Incandescent bulbs and halogen bulbs have the highest wattage making them less energy efficient choices.
Most energy saving light bulbs.
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.
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.
By replacing your home s five most frequently used light fixtures or bulbs with models that have earned the energy star you can save 45 each year.
Compared to traditional incandescents energy efficient lightbulbs such as halogen incandescents compact fluorescent lamps cfls and light emitting diodes leds have the following advantages.
An average household dedicates about 5 of its energy budget to lighting.
They have a lifespan of 8 to 10 years and cost about 4 per bulb.
Compact fluorescent lamps also called cfls are the most popular energy efficient bulbs.
Some types fit into light fixtures designed for incandescent bulbs.
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.