مصطلح فريون Freon يعني الآلات التي تعمل على التبريد, وتعتمد في تكوينها على المواد الفلوروكربونية غير القابلة للاحتراق, لتكون مبردات وآلات تعمل على دفع (تسيير) الذرات الصلبة أو السائلة
هناك عدة أنواع من الفريون وهذا حسب قوة الضاغط و اختلاف الضغط
| الفريون | الاسم العلمي | لون الاسطوانة |
| R11 | Trichlorofluoromethane CCL3F | |
| R12 | Dichlorodifluoromethane CCL2F2 | |
| R13 | Chlorotrifluoromethane CCLF3 | |
| R22 | ||
| R23 | Trifluoromethane CHF3 | |
| R113 | ||
| R114 | ||
| R500 | ||
| R502 | Difluorochloromethane / Trifluoroethane | |
| R503 | Trifluoromethane / Trifluorochloromethane CHF2CF3 / CH3CF3 | |
| R507 | Pentafluoroethane / Trifluoroethane CHF2CF3 / CH3CF3 | |
| R134a | Tetrafluoroethane CF3CH2F | |
| R123 | ||
| R404A | Pentafluoroethane / Trifluoroethane / Tetrafluoroethane CHF2CF3 / CH3CF3 / CF3CH2F | |
| R409A | ||
| R408A |
| R-11 | ||
| Molecular weight | 137.4 | |
| Boiling point @ 101.3 kPa | 23.8 | C° |
| Freezing point | -111.1 | C° |
| Critical Temperature | 197.8 | C° |
| Critical Pressure | 4412.7 | kpa |
| Liquid density @ 30 °C | 1462.4 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 0.8799 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.5866 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1300 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Mineral oil | |
| Toxicity | Safe | |
| R-12 | ||
| Molecular weight | 120.9 | |
| Boiling point @ 101.3 kPa | -29.8 | C° |
| Freezing point | -157.8 | C° |
| Critical Temperature | 112.2 | C° |
| Critical Pressure | 4116.2 | kpa |
| Liquid density @ 30 °C | 1291.2 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.0056 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.6285 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1400 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Mineral oil | |
| Toxicity | Safe | |
| R-13 | ||
| Molecular weight | 104.5 | |
| Boiling point @ 101.3 kPa | -81.4 | C° |
| Freezing point | -181.1 | C° |
| Critical Temperature | 28.9 | C° |
| Critical Pressure | 3868.0 | kpa |
| Liquid density @ 30 °C | 1318.4 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.0056 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.5447 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1800 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Mineral oil | |
| Toxicity | Safe | |
| R-22 | ||
| Molecular weight | 86.5 | |
| Boiling point @ 101.3 kPa | -40.8 | C° |
| Freezing point | -160.0 | C° |
| Critical Temperature | 96.1 | C° |
| Critical Pressure | 4978.0 | kpa |
| Liquid density @ 30 °C | 1172.8 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.2989 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.6700 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1800 | kJ/kg.°K |
| Flammability range in air vol.% (ASHRAE 34) | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Lubricant | |
| Toxicity | Safe | |
| R-123 | ||
| Molecular weight | 152.93 | |
| Boiling point @ 101.3 kPa | 27.9 | C° |
| Freezing point | -107 | C° |
| Critical Temperature | 184 | C° |
| Critical Pressure | 3675.6 | kpa |
| Liquid density @ 30 °C | 1446.6 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.0000 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.7123 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1000 | kJ/kg.°K |
| Flammability range in air vol.% (ASHRAE 34) | None | |
| ANSI/ASHRAE standard 34 safety group | B1 | |
| Flammability | None | |
| Lubricant | Mineral oil | |
| Toxicity | Low toxicity | |
| R-404A | ||
| Molecular weight | 97.6 | |
| Boiling point @ 101.3 kPa | -46.1 | C° |
| Freezing point | C° | |
| Critical Temperature | 72.4 | C° |
| Critical Pressure | 3688.7 | kpa |
| Liquid density @ 30 °C | 1017.2 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.5481 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.8786 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1200 | kJ/kg.°K |
| Flammability range in air vol.% (ASHRAE 34) | None | |
| ANSI/ASHRAE standard 34 safety group | A1/A1 | |
| Flammability | None | |
| Lubricant | Polyol ester oil | |
| Toxicity | None | |
| R-23 | ||
| Molecular weight | 70.0 | |
| Boiling point @ 101.3 kPa | -82.1 | C° |
| Freezing point | -155 | C° |
| Critical Temperature | 25.6 | C° |
| Critical Pressure | 4833.3 | kpa |
| Liquid density @ 30 °C | 1195.2 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.3827 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.6704 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.2400 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | ||
| Flammability | None | |
| Lubricant | Polyol ester oil | |
| Toxicity | Safe | |
| R-134a | ||
| Molecular weight | 102.03 | |
| Boiling point @ 101.3 kPa | -26.2 | C° |
| Freezing point | -96.6 | C° |
| Critical Temperature | 101.1 | C° |
| Critical Pressure | 4066.6 | kpa |
| Liquid density @ 30 °C | 1186.7 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.4200 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.8799 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1200 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Polyol ester oil | |
| Toxicity | Safe | |
| R-502 | ||
| Molecular weight | 111.6 | |
| Boiling point @ 101.3 kPa | -54.4 | C° |
| Freezing point | C° | |
| Critical Temperature | 82.2 | C° |
| Critical Pressure | 4074.8 | kpa |
| Liquid density @ 30 °C | 1129.0 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.2570 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.7123 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.1400 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Mineral Oil | |
| Toxicity | None | |
| R-503 | ||
| Molecular weight | 87.5 | |
| Boiling point @ 101.3 kPa | -87.8 | C° |
| Freezing point | C° | |
| Critical Temperature | 19.4 | C° |
| Critical Pressure | 4357.5 | kpa |
| Liquid density @ 30 °C | 1256.0 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa & 30 °C | 1.732 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa & 30 °C | 0.5866 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa & 30 °C | 1.2100 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | ||
| Flammability | ||
| Lubricant | Mineral Oil | |
| Toxicity | Safe | |
| R-507 | ||
| Molecular weight | 98.9 | |
| Boiling point @ 101.3 kPa | -46.5 | C° |
| Freezing point | C° | |
| Critical Temperature | 70.8 | C° |
| Critical Pressure | 4006.0 | kpa |
| Liquid density @ 30 °C | 1057.0 | kg/m3 |
| Specific heat of liquid @ 101.3 kPa and 30 °C | 1.5270 | kJ/kg.°K |
| Specific heat of vapor @ 101.3 kPa and 30 °C | 0.8800 | kJ/kg.°K |
| Specific heat ratio (k=Cp/Cv) @ 101.3 kPa and 30 °C | 1.1300 | kJ/kg.°K |
| Flammability range in air vol.% ASHRAE 34 | None | |
| ANSI/ASHRAE standard 34 safety group | A1 | |
| Flammability | None | |
| Lubricant | Polyol ester oil | |
| Toxicity | None | |