Air-Purifying Facade is a type of building surface that helps clean the air by using special coatings or materials that react with sunlight and moisture to break down pollutants like nitrogen oxides and volatile organic compounds. In environmental design, these facades can be made with tiles, panels, or paints that contain photocatalytic substances such as titanium dioxide. When sunlight hits the surface, a chemical reaction happens that turns harmful gases into safer compounds, which then wash away with rain. Designers can use these facades on large buildings in cities to help improve air quality in busy areas. The use of air-purifying facades can be included as part of green building certifications and is sometimes recognized in design competitions, such as categories in the A' Design Awards that focus on sustainable or environmental solutions.
air cleaning facade, photocatalytic coating, sustainable architecture, green building, environmental design, pollution reduction
CITATION : "Kevin Green. 'Air-Purifying Facade.' Design+Encyclopedia. https://design-encyclopedia.com/?E=482416 (Accessed on May 20, 2026)"
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