Eco-Friendly Refrigerants
"Freon" is actually a general term for a class of fluorine-containing refrigerants. Not all Freon is harmful to the environment. Truly eco-friendly refrigerants are HFC (hydrofluorocarbon) types that contain no chlorine, with an ODP (Ozone Depletion Potential) of 0.
🔑 Key Takeaway: Which Refrigerants Are Eco-Friendly?
ModelTypeOzone Depletion?Global Warming PotentialTypical Applications
R134aHFC❌ NoHigh🚗 Automotive A/C, Refrigerators
R410AHFC❌ NoModerate🏠 Residential Inverter A/C (Mainstream)
R32HFC❌ NoLow🏠 New Residential A/C Units
R407CHFC❌ NoHigh🏭 Commercial A/C
R404AHFC❌ NoHigh🧊 Low-Temperature Refrigeration Systems
R290 (Propane)Natural Refrigerant❌ NoVery Low🏠 Small Refrigerators
R22HCFC⚠️ MinorModerateBeing Phased Out
R12CFC✅ Severe—Banned
Simple Rule: Chlorine-containing refrigerants deplete the ozone layer; chlorine-free ones are eco-friendly.
📊 Detailed Overview of Mainstream Eco-Friendly Refrigerants
1️⃣ R134a (Common)
Evaporation temperature -26.5°C, similar performance to R12
Does not deplete ozone, but has high GWP
Used in nearly 100% of automotive A/C; aftermarket price approx. RMB 15–25 per can (250g)
Recommended purity: 99.9% or higher
2️⃣ R410A (Top Choice for Residential A/C)
Blend of R32 + R125 at 50:50
Cooling efficiency approx. 10% higher than R22; operating pressure 1.6 times that of R22
Widely adopted in Europe, the US, and Japan; standard for inverter A/C in China
Wholesale price approx. RMB 600–850 per 10kg
3️⃣ R32 (Third-Generation Trend)
GWP (Global Warming Potential) only 1/3 of R410A
Mildly flammable (A2L class), but safety is manageable
Widely used in new models in China after 2024
⚠️ Common Pitfalls
MisconceptionFact
"Chlorine-free A/C means no refrigerant"Wrong – it means no R22; it uses HFCs like R32/R410A
"Eco-friendly refrigerant = completely pollution-free"Wrong – HFCs do not deplete ozone but still contribute to global warming
"R22 and R134a can be mixed"❌ Absolutely not – systems require dedicated compressors and lubricants
"More refrigerant means colder"❌ Overcharging causes high pressure and reduced cooling performance
💰 2026 Market Reference Prices (Automotive R134a)
SpecificationPrice RangeNotes
200g canRMB 6–25Brand varies; Jinleng/Chepu etc. approx. RMB 15
300g canRMB 10–30Mainstream specification
Case of 30 cansApprox. RMB 260Wholesale channel
R410A (10kg)RMB 600–1010For residential A/C recharging
🔧 Buying Recommendations
Automotive A/C → Use R134a; choose brands with purity ≥99.9% (Jinleng, Chepu, Gates, etc.)
Residential A/C → Inverter units use R410A; newer models mostly use R32. Using the wrong type can damage the compressor.
Refrigerators/Freezers → R600a (isobutane) is eco-friendly but flammable; professional handling required.
If you tell me the specific equipment that needs refrigerant, I can provide more precise model and quantity recommendations.
