23 74 00 Packaged Outdoor HVAC Equipment
23 74 23.16 Packaged, Indirect-Fired, Outdoor, Heating-Only Makeup-Air Units
23 74 13Packaged, Outdoor, Central-Station Air-Handling Units23 74 16Packaged Rooftop Air-Conditioning Units23 74 16.11Packaged, Small-Capacity, Rooftop Air-Conditioning Units23 74 16.12Packaged, Intermediate-Capacity, Rooftop Air-Conditioning Units23 74 16.13Packaged, Large-Capacity, Rooftop Air-Conditioning Units23 74 23Packaged, Outdoor, Heating-Only Makeup-Air Units23 74 23.13Packaged, Direct-Fired, Outdoor, Heating-Only Makeup-Air Units23 74 23.16Packaged, Indirect-Fired, Outdoor, Heating-Only Makeup-Air Units23 74 33Dedicated Outdoor-Air Units