Replacing standard lightbulbs with energy-efficient CFL bulbs can save money and help the environment. Find out how much you can save. Number of bulbs to replace 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Select the type of bulb to replace: 150W bulb replaced with 42W CFL 100W bulb replaced with 28W CFL 75W bulb replaced with 22W CFL 60W bulb replaced with 18W CFL On average, how many hours per day is each bulb used? 0.5 hours 1 hour 2 hours 3 hours 4 hours 5 hours 6 hours 7 hours 8 hours 9 hours 10 hours 11 hours 12 hours 13 hours 14 hours 15 hours 16 hours 17 hours 18 hours 19 hours 20 hours 21 hours 22 hours 23 hours 24 hours Country Argentina Australia Austria Barbados Belarus Belgium Bolivia Brazil Canada Chile Colombia Costa Rica Cuba Cyprus Czech Republic Denmark Dominican Republic Ecuador El Salvador Estonia Finland France Germany Greece Grenada Guatemala Guyana Haiti Honduras Hungary Ireland Italy Jamaica Japan Kazakhstan Latvia Lithuania Luxembourg Malta Mexico Netherlands New Zealand Nicaragua North Korea Norway Panama Paraguay Peru Poland Portugal Slovakia Slovenia South Africa Spain Suriname Sweden Switzerland Taiwan Trinidad and Tobago Turkey UK United States Uruguay Venezuela State <Select State> Alabama Alaska American Samoa Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virgin Islands Virginia Washington West Virginia Wisconsin Wyoming