Page 55 - Green Builder Sept-Oct 2020 Issue

|
ReVISION House Scottsdale Phase

MORE INFORMATION MEET THE INFLUENCERS

Look for continued, detailed coverage of this project
over the next six months. For regular updates, visit Steve Easley, Msc, is an
internationally recognized
our microsite for the project: construction consultant

greenbuildermedia.com/revision-house-scottsdale specializing in solving building
science related problems and
educating building industry

INITIAL SPONSORS professionals and their trade
partners.
WHO’S ON BOARD? Susan Raterman, CIH, is the

The Forever House will showcase outstanding founder and president of
The Raterman Group, Ltd., an
products and technology from several leading
experienced consultant in the
companies. Categories are still open, however, critical areas of air quality, mold
for sustainable products and innovations that will mitigation, environmental hazards
raise the performance bar. and industrial hygiene in the
Scottsdale, Arizona area.

WINDOWS: Past Their Prime

“Non-thermally broken
bronze glass aluminum
windows were almost
universal in the 1970s
when this home was
constructed,” Easley
explains. “But obviously
they offer almost no
defense against the heat.
“We’ve measured
the indoor surface
temperature of the
glass in this home at 95 Old school. The original, single-pane aluminum
degrees,” he adds. “So, window frames leak energy badly, but will be replaced
say you have a sliding with frames with thermal breaks in the remodel.
glass door with a glass Easley is looking at several brands, including one that
area of 40 square feet. makes thermally broken aluminum windows.
If the window faces the
sun, the amount of energy that strikes the glass is 250 [British thermal units] per
square foot. That’s 10,000 BTUs per hour of heat gain. Now, consider that a ton of air
conditioning equals out about 12,000 BTUs per hour. Your AC’s cooling power is barely
keeping up with the heat gain from one sliding glass door.” GB

www.greenbuildermedia.com September/October 2020 GREEN BUILDER 53

46-53 GB 0920 Forever House.indd 53 10/5/20 7:54 PM