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Efficient energy useWikipedia

Efficient energy use, sometimes simply called energy efficiency, is the goal to reduce the .. The disadvantage of ground source heat pumps is their high initial capital cost, but .. Turbochargers can increase fuel efficiency by allowing a smallerThe National Renewable Energy Laboratory maintains a comprehensive list of

ENERGY STAR Most Efficient— Furnaces |…

These exceptional furnaces represent the leading edge in energy efficient products this year. Access the full list of products recognized as ENERGY STAR Most

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