The Science and Standards Behind Pearl SCORE^™

Robin is a national expert on the valuation and financing of energy efficiency and home performance. In the mid-2010’s he co-founded a national non-profit, the National Home Performance Council, that developed strategies to bring residential energy efficiency to scale. He currently chairs the Building Performance Institute (BPI) Data and Modeling Standards and Technical Committee, and previously coordinated the development of multiple national energy efficiency standards, including the Home Performance XML (BPI-2100) and “Calibration” (BPI-2400) standards. He also launched and coordinated the National Energy Screening Project, a national initiative to improve utility cost-effectiveness screening practices.

Robin previously served as the Managing Director of the National Home Performance Council, a national non-profit created by the U.S. Department of Energy to develop policy solutions for scaling residential energy efficiency. He also served as the Executive Director of Hope Community, Inc. a New York City non-profit that built and managed over 1,200 units of affordable multifamily housing, and supported the Argentine Forensic Anthropology Team.

Robin holds a Ph.D. and M.A. in Anthropology for the New School for Social Research, a B.A. in Political Science and Anthropology from McGill University, and an International Baccalaureate from the United World College of the Adriatic.

With Jeff Friesen and Ben Mailian, he co-developed Snugg Pro, the nation’s most widely used contractor energy modeling tool. Adam and Jeff also co-founded Radiant Labs, a firm that developed ground-breaking hourly energy modeling software designed to model large-scale (city, state, and national) aggregations of residential and commercial buildings, and to create state-of-the-art energy upgrade recommendations. Radiant Labs was purchased by Pearl in early 2025.

In addition to co-founding Snugg Pro and Radiant Labs, Adam founded Sustainably Built, LLC, a consulting company dedicated to educating architects, builders, and homeowners on the construction of high performance homes, sound building science, sustainable building methods and materials, and job site recycling and deconstruction. He also served as a consultant for the Boulder Colorado’s Center for ReSource Conservation during the creation of their green building program.

Adam holds a Bachelor of Arts in Philosophy, with a minor in Third Stream Computer Science at Oberlin College. He also has a Construction Management Certificate and Green Building Certificate from Colorado State University in Denver.

Casey Murphy has over 30 years of expertise in building science and energy efficiency, informed by his hands-on experience as a home performance contractor. His deep understanding of home performance stems from years of working directly with homeowners to improve their comfort, health, and home performance. His technical expertise and commitment to quality are reflected in his contributions to the Building Performance Institute’s (BPI) Standards and Technical Committee (STC) and to the development of the ANSI/ACCA 9 QIvp-2016 HVAC Quality Installation Verification Protocols. He has helped design and implement the quality assurance and quality control systems that form the backbone of the Pearl SCORE™, ensuring it provides both technical precision and clear pathways for home performance upgrades.

A sought-after national speaker, Casey has delivered presentations and publications on home performance, energy efficiency, and building science at leading industry events, including:

Before joining Pearl, Kerry established herself as a leader in the energy efficiency and sustainable building space. She served as the Executive Director of the Efficient Windows Collaborative (EWC), a nonprofit dedicated to advancing energy-efficient fenestration technologies. She also worked as a Senior Research Fellow at the Center for Sustainable Building Research at the University of Minnesota, where she spearheaded groundbreaking research in window technologies, human comfort, and residential energy efficiency.

With advanced credentials including LEED AP BD+C, WELL AP, Fitwel Ambassador, and Certified Aging in Place Specialist, Kerry’s work remains deeply rooted in promoting healthy, comfortable, and sustainable homes. Her academic foundation includes a Bachelor’s and Master’s degree in Architecture from the University of Minnesota College of Design, as well as a Certificate in Data Visualization and Analytics from the same institution’s College of Continuing and Professional Studies.

Throughout her career, Kerry has contributed significantly to the home performance field’s body of knowledge through key publications, including guidelines for energy-efficient window systems and retrofit technologies. Her research has informed policy, improved product design, and reshaped how comfort and energy performance are evaluated in building enclosures.

Key Publications

• Plum, C., G. Brandstrom, K. Haglund and J. Carmody. “Window Retrofit Technologies: Increased Energy Efficiency without Replacement.” Center for Energy and Environment, March 2015.

