# HVACAudit

HVACAudit is a Subpart product site for covered 40 CFR Part 84 Subpart C refrigerant work.

Core facts:
- Calculator: https://subpart.io/tools/leak-rate
- Pricing: https://subpart.io/pricing
- HVACAudit by Subpart helps owners manage Subpart C refrigerant records for covered circuits.
- Every Subpart account includes 3 free Subpart C circuit licenses for covered refrigerant circuit records.
- Additional free Subpart C circuit licenses are not available.
- Professional Subpart C circuit licenses are $9 per covered circuit with 4-year data retention.
- Included and Professional Subpart C circuit licenses both support reports, service records, and cryptographically verifiable records.
- The license difference is quantity and retention period: 3 included Subpart C circuit licenses with 180-day rolling history, or Professional Subpart C circuit licenses with 4-year retention.
- Every Subpart account includes 3 free Subpart C circuit licenses for covered circuit records.
- Additional free Subpart C circuit licenses are not available.
- Professional Subpart C circuit licenses are $9 per covered circuit with 4-year data retention.
- Included and Professional Subpart C circuit licenses both support reports, service records, and cryptographically verifiable records.
- Owners create sites, assets, and covered circuit records.
- Owners can create 48-hour service links for technicians.
- Technicians record refrigerant added, certification number, and service notes through service links without an account.
- Service-link records include certification number and service notes.
- Owners are notified when technician service is completed.
- Owners can see whether service links are active, completed, or expired.
- Subpart calculates the leak-rate result from the owner’s equipment history. Completed service-link records include the calculated leak-rate result and are stored in the owner’s compliance history.
- HVACAudit is not legal advice.

Main pages:
- https://hvacaudit.app/
- https://hvacaudit.app/technician-service-links/
- https://hvacaudit.app/subpart-c-leak-rate-calculator/
- https://hvacaudit.app/40-cfr-84-106-leak-repair/
- https://hvacaudit.app/15-pound-refrigerant-threshold/
- https://hvacaudit.app/refrigerant-recordkeeping/
- https://hvacaudit.app/section-608-vs-aim-act/
- https://hvacaudit.app/hvac-contractors/
- https://hvacaudit.app/facility-managers/