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ALAS Appliance Service

Commercial Walk-In Freezer Repair in Frisco, 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 Frisco, with after-hours emergency service available.

  • Serving all of Frisco
  • 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 Frisco Restaurants and Kitchens

Frisco’s hospitality market has grown alongside its restaurants. The Fields development, about 2,500 acres along US 380 between Preston Road and the Dallas North Tollway, is home to the PGA of America headquarters and the Omni PGA Frisco Resort, and resort and banquet kitchens in settings like that keep large volumes of frozen product on hand. A walk-in freezer serving banquets may sit lightly used for days, then see constant door traffic during a single event.

In Frisco’s humid summers, warm air that slips in each time the door opens turns into frost on the evaporator coil, around the door frame and along the ceiling panels. The defrost system is supposed to melt it on a schedule. A burned-out defrost heater, a stuck timer or a bad termination thermostat lets frost stack on the coil until airflow stops and the box warms. If you see a thick ice coat on the coil, do not scrape it; turn the box over to a technician and keep frozen product at 0°F or below.

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 Frisco.

Frisco Walk-In Freezer Repair FAQs

Yes. ALAS repairs walk-in freezers for Frisco restaurants, cafes, senior living communities and other businesses, including the Downtown Rail District, Frisco Square, Starwood, Stonebriar, Phillips Creek Ranch, Newman Village, Richwoods, Frisco Lakes and Hollyhock.

We serve Frisco ZIP codes 75033, 75034, 75035 and 75036, plus the part of Frisco in ZIP code 75068. Enter your ZIP code on this page to confirm service at your address.

Yes. We work on walk-in freezers for hotel, resort and banquet kitchens across Frisco, including the Fields area along US 380. Tell us the dimensions of the box, its current reading, the spot where the condensing unit is mounted, and whether frost is collecting on the coil or along the door frame. That helps us arrive ready for the likely cause.

Usually the door frame heater has failed or a gasket is torn, letting moist air reach the cold frame and freeze there. A closer that does not pull the door tight makes it worse. Check the gasket for gaps, but avoid prying the door open with tools. If ice keeps returning, the frame heater, gasket or closer needs repair.

Treat a steady rise as urgent. Keep the door shut, note the time and temperature, and move high-value product to another freezer if you have space. A box that is slowly warming often has a defrost or fan problem that can be caught before product thaws. Call with the reading and a description of what you see on the coil.

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

Where we work in Frisco

Frisco Neighborhoods We Serve

ALAS provides walk-in freezer repair across Frisco, including the Downtown Rail District, Frisco Square, Starwood, Stonebriar, Phillips Creek Ranch, Newman Village, Richwoods, Frisco Lakes and Hollyhock, covering ZIP codes 75033, 75034, 75035 and 75036, plus the Frisco portion of 75068. Check your ZIP code to confirm service at your address.