Publications: Building Technology and Urban Systems Division

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2008

Akbari, Hashem, Ronnen M Levinson, and Stephanie Stern."Procedure for measuring the solar reflectance of flat or curved roofing assemblies."Solar Energy 82.7 (2008) 648-655. DOI
Akbari, Hashem, and Ronnen M Levinson."Status of cool roof standards in the United States." (2008).
Berdahl, Paul H, Hashem Akbari, Jeffry Jacobs, and Frank Klink."Surface roughness effects on the solar reflectance of cool asphalt shingles."Solar Energy Materials and Solar Cells 92.4 (2008) 482-489. DOI
Berdahl, Paul H, Hashem Akbari, Ronnen M Levinson, and William A Miller."Weathering of roofing materials – An overview."Construction and Building Materials 22.4 (2008) 423-433. DOI
Levinson, Ronnen M, Hashem Akbari, Melvin Pomerantz, and Smita Gupta."Estimating the solar access of typical residential rooftops: A case study in San Jose, CA."Solar 2008 (2008).
Berdahl, Paul H, and Hashem Akbari."Evaluation of titanium dioxide as a photocatalyst for removing air pollutants." (2008).
Akbari, Hashem, and Ronnen M Levinson."Evolution of cool roof standards in the United States."Advances in Building Energy Research 2.1 (2008) 1-32. DOI
Wray, Craig P, and Hashem Akbari."The effects of roof reflectance on air temperatures surrounding a rooftop condensing unit."Energy and Buildings 40.1 (2008) 11-28. DOI
Akbari, Hashem, and Leanna S Rose."Urban Surfaces and Heat Island Mitigation Potentials."Journal of the Human-Environmental System 11.2 (2008) 85-101. DOI

2007

Synnefa, Afroditi, Mat Santamouris, and Hashem Akbari."Estimating the effect of using cool coatings on energy loads and thermal comfort in residential buildings in various climatic conditions."Energy and Buildings 39.11 (2007) 1167-1174. DOI
Akbari, Hashem, Surabi Menon, and Arthur H Rosenfeld."Global cooling: effect of urban albedo on global temperature."2nd PALENC and 28th AIVC Conference (2007) 1-5.
Levinson, Ronnen M, Hashem Akbari, and Joseph C Reilly."Cooler tile-roofed buildings with near-infrared-reflective non-white coatings."Building and Environment 42.7 (2007) 2591-2605. DOI
Akbari, Hashem, Darryl J Dickerhoff, and Josh Pollak."The effect of a cool-coating on the thermal effectiveness of exposed exterior ducts."Energy and Buildings 39.6 (2007) 681-692. DOI
Levinson, Ronnen M, Paul H Berdahl, Hashem Akbari, William A Miller, Ingo Joedicke, Joseph C Reilly, Yoshi Suzuki, and Michelle Vondran."Methods of creating solar-reflective nonwhite surfaces and their application to residential roofing materials."Solar Energy Materials and Solar Cells 91.4 (2007) 304-314. DOI

2006

Kaarsberg, Tina, and Hashem Akbari."Cool Roofs Cool the Planet."Home Energy (2006) 38-41.
Akbari, Hashem, Paul Berdahl, Ronnen M Levinson, Stephen Wiel, William A Miller, and Andre Desjarlais."Cool Color Roofing Materials." (2006).

2005

Levinson, Ronnen M, Paul H Berdahl, Asmeret A Berhe, and Hashem Akbari."Effects of soiling and cleaning on the reflectance and solar heat gain of a light-colored roofing membrane."Atmospheric Environment 39.40 (2005) 7807-7824. DOI
Levinson, Ronnen M, Paul H Berdahl, and Hashem Akbari."Solar spectral optical properties of pigments—Part I: model for deriving scattering and absorption coefficients from transmittance and reflectance measurements."Solar Energy Materials and Solar Cells 89.4 (2005) 319-349. DOI
Levinson, Ronnen M, Paul H Berdahl, and Hashem Akbari."Solar spectral optical properties of pigments—Part II: survey of common colorants."Solar Energy Materials and Solar Cells 89.4 (2005) 351-389. DOI
Akbari, Hashem, Ronnen M Levinson, and Leo I Rainer."Monitoring the energy-use effects of cool roofs on California commercial buildings."Energy and Buildings 37.10 (2005) 1007-1016. DOI
Akbari, Hashem, Asmeret A Berhe, Ronnen M Levinson, Stanley Graveline, Kevin Foley, Ana H Delgado, and Ralph M Paroli."Aging and Weathering of Cool Roofing Membranes." (2005).
Akbari, Hashem, Ronnen M Levinson, William A Miller, and Paul H Berdahl."Potentials of urban heat island mitigation."Proceedings of the 1st International Passive and Low Energy Cooling for the Built Evironment 1 (2005) 11.
Akbari, Hashem, and Steven J Konopacki."Calculating energy-saving potentials of heat-island reduction strategies."Energy Policy 33.6 (2005) 721-756. DOI
Akbari, Hashem, and Andre Desjarlais."Cooling down the house: residential roofing products soon will boast "cool" surfaces."Professional Roofing (2005).
Levinson, Ronnen M, Hashem Akbari, Steven J Konopacki, and Sarah E Bretz."Inclusion of cool roofs in nonresidential Title 24 prescriptive requirements."Energy Policy 33.2 (2005) 151-170. DOI