A 3D Empire State Building Solar Shading Model

advancing an affordable, reliable, and clean energy future through advanced building analytics

it started with passion

3D Geometry of Chicago

After a decade in engineering consulting, Allen founded Clearbrook Energy Solutions with the vision to make advanced building performance analytics both more rigorous and accessible.

Clearbrook Energy Solutions is a Professional Engineering Firm registered in Connecticut, specializing in high performance building consulting.

Serving clients nationwide. We bring strong technical expertise and genuine care to every project.

Allen Mei, Founder & Principal

P.E., C.E.M., BEMP, GGP, GGA, LEED AP

ICC Certified Commercial Energy Plans Examiner

Allen specializes in building performance simulations and analytics. He works closely with developers, owners, architects, MEP engineers, and project managers on large-scale commercial and industrial projects across the U.S. He has developed over 250 detailed whole-building simulation models, including some of the nation's largest recent developments, and has led energy code compliance submissions for projects in more than 40 states. His diverse portfolio spans high-rise multifamily, office buildings, industrial logistics facilities, hyperscale data centers, cold storage facilities, central plants, laboratories, museums, and manufacturing facilities.

He is a strong advocate for straightforward and practical energy codes and standards.

Expertise

Building Energy Modeling, Energy Codes & Standards (ASHRAE 90.1, IECC, CA Title 24 Part 6, MA Stretch Code, WSEC, Denver Energy Code, NY Stretch Code), Computational Fluid Dynamics (CFD), Daylight, HVAC&R, Renewables, Building Envelopes, Green Building Certifications.

Tools

IES<VE>, Cadence Reality DC Design, One Click LCA, Pollination, sketchbox, CBECC-COM, eQuest, LBNL WINDOW & THERM

Awards

2023 IES VE User of the Year Award - Best American Entry

2022 40 Under 40 by Consulting - Specifying Engineer

2020 CIBSE Young Modeler Award

Volunteering

IBPSA-USA: Member Board of Directors; Founding Member, Vice Chair, and Board of Director Liaison - Practitioner Advocacy Committee; Voting Member - Certification Committee; International Code Council: Voting Member of IECC Commercial Modeling, Whole Building Metrics and Zero Energy Subgroup; ASHRAE: Consultant for SSPC 90.1 ECB Subcommittee; NVM-User for SSPC 140; State of Connecticut - Codes and Standards Committee (Energy Efficiency)

Membership

IBPSA-USA, ASHRAE, USGBC, GBI, AIA

Favorite Sports Teams

Purdue Boilermakers, UConn Huskies

Hobbies

Kitchen junkie - I love cooking and collecting pots. I also enjoy spending time with my family and my dog.

Weijun Allen Mei

📱 (860) 245-9752

✉️ allenm@clearbrook.energy