23 05 13
Common Motor Requirements for HVAC Equipment
23 05 05
Selective Demolition for Heating, Ventilating, and Air Conditioning (HVAC)
23 05 00
Common Work Results for HVAC
23 01 90
Diagnostic Systems for HVAC
23 01 80
Operation and Maintenance of Decentralized HVAC Equipment
23 01 70
Operation and Maintenance of Central HVAC Equipment
23 01 60.71
Refrigerant Recovery/Recycling
23 01 60
Operation and Maintenance of Central Cooling Equipment
23 01 50
Operation and Maintenance of Central Heating Equipment
23 01 30.51
HVAC Air-Distribution System Cleaning
23 01 30
Operation and Maintenance of HVAC Air Distribution
23 01 20
Operation and Maintenance of HVAC Piping and Pumps
23 01 10
Operation and Maintenance of Facility Fuel Systems
23 01 00
Operation and Maintenance of HVAC Systems
22 67 19.19
Deionized-Water Equipment
22 67 19.16
Reverse-Osmosis Water Equipment
22 67 19.13
Distilled-Water Equipment
22 67 19
Processed Water Equipment for Laboratory and Healthcare Facilities
22 67 13.19
Deionized-Water Piping
22 67 13.16
Reverse-Osmosis Water Piping