Northstar
Same-day dispatch · 30.33°N 81.66°W · Est. 2009

Master-Bilt 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 Master-Bilt walk-in freezers across St. Augustine. Urgent breakdowns get priority dispatch, so they don't wait until morning.

4.9250 Google reviews1 year labour warranty
Commercial kitchen equipment
1-Year Labour Warranty
On every job
6-Month Parts Warranty
OEM original parts
Licensed & Insured
Insured for work in FL
Same-Day Service
Emergency dispatch
Emergency

Why your Master-Bilt walk-in freezer is not freezing

A Master-Bilt walk-in freezer that is not freezing tends to show the same signs: freezer compartment stays above 0°F. Common causes: defrost thermostat, evaporator fan, sealed-system leak. On this platform it's most often a clogged defrost drain. Left unaddressed, food or stock can spoil within hours.

Most likely causes

  • A weak or failing compressor
  • Blocked air vents between compartments
  • Failed temperature sensor
  • A clogged defrost drain
  • Defrost thermostat or heater failure

Known Master-Bilt walk-in freezer 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 booking a repair, 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. Beyond that, 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 Master-Bilt walk-in freezer 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. You approve a flat price up front, and the work is backed by our labour and parts warranty.

independent commercial service experienced with Master-Bilt walk-ins, reach-ins and merchandisers, not authorized by the manufacturer

Reviews · on record

What St. Augustine homeowners say

4.9
250+ Google reviews
on the First Coast
★★★★★
Called late at night and a tech was here by mid-morning to look at the Master-Bilt walk-in freezer. The tech explained exactly what went wrong before touching anything.
Jennifer F. · Verified customer
★★★★★
Two other shops couldn't fit us in — these guys fixed the Master-Bilt walk-in freezer the same day. No runaround — they told me honestly what it needed and fixed just that.
Paul H. · Verified customer
★★★★★
The Master-Bilt walk-in freezer broke right before the weekend and they still came out same-day. The diagnostic fee came off the repair total, just like they promised.
Sarah A. · Verified customer
FAQ · before you call

Frequently asked questions

What does a Master-Bilt walk-in freezer that is not freezing usually cost?

Expect $280–$1,495 for parts and labour on a Master-Bilt 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.

Do you warranty your repairs?

Every repair is backed by a 1-year labour warranty and a 6-month parts warranty. If the same issue returns in that window, we come back at no charge.

Do you offer same-day service in St. Augustine?

Same-day is common in St. Augustine. Our trucks run the area every day and emergency slots are held open for breakdowns that can't wait.

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.

Dispatching now · St. Augustine, FL

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Flat-rate pricing, 1 year labour warranty, and fast dispatch.