Aircuity is the leading manufacturer of integrated sensing and control solutions that cost-effectively reduce building energy and operating expenses while simultaneously improving its indoor environmental quality. Aircuity's game-changing technology of remote sampling with centralized sensing addresses acknowledged deficiencies inherent in conventional approaches to optimizing building ventilation. The result is sensing-based ventilation control that finally delivers on the long-sought promise of buildings designed for both energy efficiency and environmental quality in response to dynamic building conditions at a time when this matters more than ever.

Blue Hill invested mezzanine debt as part of a larger equity round and holds a seat on the Aircuity board.

Website: www.aircuity.com

Field Diagnostic Services provides internationally recognized expertise for developing leading edge monitoring and diagnostic solutions for the HVAC&R industry. These solutions are generated from proprietary technologies, services and products that deliver front line decision support for technicians, contractors, end-users, and other stakeholders. Products sold automatically document equipment and service performance both at the job site and via the Internet. They reliably detect and diagnose operational problems, recommend preferred remediation, provide repair verification and describe in dollars and cents potential and realized benefits.

Blue Hill invested venture debt in the company to facilitate growth.

Website: www.fielddiagnostics.com

Encelium Technologies is an advanced lighting control company which has developed a proprietary building energy control system that reduces lighting related energy costs by 50% to 80% while at the same time improving lighting quality, occupant productivity and workplace ergonomics. Recent customers include Aqua America, Astra Zeneca and Thomas Jefferson Hospital.

Blue Hill led equity investments in the company’s Series A round along with two other Toronto based firms. Blue Hill also provided follow-on mezzanine debt to fund further growth of the company. Blue Hill holds a seat on the Encelium board.

Website: www.encelium.com

Princeton Energy Systems (PES) is a specialty energy consulting and project services company focused on on-site generation, advanced energy efficiency, renewable energy and energy management. Princeton has unique strengths and experience developing and designing integrated energy infrastructure projects in a manner that brings the greatest economic value and energy performance to property owners and facilities. Representative customers include: Liberty Properties, Wayne Township NJ and the Philadelphia Water Department.

Blue Hill led equity investment in Princeton and Joyce Ferris of Blue Hill chairs Princeton's board of directors.

Website: www.princetonenergysystems.com

Connected Energy Corp. (CEC) provides an integrated hardware and software solution for remote, real-time Internet based control of mission critical resources including energy and industrial equipment. Connected’s technology enables equipment owners, energy service companies and utilities to monitor energy usage, perform remote diagnostics, predict equipment failure, and dispatch and dynamically adjust load securely through a standard browser. Key customers include Duke Energy, California Energy Commission and Southern California Edison.

Blue Hill is an equity investor in CEC and holds a seat on the board.

Website: www.connectedenergy.com

Advanced Energy Partners (AE) is a development company focussed on developing, owning and operating a portfolio of installed renewable energy and energy efficiency assets in buildings and facilities. Current customers include Whole Foods and Verizon Communications.

Blue Hill is a founding shareholder of Advanced Energy and currently manages the company. Blue Hill holds all of the board seats for AE.

Website: www.advancedenergypartners.com

PaceControls holds a license for an advanced energy efficiency device that can be applied to a range of heating, air conditioning and refrigeration applications. Current primary applications are in small-to-medium commercial HVAC and refrigeration equipment. Representative customers include Whole Foods, Long Island Power Authority and McDonald’s.

Blue Hill is a founding shareholder of Pace and provides ongoing management support for the company.

Website: www.PaceControls.com