News | February 5, 2014

Bluestone Energy Services Completes Comprehensive Energy Efficiency Project For Milton Academy, Saving The Institution Over One Million Kilowatt Hours


Bluestone Energy Services, LLC, a leader in energy conservation engineering and project development services for commercial, retail and non-profit organizations throughout the country, today announced that it has helped Milton Academy, an independent college preparatory boarding and day school, upgrade its mechanical, controls, and lighting systems through a campus-wide efficiency retrofit.

The efficiency project will save Milton over one-million kilowatt hours, 31,000 therms and 1,800 gallons of oil annually, while yielding slightly over a two year ROI, as well as electric and gas incentives from NSTAR and National Grid of nearly $400,000.

For the project, Bluestone replaced Milton’s existing pneumatic controls system and installed digital controls to the HVAC system including pumps, valves, air handling units (AHUs), chiller and heat exchangers. The new system allows scheduling strategies to be implemented on a zone basis, saving energy and reducing the need for expensive compressed air required to operate the pneumatic controls. Bluestone also installed variable frequency drives (VFDs) on AHUs and water circulation pumps, further reducing Milton’s energy consumption.

In addition to the main goal of energy savings, Bluestone’s lighting design focused on standardizing lighting technologies and color temperature. Over 5,000 fixtures were retrofitted to High Performance T8 (HPT8) technology. Additionally, LED lighting was installed in all exterior wall packs and decorative post tops. Dual technology sensors installed throughout the campus now allow for lights to switch off in unoccupied areas, further increasing energy savings.

“We are happy to have made great strides forward in our sustainability initiatives,” said Todd Bland, head of school at Milton Academy. “Our students can benefit from and learn about sustainable living practices through their day-to-day activities across our campus facilities.”

“We’re pleased to have had the opportunity to help Milton Academy update their lighting technology and assist them with other sustainability goals,” said Sean Fuller, Vice President of Business Development and Marketing at Bluestone Energy Services. “Energy efficiency measures designed and implemented by Bluestone reduced Milton’s total electricity usage by over twenty percent.”

About Bluestone Energy Services

Norwell, Massachusetts-based Bluestone Energy Services, LLC, a division of OpTerra Energy Group, provides professional engineering and project development services for utilities and corporate clients. Bluestone is a leader in demand-side management (DSM) programs for large commercial and industrial organizations. Bluestone has secured millions of dollars in utility incentives for its clients by developing and implementing hundreds of HVAC, lighting and process energy-conservation projects. Bluestone has worked with a wide array of companies including American Airlines, Biogen Idec, Genesis Management Group and Stop & Shop Supermarket Company.

Additional information can be found at

About Milton Academy

Milton Academy cultivates in its students a passion for learning and a respect for others. Embracing diversity and the pursuit of excellence, Milton creates a community in which individuals develop competence, confidence and character. The active learning environment, in and out of the classroom, develops creative and critical thinkers, unafraid to express their ideas, prepared to seek meaningful lifetime success and to live by the School’s motto, "Dare to be true."

Milton Academy is an independent college preparatory K–12 school, boarding and day in grades 9–12, located eight miles south of Boston.

Additional information can be found at

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