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How Architectural Engineers Impact Building Energy Use
Lighting, Controls and Energy Savings
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Visible Light Te
achE
ngin
eeri
ng.o
rg –
Fre
e ST
EM C
urri
culu
m fo
r K-
12
Visible Light
Subtractive color mixing Paint or Ink
Additive color mixing LIGHT!
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Did you know? Sunlight has all colors of the rainbow and appears WHITE
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Visible Light
Reflected light is what we “SEE”
The RED apple is red because it absorbs all light except RED
The GREEN apple is green because it absorbs all light except GREEN
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Electric Light Bulb
LAMP
Filament
Socket
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Incandescent Light
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Fluorescent Light
Bulb Wall
Phosphor
UV
Mercury
Electricity
Visible Light
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Compact Fluorescent Lamps (CFLs)
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology Fluorescent Ballast
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Light Source Technology
Light-Emitting Diodes (LEDs)
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Lighting Controls
Power vs. Energy
Energy Used
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Lighting Controls Saving Energy through Occupancy Controls
Energy Used
Energy Saved
Unoccupied
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Lighting Controls Passive Infrared (PIR) Occupancy Sensors
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Lighting Controls Ultrasonic Occupancy Sensors
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12
Lighting Controls Daylighting
Teac
hEng
inee
ring
.org
– F
ree
STEM
Cur
ricu
lum
for
K-12