<s>
OpenStudio	B-Application
is	O
a	O
suite	O
of	O
free	B-License
and	I-License
open-source	I-License
software	I-License
applications	O
for	O
building	O
energy	O
analysis	O
used	O
in	O
building	B-Architecture
information	I-Architecture
modeling	I-Architecture
.	O
</s>
<s>
OpenStudio	B-Application
applications	O
run	O
on	O
Microsoft	B-Application
Windows	I-Application
,	O
Macintosh	B-Operating_System
,	O
and	O
Linux	B-Application
platforms	O
.	O
</s>
<s>
Its	O
primary	O
application	O
is	O
a	O
plugin	O
for	O
proprietary	O
SketchUp	B-Application
,	O
that	O
enables	O
engineers	O
to	O
view	O
and	O
edit	O
3D	O
models	O
for	O
EnergyPlus	O
simulation	O
software	O
.	O
</s>
<s>
OpenStudio	B-Application
was	O
first	O
released	O
in	O
April	O
2008	O
by	O
the	O
National	O
Renewable	O
Energy	O
Laboratory	O
,	O
a	O
part	O
of	O
the	O
U.S.	O
Department	O
of	O
Energy	O
.	O
</s>
<s>
NREL	O
reports	O
an	O
average	O
of	O
700	O
OpenStudio	B-Application
downloads	O
per	O
month	O
.	O
</s>
<s>
Google	O
's	O
strategist	O
for	O
SketchUp	B-Application
,	O
remarked	O
that	O
"	O
OpenStudio	B-Application
is	O
lauded	O
around	O
our	O
office	O
as	O
one	O
of	O
the	O
most	O
complicated	O
plug-ins	O
ever	O
written	O
for	O
SketchUp	B-Application
"	O
.	O
</s>
<s>
OpenStudio	B-Application
was	O
designed	O
to	O
work	O
with	O
SketchUp	B-Application
,	O
because	O
many	O
architects	O
already	O
use	O
SketchUp	B-Application
for	O
building	O
designs	O
.	O
</s>
<s>
The	O
first	O
private	O
organization	O
selected	O
by	O
NREL	O
to	O
conduct	O
OpenStudio	B-Application
courses	O
was	O
Performance	O
Systems	O
Development	O
,	O
a	O
New	O
York-based	O
training	O
institute	O
.	O
</s>
<s>
and	O
Chris	O
Balbach	O
teaches	O
OpenStudio	B-Application
to	O
the	O
engineers	O
on	O
regular	O
basis	O
under	O
this	O
contract	O
.	O
</s>
<s>
From	O
May	O
2018	O
,	O
Harshul	O
Singhal	O
started	O
teaching	O
OpenStudio	B-Application
through	O
The	O
Energy	O
Simulation	O
Academy	O
(	O
TESA	O
)	O
which	O
is	O
another	O
private	O
organization	O
selected	O
by	O
NREL	O
to	O
conduct	O
such	O
training	O
.	O
</s>
<s>
OpenStudio	B-Application
includes	O
a	O
Sketchup	B-Application
Plug-in	O
and	O
other	O
associated	O
applications	O
:	O
</s>
<s>
The	O
Sketchup	B-Application
Plug-in	O
allows	O
users	O
to	O
create	O
3D	O
geometry	O
needed	O
for	O
EnergyPlus	O
using	O
the	O
existing	O
drawing	O
tools	O
.	O
</s>
<s>
The	O
OpenStudio	B-Application
Sketchup	B-Application
Plug-in	O
allows	O
users	O
to	O
use	O
the	O
standard	O
SketchUp	B-Application
tools	I-Application
to	O
create	O
and	O
edit	O
EnergyPlus	O
zones	O
and	O
surfaces	O
.	O
</s>
<s>
It	O
allows	O
SketchUp	B-Application
to	O
view	O
EnergyPlus	O
input	O
files	O
in	O
3D	O
.	O
</s>
<s>
The	O
plug-in	O
adds	O
the	O
building	O
energy	O
simulation	O
capabilities	O
of	O
EnergyPlus	O
to	O
the	O
SketchUp	B-Application
environment	O
.	O
</s>
<s>
Users	O
can	O
launch	O
an	O
EnergyPlus	O
simulation	O
of	O
the	O
model	O
and	O
view	O
the	O
results	O
without	O
leaving	O
SketchUp	B-Application
.	O
</s>
