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DID YOU KNOW?

If every American household replaced just one light bulb with a CFL, we would save enough energy to light every home in Arizona for a year.
MY CFL SHOPPING LIST
 
TWIST
 Suitable for all areas, especially where the lamp is hidden A-LINE
 Suitable for all areas, especially where the lamp is visible
May use in enclosed fixtures Replaces incandescent bulbs between 40 and 100 watts
Mini twist, dimmable and 3-way styles available
Replaces incandescent bulbs between 40 and 125 watts
 
GLOBE
 Suitable for bathroom vanity bar, ceiling fans, or any downward facing socket REFLECTOR
 Suitable for recessed cans and outdoor safety lights
Globes are available in basic or small sizes depending on the fixture Can take a few seconds to reach full brightness
Replaces incandescent bulbs between 40 and 60 watts Dimmable reflectors available
Replaces incandescent bulbs between 65 and 120 watt; available in R20, R30, R40 and PAR 38 for outdoor
 
DIMMABLES
 Do you have dimmable lamps? Did you know that dimmable CFLs are now available to fit most fixtures? Go to the retail locator to find out where you can buy dimmable CFLs and always look for "dimmable" on the bulb packaging.
Common CFL temperature range

US Dollars
Carbon Dioxide Tons
Clear all rooms  |  Assumptions
Category Value Data Source
Power
ENERGY STAR Qualified Unit
Initial Cost per Unit $ average of available products found in EPA research, 2008
Wattage watts calculated
  watts calculated
  watts calculated
  watts calculated
  watts calculated
Bulb Life hours LBNL 2007
  hours LBNL 2007
  hours LBNL 2007
  hours LBNL 2007
Lifetime
For hour CFL years calculated
For hour CFL years calculated
For hour CFL years calculated
For hour CFL years calculated
 
Conventional Unit
Initial Cost per Unit $ average of available products found in EPA research, 2009
Wattage watts LBNL 2007
  watts LBNL 2007
  watts LBNL 2007
  watts LBNL 2007
  watts LBNL 2007
Bulb Life hours LBNL 2007
  hours LBNL 2007
Lifetime
For hour incandescent bulb years calculated
For hour incandescent bulb years calculated
 
Maintenance
Labor cost (per hour) $ EPA 2004
Installation labor hours hours Assumption
 
Usage
Hours used per day hours/day LBNL 2007
Number of days per year days/year Assumption
CFL annual bulb replacements
hours bulbs/year Calculated
hours bulbs/year Calculated
hours bulbs/year Calculated
hours bulbs/year Calculated
Incandescent annual bulb replacements
hours bulbs/year Calculated
hours bulbs/year Calculated
 
Discount Rate
Commercial and Residential Discount Rate (real) % A real discount rate of percent is assumed, which is roughly equivalent to the nominal discount rate of percent ( percent real discount rate + 3 percent inflation rate)
 
Energy Prices
Commercial Electricity Price $ $/kWh Energy Information Administration, Annual Energy Outlook 2009 (Early Release) edition (converted from 2007 to 2008).
Residential Electricity Price $ $/kWh APS
 
Carbon Dioxide Emissions Factors
Electricity Carbon Emission Factors lbs CO2/kWh APS
 
CO2 Equivalents
Annual CO2 sequestration per forested acre 9,700 lbs CO2/acre-yr EPA's Greenhouse Gas Equivalencies Calculator.
Annual CO2 emissions for "average" passenger car 12,037 lbs CO2/acre-yr EPA's Greenhouse Gas Equivalencies Calculator.
 
Disclaimer
The estimated savings from switching to CFLs is based on user inputs for bulb usage and an average cost of $ per kWh. Actual savings will vary depending on your actual usage and electricity rate plan.
 
REFLECTOR
TWIST
CEILING LIGHT
RECESSED CANS
Type of light fixture: Recessed cans Ceiling light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
A-LINE
REFLECTOR
FLOOD LIGHTS
LANTERN
LAMPPOST
PORCH LIGHT
Type of light fixture: Porch lantern Recessed porch light Driveway lamppost Flood lights
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
TWIST
A-LINE
CEILING LIGHT
FAN LIGHTS
TABLE LAMP
Type of light fixture: Table lamp Fan lights Ceiling light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
REFLECTOR
TWIST
MINI-TWIST
DIMMABLE
A-LINE
RECESSED CANS
FAN LIGHTS
WALL SCONCE
TABLE LAMP
DIMMABLE HANGING LIGHT
Type of light fixture: Recessed cans Table lamp Wall sconce Dimmable hanging light Fan lights
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
TWIST
CEILING LIGHT
Type of light fixture: Ceiling light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
REFLECTOR
TWIST
MINI-TWIST
DIMMABLE
DIMMABLE HANGING FIXTURE
CEILING LIGHT
RANGE HOOD
RECESSED CANS
Type of light fixture: Ceiling light Recessed cans Dimmable hanging fixture Range hood
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
MINI-TWIST
TWIST
A-LINE
CEILING LIGHT
BEDSIDE LAMP
FAN LIGHTS
Type of light fixture: Bedside lamp Ceiling light Fan lights
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
REFLECTOR
MINI-TWIST
TWIST
CEILING LIGHT
WALL SCONCE
RECESSED CANS
Type of light fixture: Recessed cans Wall sconce Ceiling light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
TWIST
CEILING LIGHT
GARAGE DOOR OPENER LIGHT
Type of light fixture: Ceiling light Garage door opener light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
REFLECTOR
TWIST
A-LINE
MINI-TWIST
DIMMABLE
CEILING LIGHT
FAN LIGHTS
WALL SCONCE
DIMMABLE HANGING LIGHT
RECESSED CANS
Type of light fixture: Recessed cans Ceiling light Fan lights Wall sconce Dimmable hanging light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
TWIST
A-LINE
CEILING LIGHT
BEDSIDE LAMP
FAN LIGHTS
Type of light fixture: Bedside lamp Ceiling light Fan lights
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total
GLOBE
A-LINE
REFLECTOR
TWIST
CEILING LIGHT
FAN LIGHTS
VANITY LIGHTS
RECESSED CANS
Type of light fixture: Vanity lights Fan lights Recessed cans Ceiling light
Number of bulbs to replace:
Wattage of current bulbs:
Average hours daily use:
Suggested CFL bulb type:
SAVINGS: $ CO2 tons Click to add these savings to the total