Home Steel Structures

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According to the Environmental Resource Guide, produced by the American Institute of Architects, more than 30% of the energy consumed in the United States goes to making and maintaining buildings. This includes both operating energy --the energy required for space heating and cooling, lighting, refrigeration, water heating and other building functions--, and energy embodied in the physical structure.

The Canadian Mortgage and Housing Corporation, and SAR Engineering, have developed a computer program called "Optimize" that is designed to estimate the embodied energy, lifecycle energy, and environmental impact of a house.

Figures from the creators of the Optimize program provide the estimate that for a "standard house in Toronto with a 40-year life", the total embodied energy is 2,352 Gj (One gigajoule is equivalent to about 1 million Btu). The total operating energy over 40 years is 9,060 Gj, which results in expected operating energy of approximately 226 Gj per year. This means that a typical house will exist and operate for ten years before the total operating energy starts to outstrip the embodied energy contained in the building components. The embodied energy of a house is not static, either. Very few houses go through an entire 40-year life span without undergoing remodeling projects that involve tearing out old materials and installing new ones, further increasing the embodied energy contained within a house.

Since the combustion of one Gigajoule of natural gas produces 52.8 Kilograms of CO2, the construction of a typical home contributes to global warming with 124,186 Kilograms of greenhouse gases.

A similar home built with the Terra-Steel System developed and patented by Sunway Homes reduces a 40% on the embodied energy, because walls are built with the greenest of all construction materials: earth's soil.

The timber industry always responds to the critics saying: "trees grow back", but according to a study by Albert Meier and David Duffy from the University of Georgia, clearcut decimates the biodiversity of a forest. The Popular Science Magazine, reporting on the findings of the study, came to the conclusion that:

"Trees grow back. Ecosystems probably not"

Sunway Homes proudly supports environmental issues and believes their product will help preserve the American, Mexican and Canadian forests.

The American Steel Industry recycles approximately eight million junked automobiles per year.

Today, 68% of Steel available in the market has been recycled. That makes steel the most recycled material on earth planet .

A Sunway Steel Structured home is built with metal from 6 to 10 recycled automobiles.

Properly insulated, steel structured Sunway Homes are capable of saving 50% or more of the cost of heating and cooling versus a conventional wood framed home. This results in the conservation of valuable energy resources, and the lowering of the emission of hazardous carbon monoxide and other destructive contaminants into the atmosphere.

Catalog of Home Designs

Classified by framed area

All measurements are subject to change due to structural requirements.

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Estructuras de Acero AA, S.A. de C.V.

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