1745 N Street has a total of 68 condominium units located in the Dupont Circle neighborhood on N Street between 17th and 18th Street. It is a development of condominiums that includes two buildings, The Tower and the Historic Building. The Historic is a 29 unit renovation that preserves historic details such as working fireplaces and a grand staircase to meet current codes. The Tower is a new 39 unit 6 story building with an underground garage. The HVAC indoor equipment consists of 68 pancake style units ranging from 1.5 tons to 4 tons with a heat pump located on the roof. Bath exhaust and Dryer vents terminate out of the side of the building to a wall cap. 5 Ductless Split Systems condition the amenity areas and a gas detection system with control panel and sensors was furnished and installed per code requirements.