HEET

HEET

Home Energy Efficiency Team

Boston, Massachusetts, United States

GeothermalEnergy StorageSolarOtherNon-profit
Founded 200951-200 employees
Profile last updated: August 14, 2026

About

Founded in 2009, HEET is a non-profit headquartered in Boston, United States with approximately 51-200 employees specializing in Geothermal, Energy Storage, Solar.

HEET is a nonprofit climate solutions organization with a mission to drive systems change through an ethical and efficient thermal energy transition. Founded in 2009, HEET began as a grassroots effort focused on home energy efficiency and has evolved into a thermal energy innovation hub. The organization works to decarbonize heating and cooling systems, which account for a significant portion of building carbon emissions. HEET's primary focus is transforming gas utilities into thermal utilities by deploying networked geothermal (ground-source heat pump) systems. The organization conducts research on methane emissions from natural gas distribution systems, health impacts of gas appliances, and the feasibility of thermal energy networks. HEET advances policy, funds research collaborations with universities and national labs, and supports community engagement and workforce development for the energy transition. The organization does not accept funding from utilities or the fossil fuel industry.

Headquarters

Boston, United States

Founded

2009

Employees

51-200

Company type

Non-profit

Focus areas

geothermalthermal energy networksmethane emissionsgas transitionenergy efficiencyheat pumpsdecarbonizationclimate actionenvironmental justicepolicy advocacy

Products & services

Business models

B2BConsultingAdvisory

Value chain

R&DDevelopmentEngineeringConsultingAdvisoryCommunity Engagement

Service areas (5)

  • Networked Geothermal Consulting

    Technical and policy support for utilities and municipalities transitioning to thermal energy networks.

  • Gas Leak Mapping and Methane Emissions Research

    Mapping gas leaks and conducting research on methane emissions from gas distribution systems.

  • Home Energy Efficiency

    Community-based energy efficiency work parties and home energy assessments.

  • Health Impacts of Energy Systems

    Research on health impacts of natural gas and building decarbonization strategies.

  • Workforce Development

    Training and education programs for geothermal drillers and energy efficiency workers.

Locations

Headquarters

50 Milk Street 16, 02109, Boston, Massachusetts, United States

Operating locations (1)

  • 306 Congress Street, Boston, Massachusetts, United States

Service regions

United StatesMassachusetts

Projects

8

Cambridge Solar Challenge

OperationalRooftop solar PV

Program to help homes install photovoltaic panels with negotiated 20% discount, resulting in over 50 residential solar installations.

Cambridge, United States

Somerville Solar Program

OperationalRooftop solar PV

Solar installation program similar to Cambridge Solar Challenge.

Somerville, United States

Large Volume Leak Study

OperationalGas leak detection and repair

Pilot study with Columbia Gas, Eversource, and National Grid confirming that fixing large gas leaks cuts methane emissions in half and establishing methods for identifying high-volume leaks.

United States

Framingham Networked Geothermal Project

OperationalGround-source heat pump network

First utility-owned networked geothermal project in the nation, demonstrating thermal energy networks for heating and cooling.

Framingham, United States

Learning from the Ground Up (LeGUp)

OperationalGround-source heat pump network

Research collaboration between universities and national labs studying impacts and scalability of networked ground-source heat pumps.

United States

EJ Air Program

OperationalEnergy efficiency retrofit

Program helping residents of Dorchester, Roxbury, and Charlestown access subsidized home energy efficiency upgrades.

Boston, United States

Breathe Easy at Home

OperationalAppliance efficiency

Program distributing induction cooktops to Boston residents with gas stoves being treated for asthma.

Boston, United States

Eastie Farm Geothermal Project

OperationalGround-source heat pump

First geothermally powered farm in the region, now a community asset for year-round food distribution and education.

Boston, United States

Credentials & affiliations

Awards

Bostonians of the Year Award

2024

Grist 50 Award

2024

Geothermal Special Achievement Award

Geothermal Rising Conference2023

Five on Fire Award

PIVOT2023

Constellation Prize for Energy Transitions

2021

Excellence in Sustainability Award

American Planning Association2020

Community Clean Air Grant

2020

Mass Energy Leadership Award

2016

Every Town Needs A Squeaky Leak Award

2017

GoGreen Award

City of Cambridge2009

EPA Regional Environmental Merit Award

2010

Industry memberships

IGSHPANGWAGeothermal Drillers AssociationRESNET

Partnerships

Columbia Gas, Eversource, National Grid, Harvard T.H. Chan School of Public Health, Boston University, MIT, PSE Healthy Energy, All In Energy, C40 Cities Climate Leadership Group, Building Decarbonization Coalition, Aztech Geothermal

People

Management & team

  • Audrey Schulman

    Co-Executive Director

  • Zeyneb Magavi

    Director of Gas to Geo Transition

  • Angie Alberto Escobar

    Director of Gas to Geo Transition

  • Katherine Fisher

    Director of Methane Emissions

  • Molly Fairchild

    Director of Healthy Homes

  • Isabel Varela Gutierrez

    Director of Science, Learning from the Ground Up project

  • Asha Nigh

    Manager of Research Collaborations

  • Eric Juma

    IT Lead

  • Nopalzin Torres

    Director of Finance

  • Rachel DeFronzo Wheeler

    Program Director

  • Kari Bender

    Assistant to the Executive Director

  • Rebecca Brenneis

    Science Team Member

  • Archana Dayalu

    Science Team Member

  • Andrew Iliff

    Policy and Partnerships Lead

  • Carrie Klein

    Science Writer and Communicator

  • Kannan Thiruvengadam

    Community Engagement

  • Molly

    Community Engagement

  • Caesar Garduno

    Policy Analyst

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