Dive summary:

• Sam Hagerman is president of the Passive House Alliance US and co-owner of a design firm, and he says that following Passive House standards rather than freelancing and experimenting is the best way to achieve net-zero homes.
• The science behind how to build passive houses is sound, Hagerman asserted, but  a real-world, variable market in eco-friendly materials and regulation and certification bodies that are in different places in implementing the idea make for a less-than-uniform environment for advocates.
• The alliance, Hagerman said, is building a way for designers and builders to exchange information about what works and to learn from each other.

From the article:

I mean, if anybody thinks we’re in danger of early and deep market penetration of compostable toilets, then they’ve got another thing coming. ...