From the category archives:

PH envelope

174 Grand St: The windows are installed…

by sam on August 13, 2010

Teaser: modern windows for our Passive House

by sam on March 15, 2010

Passive House detail at 174 Grand St

by sam on January 7, 2010

Update on 174 Grand St…

by admin on December 17, 2009

Good US Passive House window news!

by sam on October 30, 2009

The envelope of a Passive House retrofit (21 Greenpoint Ave)

by sam on October 7, 2009