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Procurement and Contracting Requirements
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23 01 00
Operation and Maintenance of HVAC Systems
23 05 00
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23 08 00
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23 10 00
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23 30 00
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23 51 00
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23 53 00
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23 57 00
Heat Exchangers for HVAC
23 57 13
Steam-to-Steam Heat Exchangers
23 57 16
Steam-to-Water Heat Exchangers
23 57 19
Liquid-to-Liquid Heat Exchangers
23 57 33
Direct Geoexchange Heat Exchangers
23 60 00
Central Cooling Equipment
23 70 00
Central HVAC Equipment
23 80 00
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25 00 00
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48 00 00
Electrical Power Generation
Divisions >
23 00 00 Heating, Ventilating, and Air Conditioning (HVAC) >
23 50 00 Central Heating Equipment >
23 57 00 Heat Exchangers for HVAC >
23 57 33
Direct Geoexchange Heat Exchangers
Includes
continuous sealed underground closed loop heat exchanger with one refrigerant supply tube and one refrigerant return tube.
See
23 71 00 for thermal storage of energy. 48 16 00 for geothermal energy electrical power generation equipment.
No subclassifications exist for this item