Definition: ultra low energy building (General Definition)
An “ultra-low-energy building” shall refer to a building which complies with requirements for ultra-low-energy usage. At time of application for plan approval to the Commissioner of Buildings, materials shall be submitted demonstrating: that such building shall comply with the requirements of Local Law 154 of 2021, as such requirements would apply to a new building where an application for the approval of construction documents is submitted to the Commissioner of Buildings after July 1, 2027; that such building shall be designed and constructed to reduce energy use: for buildings three stories or less: such building shall be a net-zero energy building which shall produce energy onsite from renewable energy sources in an amount equal to or greater than such building ’s total energy needs; or for all other buildings : energy performance that exceeds by at least 15 percent the energy performance of such a building if designed and constructed according to an approved modeling method set forth in the New York City Energy Conservation Code. that a registered design professional has verified that the proposed design will meet the requirements of this definition; and that plans have been prepared to conduct, as relevant: inspections, equipment commissioning, and airtightness testing during the construction phase. No final certificate of occupancy shall be issued for such a building until a report prepared by a registered design professional has been submitted to the Commissioner of Buildings verifying that the building has completed and successfully passed the inspections, commissioning, and testing set forth in paragraph (d) of this definition. The Department of City Planning may, by rule, update or supplement the requirements of this section exclusively for the purpose of keeping such requirements aligned with advancing technological and construction practices. Such updates may only modify the statutory reference in paragraph (a) of this definition; the specified parameters and reference standards of paragraph (b)(2) of this definition.