As a reference, a small 10-inch-diameter model produces as much light as three 100-watt incandescent light bulbs. A larger 14-inch model is equivalent to using five 100-watt bulbs.

Dear Jim: I try to use fewer electric lights to save electricity. I would like to get more natural light, but the cost of a skylight is over my budget. Are tubular skylights effective and easy to ...

All tubular and compact fluorescent bulbs four feet long and shorter are collected at these centers. Broken bulbs will not be accepted. The bulbs will be dry-stored inside the buildings at the ...

4W T10 Tubular Clear LED Medium Base E26 Refrigerator Light Bulb (40W Equivalent) Compact Corn A15 Appliance Lamp for Fridge Freezer Waterproof Home Lighting 100-265V Daylight White 5000K, Now 65. ...