Matthew Zarotny came to the department as CET’s Lead Energy Specialist for CET’s Mass Save existing home program team.  While supervising a team of field energy specialists, Matt promoted consistent field work and provided daily support to find technical and customer relevant solutions. Previous to becoming the Lead Energy Specialist, Matt conducted hundreds of Mass Save residential energy assessments at CET from 2011 – 2014, during which he provided customers with energy efficiency recommendations, savings estimates, rebate proposals, and financing options.  Matt has a Masters in Management from Colorado Technical University and a BS in Geography from UMASS.

John Saveson has worked in numerous aspects of the design, construction, and weatherization industries for over 30 years. Employed by the Center for EcoTechnology since 2008, he has worked as an Energy Auditor, QA Inspector for home weatherization services, Energy Auditor Supervisor, and Field Test Proctor for BPI (Building Performance Institute) trainings.   As a certified BPI Building Analyst John has performed extensive diagnostic and combustion safety testing for residential buildings.  After becoming a certified HERS rater in 2011 John has been performing Home Energy Ratings and ENERGY STAR verification for high performance homes and multifamily buildings.  He holds a B.S. in Architecture from M.I.T. and an M.A. in Landscape Design from the Conway School of Landscape Design.

Lia Douillet has worked as a HERS rater at CET since 2022. Prior to starting her career in building energy efficiency, she earned a B.S. in Building & Construction Technology and an M.S. in Sustainable Building Systems from UMass Amherst. She also has some hands-on experience in residential construction, which sparked her interest in high performance building. Lia has done HERS modeling and inspections for a wide variety of single and multi-family residential buildings, and recently became certified as an Energy Star and Passive House verifier.

Kaitlyn Mitchell came to the HPB department this May as a HERS Consultant. Previously she worked as an environmental advocate for clean energy policies in MA and New Jersey. Most recently she worked at CET as a Communications Coordinator at CET working on our energy efficiency programs, healthy homes grants work for induction technology education, and giving presentations on home weatherization for homeowners. Now a fully certified HERS Rater, Kaitlyn performs rating on single-family new constructions. She holds a B.S in Natural Resources Conservation from UMass Amherst.

Landon Labahn joined CET’s High Performance Building team in the spring of 2023 as a HERS rater. Before joining the CET team, Landon worked with the National Park Service (NPS) in Denali doing contract management and construction which included rehabbing historic structures, assisting with building timber framed structures, and working with the local K-12 school to help with the Building Trades program which exposes students to the trades and builds cabins for NPS housing. During Landon’s free time, he constructed a home outside Denali N.P. doing most of the work himself with help of family and friends. Landon has a Bachelor of Science in Business Marketing and is a certified HERS rater.