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Our Knowledge
Our staff of highly qualified professionals help clients with their energy, engineering and sustainability needs. The principals are well recognized industry leaders with expertise in energy efficiency and environmental policies.
Project Experience
Green Banyan Consulting is a multi-disciplinary energy engineering consulting firm. GBC offers services including project inspections and energy savings calculations, benefit cost analysis, utility program support, energy technology research and design, HVAC design, and energy auditing.
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500+ engineering reviews of C&I Projects
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300+ site visits
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10+ ENERGY STAR Building certification
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Tool development and technical support since 2020
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Utility EV programs audit review
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Annual Program Planning & BCA
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Registered Professional Engineers in CT, CA, DC, MA, MD, ME, NC, NY & VT.
Our Clients








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