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A9 Green / Total Green Energy Solution, LLC - Save Energy, Save the Earth!        (781) 357-2454
resnethersraterAs Your Energy Efficiency Expert, We Provide:

  • HERS Ratings

  • MA Energy Code and Stretch Code Consulting

  • Energy Efficiency Incentive Expertise

  • Energy Audit and Building Diagnostics

  • Infrared Thermography

  • Blower Door and Duct Leakage Testing

  • 3D Rendering and Animation

  • 3D Printing

Since 2009, A9 Green has delivered HERS Ratings and energy efficiency consulting to developers, architects, and builders of single and multi-family residential projects in over 85 towns across eastern Massachusetts. Our expertise in energy modeling, architecture, and building science help build better homes while reducing costs as well as environmental impact.

Save Energy & Money

Don't risk losing out on no-brainer rebates. 

There are numerous ways to save money when building a house. From federal incentive programs to utility rebates, A9 Green has you covered. We will even deal with all the paperwork!

Read more about how we help you save money in the New England Real Estate Journal.

What's a HERS Rating?

The Home Energy Rating System (HERS) is a relative energy use index for residential homes. A HERS Index of 100 is used as a baseline and represents a quantitative value for the energy efficiency of a standard new home built in 2006. For example, a building with a HERS index of 65 is 35% more energy efficient than the baseline, while an Index of zero indicates that the Proposed Building uses no net purchased energy, or is a Net Zero Energy Building.


A9 Green / Total Green Energy Solution, LLC
(781) 357-2454

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Total Green Energy Solution, LLC
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