Commercial Walk-In Cooler Repair in Plano, TX
Walk-in cooler warm, iced up or leaking in Plano? ALAS Appliance Repair is based in Plano and repairs walk-in coolers for restaurants, hotels, senior living communities and businesses from Legacy West and Granite Park to Downtown Plano and Collin Creek, with after-hours emergency service available.
- Based in Plano, on W Park Blvd
- Written quote before work begins
- After-hours emergency service
- 12-month sealed-system warranty
Business Profile

Book Walk-In Cooler Repair in Plano
Plano Walk-In Cooler Repair From a Local Team
Plano’s restaurant rows, hotel kitchens and senior living communities depend on walk-in coolers that hold temperature through every service. When a box starts drifting above 41°F, product, inspections and the next meal service are all at risk. ALAS Appliance Repair has been fixing commercial refrigeration from our Plano base since 2019. We work on the whole walk-in system, from the door, gaskets and evaporator inside the box to the condensing unit on the roof or the back pad, and we give you a written quote before any repair begins.
Our office is on W Park Blvd in Plano, so a call from a kitchen at Legacy West, a hotel near Granite Park or a café on 15th Street in Downtown Plano is a short drive, not a cross-metro trip.
Common walk-in cooler problems
What’s Wrong With Your Walk-In Cooler?
These are the walk-in cooler problems we see most often in Plano restaurants, hotels and care facilities, with the causes a technician checks and a quick, safe check you can do before you call.
| Symptom | Common causes a technician checks | Guide |
|---|---|---|
| Running warm or not holding temperature | Dirty condenser coil, failed condenser or evaporator fan motor, iced evaporator, low refrigerant from a leak, failing compressor or contactor | Check a thermometer inside the box, not only the display, and make sure stacked product isn’t blocking the evaporator fans.Possible causes a technician checks: Dirty condenser coil, failed condenser or evaporator fan motor, iced evaporator, low refrigerant from a leak, failing compressor or contactor Schedule a diagnosis |
| Ice building on the evaporator coil | Failed defrost heater, timer or termination thermostat, leaking door gasket, door left open, low refrigerant, blocked airflow | Don’t chip ice off the coil. Note the box temperature and call for a defrost check.Possible causes a technician checks: Failed defrost heater, timer or termination thermostat, leaking door gasket, door left open, low refrigerant, blocked airflow Schedule a diagnosis |
| Water pooling on the floor | Clogged or frozen drain line, failed drain line heater, cracked drain pan, evaporator not draining after defrost | Clear the area for slip safety and check whether the water is coming from the evaporator above.Possible causes a technician checks: Clogged or frozen drain line, failed drain line heater, cracked drain pan, evaporator not draining after defrost Schedule a diagnosis |
| Condensing unit runs constantly | Dirty condenser in summer heat, low refrigerant, door seal leaks, worn compressor, thermostat or sensor out of calibration | Look at the condenser coil outside or on the roof. Lint, cottonwood and debris build up quickly in DFW.Possible causes a technician checks: Dirty condenser in summer heat, low refrigerant, door seal leaks, worn compressor, thermostat or sensor out of calibration Schedule a diagnosis |
| Compressor short-cycles or trips off | High head pressure from a dirty coil or dead condenser fan, faulty pressure control, low charge, failing contactor or capacitor | Note when it shuts off and how long it stays off. That pattern helps the technician narrow it down.Possible causes a technician checks: High head pressure from a dirty coil or dead condenser fan, faulty pressure control, low charge, failing contactor or capacitor Schedule a diagnosis |
| Door won’t seal or close on its own | Worn or torn gaskets, sagging hinges, failed door closer, damaged strip curtain | Close the door on a dollar bill. If it slides out easily, the gasket isn’t sealing.Possible causes a technician checks: Worn or torn gaskets, sagging hinges, failed door closer, damaged strip curtain Schedule a diagnosis |
| Frost or sweating on the door frame or panels | Failed door or frame heater, gaps at panel joints, damaged or wet panel insulation, warm air leaking in | Wipe the frame dry and check whether frost returns around the door opening within a few hours.Possible causes a technician checks: Failed door or frame heater, gaps at panel joints, damaged or wet panel insulation, warm air leaking in Schedule a diagnosis |
| Loud noise or vibration | Worn fan motor bearings, loose or bent fan blade, compressor wear, refrigerant line rubbing on the frame | Listen for whether the noise is inside the box (evaporator) or outside (condensing unit).Possible causes a technician checks: Worn fan motor bearings, loose or bent fan blade, compressor wear, refrigerant line rubbing on the frame Schedule a diagnosis |
Walk-In Cooler Repairs We Handle
From Legacy West kitchens to Downtown Plano cafés, we service the full walk-in system: the box and doors as well as the refrigeration equipment that cools it.
