Master-Bilt Commercial Refrigerator Thermostat Issue in Middleburg, FL
Temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. We fix this on Master-Bilt commercial refrigerators across Middleburg. Typical response time in this area is under an hour once you're on the schedule.

Why your Master-Bilt commercial refrigerator is thermostat issue
The first things owners spot on a thermostat issue Master-Bilt commercial refrigerator: temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. On this platform it's most often stuck thermostat contacts. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- Wiring fault to the sensor
- A miscalibrated thermostat
- A bad control board
- Failed temperature sensor
- Stuck thermostat contacts
Known Master-Bilt commercial refrigerator weak points
- evaporator coil icing and defrost faults
- freezer door heater-wire and gasket failures
- condensing-unit compressor failures
- merchandiser glass-door heater and anti-sweat faults
Quick check — and when it's not DIY
Before you call anyone, confirm the temperature setting itself, and give the unit 24 hours after any adjustment before assuming it's broken. If it's still acting up after that, if the setting's right and it still misreads, the sensor or board needs testing with a meter, and a wrong guess here means paying for a part that wasn't the problem.
How we fix it
First we diagnose the Master-Bilt commercial refrigerator end to end, so you're not paying to swap parts on a guess. OEM parts are available through Master-Bilt/Refrigerated Solutions Group and PartsTown; sealed-system refrigerant work requires an experienced technician. Most thermostat issue jobs finish same-day, at a flat price, under our warranty.
independent commercial service experienced with Master-Bilt walk-ins, reach-ins and merchandisers, not authorized by the manufacturer
What Middleburg homeowners say
on the First Coast
“No waiting around — the Master-Bilt commercial refrigerator was diagnosed within an hour of the tech arriving. They clearly knew Master-Bilt inside out and had the part on the truck.”
“The Master-Bilt commercial refrigerator broke right before the weekend and they still came out same-day. Clean, on-time, and they took the old part with them. Would call again.”
“Same-day response — a tech was diagnosing the Master-Bilt commercial refrigerator hours after I called. Genuine parts, done in one trip, and the invoice matched the quote.”
Other Master-Bilt commercial refrigerator problems we fix
Frequently asked questions
Is there a fee for the diagnostic?
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.
What's the price for a Master-Bilt commercial refrigerator that is thermostat issue?
Expect $280–$1,300 for parts and labour on a Master-Bilt commercial refrigerator that is thermostat issue. We charge a $149 diagnostic that comes off the repair total, and nothing begins until you approve a flat price.
Do you warranty your repairs?
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.
Do you offer same-day service in Middleburg?
We do — Middleburg 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.
Get same-day service in Middleburg.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.