​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.


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We are transitioning our forms to an online platform, AccessGov, that meets Americans with Disabilities Act (ADA) guidance. You will be able to submit some forms directly within the platform, while some may require you to print to PDF and upload to another system. Please follow the instructions on each form to ensure proper submission.


Owners/Contractors

FormDescription
SBD-34-E
SBD-34-E
Mechanical Refrigeration Installation Registration (PDF)
Mechanical Refrigeration Installation Registration (fill-in)
SBD-10788-EMechanical Refrigeration Accident Report
SBD-9890XApplication for Review, Petition for Variance

Inspectors

FormDescription
SBD-4341Inspection Report and Orders (Continued)
SBD-5204
SBD-5204
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)

DocumentDescription
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
A2L Refrigerants
A2L Refrigerant Requirements in Wisconsin​