328 West 53rd Street, located in the Hell’s Kitchen neighborhood of Manhattan, is a multifamily single-pipe apartment building built in 1920. The 41-unit building, today, operates, as affordable housing for lower-income families. By installing the Kelvin’s system of Cozys throughout the building, the property significantly reduced gas consumption, vastly improved resident comfort, mitigated heating-related carbon emissions helping the property to comply with Local Law 97.