​Refrigeration Systems (Mechanical)

The Division of Industry Services (DIS) oversees the minimum safety standards for the design, construction, installation, operation, testing, maintenance, repairs, and inspection of mechanical refrigeration systems in public buildings and places of employment and the minimum standards for preventing the release of ozone-depleting refrigerants into the atmosphere.

Questions regarding the refrigeration systems code can be sent to DSPSSBBoilerTech@Wisconsin.gov.


Mechanical Refrigeration Installation Registration (PDF)
Mechanical Refrigeration Installation Registration (fill-in)
SBD-10788-EMechanical Refrigeration Accident Report
SBD-9890XApplication for Review, Petition for Variance


SBD-4341Inspection Report and Orders (Continued)
Power Piping/Welded Refrigeration Piping Installation Registration (PDF)
Power Piping/Welded Refrigeration Piping Installation Registration (fill-in)
SBD-10663-EMechanical Refrigeration Regulated Object Inspection Report
SPS 345 Regular ChecklistRefrigeration Checklist Type A1/B1-Regular Refrigerants
SPS 345 Flammable/Toxic ChecklistRefrigeration Checklist Type A2,B2/A3,B3- Flammable/Toxic Refrigerants
ASME B31 Piping Checklist
ASME B31 Piping Checklist
Refrigeration Piping Checklist ASME B31.3 or B31.5 (PDF)
Refrigeration Piping Checklist ASME B31.3 or B31.5 (fill-in)

SBD-10811 Brochure describing Industry Services Mechanical Refrigeration Program
Contractor MemoHVAC Equipment Replacement Information
Damarc MemoDamarc Quality Inspection Service Memo
EPA Accident Prevention and Response ManualEPA Accident Prevention and Response Manual for Anhydrous Ammonia Refrigeration System Operators