27 Sep '12, 1pm

Bronwyn Barry v. Martin Holladay: the Passivhaus debate continues - Blog now has 75 comments

Response to Bronwyn Barry by Martin Holladay, GBA Advisor Helpful? 0 Sign in to vote Bronwyn, You wrote, "I'm finding that even if I cranked the glass SHGC way up, the windows on this project would still be net positive heat losers, mostly due to how the building is oriented and the large evergreen trees on the south side." That statement supports the argument I'm making in this article. If windows are net energy losers, then there is no reason to include large areas of glazing. Windows are expensive. They lose more energy at night than walls, and they can cause overheating in sunny weather. So windows should be sized to meet aesthetic and daylighting needs rather than to meet thermal performance goals. Increasing window sizes to hit the Passivhaus number doesn't make any sense. You wrote, "If you drive around Berkeley, CA, you can see countless failed 70's experiments - b...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/musings/to...

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greenbuildingadvisor.com 28 Sep '12, 12am

Finding the right balance by Bronwyn Barry Helpful? 0 Sign in to vote I'm working on a remodel in Sunnyvale, California, j...

I just told @MartinHolladay to 'take a Heat Loa...

greenbuildingadvisor.com 27 Sep '12, 4am

Finding the right balance by Bronwyn Barry Helpful? 0 Sign in to vote I'm working on a remodel in Sunnyvale, California, j...

LEED should be overhauled because it rewards bi...

greenbuildingadvisor.com 26 Sep '12, 5am

Finding the right balance by Bronwyn Barry Helpful? 0 Sign in to vote I'm working on a remodel in Sunnyvale, California, j...

The PHPP is simply a tool. It does not inherent...

greenbuildingadvisor.com 25 Sep '12, 2am

Finding the right balance by Bronwyn Barry Helpful? 0 Sign in to vote I'm working on a remodel in Sunnyvale, California, j...

@jesse_th - Here is a Passivhaus with Menck windows:

@jesse_th - Here is a Passivhaus with Menck win...

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2 buildings, 4 floors + top floor, 34 residential and 3 commercial units (34 total WE PHPP) The Association, Altonaer Spar...

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Finding the right balance by Bronwyn Barry Helpful? 0 Sign in to vote I'm working on a remodel in Sunnyvale, California, j...

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