Our Impact

In five years, HEET has:

  • Organized more than 225 Energy-Upgrade Work-Parties.
  • Assisted with more than 50 solar installations.
  • Installed more than 5,000 CFL bulbs.
  • Trained more than 3,500 volunteers in hands-on energy-saving skills.
  • Reduced CO2 emissions equivalent to taking 2,169 cars off the road for a year.
  • Saved more than 3 million gallons of water.
  • Saved more than $2.7 million in energy and water bills over the lifetime of the measures installed.

Success Stories

In most of the following cases, we analyzed the pre-work and post-work energy bills (normalizing for the weather) to find how much we saved.

All savings are calculated for the lifetime of the work unless otherwise noted.

At Shambhala Meditation Center in Brookline, we achieved a 15% drop in heat use by closing off a large unneeded vent as well as programming the thermostats to turn down the heat when it’s not needed.
Savings:
13 tons of CO2.
Over $3,000.

At Tot Lot preschool in Cambridgeport, our three hours of work dropped electricity use 3%, water use 7%, and heating use 12%.
Savings:
9 tons of CO2.
8,792 gallons of water.
$2,637 in heat, electricity, and water bills.

At First Church in Cambridge, electricity use dropped 13%, water 15%, and heat 4%.
Savings:
91 tons of CO2.
115,273 gallons of water.
$29,815 in heat, electricity, and water bills.
Savings include work-party as well as new LEDs.

At the Democracy Center, a nonprofit that provides space for progressive organizations in the heart of Harvard Square, we helped raise funding to install insulation in the attic and repair the leaking chimney insulation would stay dry.
Savings:
7 tons of CO2 each year.
$2,000 per year in heating.
Funds raised through HEET, New Generation Energy, the Democracy Center community, and Cambridge Agassiz Harvard Fund.

At the Cambridge Zen Center, we installed 133 CFLs, six programmable thermostats, 10 low-flow showerheads, and did other work.
Savings:
6 tons of CO2 per year—slightly more than taking one passenger car off the road for the next seven years.
104,000 gallons of water each year for seven years.
$3,217 per year for the next seven years on heating, electricity, and water bills.

With our help, St. Bartholomew’s Church in Cambridge installed more than 90 new LED bulbs. HEET helped the church access 70% instant utility rebates. The LEDs will last 30 times longer than incandescent bulbs.
Savings:
141 metric tons of CO2—about the same as taking 26 cars off the road for one year.
$42,000.

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