Refrigerant Charge Calculator
Estimate additional refrigerant charge for extended line sets. Free, instant.
How to Use Refrigerant Charge Calculator
1
Enter extra line set length beyond factory charge.
2
Enter refrigerant charge rate per foot.
3
Get additional ounces.
Frequently Asked Questions
When to add refrigerant?
When the line set exceeds the factory-included length, typically 15–25 ft.