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Building HVAC Science

Jun 25, 2021

“Have nothing in your house that you do not know to be useful, 

or believe to be beautiful.”


William Morris

His head has been wrapped up in building and HVAC performance since the late 1980s. 


How does he sort through bringing his personal vision for his own home to reality?


What’s it like actually living inside your theories?

In this podcast, recorded in May 2020, our friend Nate Adams (from HVAC 2.0) becomes host and interviews Bill Spohn (normally this podcast’s host) on the journey he and Marilyn have taken setting out to build a high performance, likely NetZero, home.


Listen in to hear what influences he used in making design and construction decisions. Hear of the goals he and his wife set at the beginning and how close they came to achieving them.


Bill openly describes his thoughts on the challenges they encountered and how well the plans are working out at the time of this recording, when the house is in the final stages of finishing, but they have not yet moved in.


To learn more about the project you can follow Bill’s blog at




This episode was recorded in May 2020.