Division 23 - HVAC - Master Specifications/Design Guidelines

​​DISCLAIMER:  These files are intended for use by consultants to the State of Wisconsin and by others for construction and remodeling of State owned facilities. The State of Wisconsin bears no liability nor responsibility for any other use of these specifications.

At the ​start of each project, consultants must download the current revision of all DFD files that apply to the project. There are two ways to download the files:

  1. Download individual files from DFD's Master Specification website. Right click on the file name and choose Save link as. Repeat this for all applicable files.
  2. Download multiple files simultaneously from DFD's file Transfer Protocol (FTP) site. Open your File Explorer program and type ftp://doaftp1380.wi.gov/master_spec​ into the address bar. Copy the applicable files to your computer. Division 01 files are not ava​ilable on the FTP site and must be downloaded from the Division 01 Master Specification website.​


HVAC - Design Guidelines - Division 23

File Name​File Title​Rev. Date
hvguide.docxHVAC Guidelines​1/14/2021
MechSystemNaming.xlsxMechanical System Naming Conventions​12/6/2023


HVAC - Master Specifications - Division 23

​File NameFile TitleRev. Date
23 01 30.51.docx​HVAC Air Duct Cleaning​10/1/2012
23 05 00.docx​Common Work Results for HVAC3/28/2022
​23 05 13.docx​Common Motor Requirements for HVAC Equipment​12/20/2023
23 05 14.docx​Variable Frequency Drives​9/8/2022
23 05 15.docx​Piping Specialties​12/20/2023
​23 05 23.docx​General Duty Valves for HVAC1/31/2024
23 05 29.docx​Hangers and Supports for HVAC Piping and Equipment​3/17/2023
23 05 48.docx​Vibration and Seismic Controls for HVAC Piping and Equipment​11/9/2023
23 05 93.docx​Testing, Adjusting and Balancing for HVAC4​/3/2023
​23 07 00.docx​HVAC Insulation
​12/20/2023
23 08 00.docx​Commissioning of HVAC​1/17/2017
23 09 14.docx​Pneumatic and Electric Instrumentation and Control Devices for HVAC9/6/2023
​23 09 15.xlsx​Direct Digital Control Input/Output Point Summary Tables​3/28/2023
23 09 23.docx​Direct Digital Control System for HVAC3/28/2023
23 09 24.docx​Direct Digital Control System for HVAC (Informational Purposes Only)​3/28/2023
23 09 93.docx​Sequence of Operations for HVAC Controls3/28/2023
​23 11 00.docx​Facility Fuel Piping​10/25/2016
23 12 13.docx​Facility Fuel Oil Pumps
​10/1/2012
23 15 13.docx​Utility Compressed Air Piping​5/9/2022
23 21 13.docx
​Hydronic Piping9/28/2021
23 21 23.docx
​Hydronic Pumps​11/15/2019
23 21 23.13.docx​Hydronic Pumps for Utilities​10/18/2023
23 22 13.docx​Steam and Condensate Heating Piping​12/20/2023
23 22 13.13.docx​Underground Steam and Condensate Heating Piping12/20/2023
23 22 13.16.docx​​Underground Hot Water Heating Piping12/20/2023
23 22 23.docx​Steam Condensate Pumps​10/10/2012
​23 23 00.docx​Refrigerant Piping
​10/25/2016
23 24 00.docx​Internal Combustion Engine Piping​10/1/2012
23 25 00.docx​HVAC Water Treatment​11/29/2023
23 30 16.docx​Sump Pumps for Utilities​12/9/2014
​23 31 00.docx​HVAC Ducts and and Casings​6/19/2020
23 33 00.docx​Air Duct Accessories​2/17/2022
23 34 00.docx​HVAC Fans​4/5/2017
23 36 00.docx​Air Terminal Units
7/11/2023
23 37 13.docx​Diffusers, Registers and Grilles​7/11/2023
23 41 00.docx​Particulate Air Filtration12/28/2017
23 51 00.docx​Breechings, Chimneys and Stacks​5/1/2017
23 52 00.docx​Heating Boilers​3/7/2023
23 53 00.docx​Heating Boiler Feedwater Equipment​10/1/2012
23 54 00.docx​Gas Fired Furnaces​10/1/2012
23 55 00.docx​Fuel Fired Heaters​10/1/2012
23 57 00.docx​Heat Exchangers for HVAC​9/23/2022
​23 62 13.docx​Packaged Air-Cooled Refrigerant Compressor and Condensing Units​10/1/2012
23 64 15.docx​Water Cooled Chillers​12/20/2017
23 65 00.docx​Cooling Towers5/8/2020
​23 72 00.docx​Air-to-Air Energy Recovery Equipment​12/4/2023
23 73 12.docx​Air Handling Unit Coils​2/24/2020
23 73 13.docx​Modular Indoor Central-Station Air-Handling Units4/12/2022
23 73 23.docx​Factory Fabricated Custom Air Handling Units4/12/2022
​23 73 24.docx​Factory Fabricated Custom Laboratory Exhaust Energy Recovery Units4/12/2022
​23 81 26.docx​Split-System Ductless Air-Conditioners​7/13/2017
23 82 00.docx​Heating and Cooling Terminal Units​12/11/2023
23 84 13.docx​Humidifiers​10/1/2012


HVAC - Master Details - Division 23

File Name​File Title​Rev. Date
CoilDet_DetA.dwg​​Coil Piping Detail A​3/3/2020
​CoilDet_DetB.dwg​​Coil Piping Detail B​​3/3/2020
HVACRoofing_DetA.dwg​​HVAC Roofing Detail A2/24/2020
HVACRoofing_DetB.dwg​HVAC Roofing Detail B​​10/1/2012
HVAC Schedules.xlsx​​HVAC Schedules​​4/7/2017
PumpDet_DetA.dwgHydronic ​​Pump Detail3/1/2023
SumpPump_Det.dwg​​Sump Pump Detail​​11/20/2023
SteamAnchor_Det.dwg​​Steam Anchor Detail​​10/23/2023
SteamPiping_DetA.dwg​Steam Piping Detail A​10/20/2023
SteamPiping_DetB.dwg​Steam Piping Detail B​3/3/2020
SteamPRV_Det.dwg​Steam Pressure Reducing Valve Detail​11/6/2018
SteamSupport_Det.dwg​Steam Support Detail​10/23/2023
TermDet_Det A.dwg​​Terminal Unit Detail A​​12/14/2015
TermDet_Det B.dwg​Terminal Unit Detail B​​​5/23/2022