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Transformative Wave

We developed the CATALYST Efficiency Enhancing Controller, America's leading energy efficiency solution for constant volume HVAC systems.

  • Stage $5M in TTM Revenue
  • Industry Industrial/Energy
  • Location Seattle, WA, USA
  • Currency USD
  • Founded February 2009
  • Employees 21
  • Website

Company Summary

Transformative Wave Technologies, LLC is the technology arm and a wholly-owned subsidiary of Performance Mechanical Group, a 29-year-old design-build HVAC service company. We serve commercial and industrial clients in the Puget Sound region in the State of Washington. Total number of employees (over 60) is at an all-time high despite tough economic times.


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    Danny Miller

    Danny Miller is the President of Transformative Wave Technologies (TWT) and the Performance Mechanical Group based in Kent, WA. He has over 37 years of experience in the commercial HVAC, controls, and energy efficiency industries.

    Danny personally, his companies, and the CATALYST have won numerous awards including being named to the 2011 Washington Green 50 and selected “Technology Company of the Year” by the Seattle Business Magazine.

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    Darrin Erdahl

    Darrin is the financial partner and majority owner of Transformative Wave. He owns numerous enterprises with annual revenues in excess of $300M.

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    Justin Sipe
    Senior VP of Technology

    Justin has years of experience in the building automation and controls industry. He is a software programmer and technology developer.

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    Ken Hellewell
    Senior Technical Manager

    Ken is a veteran of the building automation industry and has developed landmark interface tools for facility operators. He is a gifted programmer.

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    Charles Day
    Director of Software Development

    Charles is a self-taught software developer who has been responsible for a number of innovative products in the HVAC industry.


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    Bradford Axel: Stokes Lawrence P.S.; Seattle, WA
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    Ernst & Young - Seattle