Dan Wildenhaus
Company name: Center for Energy and Environment
Position: Senior Technical Manager

As a Technical Advisor, trainer, and consultant for residential, multifamily, and small business programs, Dan has become completely immersed in the discussion of what is required to create High-Performance Buildings and the technologies that operate within them. After completing his bachelor’s degree at the Evergreen State College, with a focus on Energy Studies, Dan has developed over 29 years of experience, 15 of them working directly for a contractor, performing energy audits and Ratings, weatherization and HVAC repairs, consulting, and analysis for private clients in both New Construction and the existing buildings market. Almost 15 years ago, Dan transitioned to the consulting side of the business, working with program implementation companies and finding a home at the Center for Energy and Environment. Dan currently provides Decarbonization and HVAC consultation, technical management, market channel development, and training and presentation services for a variety of programs across the country.

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Tech Tips written:

The EPA’s 15-Pound Refrigerant Threshold in 2026
As of January 1, 2026, refrigerant regulations in the United States have undergone YET ANOTHER big shift. Per Subsection H of the American Innovation and Manufacturing (AIM) Act, which was passed by Congress and signed into law in December 2020, the Environmental Protection Agency (EPA) has officially expanded leak repair and recordkeeping requirements to a […]
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Key Takeaways From the 7th Annual HVACR Training Symposium
This is a recap of the 7th Annual HVACR Training Symposium session, with a few key themes and takeaways. If you missed the symposium but find some topics of interest in this tech tip, you can still purchase a virtual ticket at hvacrschool.com/symposium. You must be logged in to your account with a ticket to […]
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How Attic Designs Need to Account for Heat and Moisture
This tech tip was heavily inspired by one aspect of Rick Sims’s 2021 HVACR Training Symposium session titled “Conductsation.” The entire presentation is worth a watch, but the advice in “Conductsation” and this tech tip are tailored to hot, humid climates. The contents of this tech tip may NOT work for colder climates. Dr. Allison […]
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Event speaker:

30 Minutes or Less and You Only Have…
NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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