Date post: | 10-Mar-2016 |
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• Typical Residential Energy Use
• How Much Can You Save?
• How Can You Save?
• Free Savings
• Cheap Savings
• Investment Savings
• How Do You Stack Up?
• Energy Use Analysis
Typical Midwest Home
Based upon $2,200 typical energy use per year
Space Heating: $990
Water Heating: $396
Space Cooling: $198
Electronics: $132
Lighting: $132
Other: $110 Appliances: $240
• Heating: 3% savings per
degree change
• Vectren rebate: $20!
Savings up to $150
a year!
Occupied
Unoccupied & Nighttime
• 3-5% savings per 10
degrees of change
• If replacing:
• Vectren rebate of $150
Save up to $50 per year!
• Simple, easy, & free
• Make it a fun competition!
• Save via:
• Water
• Water heating energy
Save $30 per person!
• Example:
•10 - 60 W bulbs
•On for 4 hours every day
• For one year
• Costs $88 per year
• Just 10 lights…
Save $100 per year!
• Versus a modern refrigerator:
• 10-20 year-old-fridge: 2 times as much energy
• 30 year-old-fridge: 3 times as much energy!
• DP&L will recycle for you and give you $25!
Save $250 per year!
• Hot/warm water isn’t necessary to clean your clothes
• Just by using a different detergent
Save $75 per year!
• Low flow faucets
• Kitchen & Bathroom
• < 1 gallon per minute
• Cost: $5 each
• Save via:
• Water
• Water heating energy
Save $10 per faucet!
• Low flow showerhead:
• < 1.25 gpm
• Cost: $20
• Save via:
• Water
• Water heating energy
Save $20 per shower!
• Phantom load account for 10% of household electrical use
• Solution: Smartstrips - Cuts power when not in use
• Cost: $10-30
Save $30 per smartstrip!
Save $45 per bulb!
(assuming $0.10/kWh)
Incandescent CFL LED
Cost per bulb $1.00 $3.00 $10.00
# of bulbs for 2 years 15 2 1
Total Cost for 2 years $120.12 $30.53 $27.52
DP&L rebate: $1.40 off each CFL bulb
• Seal up air leaks before adding
insulation
• Why?
• Decrease infiltration
• Improve comfort
Cost: $300-500
Save up to $230 per year!
• Leaky and uninsulated ducts common
in older homes
• Savings in heating and cooling season
• Cost per square foot of ductwork:
• Seal: $0.20
• Insulate: $0.50
Save $200 per year!
• Older homes often do not have much
attic insulation
• Saves money and drastically
improves comfort
• Cost: $0.60 - $2.00 / square foot
Save up to $250 a year
• Basement or crawlspace
• Your floor may not be insulated
• Added comfort
• Cost: $5/per square foot
Save $200 annually!
• Concrete slab
• Lots of energy lost through
uninsulated slab
• Cost: $10 per foot
Save up to $600 per year!
$0
$50
$100
$150
$200
$250
$300
$350
$400
$450
Sa
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($)
Heating System - Year Made
1960-1969
1970-1974
1975-1987
1988-1991 < 1992
$471 $333 $286 $180 $157
Annual Savings
• There are both Vectren and DP&L rebate programs for heating system upgrades
Save up to $470 per year!
Annual Savings
0
20
40
60
80
100
120
140
160
Sa
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gs
($)
Cooling System - Year Made
1960s
1970s
1980s
1990s
2000s
$145 $105 $65 $40 $20
Bart Sturm
University of Dayton
Building Energy Center
Renewable and Clean Energy Masters Program
Email: [email protected]
Dr. Kevin Hallinan
Professor – Mechanical & Aerospace Engineering, &
Renewable and Clean Energy Graduate Program