Since 2009, HEET has organized and hosted energy-upgrade work-parties with many community partners. Working with our sister groups, HEET has trained over 3,500 volunteers and made improvements in over 225 buildings.

HEET has collaborated with dozens of local organizations, some of which include:

Cambridge Energy Alliance
City of Cambridge
City of Boston
Co-op Power
Environmental Justice League of RI
Green Justice Coalition
Massachusetts Climate Action Network
Massachusetts Green Jobs Coalition
Massachusetts Interfaith Power and Light
New Generation Energy
Students for a Just and Stable Future
Sustainable Business Network
Renew Boston
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