Recipient of the 2018 IBPSA-USA Award for Outstanding Practice - more

About The Weidt Group

We are architects, engineers, and software developers who are passionate about collaborating with our clients to optimize building energy performance.

  • founded 1977
  • states worked in 47
  • countries worked in 11
  • annual projects 800
  • software users 100M
  • SF modeled 360M
  • verified annual savings $132M
  • net-zero experience 13+ years

The data you need

We’re committed to working with you to understand your energy analysis data, to help you with decisions to optimize your energy efficiency investments. We work in a LEED® O&M Platinum space and understand what it takes to both achieve and keep your building and your operations energy efficient and sustainable.

The partners you want

When you work with us, you get inventors as well as collaborative partners. If we don’t have the tool you need, we’ll build it.


Jason Steinbock, PE, BEMP, LEED AP BD+C, is The Weidt Group’s Director of Business Development, leading the deployment of our consulting services and advanced energy performance simulation software. He works with architects, engineers, building owners, and utilities to help them achieve higher-performing buildings. Jason has deep expertise in comparative energy modeling, lifecycle analyses, daylighting, and monitoring completed buildings to verify that intended energy performance goals have been met. He regularly shares his expertise at national and regional conferences.

Jim Douglas, PE, LEED AP, is Director of Energy & Software Services, providing leadership for the development of energy and design software services. Under his direction, the firm annually provides energy and design assistance services for high-performance buildings for over 500 commercial projects in both the public and private sectors. Jim’s career work on energy conservation projects encompasses over 450 projects totaling more than 52 million square feet. He shares his expertise on topics such as energy efficiency, implementation, and evaluation at local, regional, and national conferences.