Passive Cooling Potential of a Suite of Retrofits for Older Los Angeles Housing with Significance for Policy
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Four retrofits to older housing are examined: cool roofs, window overhangs, window films and shade trees. The potential of these measures to lower the temperature inside homes in Los Angeles is evaluated through literature review. An energy simulation, modeling these retrofits is attempted. Typical costs of the retrofits are gauged. The review concludes that passive cooling retrofits have been under appreciated as a possible remedy for heat stress, and as an alternative to air conditioning. Some implications for policy are examined and guidelines for action recommended.