Kruger Sustainability Group (KSG)

Was founded by Abe Kruger to provide green building training, consulting and curriculum development for colleges, companies and nonprofits. Our staff frequently present at national and regional conferences and conduct green building trainings nationally.

KSG is assisting organizations through the process of becoming HERS Training and HERS Rating Providers. KSG recently completed developing a semester long green building course for York Technical College. The course is based on the HERS Rater, BPI Building Analyst and RESNET Green Rater accreditation programs. Other customers include Southface Energy Institute, Green Spaces Chattanooga, and Building Knowledge-Professional Inspection Services.

KSG is currently performing ENERGY STAR, EarthCraft House and LEED for Homes certifications around the southeast. KSG also consults with utilities on Home Performance with ENERGY STAR and ENERGY STAR for Homes program design and implementation.

KSG is quickly growing organization actively seeking new projects and qualified staff members.

Abe Kruger

Abe Kruger founded Kruger Sustainability Group in January 2009 after years of green building experience. Abe Kruger was the lead HERS trainer and Quality Assurance Designee (QAD) for Southface Energy Institute. After leaving Southface, Mr. Kruger worked as a Rater and inspector for national and regional green building programs in Charlotte, NC. He was an active member of the RESNET national Training and Education Committee and now sits on the national Technical Committee. Mr. Kruger helped to develop the RESNET National Standard for Energy Audits.

More info about Abe

Select Trainings and Presentations

Green Building 101, Green Spaces Chattanooga, Chattanooga, TN May 2009.

Week Long HERS Training, Southface Energy Institute, Atlanta, GA April 2009.

HERS 101, RESNET Conference, New Orleans, LA, February 2009.

High Performance Moisture Management and Green Building, NC Energy Star Conference, Raleigh, NC, October 2008.

HERS Rating 101: Equipment, Education, Experience, RESNET Conference, San Diego, CA, February 2007.

Affordable Housing and Green Building Panel Discussion, Georgia Affordable Housing Coalition Annual Conference, Savannah, Georgia, September, 2006.

A Career Path for Raters – The New RESNET Categories of Rater Certification, With Ken Fonorow, Florida H.E.R.O and Kristin Shewfelt, E-Star Colorado. RESNET Conference, San Antonio, TX Feb 2006.

Atlanta Green Developments Bus Tour, USGBC GreenBuild Conference. Atlanta, GA, November 2005.

BOPs: Connecting the What to the How & the Why, Affordable Comfort Conference, Indianapolis, IN, May 2005.

Professional Accreditation’s & Affiliations

To provide the best service possible and support the green building community, KSG maintains multiple accreditation’s and professional memberships including:


RESNET Rater Member

HERS Rater

USGBC GA Chapter Member


EarthCraft House Technical Advisor

NAHB Green Building Verifier

HERS Trainer/Quality Assurance Designee (QAD)

RESNET Technical Committee Member

Builders Challenge Verifier