• NECB 2011
We are truly a very unique firm (or so we've been told) with extensive capabilities to have a positive effect on each other and even the industries we serve.

What We Do

Energy Modeling

Full building energy models that capture the building envelope, electrical, and mechanical systems.


Training industry leaders about the tools of energy management and sustainable building operations.

Energy Auditing

With highly trained Certified Energy Managers, Professional Engineers, and Certified Engineering Technologists, 3D provides trusted commercial, institutional, and residential energy auditing services with consistent results.

Green Building Certification

Providing sustainable design guidance to ensure all desired Green Building Certifications are official and upheld.

Code Compliance

Code compliance and incentive document administration for local and national standards.

Program Support

Let us help you get the most out of ever-evolving rebate programs like TAME+ or AMSP.