Free Tools
Free HVAC Compliance Tools
Ten calculators and resources for EPA Section 608 compliance. No account required — use them anytime, for free.
Leak Rate Calculator
Calculate annualized refrigerant leak rate and compare instantly against EPA Section 608 thresholds for commercial, industrial, and comfort cooling systems.
Open toolRefrigerant Log Generator
Generate a formatted, printable EPA-compliant refrigerant service log for any appliance. Fill in the fields and download a ready-to-file PDF record.
Open toolEPA Audit Checklist
Walk through an interactive EPA Section 608 audit readiness checklist. Identify gaps in your recordkeeping before an inspector does.
Open toolSpreadsheet Templates
Download free Excel and Google Sheets templates for refrigerant tracking, leak rate logging, and EPA Section 608 recordkeeping.
Open toolLeak Cost Calculator
Estimate the annual cost of an unrepaired refrigerant leak — refrigerant replacement, labor, and potential EPA fine exposure — in seconds.
Open toolRefrigerant Phaseout Lookup
Look up the EPA phaseout status, GWP, ODP, and approved substitutes for any refrigerant. Covers R-22, R-410A, R-454B, and 20+ others.
Open toolSection 608 Risk Estimator
Answer a short questionnaire about your shop's practices and get an estimated EPA Section 608 fine exposure with specific guidance on how to reduce it.
Open toolSuperheat & Subcooling Calculator
Enter suction and liquid line temperatures and pressures to calculate system superheat and subcooling, and get a quick diagnosis of charge status.
Open toolPurchase Limit Calculator
Calculate how much refrigerant your technicians can legally purchase under EPA Section 608 annual purchase limits based on system size and type.
Open toolCharge Size Estimator
Estimate the total refrigerant charge for a system by entering equipment type, capacity, and line set length. Useful for initial charging and leak audits.
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