AC Refrigerant: When You Need a Recharge
If low, it means there's a leak. Understanding refrigerant helps you decide.
Signs of Low Refrigerant
- Warm air from vents
- System runs constantly
- Ice on lines
- Hissing sounds
- Higher bills
Refrigerant Types
| Type | Status | Found In |
|---|---|---|
| R-22 (Freon) | Phased out (2020) | Pre-2010 |
| R-410A (Puron) | Current standard | 2010-2024 |
| R-32 | Next generation | New high-efficiency |
| R-454B | Emerging (2025+) | Low-GWP systems |
DIY Recharge?
No. EPA requires certification. Pro will leak-test, repair, and recharge.
Cost
$150-$400 including labor. R-22: $50-$80/lb — consider upgrading.