Before service
Confirm asset or circuit identity, full charge, refrigerant type, and appliance category.
HVAC contractors
Complete owner service links without a technician account.
Open the owner’s 48-hour service link, complete the refrigerant service record, include certification number and service notes, and keep the completed work connected to the owner’s equipment history.
HVACAudit by Subpart helps owners manage Subpart C refrigerant records for covered circuits. Subpart provides accounts, service links, reports, billing, and compliance history.
48-hour service linksOwners send a temporary link to the technician.
No technician accountThe technician can complete the service record without logging in.
Certification numberCertification number and service notes are captured with the record.
Owner historyCompleted records stay connected to the owner’s site, asset, and covered circuit.
Field use
A practical contractor path.
Technicians can complete owner service links without creating an account. HVAC companies can create accounts when they want their own service activity organized.
During service
Enter the calculation details, certification number, and service notes.
After completion
Subpart calculates the leak-rate result and adds the completed record to the owner’s compliance history.
HVAC company account
Optional account value for HVAC companies.
An HVAC company account can help organize service activity, but the owner remains responsible for compliance records.
Service activity
Keep service work easier to review across customer jobs.
Public calculator
Use guest calculator access for quick checks.
Owner records
Use owner service links when the record belongs in the owner account.
FAQ
Common questions
Short answers for coverage, service links, calculation, and account history.
Does the technician need a Subpart account?
No. A technician records refrigerant service details through a 48-hour owner service link without an account.
What does the technician provide?
The service record includes refrigerant added, certification number, service notes, and the calculated leak-rate result.
Who keeps the compliance record?
The owner or operator keeps the compliance record. Completed service-link work is added to the owner’s history.
References
Primary references
Use current rule text and EPA materials for compliance decisions.
Support
Subpart support
Questions about accounts, billing, service links, or calculator access?