Measured performance of a reflective roofing system in a Florida commercial building

This paper reports on the first results from tests on a reflective roofing system on a commercial building in Florida. The building is a elementary school with a sloped, modified bitumen roof. Air-conditioning power was measured in a base configuration prior to the roofing system being changed to a...

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Bibliographic Details
Main Authors: Parker, Danny S, Sherwin, John R, Sonne, Jeffrey K
Format: Conference Proceeding
Language:English
Subjects:
Air conditioning
Cooling
Electric power measurement
Electric power utilization
Reflective coatings
School buildings
Structural design
Thermal effects
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Summary:This paper reports on the first results from tests on a reflective roofing system on a commercial building in Florida. The building is a elementary school with a sloped, modified bitumen roof. Air-conditioning power was measured in a base configuration prior to the roofing system being changed to a white color. Roof, decking, and plenum air temperatures were strongly affected by the change to a white roof system. The school, which was monitored for a full year in both the pre- and post-condition, saw the measured annual chiller electric power reduced by 10%, or 13,000 kWh/yr. Cooling-load reductions during the utility summer peak were substantially greater, more than 30% during the afternoon hours.
ISSN:0001-2505