Reflective Roof Energy Savings
Saving energy with reflective roof coatings 1.
Reflective roof energy savings. Standard or dark roofs can reach temperatures of 150 f or more in the summer sun. Most roofing systems absorb uv rays and that heat is transferred into the building. A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning. Surface solar reflectivity is measured using a precision spectral pyranometer with the device alternately faced.
If not your energy savings from applying a reflective roof coating could range anywhere from 20 to 70 when it s all said and done. Tile roofs are also fairly more expensive than asphalt shingles. Cutting energy use with reflective roof coatings savings are found in all climates and conditions. For anyone who may not know a reflective roof coating saves energy in your building by reflective uv rays back into the atmosphere.
Differences in the level of new versus old insulation appear to have a significant. The total value of base plus peak energy savings offered by a. However if you live in a hot climate that experiences warm temperatures and sunny days for a substantial portion of the year you can expect energy savings of up to 70. Reflectivity or albedo is the hemispherical reflectivity integrated over a particular wavelength band of the.
New insulation delivers peak savings. Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.