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ALAS Appliance Service

Commercial Walk-In Freezer Repair in Denton, TX

Walk-in freezer icing up, frosting at the door or running warm? ALAS Appliance Repair diagnoses and repairs walk-in freezers for restaurants, hotels, senior living communities and other businesses across Denton, with after-hours emergency service available.

  • Serving all of Denton
  • Written quote before work begins
  • After-hours emergency service
  • 12-month sealed-system warranty

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Walk-in cooler evaporator being serviced by ALAS

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Walk-In Freezer Repair Needs in Denton Restaurants and Kitchens

North Texas humidity is hard on walk-in freezers. Each trip inside on a humid day brings in moist air, which freezes on the coil, along the door frame and over the ceiling panels. Defrost cycles normally melt it away; when a heater, timer or termination switch fails, the coil packs with ice, air stops moving and the temperature climbs. Ice patches on the floor by the entrance, or a door that has to be forced open, deserve attention before the box warms.

Busy kitchens in Denton, from restaurants on US 380 and around Rayzor Ranch to high-volume university-area food service, open the freezer door constantly during a shift, and every opening adds moisture. A freezer reached through a cooler section cuts down the humid air, though its door heater, gasket and closer still need to be in good shape. Hold frozen stock at 0°F or colder, do not pry ice off the coil, and call if the reading keeps rising. Refrigerant work belongs with a technician.

Common walk-in freezer problems

What’s Wrong With Your Walk-In Freezer?

The walk-in freezer problems we see most often, and the parts a technician checks first for each one.

SymptomCommon causes a technician checksGuide
Freezer not holding 0°F or running warmIced evaporator coil, failed defrost heater or termination control, failed evaporator fan or fan delay, dirty condenser coil, low refrigerant, failing low-temperature compressor
Check a thermometer inside the box, not only the display, and make sure product isn’t stacked against the evaporator.

Possible causes a technician checks: Iced evaporator coil, failed defrost heater or termination control, failed evaporator fan or fan delay, dirty condenser coil, low refrigerant, failing low-temperature compressor

Schedule a diagnosis
Heavy ice on the evaporator coilFailed defrost heater, timer or termination thermostat, failed fan delay switch, leaking door gasket, low refrigerant charge
Don’t chip ice off the coil. Note the box temperature and whether the coil ever clears after a defrost.

Possible causes a technician checks: Failed defrost heater, timer or termination thermostat, failed fan delay switch, leaking door gasket, low refrigerant charge

Schedule a diagnosis
Ice on the ceiling, walls or around the doorWorn door gaskets, door not closing fully, failed door or frame heater, iced pressure relief port, gaps at panel joints, missing strip curtain
Look for a frost line around the door opening. It usually shows exactly where warm air is getting in.

Possible causes a technician checks: Worn door gaskets, door not closing fully, failed door or frame heater, iced pressure relief port, gaps at panel joints, missing strip curtain

Schedule a diagnosis
Door frozen shut or hard to openFailed door frame heater, frozen gasket, failed or iced pressure relief port creating a vacuum after the door closes
Don’t pry the door. Wait a minute after closing it and try again; if it frees up, the relief port is the likely cause.

Possible causes a technician checks: Failed door frame heater, frozen gasket, failed or iced pressure relief port creating a vacuum after the door closes

Schedule a diagnosis
See every walk-in freezer symptom and cause

The complete walk-in freezer repair guide

Our main walk-in freezer repair page explains common problems, repair-or-replace decisions and how a repair visit works, in more detail.

Urgent repair

Walk-In Freezer Warming Up?

Frozen product holds its temperature for a while if the door stays shut, so act calmly and quickly. USDA guidance notes food kept at 0°F stays safe, and food that still has ice crystals can usually be refrozen. After-hours and emergency service is available at an additional charge in Denton.

Denton Walk-In Freezer Repair FAQs

Yes. ALAS repairs walk-in freezers for Denton restaurants, cafes, senior living communities and other businesses, including the Downtown Denton Square, the Oak-Hickory and West Denton historic districts, Bell Avenue, Crestwood Heights, Southridge, Forrestridge, Robson Ranch, Preserve at Pecan Creek and the UNT and TWU areas.

We serve Denton ZIP codes 76201, 76205, 76207, 76208, 76209 and 76210, and the part of Denton in ZIP code 76226. Enter your ZIP code on this page to confirm service at your address.

Outside air is slipping in where the seal fails and turning to ice. The culprits are usually a split gasket, a weak closer or a frame heater that has quit. Run a hand along the gasket for gaps and let the door swing shut to see if it latches by itself. If the ice returns once it has been cleared, one of those parts probably has to be replaced.

Yes. Denton has hotel kitchens that serve banquets and events, including the convention hotel in the Rayzor Ranch District with its 70,000-square-foot convention center. Large events mean heavy freezer traffic. Describe the freezer’s size, its current reading and where the frost is gathering so the technician can narrow it down.

Leave the door shut, confirm the breaker is on and the unit is running, and look for a coil buried in ice. Move critical product to another freezer if you can. Record the temperature and the time you found it, since that helps with food safety decisions. Then call for service rather than restarting the system repeatedly.

Denton service area © OpenStreetMap (opens in a new tab)City pageBranch

Where we work in Denton

Denton Neighborhoods We Serve

ALAS provides walk-in freezer repair across Denton, including the Downtown Denton Square, the Oak-Hickory and West Denton historic districts, Bell Avenue, Crestwood Heights, Southridge, Forrestridge, Robson Ranch, Preserve at Pecan Creek and the UNT and TWU areas, covering ZIP codes 76201, 76205, 76207, 76208, 76209 and 76210 and the Denton portion of 76226. Check your ZIP code to confirm service at your address.