energy_conservation
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- 8/19/2011
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Prepared for Enterprise Community Partners
Why Should You Care about Energy Use?
It saves money
• Using less energy means lowering utility bills and saving
money
It reduces carbon emissions
• Carbon emissions are linked to climate change that
results in more common severe weather events
(hurricanes, heavy rains/floods, and droughts)
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 2
Why Should You Care about Energy Use?
Electricity is generated from power plants
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 3
Why Should You Care about Energy Use?
Image Source: Señor Codo via flickr under a CC license
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 4
Why Should You Care about Energy Use?
The more electricity used...
the more Carbon Dioxide (CO2) emitted
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 5
Change Affecting...
CO2 Contributes to Climate Change,& Affects...
Eco-System Changes Catastrophic Weather Events
Source: http://arcticportal.org/climate-and-sea Source: http://www.worldproutassembly.org/archives/2006/09/adapt_to_climat.html
Hurricanes Extreme Drought
Source: http://skattertech.com/2005/08/hurricane-katrina-satellite-images/ Source: http://trendsupdates.com/poor-countries-oblivious-to-climate-change/
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 6
Major Home Energy Usage
Major Home Energy Usage
Typical Household Energy Use
Other Computers
Space Cooling Lighting 3% 1%
8% 7%
Space Heating
Water
46%
Heating
16%
Appliances
19%
Source: US EPA
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 7
Reading an Electricity or Natural Gas Bill
Reading an Electricity or Natural Gas Bill
• There are different units of measurement for energy,
depending on the form of energy
• Electricity is measured in kilowatt hours (kWh)
• Natural Gas, (used for heating, hot water, cooking, and
sometimes clothes dryers) is measured in Therms
• 1 therm = 29.3 kWh
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 8
Energy Conservation Exercise 1
How Much Electricity Do I Use?
• Input your monthly electricity use (kWh) and cost($)
into the worksheet
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 9
Ways to Save Energy
Heating and Cooling
• If possible, avoid space heaters
as they are very inefficient and
become a fire hazard if
something is placed on them
• Buy Energy Star air conditioner
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 10
Why You Shouldn’t Open Windows in Winter
The Stack Effect
1) Window is opened in
an upper floor unit
2) Heat rushes out and
draws warm air up
from other units
3) Cold air is drawn
from the outside to
replace air
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 11
Source: Steven Winter Associates
to Save Energy
Ways To Save Energy
Appliances:
• Look out for Phantom
loads – little lights, LCD
displays, and other
indicators that remain ON
even if your electronics
are OFF
• Turn off computer
when not in use
(not just sleep…OFF)
• Use a timer or smart
surge protector
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 12
How a Smart Strip Surge Protector Works
Smart strips sense when a master appliance is
turned off and switches peripherals off
When the master electronics are:
• Turned ON, all peripherals are turned ON
• Turned OFF, the peripherals are turned OFF
Control Outlet: Plug your independent Dependant Outlets: Plug
“Master” electronics here your peripherals in here
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 13
smart Strip Surge Protector Works
How a Smart strip surge protector works
Smart strips sense when a master appliance is
turned off and switches peripherals off
“Master” electronics Peripherals
DVD
Television Cable box
Surround Sound
Printer
Computer
Monitor
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 14
How a Timer Strip Surge Protector Works:
Timer strips allow residents to set times of the
day to turn the outlets ON or OFF
Timer Switch: Set the time of day Timed Outlets: Outlets switched
to switch outlets ON and OFF ON/OFF depending on timer setting
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 15
Ways to Save Energy
Refrigerator & Freezer:
• Clean the coils on the back of
your refrigerator
• Ensure back of the refrigerator
has several inches of clearance
from the wall
• Clean out frost from your freezer
• Set your refrigerator to 37
degrees, no colder
• When purchasing, choose an
Energy Star appliance
Source: http://factoidz.com/how-to-clean-refrigerator-coils/
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 16
Ways to Save Energy
Water:
• Install an efficient showerhead
(<2 gallons/minute)
• Less heated water down the
drain saves energy
• Set clothes washers to use only
cold water
Source: http://www.pricepfister.com
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 17
Ways to Save Energy
Lighting:
• Replace incandescent
lighting with compact
fluorescent (CFL)
• CFLs use 66% less energy
than incandescents
• Turn lights off when not
in use
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 18
Ways to Save Energy Through Purchasing
Energy Efficient Products
• Energy Star is an EPA program that
identifies energy efficient products
• Look for the blue Energy Star label
– TVs
– Refrigerators
– Dishwashers
– Air Conditioners
– Computers
– Clothes Washers
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 19
Ways to save energy through purchasing
Save Energy Through Purchasing
Water Efficient Products
• WaterSense is an EPA program that
identifies water-efficient products
• Look for the WaterSense label
– Toilets
– Showerheads
– Sink Faucets
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 20
Energy Conservation Exercise 2
WATT Do They Take?
• How is operational cost impacted by:
– Settings
– Wattage
– Usage
– Appliance
Size
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 21
This Resident Cut Their Bill in Half
Before:
• Electricity used:
540 kWh
• Bill Amount:
$107.99
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 22
…They Save Over $300 Per Year
After:
• Electricity used:
216 kWh
• Bill Amount:
$49.29
How did they
do it?
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 23
How Did the Resident Cut Their Bill in Half?
Switch all lights Replace Fridge Replace Line dry
to Compact with Energy Star Dishwasher with laundry
Fluorescent model Energy Star model
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 24
Did the Resident Cut Their Bill half?
How did the resident cut their bill in in Half?
PLASMA
No space No blow Non-plasma Almost no A/C
heater use dryer use television use in the
summer
GREEN & HEALTHY LIVING: Energy Conservation Enterprise Community Partners | 25
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