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EPA Refrigerant Leak Rate Calculator
Enter your system data below to instantly calculate your annualized leak rate and check EPA Section 608 compliance. No account, no signup, no cost.
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EPA Leak Rate Thresholds
Effective January 1, 2026, the charge threshold dropped from 50 lbs to 15 lbs. Systems at or above 15 lbs of refrigerant are now subject to Section 608 leak rate tracking.
| System Type | Leak Rate Threshold | Charge Threshold |
|---|---|---|
| Commercial Refrigeration | 15% | ≥ 15 lbs (as of Jan 2026) |
| Comfort Cooling | 30% | ≥ 15 lbs (as of Jan 2026) |
| Industrial Process | 30% | ≥ 15 lbs (as of Jan 2026) |
The EPA requires owners of commercial refrigeration systems to maintain an annualized leak rate below 15% under 40 CFR Part 82, Subpart F.
Comfort cooling systems must maintain a leak rate below 30% annually.
As of January 2026, the full charge threshold dropped from 50 lbs to 15 lbs, subjecting hundreds of thousands of additional systems to leak rate tracking.
Frequently Asked Questions
How is the annualized leak rate calculated?
The EPA formula annualizes your net refrigerant loss over a 12-month period. It divides the net pounds lost (refrigerant added minus refrigerant recovered) by the system's full charge, then scales that ratio to 365 days. Formula: (Net Loss lbs / Full Charge lbs) × (365 / Measurement Period Days) × 100. This gives you the percentage of the full charge that would be lost in a year at the current rate.
What happens if my system exceeds the leak rate threshold?
Under 40 CFR Part 82, Subpart F, you must repair the leak within 30 days of discovery. After repairs, you must verify the system is back below the threshold and document all service in your leak rate records. If repairs cannot be completed within 30 days, you may apply for a one-time extension. Chronic violators risk EPA enforcement action including civil penalties up to $44,539 per day per violation.
Does this calculator work for R-22 systems?
Yes. This calculator applies to all refrigerant types covered under EPA Section 608, including R-22, R-410A, R-134a, R-404A, R-407C, and all other regulated substances. The leak rate threshold (15% or 30%) is determined by the system type, not the refrigerant type. Enter the full charge in pounds regardless of refrigerant.
Is this calculator free?
Yes — completely free, no account required, and no limit on how many times you use it. If you manage multiple systems, RefrigerantTrack's free plan lets you track up to 5 systems with automatic compliance monitoring, repair deadline alerts, and one-click EPA report generation.
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Start Free — No Credit CardLast updated: April 2026
Researched by the RefrigerantTrack Research Team