Solar Hot Topics

Installing a solar water heating system? Make sure you aren’t left out in the cold

When considering solar hot water, many consumers wonder: What is the best system? What will it look like on my home? How will I know if I am getting a good deal on a long-lasting system? In this article, we explain the difference between some glazed and unglazed collectors, and show you how to compare system costs and benefits.

KVAR Units: Energy savers, or expensive placebos?

Maybe you’ve seen an ad, or your contractor has told you about KVAR units, also called power factor correction devices. They promise that this small box will save you up to 25 percent on your electric bill. But can they really save you money? We explore the purported benefits of these devices, including the skeptical position taken by energy efficiency rating agency ENERGY STAR.