NYBC NYMC PDF

This code shall regulate the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings. This code shall also regulate those mechanical systems, system components, equipment and appliances specifically addressed herein. The installation of fuel gas distribution piping and equipment, fuel gas-fired appliances and fuel gas-fired appliance venting systems shall be regulated by the Fuel Gas Code of New York State.

Exceptions:

1. Detached one- and two-family dwellings and multiple single-family dwellings (townhouses) not more than three stories high with separate means of egress and their accessory structures shall comply with the Residential Code of New York State.

2. Mechanical systems in existing buildings that are undergoing repairs, alterations, changes in occupancy or construction of additions shall be permitted to comply with provisions of the Existing Building Code of New York State.