23.74.00 Packaged Outdoor HVAC Equipment
23.74.16 Packaged Rooftop Air-Conditioning Units
23.74.13 Packaged, Outdoor, Central-Station Air-Handling Units 23.74.16 Packaged Rooftop Air-Conditioning Units 23.74.16.11 Packaged, Small-Capacity, Rooftop Air-Conditioning Units 23.74.16.12 Packaged, Intermediate-Capacity, Rooftop Air-Conditioning Units 23.74.16.13 Packaged, Large-Capacity, Rooftop Air-Conditioning Units 23.74.23 Packaged, Outdoor, Heating-Only Makeup-Air Units 23.74.23.13 Packaged, Direct-Fired, Outdoor, Heating-Only Makeup-Air Units 23.74.23.16 Packaged, Indirect-Fired, Outdoor, Heating-Only Makeup-Air Units 23.74.33 Dedicated Outdoor-Air Units