There is a category of service call where the most valuable thing a repair company can do is decline the job. This LG refrigerator in Nolan Hill is what that looks like in practice.
The customer’s complaint was ordinary: the fridge isn’t cooling properly. TechVill technician Hardeep opened the diagnostic the way any sealed-system suspicion starts — at the evaporator.

Reading the frost pattern
A healthy evaporator coil frosts evenly across its full surface — the refrigerant boils off along the whole coil, pulling heat uniformly. This LG LFXS27566S showed a poor, uneven frost pattern: refrigerant wasn’t circulating the way it should. Meanwhile the compressor was running continuously, never cycling off, and was hot to the touch — a compressor working flat-out against a circuit that can’t move heat, and failing to reach target temperature anyway. Together, those three observations point to a sealed-system fault: a failing compressor or an internal restriction in the refrigerant loop.

Just as important was what the inspection did not find: no visible leaks and no physical damage. That negative finding matters more than it sounds — it rules out mishandling or an external cause, and it means the failure is internal to the sealed system.
The thesis: check the warranty before you approve a sealed-system quote
A sealed-system repair — compressor, filter drier, refrigerant recovery and recharge — is one of the most expensive jobs in residential refrigeration, routinely $800–$1,500+. But LG backs the linear compressor in this generation of refrigerators with a 10-year manufacturer warranty — the badge is printed on the door of this very unit. This fridge was still inside its coverage window.
So the recommendation on the work order was not a quote. It was: have this repair completed under LG’s manufacturer warranty. The clean diagnostic file — sealed-system symptoms documented, no damage or leaks found — is exactly what supports a smooth warranty claim, because a finding of physical damage could have jeopardized eligibility.

What this case demonstrates
TechVill installed nothing and sold nothing on this visit — the diagnostic took 26 minutes, and its product was a documented finding that saves the customer a four-figure repair. An independent shop only earns trust for the repairs it does charge for by being straight about the ones it shouldn’t. If your LG refrigerator is losing cooling and is under ten years old, check its warranty position before approving any sealed-system work — and expect your technician to raise it first.
Book online to schedule a refrigerator diagnostic with our team in NW Calgary.