Over 25 Years of Green Home Building Leadership
Established in 1998 by brothers Mike and Chris Trolle, BPC Green Builders was one of the very first builders in Connecticut to specialize in high-performance, sustainable green homes.
Today, BPC is a worker-owned cooperative and widely recognized as the leading custom green builder in Connecticut and adjoining areas of New York state, completing 69 of the highest-performing and most energy-efficient custom home projects in New England, including 42 new homes and 27 deep energy renovations.
A Leading Authority on Green Home Building
Our work and expertise have been featured in:
Consumer Publications
- The New York Times
- Connecticut Magazine
- CPTV’s series “Connecticut’s Energy Future”
- The Home Monthly
- Connecticut Magazine
- NewsTimes
- Westfair Online
- Ridgefield Magazine Press
- New Canaan News
- The Litchfield County Times
- Sierra Club Quinnehtukqut
- Bedford & New Canaan Magazine
Trade Press
- GreenBuilder
- GreenBuilder – The Green Design Guide
- Energy Design Update
- Build with Propane, News
- U.S. Department of Energy Challenge Home Case Studies
- Green Home 2014 Annual Issue
- Green Home 2012 Annual Issue
- Green Home 2011 Annual Issue
- Green Home 2009 Annual Issue
Training and Certifications
Our staff holds degrees, certifications and/or have been extensively trained in:
- Green Building
- EPA Energy Star Construction
- DOE Zero Energy Ready Homes
- LEED for Homes
- Passive House (Passivhaus)
- Passive House PHIUS Standards
- Sustainability
- Building Science
- Energy Efficient Construction
- Engineering
- Real Estate Development
- Performance Rating
- Healthy Home Construction
- Indoor Air Quality (IAQ) Assessment
- and more…
BPC Homes Earn Top Industry Awards and Certifications
BPC Green Homes have won numerous building industry awards and residential green building and healthy home-related certifications. Most homes we build or renovate earn more than one certification.
Governmental Certifications and Awards
Zero Energy Ready Home Certification
All BPC homes today are engineered to meet or exceed the US DOE Zero Energy Ready Home program certification standards.
Six-Time Winner of DOE National Housing Innovation Awards
- 2021 Winner – Innovation in Custom Homes (For Buyer) — View this home here
- 2020 Winner – Innovation in Custom Homes (For Buyer) — View this home here
- 2017 Winner – Innovation in Custom Homes (For Buyer) — View this home here
- 2015 Grand Prize Winner – Custom Innovation on the Path to Zero Net-Energy Ready Homes — View this home here — Download the DOE’s case study for this project
- 2014 Winner — Custom Innovation on the Path to Zero Net-Energy Ready Homes — View this home here — Download the DOE’s case study for this project
- 2013 National Housing Innovation Award — Custom Innovation on the Path to Zero Net-Energy Ready Homes — View this home here — Download the DOE’s case study for this project
ENERGY STAR and Indoor airPLUS Certifications
All homes BPC builds meet or exceed ENERGY STAR and Indoor airPLUS certification standards.
Green Building Organization Certifications and Awards
Passive House Institute US (PHIUS)
The following BPC Green Homes have been certified as Passive House Homes:
- New colonial style home in Clinton, NY (2017)
- New Historic Colonial-style home in Watertown (2015)
- New cottage-style home in Danbury (2014, the first Passive House certified by PHIUS in Connecticut)
Connecticut Zero Energy Challenge, sponsored by the Connecticut Clean Energy Fund
- New house built by BPC in Watertown (2014, 3rd place award and Honorable Mention) — View video of the home here
- New house built by BPC in Danbury (2013, winner of the award for Lowest Home Energy Rating System (HERS) Index without Renewable Technologies) — View video of the home here
- New house built by BPC in New Fairfield (2012, winner of the award for the Lowest Home Energy Rating System (HERS) Index without Renewable Technologies) — View video of the home here
- The Kantor House (2010, 3rd prize) — View video of the home here
Additionally, in 2020 BPC Green Builders, Inc. and its principals, Mike and Chris Trolle, were awarded the Peter Harding Service Award in recognition of BPC’s long history of building extremely energy-efficient, high-performance, near-zero energy and net-zero energy homes.
US Green Building Council (USGBC) – LEED for Homes
The USGBC named The Taft School Faculty Residence built by BPC as the Outstanding Single-Family Project in the US for 2015. It is Connecticut’s first building to achieve LEED Platinum certification under the Building Design and Construction rating system for Homes using the new and more stringent LEED v4.
