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CSI MasterFormat™ Sub-Division List |
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| CSI Code | Short Description | Extended Description |
| 15700 | Heating, Ventilating and Air Conditioning Equipment |
| 15710 | Heat Exchanger | Steam - to - Water Heat Exchanges Water - to - Water Heat Exchanges |
| 15720 | Air Handling Unit | Built - Up Indoor Air Handling Units Customized Rooftop Air Handling Units Modular Indoor Air Handling Units Modular Rooftop Air Handling Units |
| 15730 | Unitary Air Conditioning Equipment | Packaged Air Conditioners Packaged Rooftop Air Conditioning Units Packaged Rooftop Make - Up Air Conditioning Units Packaged Terminal Air Conditioning Units Room Air Conditioners Split System Air Conditioning Units |
| 15740 | Heat Pump | Air - Source Heat Pumps Rooftop Heat Pumps Water - Source Heat Pumps |
| 15750 | Humidity Control Equipment | Dehumidifiers Humidifiers Swimming Pool Dehumidification Units |
| 15755 | Heat Exchangers |
| 15760 | Terminal Heating and Cooling Unit | Air Coils Convectors Fan Coil Units Finned - Tube Radiation Induction Units Infrared Heaters Unit Heaters Unit Ventilators |
| 15770 | Floor-Heating and Snow-Melting Equipment |
| 15780 | Energy Recovery Equipment | Energy Storage Tanks Heat Pipe Heat Wheels |
| 15783 | Split-Type |
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