16. window
selec'on
• durable
{
sustainable
design
• locally
available
• salvaged
historic
preserva3on
• longevity
• regionally
appropriate
• in-‐kind
replacement
From
Structural
Materials
in
Historic
Restora'on:
Environmental
Issues
and
Greener
Strategies,
APT
Bulle)n
36:
4,
2005
17.
18. the
windows
Where
to
start?
aren’t
the
problem
Photo:
Edi'ng
Luke
19. where
air
escapes
from
a
typical
house
Based
on
data
from
Energy
Savers,
U.S.
Department
of
Energy
Illustra'on:
Blank
Space
LLC
20. current
energy
use
paerns
insula'on
levels
air
leakage
mechanical
systems
priori'ze
energy
efficiency
measures
Blower
door
test
during
a
home
energy
audit
Photo:
Hammer
and
Hand,
Portland
21. Eli
Whitney
House,
Connec'cut
Trust
for
Historic
Preserva'on
Headquarters,
prior
to
energy
retrofit
Photo:
Green
Star
Building
Performance
Contractors