….technical excellence, practical solutions…

High Performance Green Home Verification, Energy Modeling, Building Science, ENERGY STAR, Sustainable Building Practices

Established 2005

Why Clients Work with JHA to Guide Their New Construction Green Home Projects

Jay is the most knowledgeable person in Maryland on Green Homes

  • PhD Mechanical Engineer (Building Science)
  • Primary developer of original ENERGY STAR for Homes program
  • Primary developer of LEED for Homes program
  • Reviewed close to one thousand completed green home projects nationally
  • Compared similarity and differences in major green programs


Well developed a database of PRACTICAL GREEN measures

  • What works? Does not work?
  • Cost and benefits for each green measure
  • Lowest cost to certification


Green is Affordable!

  • Generous incentives are greater than the cost of the green upgrades!!!
  • See adjacent chart for Anne Arundel County


Fully credentialed green verifiers

  • HERS Rater / ENERGY STAR for Homes
  • LEED for Homes Green Rater
  • National Green Building Standard (ICC 700-2012) Green Verifier


Jay is a compelling communicator and best in class trainer

  • Green Associates
  • LEED APs
  • Green Rater

 Call Jay to guide your next green home project:

Jay Hall, Phd 
410 263-3162
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