SCI & TECH● LOW1h ago · Sep 10, 2026, 4:53 PM
Between 2001 and 2003, Philadelphia painted 340 low-income home roofs white; roof temperatures dropped between 4 and 5 °F, and air conditioning electricity consumption decreased by 560 kWh per year
Clarín · north america
The Philadelphia Cool Homes program applied reflective white coatings to the roofs of 340 low-income elderly homes. The measure managed to reduce the roof temperature by up to 5 °F (2.8 °C) and generated an average saving of 560 kWh per year per household in air conditioning, equiv
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