Green Star Energy Solutions is a design-build building performance contractor serving the metropolitan New York City  and southwestern Connecticut area.

Green Star Energy Solutions is a building performance contracting firm whose mission is to make the buildings we live and work in energy efficient, comfortable, safe and sustainable. We provide expert building energy analysis to identify the most cost effective conservation measures. Green Star provides a full scope design, engineering and construction services throughout the Northeast and delivers long-term value through innovative strategies and technologies. Our solutions include high performance HVAC systems and building enclosure measures.

Established in 2006 Green Star has provided building performance improvements to over 4,000 buildings throughout the Northeast. Green Star is the only company in the region that specializes in the design and installation of high performance VRF heat pump heating and AC technology.