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Case Studies  > Concrete Shines in ENERGY STAR® Home
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For the past five years, The New American Home® (TNAH) has been certified through the ENERGY STAR® program. Each of these homes has featured concrete wall systems, one of the most energy-efficient building envelopes available.

The New American Home 2008
features more than 500 cubic
yards of concrete.
This year’s home, which debuted at last week’s International Builders' Show in Orlando, Fla., is no exception. It utilizes a relatively new concrete system and some of the most trusted concrete technology. The exterior structural walls were built with a combination of lightweight autoclaved aerated concrete blocks (AAC), and traditional poured-in-place concrete. 

These concrete wall systems helped reduce energy consumption for heating and cooling by about 62 percent compared to a house of comparable size in the same climate. That level far exceeds the ENERGY STAR requirement of being at least 15 percent more energy efficient than a typical home. ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy designed to save money and protect the environment through energy efficient products and practices.

Concrete systems and products provide the home other environmental and comfort benefits. The more than 500 cubic yards of poured concrete throughout the 6,725 square-foot home create a house that is resistant to termites, fires, wind, hurricanes, floods, and other natural disasters. Together these and other “green” building products make the 2008 New American Home the first home to be certified by the National Home Builders Association’s National Green Building Program.

The home is topped with
concrete roof tiles.
Especially important for this home are the excellent soundproofing qualities of concrete. It's located near the Orlando International Airport.

In addition to providing a comfortable home, concrete products contributed to the home’s beauty. The family room

fireplace is built from concrete veneer bricks. The home is topped with concrete roof tiles and finished with a cement-based system.