23.81.00 Decentralized Unitary HVAC Equipment
23.81.13.12 Packaged Terminal Air-Conditioners, Freestanding Units
23.81.13 Packaged Terminal Air-Conditioners 23.81.13.11 Packaged Terminal Air-Conditioners, Through-Wall Units 23.81.13.12 Packaged Terminal Air-Conditioners, Freestanding Units 23.81.13.13 Packaged Terminal Air-Conditioners, Outdoor, Wall-Mounted Units 23.81.16 Room Air-Conditioners 23.81.19 Self-Contained Air-Conditioners 23.81.19.13 Small-Capacity Self-Contained Air-Conditioners 23.81.19.16 Large-Capacity Self-Contained Air-Conditioners 23.81.23 Computer-Room Air-Conditioners 23.81.23.11 Small-Capacity, Computer-Room Air-Conditioners, Floor Mounted Units 23.81.23.12 Large-Capacity, Computer-Room Air-Conditioners, Floor-Mounted Units 23.81.23.13 Computer-Room Air-Conditioners, Ceiling Mounted Units 23.81.23.14 Computer-Room Air-Conditioners, Console Units 23.81.23.16 Computer-Room Air-Conditioners, Rack Mounted, Space-Cooling Units 23.81.23.18 Computer-Room, Rack-Cooling Equipment 23.81.26 Split-System Air-Conditioners 23.81.26.13 Small-Capacity Split-System Air-Conditioners 23.81.26.16 Large-Capacity Split-System Air-Conditioners 23.81.29 Variable Refrigerant Flow HVAC Systems 23.81.43 Air-Source Unitary Heat Pumps 23.81.46 Water-Source Unitary Heat Pumps 23.81.49 Ground-Source Unitary Heat Pumps