Are there any high efficacy luminaires that are 100% American made?

— Toby Broemmeling Spokane, WA

Answered by David Bergman on February 21, 2012

How do I make sure a residential condominium has good and proper lighting?

— JC Soriano Pasadena, CA

Answered by David Bergman on January 12, 2012

Are there efficient alternatives to halogen track lighting?

— Melissa Burlington, VT

Answered by David Bergman on August 2, 2011

How can I find out how much energy my refrigerator uses?

— Dawn Nesiba Tacoma, WA

Answered by David Bergman on June 28, 2011