Studies have shown that exposure to warm, yellow-toned light commonly associated with incandescent bulbs can help regulate ...

Buy just one or two bulbs to try them out ... 3 years of the bulbs being on for 3 hours a day. Compared with incandescent bulbs, CFLs use about 75 less energy; LEDs, 80 percent less.

Incandescent bulbs are cheap to produce ... up for the heat loss and the number of replacement bulbs you'll have to buy, they cost more in the long run. Light-emitting diodes (LED) are little ...

Those with 2700 K are closest to incandescent bulbs; ones with 3000 K are similar to halogen bulbs. The averaged measured color rendering of ten bulb samples. Those closer to 100 will better ...