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Retrofitting Old City Historic Buildings with Modern and Efficient Ductless AC Units

Retrofitting old city historic buildings with mode

Retrofitting Old City Historic Buildings with Modern and Efficient Ductless AC Units \p>Old City Philadelphia’s 18th and 19th-century brick rowhomes and commercial buildings present unique challenges for modern climate control. The Philadelphia Historical Commission’s strict preservation guidelines make traditional ductwork nearly impossible, but modern ductless mini-split systems offer an elegant solution that maintains historic character […]