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Some countertop appliances cost more to operate than to buy, says the founder of a Bethesda lab that offers an independent analysis of those costs.
A new home for two local families also stands as a public model of energy efficiency and affordability.
District of Columbia officials are unveiling a new affordable and energy efficient home.
"I think people are becoming more and more educated to the benefits of building a more green, energy-efficient home," said Mark Lancaster, owner of Middletown-based Lancaster Craftsmen Builders.
The 55 homes will feature cost-saving, green technology, including solar panels, energy recovery ventilation and geothermal pipes.