AEE – Association of Energy Engineers – The Association of Energy Engineers (AEE) is a nonprofit professional society offering a variety of certifications to recognize expertise in the areas of energy, power, green facilities, high performance buildings and industry.

American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) ASHRAE, accredited by ANSI under ISO/IEC 17024 for the High-Performance Building Design Professional (HBDP) program, has certified more than 2,000 Built Environmental Professionals. ASHRAE also administers Building Energy Assessment Professional Certification (BEAP), Building Energy Modeling Professional Certification (BEMP), Commissioning Process Management Professional Certification (CPMP), and Operations & Performance Management Professional Certification (OPMP).

BPI – Building Performance Institute – The Building Performance Institute, Inc. (BPI) is a national standards development and credentialing organization for residential energy efficiency retrofit work. BPI offers professional certification examinations on the assessment and upgrade of residential buildings – both single-family and multifamily.

ETA International (electronics technician certification programs, electronics association) – ETA’s Renewable Energy Certification Program offers credentialing in Photovoltaics, Residential & Commercial Wind, Hybrid Integration, and Electric Vehicle Technology, all requiring a hands-on component.  ETA certifications provide three career track pathways in Renewable Energy technology – Installer, Integrator, and Maintainer.

GBCI – Green Building Certification Institute – The Green Building Certification Institute is a third-party organization that provides independent oversight of professional credentialing and project certification programs related to green building.

IGSHPA – Down to Earth Energy– The International Ground Source Heat Pump Association promotes the use of ground source heat pump technology by providing training with an IGSHPA accredited trainer and administering an accreditation/certification exam.

International Association Of Certified Home Inspectors (InterNACHI) devoted to maintaining the highest standards of the trade. InterNACHI certification requires that inspectors pass an inspector examination, take a Standards of Practice quiz, and adhere to those standards, complete a Code of Ethics course, and abide by that code, and attend continuing education courses to maintain certification.

International Association of Electrical Inspectors promotes professionalism within the electrical inspector field-of-practice through the Certified Electrical Inspector Certification (CEI) Program.

Interstate Renewable Energy Council (IREC) – IREC evaluates clean energy training providers and instructors against their rigorous industry-developed standards. Only those who demonstrate their commitment to preparing students for real jobs receive the IREC Credential.

NABCEP – The North American Board of Certified Energy Practitioners – NABCEP is a non-profit, voluntary professional credentialing organization that certifies experienced practitioners in the fields of photovoltaics and solar heating. NABCEP’s PV Installation Certification is accredited by ANSI to ISO standard 17024.

NATE – North American Technician Excellence  – Non-profit certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration (HVAC/R) industry.

Passive House Academy is accredited by the German Passivhaus Institut as a Passive House Certification body, and provides certification services worldwide. PHA administers Passive House Designer certification, Passive House Tradesperson certification, and Passive House building certification.

Passive House US PHIUS provides certification for Passive House Consultants (CPHC), Passive House Builders, PHIUS+Raters, and Passive House buildings.

RESNET HERS Index The Residential Energy Services Network (RESNET) is an independent, non-profit organization that administers HERS, a nationally recognized system for inspecting and calculating a home’s energy performance, and certifies HERS Raters.

Roof Integrated Solar Energy (RISE) – Created to provide a means of evaluating and certifying solar roofing professionals to support the widespread use of rooftop solar energy, and provides the public with tools to identify skilled rooftop solar energy professionals.

UL Knowledge Services – The PV System Installer certification program’s goal is to improve the safety and performance of PV systems through a more qualified workforce. It is open to qualified electricians.

ICC-SRCC – Solar Rating and Certification Corporation – The International Code Council (ICC)’s Solar Rating and Certification Corporation administers certification, rating, and labeling programs for solar collectors and a similar program for complete solar water and swimming pool heating systems.

SWCC – Small Wind Certification Council – An independent certification body which certifies that small wind turbines meet or exceed the performance, durability, and safety requirements of the AWEA Small Wind Turbine Performance and Safety Standard.

Notice to Users of the IREC Directory

The Interstate Renewable Energy Council, Inc.  makes a significant effort to maintain current and accurate information in this Credentialing Bodies listing.  However, IREC does not warrant or guarantee the accuracy, completeness, timeliness, or fitness of the information contained herein for any purpose.  By identifying these credentialing bodies, IREC does not endorse or guarantee the credentialing bodies’ services or activities, or any business or other organization with which the credentialing body may be affiliated.  IREC does not endorse or support the products or services of any other organization, business, or individual.

Notice to Credentialing Bodies Seeking to Participate in the IREC Directory

IREC reserves the right to accept or decline an organization’s request to be included in this listing, in its sole discretion.  In determining whether to accept or reject a request, IREC may consider the content and validity of the credentialing program, including the program’s policies and procedures.  Concerning this review, IREC may request information and documentation demonstrating that the credentialing program has been developed consistent with appropriate industry standards, including, but not limited to, openness and transparency in credentialing program development, involvement from all appropriate stakeholder groups, and policies and procedures ensuring fair decision making.  Renewable energy and energy efficiency credentialing bodies interested in being included in this IREC Directory should contact IREC at






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