Energy efficiency – Replace lamps with more energy efficient ones
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Utilitech Energy saving CFL 100-Watt EQ Soft White Medium Base (E-26) Cfl Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
Amazon.com: SANSI 60W Equivalent LED Light Bulbs, 22-Year Lifetime,6 Pack 900 Lumens Light Bulb with Ceramic Technology,5000K Daylight Non-Dimmable, E26, A15, Efficient & Safe 9W Energy Saving for Home Lighting : Everything
Ultra energy-efficient LED with 50-year lifespan set to hit shelves
Philips 40-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Daylight (5000K) (4-Pack) 461160 - The Home Depot
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Philips 60-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Soft White (2700K) (4-Pack) 461129 - The Home Depot
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Philips Ultra Efficient LED 60-Watt A19 Light Bulb, Daylight, Non-Dimmable, E26 Base (2-Pack) - Walmart.com
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LED vs. CFL Bulbs: Which Is More Energy-Efficient?
Feit Electric Light Bulb 60W Equivalent LED A19 - BJs Wholesale Club
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Honeywell 60-Watt Equivalent A19 Non-Dimmable Energy Saving LED Light Bulb Soft White (8 per Box) A196021HQ800 - The Home Depot