The number of homes winning the government's Energy Star designation since the program began in 1995 has crossed the 1 million mark. Despite an overall housing slump, 75,000 have been added so far this year for a total of 1,024,200.
Last year, Energy Star homes accounted for nearly 17% of all single-family homes built, up from 12% in 2007.
The Energy Star label means a house is at least 20% more energy-efficient than other new homes.
"They are better homes," with more efficient windows, lighting, appliances, insulation, heating and cooling, says Maria Vargas of the Environmental Protection Agency's Energy Star program.
Private programs that certify homes as environmentally friendly also report growth, despite a 30% plunge in new homes started or completed in the year ending in October, the last month for which Census data are available.
"There's an awakening going on," says Nate Kredich of the U.S. Green Building Council, a non-profit group whose rating criteria are stricter than Energy Star. Kredich says its number of certified homes, which increased from 1,151 last year to 3,050 so far this year, is a small but growing share of all new homes.
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