Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...

Actual 3K or 12.5K color temperature (kelvin) is the average measured color temperature of 10 bulb samples ... part of the Lightbulbs test program at Consumer Reports. In our lab tests, Lightbulbs ...