residential energy efficiency workshop
DESCRIPTION
The presentation is intended to be given to community groups to educate how easy residential energy efficiency is, and to encourage the homeowners to carry out energy efficiency changes that the presentation will highlight. There will also be an opportunity for each homeowner to see how their energy usage habits compare to homes of similar qualities via an online residential analysis tool/game.TRANSCRIPT
University of Dayton
- Building Energy Center
U.S. Department of Energy
• 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
0
500
1,000
1,500
2,000
2,500
Northeast Midwest South West
Dollars
($)
US Region
$2,200
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: $240
0
500
1,000
1,500
2,000
2,500
Dollars
($
)
$580
• Heating: 3% savings per
degree change
• Vectren rebate: $20!
Savings up to $150
a year!
Occupied
Unoccupied & Nighttime
• Cooling: 6% savings per
degree change
Up to $200 a year!
Occupied
Unoccupied
• 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
$450
Sa
vin
gs
($)
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 $470 per year!
Annual Savings
0
20
40
60
80
100
120
140
160
Sa
vin
gs
($)
Cooling System - Year Made
1960s
1970s
1980s
1990s
2000s
$145 $105 $65 $40 $20
• DP&L rebate program for cooling system upgrades
Save up to $145 per year!
In comparison to
average
On your own at dropoly.com Or at the end of the session
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
• "Energy Savers: Energy Savers Guide: Tips on Saving Money and
Energy at Home.“ Department of Energy. December 2011
• "Unlocking Energy Efficiency In The U.S. Economy." McKinsey &
Company. July 2009
• US EIA: Residential Energy Consumption Survey (2005 & 2009)