Delfield Walk-In Freezer Not Freezing in St. Augustine, FL
Freezer compartment stays above 0°F. Common causes: defrost thermostat, evaporator fan, sealed-system leak. We fix this on Delfield walk-in freezers across St. Augustine. Same-day service is standard here, not a rush-fee upsell.

Why your Delfield walk-in freezer is not freezing
The first things owners spot on a not freezing Delfield walk-in freezer: freezer compartment stays above 0°F. Common causes: defrost thermostat, evaporator fan, sealed-system leak. On this platform it's most often evaporator fan not running. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- A weak or failing compressor
- Sealed-system refrigerant leak
- Defrost thermostat or heater failure
- Failed temperature sensor
Known Delfield walk-in freezer weak points
- front-breathing condenser clogging with dust and grease, raising cabinet temperature
- evaporator/defrost faults leading to ice buildup or warm running
- door gasket and hinge wear on prep-table lids and reach-in doors
- temperature-control drift on sandwich/salad pans not holding safe food temps
Quick check — and when it's not DIY
One thing you can rule out on your own: confirm the thermostat setting, that the door seals fully, and that vents inside aren't blocked by over-packed items. Also, listen for the evaporator fan running when the door's closed, since a silent fan is a common first sign. When that isn't the fix, it's usually a defrost heater, sensor, or sealed-system fault, and diagnosing those needs a multimeter and refrigeration training, not guesswork.
How we fix it
First we diagnose the Delfield walk-in freezer end to end, so you're not paying to swap parts on a guess. Delfield OEM parts are widely available through the Ali Group/Welbilt network; sealed-system refrigerant work needs an experienced technician. Most not freezing jobs finish same-day, at a flat price, under our warranty.
Independent commercial service experienced with Delfield refrigeration; not authorized by the manufacturer.
What St. Augustine homeowners say
on the First Coast
“Same-day response — a tech was diagnosing the Delfield walk-in freezer hours after I called. Fair price, no surprise fees, and the Delfield walk-in freezer has worked perfectly since.”
“They squeezed our Delfield walk-in freezer in on a busy day and still showed up inside the window. The diagnostic fee came off the repair total, just like they promised.”
“No waiting around — the Delfield walk-in freezer was diagnosed within an hour of the tech arriving. No runaround — they told me honestly what it needed and fixed just that.”
Frequently asked questions
Is the repair guaranteed?
You're covered by our 1-year labour warranty and 6-month parts warranty. Should the same fault return inside that period, the follow-up visit is free.
What does the call-out cost?
We charge $149 for a full diagnostic, credited to the repair if you proceed. No separate trip fee and no surcharges added later.
How fast can you get to St. Augustine?
We do — St. Augustine is on our daily route, with same-day and after-hours emergency slots. The earlier you call, the better the odds of a same-day visit.
What does a Delfield walk-in freezer that is not freezing usually cost?
Expect $280–$1,495 for parts and labour on a Delfield walk-in freezer that is not freezing. We charge a $149 diagnostic that comes off the repair total, and nothing begins until you approve a flat price.
Get same-day service in St. Augustine.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.