natural gaselectricity appliance annual cost savings lifetime cost savings microwave $1.64$21.02...
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Conduct a School Energy Audit
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Home Energy Use
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School Energy Use
Natural Gas Electricity
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Energy Audit
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Using a Flicker Checker
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Using a Light Meter
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Two CostsAppliance Annual Cost Savings Lifetime Cost Savings
Microwave $1.64 $21.02
Washer $1.87 $16.80
Television $3.27 $42.05
Dishwasher $11.22 $100.78
Dryer $44.88 $403.12
Refrigerator $95.72 $1,565.10
Total $158.59 $2,148.87
Source: http://www.santafenm.gov/index.aspx?nid=1861
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Phantom Loss
Assumes 5 hours of active use per day Source: http://www.nrdc.org/air/energy/energyeff/tv.pdf
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n TV
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0
50
100
150
200
250
300
350
400
450
500
Total kWhActive kWh
Photo: US EPA (external power supply)
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Using a Power Monitor
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Behavior
Source: Schelly et al, Environment and Behavior, September 2010
RMHS started off using less electricity than other
schools
RMHS also decreased its energy use the most of the
3 schools since 2000 despite the same
technologyRMHS even uses less
electricity/square foot than the LEED-certified school