When a refrigerator won’t get cold and the basics have already checked out, refrigerant is a natural next suspect. It’s worth knowing upfront, though, that this isn’t a repair a homeowner can take on themselves, and the reasons go beyond it just being difficult.
It’s Legally Restricted
Federal regulation requires certification to purchase, handle, or recover refrigerant of any kind, sealed-system refrigerators included. This exists because these compounds carry real environmental consequences when released improperly, not as a bureaucratic formality.
The Physical Risk Is Real Too
The sealed system operates under genuine pressure, and refrigerant itself can cause frostbite on contact with skin or create breathing difficulty if it accumulates in a small, enclosed kitchen. This calls for the right equipment and training, not caution alone.
Signs Worth Mentioning to a Technician
A compressor that runs constantly without the cabinet ever getting properly cold, a faint hissing near the back of the unit, or an oily film around refrigerant lines are all signals worth flagging — though confirming an actual leak takes pressure-testing equipment you won’t have at home.
What Happens Next
An EPA-certified technician can properly diagnose a sealed-system fault and either repair it or advise on replacement depending on the unit’s age and the leak’s location. Visit our Fisher & Paykel refrigerator repair page to get a certified technician out.