New Rule: No Air Conditioning the Sidewalk

The D.C. Department of Energy & Environment will begin to enforce a new law that requires commercial properties to keep their doors and windows shut while operating an air conditioner inside the premises. (Restaurants with connected outdoor and indoor seating are exempt from the law.) This summer, businesses could be fined up to $800. The reason for the law is to conserve energy during peak-use hours to avert brownouts, as an extra load on an air conditioner requires more energy.


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