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Cool Roofs

 

Websitehttp://www.citiesofservice.org/content/cool-roofs

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Description :Save money. Stay cool. Lowering the temperature of buildings and homes can be easy. A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof. Cool roofs can be made of a highly reflective type of paint, a sheet covering, or highly reflective tiles or shingles.

Nearly any type of building can benefit from a cool roof, but consider the climate and other factors before deciding to install one.Just as wearing light-colored clothing can help keep you cool on a sunny day, cool roofs material that is designed to reflect more sunlight and absorb less heat than a standard roof. Standard or dark roofs can reach temperatures of 150°F or more in the summer sun. A cool roof under the same conditions could stay more than 50°F cooler and save energy and money by using less air conditioning.

 

Benefits of Cool Roofs

A cool roof can benefit a building and its occupants by:

  • Reducing energy bills by decreasing air conditioning needs

  • Improving indoor comfort for spaces that are not air conditioned, such as garages or covered patios

  • Decreasing roof temperature, which may extend roof service life.

  • Beyond the building itself, cool roofs can also benefit the environment, especially when many buildings in a community have them. Cool roofs can:

    • Reduce local air temperatures (sometimes referred to as the urban heat island effect)

    • Lower peak electricity demand, which can help prevent power outages

    • Reduce power plant emissions, including carbon dioxide, sulfur dioxide, nitrous oxides, and mercury, by reducing cooling energy use in buildings.

Availability Limits: None

Implementation Effort: Simple

Audience: All 

Climate Types: Arid/Dry, Temperate, Tropical

 

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