Gram Commercial Walk-In Freezer Thermostat Issue in Middleburg, FL
Temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. We fix this on Gram Commercial walk-in freezers across Middleburg. Typical response time in this area is under an hour once you're on the schedule.

Why your Gram Commercial walk-in freezer is thermostat issue
The first things owners spot on a thermostat issue Gram Commercial walk-in freezer: temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. More often than not it traces back to wiring fault to the sensor. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- Failed temperature sensor
- Stuck thermostat contacts
- A bad control board
- A miscalibrated thermostat
Known Gram Commercial walk-in freezer weak points
- door gasket wear causing temperature rise and condensation
- evaporator icing from failed defrost cycles or worn seals
- condenser fan and compressor faults on reach-in cabinets
- electronic controller and temperature-sensor faults
Quick check — and when it's not DIY
Start here — it costs nothing and rules out the easy cause: confirm the temperature setting itself, and give the unit 24 hours after any adjustment before assuming it's broken. Also, compare the reading against a separate thermometer placed in the same spot for an hour. Should that not clear it, a sensor that's confirmed inaccurate has to be replaced and recalibrated against the control board — guessing which part is at fault wastes a parts order.
How we fix it
An experienced tech tests the Gram Commercial walk-in freezer systematically and pinpoints what's actually causing the thermostat issue. OEM parts are sourced through Hoshizaki/Gram distributors and can have longer lead times as an imported brand; sealed-system refrigerant repairs requires an experienced technician. You approve a flat price up front, and the work is backed by our labour and parts warranty.
independent commercial service experienced with Gram Commercial refrigeration, not authorized by the manufacturer
What Middleburg homeowners say
on the First Coast
“Same-day response — a tech was diagnosing the Gram Commercial walk-in freezer hours after I called. You can tell they work on Gram Commercial all the time — quick, clean diagnosis.”
“They squeezed our Gram Commercial walk-in freezer in on a busy day and still showed up inside the window. Genuine Gram Commercial part, flat price, and done in a single visit.”
“No waiting around — the Gram Commercial walk-in freezer was diagnosed within an hour of the tech arriving. Fixed on the first visit — the flat price matched the quote exactly, no upsell.”
Frequently asked questions
What does the call-out cost?
The $149 diagnostic covers a full on-site inspection and is applied to your repair total. There are no hidden trip charges or surcharges on top of your quote.
Can you come out same-day in Middleburg?
Same-day is common in Middleburg. Our trucks run the area every day and emergency slots are held open for breakdowns that can't wait.
How much does a Gram Commercial walk-in freezer that is thermostat issue cost?
Most repairs for a Gram Commercial walk-in freezer that is thermostat issue run $280–$1,300 including parts and labour. The $149 diagnostic is credited in full toward the repair when you go ahead, and you get a flat quote before any work starts.
Do you warranty your repairs?
We stand behind the work with a 1-year labour warranty and 6-month parts warranty — if it recurs in that time, we fix it again for free.
Get same-day service in Middleburg.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.