BPI Building Perfornnce Institute


Entry Level Certificate of Knowledge

New York Solar Energy Society

sharp solar electricity

Solar Certified Installer

conergy pv system design and installation
PV System Design and Installation Certified * Solar Water Pumping Solutions Certified

American SOlar Energy Society

fronius inverter design and installation
Inverter Design and Installation qualified

new york city contractor
Licensed Contractor

license #1218929

Efficiency First


Home Performance

dsire usa


Henri Rivers is responsible for the overall operations, fiscal management and procurement strategies for Drumriver Consultants.

Henri reviews and signs off on every project, whether it is on efficiency improvements , renewable energy installation, total renovation or new construction.

His training as a commercial contractor building analyst and solar system installer has provided him with a wealth of knowledge to understand and assist his project managers and advise his clients.

Henri started his construction career 25 years ago with The New York State Facilities Development Corporation, as a field representative. He quickly moved up to the position of construction engineer managing projects in the multi-million dollar range. He ended his public sector service 15 years later as a project manager for the New York State Dormitory Authority, where he managed construction of The Health and Hospitals Corporation's projects in excess of $140 million dollars.

As a private sector contractor he managed and constructed numerous projects for the Port Authority of New York and New Jersey at 42nd Street bus terminal, LaGuardia Airport and John F. Kennedy Airport. He completed total renovations of commercial buildings in New York City and Brooklyn, as well as new residential construction.

Henri holds a Bachelor of Science degree in Biology, as well as Construction Management Certifications, and is currently pursuing his Master of Science degree in Green Building Construction.

Henri also holds numerous certificates and certifications from NABCEP (Photo Voltaic), OSHA, BPI (Energy Auditor, Envelope Professional, Heating Professional, Multi Family Building Analyst) , Sharp Solar, Conergy, Fronius, AEA, ARCSA, Thermography Level I.

NABCEP – North American Board of Certified Energy Practitioners
BPI – Building Performance Institute
AEE – Association of Energy Engineers
ARCSA – American Rainwater Catchment Systems Association
AEA – Association for Energy Affordability


Drum River Consultants • 1707 Dean Street, Brooklyn, NY 11213 • audits@drumriver.com • 718-744-5727