They have a lifespan of 8 to 10 years and cost about 4 per bulb.
Most energy saving light bulbs.
Switching to energy efficient lighting is one of the fastest ways to cut your energy bills.
Cfls use mercury to cause a phosphor coating on the inside of the bulb of fluoresce thereby.
Fluorescent light bulbs used to be notorious for the odd color of light they produce.
Incandescent bulbs and halogen bulbs have the highest wattage making them less energy efficient choices.
Compact fluorescent lamps also called cfls are the most popular energy efficient bulbs.
An average household dedicates about 5 of its energy budget to lighting.
By replacing your home s five most frequently used light fixtures or bulbs with models that have earned the energy star you can save 75 each year.
A compact fluorescent lamp cfl also called compact fluorescent light energy saving light and compact fluorescent tube is a fluorescent lamp designed to replace an incandescent light bulb.
The most energy efficient light bulbs are compact fluorescent light bulbs or cfls and led bulbs.
Cfl bulbs use fewer watts but led bulbs are the real winner in energy efficiency an 8 or 9 watt led bulb emits as much light as a 60 watt incandescent bulb.