A9 Green
Reviews
Nearly 20 years experience. Thousands of projects completed. MassCEC-listed. Known for HERS ratings and ENERGY STAR new home verification.
Contact & Hours
About A9 Green
A9 Green, operating as Total Green Energy Solution LLC, is a Massachusetts-based energy efficiency consulting firm with nearly two decades of experience and thousands of completed projects throughout Greater Boston and the broader New England region. The company is a recognized leader in energy modeling, diagnostics, and efficiency improvements for both residential and new construction projects. Core services include comprehensive energy audits, blower door testing, duct leakage testing, HERS (Home Energy Rating System) ratings, ENERGY STAR new home verification, infrared thermal imaging, weatherization, insulation improvements, and green upgrade consulting. The firm holds ENERGY STAR and HERS Rater certifications and works with developers, builders, architects, and homeowners to ensure compliance with Massachusetts energy and building code requirements. A9 Green also provides guidance for Mass Save program participants, helping homeowners access rebates and incentives for energy efficiency improvements. Their thermal imaging capabilities allow precise identification of building envelope failures, air leakage points, and insulation gaps that drive energy loss. The company is listed with MassCEC (Massachusetts Clean Energy Center) and the Building America Solution Center, confirming their standing as a vetted efficiency professional. Based in Lexington, MA, they serve the Greater Boston area and broader Massachusetts market.
Service Menu
| Service | Price |
|---|---|
| Blower Door Test | Call for pricing |