall dense-packed cellulose
Revell Retrofit

The owners, Peter and Rachel Stevens, are also the architects. As they started renovations, it became clear that most of the systems and finishes needed replacing, which made this two-family a perfect candidate for a Deep Energy Retrofit. All the ext Read More »
Main Street elevation First Floor Plan Second Floor Plan Interior Elevation In progress Main Street Elevation Site Plan
Waitsfield Town Offices

Maclay Architects was initially hired to explore several possible project sites for renovation or new construction of the new town offices. The town offices have outgrown their current location in the lower level of the town library. They are not whe Read More »
Hobart Net Zero in Massachusetts

This is a rebuild and Deep Energy Retrofit of a 1970's ranch with a full poured cement cellar, with a 1990's addition on concrete piers. The location, within the coastal zone, precluded any expansion of the footprint, but expansion upward was allow Read More »
Original front view Original interior cat walk Original basement leaky windows Original entrance to furnace Under construction 2"x6" construction with original chimney Southern overhang for solar shading Nail base and seal before stucco First window installed Zola kitchen window from inside 18' Zola slider Impact resistant composite roof Southern deck Closed-cell foam on basement wall Foam in trusses Frontal view under construction New kitchen under constuction Finished master bedroom with alcohol fireplace Finished kitchen External 90% light-blocking remote-control shades Finished frontal view
Lakeridge Trail

When we purchased our home in Lake of the Pines, we did so for the location, not for the house.  The crazy 1975 design included 2 oversized gas furnaces that short-cycled so often the house would never get warm.  Access to one was through a 20"x20" Read More »
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