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COMcheck is a software created by the U.S. Department of Energy used as a commercial energy compliance tool to determine whether a new commercial or high-rise residential building, addition, or alteration meets the requirements of IECC 2015, ASHRAE Standard 90.1, as well as several Massachusetts-specific code requirements. Massachusetts requires a COMcheck report before issuing building permits for all commercial projects.


A9 Green's COMcheck process includes:


  • A comprehensive study of your plans - including HVAC, insulation, windows, and lighting, etc.

  • Creating proper documentation and providing you with detailed COMcheck reports for

    • Envelope

    • Interior Lighting

    • Exterior Lighting

    • Mechanical



329 Massachusetts Ave | Lexington, MA 02420

Need a COMCheck or want to learn more?


Office Hours

Mon    9:00am - 5:00pm

Tue      9:00am - 5:00pm

Wed    9:00am - 5:00pm

Thurs   9:00am - 5:00pm

Fri        9:00am - 5:00pm 

Sat             Closed

Sun            Closed


A9 Green/ Total Green Energy Solution, LLC. 

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A9 Green /
Total Green Energy Solution, LLC

329 Massachusetts Ave | Lexington, MA 02420

781-778-7054 | Info@A9Green.com