Wisa Healthy Homes | Using R-2000 as our Minimum Standard since 1995
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Stefan Schwertfeger
Job Site Coordinator
01What do you bring to WISA? 02What inspires you?
My truck and my good-nature. My wife.
03How would you describe your perfect home?
A wife and a kitchen (j/k). An autonomous house that requires minimal energy & is self-sufficient

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