A: Because these Energy-efficient light bulbs are available today and could save you about plenty of money per year in energy costs when you replace 15 traditional incandescent bulbs in your home.
Compared to traditional incandescents, energy-efficient light bulbs have the following advantages:
Typically use about 80% less energy, saving you money
Can last 25 times longer.
Today's energy-efficient bulbs are available in the wide range of colors and light levels you've come to expect. While the initial price of energy-efficient bulbs is typically higher than traditional incandescents, newer bulbs cost less to operate, saving you money over the life of the bulb. Many of the newer bulbs last significantly longer than traditional bulbs, so you won't need to replace them as often.
The table below compares a 60 watt (W) traditional incandescent with energy efficient LED bulbs that provide similar light levels.