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Gravel Shoal Group provides the following in Nantucket, MA:

  • Home Energy Audting
  • Duct Blasting / Duct Leakage Testing
  • Sale & installation of wind turbines, inc. Windspire units
  • Building Envelope Performance Analysis
  • Passive Solar Energy Home design
  • Heating & Distribution Analysis & Testing
  • Conservation & Energy Consulting
  • Solar Site Analysis

Our experts hold licenses in the following:

US Green Building Council
LEED BD+C

Building Performance Institute
Building Analyst
Envelope Professional
Heating Specialist

EPA certified
Indoor Air Quality Certified
Green HVAC Certified
Certified HERS Training

To book an appointment for your home or business, please call us at 508-228-3058 or email us at info@gravelshoal.com.

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