Freon™ NU-22B™ (R-422B) — Wholesale HFC Refrigerant

HFC refrigerant blend for R-22 retrofit applications. Provides improved efficiency and capacity.

Freon™ NU‑22B™ (R‑422B) – Effortless R‑22 Retrofit Refrigerant

Upgrade your existing R‑22 systems without downtime or overhaul with Freon™ NU‑22B™ (R‑422B) — the reliable, high-performance solution embraced by HVAC technicians worldwide.

🌱 Performance & Compatibility at a Glance

HFC Blend – Zero Ozone Depletion

R‑422B is a non-ozone-depleting hydrofluorocarbon blend composed of R‑125, R‑134a, and R‑600a

Seamless Drop-In Replacement for R‑22

Mimics R‑22’s pressure-temperature behavior with <10% capacity loss, preserving system efficiency

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ASHRAE A1 Safety Classification

Non-toxic, non-flammable at atmospheric pressure — safe for technician and end-user environments

🔧 Retrofit Made Easy

No Oil Change Needed

Compatible with mineral oil, alkylbenzene, POE, and PAG — typically avoids the need for oil conversion

Direct Expansion Systems Ready

Designed for TXV, piston, and capillary systems; ideal for residential AC as well as commercial rooftop units and chillers

✅ Technical Highlights

Feature Details

Blend Composition R‑125 / R‑134a / R‑600a (zeotropic)

Ozone Depletion Potential (ODP) 0 — environmentally responsible

Temperature Glide Moderate — requires liquid charging

Capacity Difference vs R‑22 Minimal (<10%), ensuring high performance

🛠️ Ideal Applications

Residential & Commercial AC Systems

Light & Medium Temperature Refrigeration

Walk-in Coolers, Rooftop Units, Packaged Terminals, Non-Flooded Chillers

💼 Why Install NU‑22B?

Cost-Effective Retrofits – No costly oil change or component swaps

Reliable & Safe – Same safety and performance parameters as R‑22

EPA Compliant – Zero ODP, HFC alternative approved under current regulations

Shelf-Ready – Sold in 25 lb (≈11.3 kg) reusable cylinders, DOT-approved and ready-to-use