To find out which manufacturers are making the most efficient furnaces and boilers according to size, heating capacity, and fuel source, and how much they cost, refer to either the Energy Star website or the American Council for an Energy-Efficient Economy’s website.

Conventional (Air-Source) Heat Pumps

Central Air Conditioners

Heating Systems: Furnaces and Boilers

Water Heating

Products in more than 50 categories are eligible for the ENERGY STAR. They use less energy, save money, and help protect the environment. Ask for the ENERGY STAR.

ENERGY STAR Qualified Products

Home Improvement: Improve Your Home’s Energy Efficiency with ENERGY STAR

Home Efficiency from ENERGY STAR

Heat & Cool Efficiently

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Date: January 5, 2007