Free Download · HVAC Field Reference

2026 A2L Refrigerant
Cheat Sheet

R-410A is banned from new equipment. R-454B is replacing it. One-page printable reference — phaseout dates, refrigerant comparison, safety rules, EPA 608 update. Free instant download.

📅 Jan 1, 2026 — R-410A distributor sale ban
⚠️ A2L — mildly flammable, different handling
📄 1 page — print and keep in your van
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What's on the sheet

Everything You Need at a Job Site

One laminated page covers the whole A2L transition — no scrolling through EPA docs on a hot roof.

📅 R-410A Phaseout Timeline

  • Jan 1, 2025 — no new R-410A equipment manufactured
  • Jan 1, 2026 — no distributor sales of R-410A equipment
  • Jan 1, 2027 — mandatory recovery enforcement stepped up
  • Existing systems: no forced retrofits, can still recharge
  • California CARB: stricter rules flagged separately

⚖️ R-410A vs R-454B vs R-32

  • GWP comparison (2,088 vs 466 vs 675)
  • Flammability class — A1 vs A2L explained
  • Charge size difference (15–40% less than R-410A)
  • Operating pressure differences and line set compatibility
  • Required equipment: A2L-rated manifolds, recovery, detectors

🧯 A2L Safety Quick-Reference

  • No open flames within 3 ft during handling
  • Ventilate confined spaces — A2L pools at low points
  • Disable electrical disconnect before opening system
  • Never vent A2L — up to $44,539/day EPA fine
  • Emergency procedure: evacuate, eliminate ignition, ventilate

📋 EPA 608 Update (2025–2026)

  • AIM Act + Section 608 applies to all A2L refrigerants
  • 608 certification still required — no new A2L-specific cert yet
  • De minimis exception no longer applies to A2L
  • Refrigerant log required for systems >50 lbs
  • Always charge R-454B as liquid (blend — fractionation risk)

Who This Is For

❄️
HVAC Technicians
🏠
Service Managers
📋
HVAC Business Owners
🎓
EPA 608 Students
🔧
Install Crew Leads
📦
Refrigerant Distributors

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