Refrigerant Leak Rate Calculator

Calculate refrigerant leak rate and annual loss from pressure decay test.

Starting pressure for leak test.
psig
Pressure after test period.
psig
Length of pressure test.
hours
Total refrigerant in system.
lbs

Results

Leak Rate-% per year
Annual Refrigerant Loss-lbs/year
Leak Status-
References: EPA Section 608 Regulations; ASHRAE Standard 147