Karla Butterfield
LEED AP Homes, Phius Certified Verifier
Sustainability Director
Steven Winter Associates
Energy / Sustainability Consulting
1.4M GSF
6 Projects
34 Years Experience
LEED AP Homes, Phius Certified Verifier
Sustainability Director
Steven Winter Associates
Energy / Sustainability Consulting
1.4M GSF
6 Projects
34 Years Experience
Established 1946
Civil Engineering
Electrical Engineering
Energy Engineering
1.4M GSF
3 Projects
1 Professional
CPHC®, LEED GA
Energy Modeler and Building Performance Consultant
Building Evolution Corporation (BEC)
Energy Engineering
Energy / Sustainability Consulting
1.3M GSF
21 Projects
6 Years Experience
ASHRAE BEMP, CEM, CPHC®, Phius Certified Verifier
Senior Building Scientist
Building Evolution Corporation (BEC)
Energy Engineering
Energy / Sustainability Consulting
1.3M GSF
15 Projects
18 Years Experience
Established 1988
Architecture
1.3M GSF
5 Projects
Architecture
Energy / Sustainability Consulting
1.3M GSF
3 Projects
10 Years Experience
Established 1945
Civil Engineering
Electrical Engineering
1.2M GSF
8 Projects
Established 1967
Architecture
1.2M GSF
2 Projects
Associate Principal
Arrowstreet
Architecture
1.2M GSF
2 Projects
Established 1935
Architecture
1.2M GSF
4 Projects
ASHRAE BEMP, CPHC®, LEED AP BD+C
Associate
Thornton Tomasetti
Energy / Sustainability Consulting
1.2M GSF
7 Projects
11 Years Experience
Associate Principal
Arrowstreet
Architecture
1.2M GSF
4 Projects
Established 1932
Architecture
1.1M GSF
5 Projects
Established 2002
Architecture
1.1M GSF
8 Projects
2 Professionals
Established 1969
Architecture
1.1M GSF
4 Projects
1 Professional
LEED AP BD+C
Senior Sustainability Consultant
enviENERGY Studio
Energy / Sustainability Consulting
1.1M GSF
6 Projects
6 Years Experience
LEED AP BD+C, CPHC®
Head of MA Office/Passive House Team
Steven Winter Associates
Architecture
Energy / Sustainability Consulting
1.1M GSF
7 Projects
28 Years Experience
Established 1976
Electrical Engineering
Energy Engineering
Mechanical Engineering
983K GSF
6 Projects
1 Professional
Established 1955
Architecture
Civil Engineering
Electrical Engineering
975.5K GSF
7 Projects
2 Professionals
Established 1952
Civil Engineering
951.1K GSF
2 Projects