Condensing units and compressors
Rooftop, pad-mounted and top-mounted condensing units, compressors, contactors and capacitors.
Evaporator coils and fan motors
Evaporator fan motors, coil cleaning and airflow problems inside the box.
Defrost systems
Defrost heaters, timers, termination thermostats and controls that keep ice off the coil.
Refrigerant leaks and sealed system
Leak search and repair, recharge, filter driers, expansion valves and solenoid valves.
Temperature controls and sensors
Thermostats, electronic controllers, sensors and temperature alarms.
Doors, gaskets and closers
Gaskets, hinges, door closers, strip curtains, and door and frame heaters.
Drain lines and heaters
Clogged or frozen drain lines, drain line heaters and evaporator drain pans.
Walk-in brands we service
Almost all walk-in brands sold in the U.S., including Kolpak, Norlake, Master-Bilt, Bally, Amerikooler and Polar King boxes and Heatcraft refrigeration systems.
Repair or replace
Repair or Replace Your Walk-In Cooler?
A well-kept walk-in box can last many years, and the refrigeration equipment can usually be repaired or replaced separately from the box. A failed compressor or condensing unit rarely means replacing the whole walk-in.
Usually worth repairing
- A fan motor, defrost part, control or gasket has failed
- The box panels and floor are in good condition
- A refrigerant leak is found and can be repaired
- The compressor failed from a fixable cause, such as a dead condenser fan
Worth weighing carefully
- The compressor failed and the system uses an older refrigerant
- Panels are damaged or the insulation is wet
- The system keeps needing sealed-system repairs
- Your volume has outgrown the box’s capacity
Not sure which way to go? Book a diagnosis
Urgent repair
Plano Walk-In Above Safe Temperature?
If the box is climbing past 41°F, the FDA Food Code cold-holding limit that Plano health inspectors check, act quickly to protect your product. After-hours and emergency service is available in Plano at an additional charge.
How it works
How Walk-In Cooler Repair Works in Plano
Call or book online
Call or book online and tell us the business address in Plano, the box size, the brand if you know it, the current temperature and what the cooler is doing. Photos of the condensing unit and evaporator data plates help us bring the right parts.
On-site diagnosis
A technician checks airflow, the door and gaskets, the defrost system and controls before testing refrigerant pressures, so the real cause is found instead of guessed.
Written quote and approval
You receive a written quote for the repair. The diagnostic visit is billed separately, and no repair work begins until you approve the quote.
Repair and verify
We complete the repair, bring the box back down to temperature and confirm it is holding, then explain what failed and how to help prevent it.
Related
More for Plano Businesses
Other ALAS pages for Plano kitchens and facilities.
Learn more
Walk-in freezer repair in Plano
Iced coils, frozen doors, failed defrost and soft product in Plano walk-in freezers.
Learn more
Commercial maintenance plans
Scheduled maintenance and priority service for restaurants, hotels, senior living and other facilities.
Learn more
Walk-in cooler repair across DFW
Our main walk-in cooler page, covering all of the Dallas–Fort Worth cities we serve.
Where we work in Plano
Plano Neighborhoods and Business Districts We Serve
ALAS provides commercial walk-in cooler repair across Plano, including Legacy West, The Shops at Legacy, Granite Park, Downtown Plano, Willow Bend, