HL23 located at 515 West 23rd Street in Chelsea boasts huge windows in each condo which are impressively energy-efficient. Simultaneously, they admit dazzling views of the High Line which bathe each apartment in natural light. Designed to meet LEED Gold standards, HL23 is one of the greenest condos in Chelsea, and certainly one of the most striking-looking new condominiums in the West Chelsea Arts District. Architectural grace notes such as soaring ceilings and private outdoor terraces share space with such luxurious design elements as luminous oak floors, spacious modern baths and marble-accented gourmet kitchens. HL23's energy-efficient design incorporates reflective roofing, energy-saving lighting and ventilation, water saving appliances and the use of recycled materials and low-VOC finishes in each condo.