Additional LEED for Homes certified projects include:
- 2017 LEED Platinum: New colonial style home in Clinton
- 2015 LEED Silver: Fully renovated colonial style house in Ridgefield
- 2015 LEED Platinum: New historic colonial-style home in Watertown
- 2014 LEED certified: New neo-traditional-style home in Ridgefield
- 2013 LEED Platinum: New contemporary-style home in New Fairfield
- 2013 LEED Gold: New neo-traditional-style home in Norwalk
- 2012 LEED Platinum: New contemporary-style home in Norwalk
- 2010 LEED Platinum: Fully renovated and expanded cape-style house in Ridgefield (first home certified at the platinum tier in Fairfield County)
- 2009 LEED Platinum: New Adirondack-style home in New Canaan
- 2007 LEED Silver: New neo-traditional-style home in Bethany (one of the first LEED certified homes in the country during the pilot phase of the program)
The Connecticut Green Building Council
- New Colonial-style home (2015, “Award of Honor,” the CTGBC’s top residential award)
- The Lawrence House (2013, Merit Award)
- The Costigan House (2012, Merit Award)
- The Kantor House (2010, named “The Most Intriguing Residence in Connecticut”)
- New Saltbox Home (2008, named “The Most Intriguing Residence in Connecticut”)
Green Builder magazine
- The Kantor House — “Best Use of Advanced Building Technology”, 2010 Green Home of the Year Awards — Read their article on the house here
Townvibe
- 2019 Townvibe Green Award, for significantly incorporating green practices into their culture and operations
Home Builder Association Certifications and Awards
National Green Building Standard™ Emerald Certification, NAHB Research Center
- 2009, New Adirondack-style Home in New Canaan, certified at top Emerald tier
HOBI Awards, sponsored by the Connecticut Home Builders Association
- 2021 Best Green Energy-Efficient Custom Home
- 2011 Best Energy Efficient/Green Remodel, Renovated Colonial in Ridgefield
- 2006 Best Energy Efficient/Green Home, Saltbox Home in Norfolk
- 2004 Best Energy Efficient/Green Home, Four-Square Victorian Reproduction Home in Redding
Health Association Certifications and Awards
American Lung Association Health House2000, New, super-insulated home in Roxbury (BPC is the first and only builder in Connecticut to complete a home meeting the rigorous requirements of ALA Health House program)
Established in 1998 by brothers Mike and Chris Trolle, BPC Green Builders was one of the very first builders in Connecticut to specialize in high-performance, sustainable green homes.
Today, BPC is a worker-owned cooperative and widely recognized as the leading custom green builder in Connecticut and adjoining areas of New York state, completing 69 of the highest-performing and most energy-efficient custom home projects in New England, including 42 new homes and 27 deep energy renovations.
Our Service Area
In Connecticut
Fairfield County: Bethel, Bridgeport, Brookfield, Danbury, Darien, Easton, Fairfield, Georgetown, Greens Farms, Greenwich, Monroe, New Canaan, New Fairfield, Newtown, Noroton, Norwalk, Redding, Ridgefield, Rowayton, Sandy Hook, Shelton, Sherman, South Norwalk, Southport, Stamford, Stratford, Tokeneke, Trumbull, Weston, Westport, Wilton
Litchfield County: Bantam, Bridgewater, Goshen, Kent, New Milford, New Preston, Roxbury, South Kent, Washington, Washington Depot, Watertown, Woodbury
New Haven County: Ansonia, Beacon Falls, Bethany, Branford, Derby, Hamden, Middlebury, Milford, New Haven, Orange, Oxford, Seymour, Southbury, Waterbury, West Haven, Woodbridge
In New York
Westchester County: Amawalk, Armonk, Bedford, Cross River, Croton Falls, Goldens Bridge, Katonah, Kitchawan, Lewisboro, Mount Kisco, North Salem, Pound Ridge, Purdys, Rye, Rye Brook, Somers, South Salem, Waccabuc, Yorktown Heights
Putnam County: Brewster, Carmel, Garrison, Mahopac
Dutchess County: Beacon, Fishkill, Hopewell Junction, Lagrangeville, Millbrook, Pawling, Pleasant Valley, Red Hook, Rhinebeck, Rhinecliff, Wappingers Falls
Licensed and Insured
The legal name of our company is Building Performance Cooperative, Inc. We do business in Connecticut as BPC Green Builders, Inc. where we are licensed as a New Home Contractor (#0014220) which also allows us to work on home renovations. We do business in New York as BPC Green Builders of New York, Inc. where licensing takes place at the county level, if at all. For example, no licensing is required to build a new home in Westchester County. We obtain and renew these licenses as required. We are insured in both Connecticut and New York as required by law.