• Haglund, K., J. Larsen. “Quantifying Comfort for Use on the Efficient Windows Collaborative’s Window Selection Tool.” Journal of the National Institute of Building Sciences, Vol. 1, No.2, August 2013.

• Carmody, J., K. Haglund. “Measure Guideline: Energy-Efficient Window Performance and Selection.” Office of Energy Efficiency and Renewable Energy, November 2012 (https://www.nrel.gov/docs/fy13osti/55444.pdf).

• Petermann, N. and K. Haglund. “Façade Design Resources Facilitate Energy Efficiency Choices.” USGlass Magazine, October 2011.

• Carmody, J., K. Haglund, and Y.J. Huang. “Awnings in Residential Buildings: Impact on Energy Use and Peak Demand.” August 2007.

She developed the logic underpinning the system, integrating advanced building science principles with 20+ public and private datasets. Her work ensures that Pearl’s energy modeling and Pearl SCORE™ systems are both data-driven and technically rigorous. Throughout her career, Kelly has demonstrated expertise in data engineering, energy modeling, and quality assurance. As Director of Building Science at Radiant Labs, she led efforts in data pipelines, energy analysis, and program quality control. Prior to that, she served as an engineer and project manager for Energy and Research Solutions, where she focused on impact evaluation and market characterization within the energy efficiency sector.

Kelly’s commitment to sustainable development extends beyond her professional roles. She has a long history of involvement with Engineers Without Borders and other nonprofits working to improve infrastructure and development in rural, international communities.

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With Adam Stenftenagel and Ben Meilan Jeff co-developed Snugg Pro, the nation’s most widely used contractor energy modeling tool, which was purchased by national utility program implementation firm Franklin Energy in 2024. Jeff, Adam, and Ben also co-founded Radiant Labs, a firm that developed ground-breaking hourly energy modeling software designed to model large-scale (city, state, and national) aggregations of residential and commercial buildings, and to create state-of-the-art energy upgrade recommendations. Radiant Labs was purchased by Pearl Certification in early 2025

Before joining Pearl, Jeff served as Co-Founder and CTO of Radiant Labs and Co-Founder and CTO of Snugg Pro. He previously served as an Associate Scientist at the National Center for Atmospheric Research (NCAR). As market director, he played a key role in the growth of a firm that has become one of the largest tour operators in Thailand.

Jeff holds an M.Sc. from the University of Colorado, Boulder, and a B.Sc. from the University of Washington.

At Pearl, Noel ensures the precision, integrity, and industry alignment of the Pearl SCORE™, advancing tools that empower homeowners to embrace and prioritize home performance.

Noel has dedicated his career to creating innovative solutions that drive the home performance industry. Before joining Pearl, he spent 14 years as a Senior Research Engineer at the National Renewable Energy Laboratory (NREL), where he tackled some of the industry’s most complex challenges in large-scale energy modeling.

His work has been published extensively, with research covering everything from Home Energy Score advancements to high-resolution modeling frameworks that bring actionable insights to energy professionals.

A certified master trainer and nationally recognized building science expert, John combines field-tested knowledge with a passion for quality and performance to ensure Pearl certifications reflect the highest industry standards. John joined Pearl’s team in 2018 with a rich background spanning residential, commercial, and heavy industrial construction. His decades of field experience provide him with an exceptional understanding of building systems, construction methods, and applied energy efficiency practices. This expertise underpins Pearl’s commitment to delivering reliable and impactful certifications.

A leader in workforce training, John is a certified master trainer and holds numerous advanced certifications recognized across the home performance and healthy housing industries. He was also a founding board member of the Healthy Home Environment Association. Early in his time at Pearl, John worked closely with contractors in the Pearl Contractor Network, offering technical insights to help them elevate the quality and impact of home performance upgrades. Today, he is a vital part of Pearl’s Quality & Standards team, where he contributes as both a building science subject matter expert and a mentor to Pearl’s internal teams.

Before joining Pearl, John built a reputation as an authority in energy efficiency training. He was the first instructor to teach the BPI Building Analyst and Envelope course outside the contiguous U.S. in Guam and served as the lead field instructor for the largest third-party sustainability training organization in the country. Over the years, John has shared his expertise at numerous national building science and home safety events, helping to educate and inspire the next generation of industry professionals.