We’ve always found it a bit strange that one of the most energy-intensive systems in our homes wasn’t covered by the Energy Star program: water heaters. Water heaters are particularly challenging to select. They’re expensive, they employ several different technologies, and unlike many appliances you can’t just judge their merits based on what you see in a store. Well, Energy Star has finally stepped up and given us some guidance. The standards for hot water heaters were released last year, and
