1713085

Designing Low-Emittance Low-Slope Roofs that Comply with California Title 24 Requirements

Conference Proceeding by ASHRAE, 2008

William (Bill) Miller, PhD; Lee Shoemaker, PhD; Andre Desjarlais; Scott Kriner; Russ Dunlap; Adam Youngquist

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Full Description

Numerical simulations investigated the effects of thermal emittance, solar reflectance, and roof insulation on low-slope roof heat transfer for nonresidential buildings located in the 16 climate zones of California. The cooling and heating seasonal roof heat transfers are compared to data for low-slope roofs having 0.55 solar reflectance and 0.75 thermal emittance. Recommendations are provided that enable bare and acrylic-coated metal roofs to comply with California’s building efficiency standards.

Presented at Thermal Performance of Exterior Envelopes of Whole Buildings X – December 2007

Units: Dual

Citation: Thermal Performance of Exterior Envelopes of Whole Buildings X

 

Product Details

Published:
2008
Number of Pages:
12
File Size:
1 file , 3.2 MB
Product Code(s):
D-BldgsX18