Making the Case for Triple-Glazed Windows

by
Reglazing the Rocky Mountain Institute in 2007 with R-20 center-of-glass Alpen Windows (now Serious Windows).

It won't surprise many of my readers to learn that I'm a fanatic about energy conservation and efficiency. That goes back more than 30 years to the mid-70s. During those years I've paid a lot of attention to windows--and seen dramatic improvement in window performance.

Read more »