A9 Green / Total Green Energy Solution, LLC

A9 Green, operating as Total Green Energy Solution, LLC, is a building consultant based in Lexington, Massachusetts. With a perfect 5.0-star rating across 79 client reviews, the firm specializes in energy rating services for new construction homes and assists builders throughout the MetroWest region. Reviewers mention projects in Newton, Brookline, and Belmont, indicating broad coverage across communities west of Boston. The company operates Monday through Friday from 8 AM to 6 PM, providing home energy ratings, blower door testing, and related efficiency assessments.

What distinguishes A9 Green is their commitment to personalized energy consulting rather than generic inspections. Multiple reviewers praise the team for taking time to explain findings and tailor recommendations to specific homeowner budgets and needs. The firm guides clients through certification processes for energy-efficient homes and educates buyers on construction methods that reduce long-term operating costs. Reviewers with building industry backgrounds note the company's ability to identify practical improvements that maintain required performance values while qualifying for available rebates.

Several reviewers describe specific scenarios where A9 Green exceeded expectations. A homeowner working on a new construction project received a detailed report with actionable solutions rather than a generic checklist. Another reviewer mentions the team remained engaged from project inception through completion, answering questions and providing guidance throughout. Multiple five-star reviews highlight the technician's patience in explaining recommendations and ensuring clients understand the rationale behind each suggestion.