High Performance Building Experts Since 2005

Serving Maryland, DC, Virginia, and Delaware for over 19 years

Residential Specialists

Our Services

Experience the JHA Difference

Nationally Recognized Technical Experts

As early consultants to the EPA, we helped found the original ENERGY STAR and USGBC LEED above code programs giving us unique insights and perspective on the high-performance building industry.  We are also currently a LEED for Homes / Mid-Rise Certification Reviewer and a LEED Provider.  Additionally, with 3 engineers on staff specializing in heat transfer and thermal analysis we have the expertise you need.

Best-in-Class Communication

JHA prides itself on providing constant high-quality communication and exceptional customer service throughout your entire project.  Leadership through Service is our motto.  JHA also provides a continuous learning environment for all staff.  To keep on top of the latest information and industry best practices, our team is constantly exposed to interactive meetings, presentations, and external training classes.  We are also highly trained on all the latest above code programs including:  LEED Mid-Rise, LEED for Homes, the National Green Building Standard or NGBS (ICC-700), RESNET HERS, ENERGY STAR, PHIUS - Passive House, and ASHRAE Commissioning (BCxP).


35 Years Experience - Focused ONLY on Residential High Performance Buildings including both Multifamily Buildings and Single Family Homes. Some of our current year projects include:  15 Mid-Rise Multifamily Buildings (2,300 units) certified to LEED Gold, LEED Platinum, NGBS Silver, NGBS Gold, PHIUS Passive House, and Enterprise Green Communities.  We have also certified over 50 custom homes and over 1000 production homes to the highest standards required by LEED for Homes, the National Green Building Standard (NGBS), PHIUS Passive House, and ENERGY STAR for Homes programs this year.