You can now read 10 articles in a month for free on Read as much as you want anywhere and anytime for just 99¢.

The Boston Globe


Energy services firm profits with boring efficiency

Ameresco prospers by saving clients money with a straightforward view of efficiency, focused on lighting, heating, cooling, and other simple fixes

When George P. Sakellaris started in the energy efficiency business in the late 1970s, he often encountered skepticism when he told potential clients that he could save them enough money on utility bills to cover the costs of brand new furnaces, air conditioners, and electric systems.

They were even more skeptical when he insisted that no upfront payments were necessary. His company would take care of financing and installing the equipment, and money from energy savings would pay the loans and Sakellaris’s fees.

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week