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:

Don’t Get Depressed (Unless You’re a Core)
This website is for professional HVAC techs and those actively learning to become professional HVAC techs, not DIY homeowners. I feel like that needs to be said before I state these seemingly obvious facts, but these very obvious facts are so commonly mistaken that they need to be covered. Take a look at the two […]
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Design and Performance Challenges of Air-Source Heat Pumps Across Diverse Climatic Conditions
This tech tip was inspired by Alex Meaney and Ed Janowiak’s session at NCI’s High-Performance Summit 2025: “Good Design Isn’t a Buffet: The Importance and Interconnection of Manuals J, S, and D.” Alex is a building science expert who worked at Wrightsoft (now MiTek) for several years before launching his consulting firm, Mean HVAC Consulting […]
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Brownouts and How They’re Killing HVAC Equipment
HVAC technicians typically focus on diagnosing issues related to mechanical wear, refrigerant leaks, or control problems within the equipment. However, damage can also originate from external sources. For instance, a failed control board might be attributed to internal shorts or rubouts. Yet, the root cause could be external, such as the voltage spike that can […]
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30 Minutes or Less and You Only Have…
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