Florida Solar Energy Center FLORIDA SOLAR ENERGY CENTER

Florida Solar Energy Center

FLORIDA SOLAR ENERGY CENTER (FSEC) • Research Institute of the University of Central Florida • Located in Cocoa, FL • Nationally recognized for their work in: – – – – Energy efficiency and building science Solar thermal systems Photovoltaic systems Hydrogen energy Indoor air quality Advanced HVAC systems Pollutant detoxification

FSEC Impacts • Florida Energy Gauge Program – Florida Department of Community Affairs • Energy Star New Homes Program – EPA • Energy-Efficient Industrialized Housing Program – US Department of Energy • Florida Green Building Coalition • USGBC / LEED

Energy Efficiency Studies With Metal Roofing • Flexible Roof Facility (FRF) • New Smyrna Beach Zero Energy Home • Florida Power and Light/Habitat for Humanity Homes

Flexible Roof Facility (FRF) • Located in Cocoa, Florida • Compares average Mid-Attic High Temperatures of five roof systems each year

FRF 1999 Results Average Mid-Attic Temps • • • Average Outside Temp: 89. 1 degrees White Aluminum Shake: 92. 9 degrees White “S” Tile: 93. 9 degrees White Standing Seam: 98. 8 degrees Red “S” Tile: 109. 8 degrees Black Shingle: 122. 7 degrees

FRF 2000 Results Average Mid-Attic Temps • • • Average Outside Temp: 89. 4 degrees White “S” Tile: 95. 5 degrees White Standing Seam: 98. 5 degrees Brown Aluminum Shake: 102. 9 degrees Red “S” Tile: 110. 0 degrees Black Shingle: 121. 4 degrees

FRF 2001 Results Average Mid-Attic Temps • Average Outside Temp: 87. 8 degrees • Reflective Pigment Brown Aluminum Shake: 98. 4 degrees • White “S” Tile: 99. 1 degrees • White Standing Seam: 102. 2 degrees • Red “S” Tile: 107. 9 degrees • Black Shingle: 119. 7 degrees

FRF 2002 Results Average Mid-Attic Temps • • • Average Outside Temp: 85. 9 degrees Ivory Aluminum Shake: 93. 3 degrees White Standing Seam: 93. 7 degrees Galvalume 5 V Crimp: 97. 1 degrees Galvanized 5 V Crimp: 99. 4 degrees Black Shingle: 116. 7 degrees

New Smyrna Beach Zero Energy Home • White Standing Seam Roof – Light-colored walls, large overhangs • Integrated Roof-Mounted Photovoltaic System • July 20, 2004 Test Data – – Ambient Temperature: 77. 1 degrees Attic Temperature: 78 degrees Bottom of Decking Temperature: 78. 5 degrees Roof Surface Temperature: 82. 5 degrees • Website to access energy performance data: http: //www. logger. fsec. ucf. edu/cgi-bin/wg 40. exe? user=ZEHDATA

FP & L / Habitat Homes • Executive Summary: http: //www. fsec. ucf. edu/Bldg/pubs/coolroof/index. htm • Seven side-by-side identical homes in Fort Myers with the following roof systems: – Standard dark shingles – Light colored shingles – Standard dark shingles with R-19 insulation and sealed attic – White “S” tile – White flat tile – Terra-cotta “S” tile – White standing seam

FP & L / Habitat Homes • Cooling savings – Standard dark shingles (Control) – Terra-cotta “S” tile – 3% reduction – Light colored shingles -- 4% reduction – Standard dark shingles with R-19 insulation and sealed attic – 9% reduction – White flat tile – 17% reduction – White “S” tile – 20% reduction – White standing seam – 23% reduction