HERS Rater



Green Guru is a sustainability focused Owners Representative and Home Energy Rating Consulting Company. We get involved with Capital Improvement, New Construction, Development project management services for building owners, developers, asset management teams, condo boards, coop boards, property management companies for multifamily residential or commercial properties. We also have a strong focus on single family homes energy Effecient home construction,  

Green Guru, LLC is unique becuase we can also provide sustainability advisory services focused on building “in house” corporate sustainability expertise for companies looking to expand their internal resources and business platforms.

Green Guru, LLC provides its clients with the ability to create investment opportunities that directly impact asset performance through the lense of health, energy, water and building material flows.

Through a discovery process Green Guru, LLC can help you find or administer green repositioning opportunites and align your investment strategey with a sustainability focus.   


Founded by Michael A. Catalano in the 1st quarter of 2017, Green Guru, LLC was created to fill a real estate and energy effeciency market niche.

Owners, Developers, and Property Managers who want to become more sophisticated in sustainability or building systems would be interested in working with Michael and Green Guru, LLC since our approach is transparent and accounts for the learning curve in each project.

Pulling from 10 years of experience in Architecture, Real Estate development, Owners Representative, Construction Management and Sustainability Management work. Green Guru, LLC always takes a multi-disciplinary approach towards all our projects. 

Michael A. Catalano, founder of Green Guru, LLC is a RESNET HERS Energy Rater, Building Performance Institute (BPI) Multifamily Building Analyst (MFBA) Professional, LEED Green Associate, NYC DOB Approved Energy Auditor and has overseen building energy and water data collection, benchmarking and energy audits for over 90 buildings across the country throughout the course of his professional career. Michael has been involved with over 1 megawatt of Solar Production bring experience in all phases from feasibility, financial payback, SREC, ZRECS, contract negotiation, rebates, power purchase agreements, lease to own, onsite installation oversight, maintaining roof warranties, productivity tracking and maintenance agreement management. Michael brings more than 10 years of architecture, development, project management, construction, asset management and sustainability expertise to each client and project.

Michael earned a master’s degree in Urban Environmental Systems Management from Pratt Institute and a master’s degree in Sustainability in the Built Environment from The City College of New York. He received his professional Bachelor of Architecture degree from New York Institute of Technology.  
HERS Rater, Long Island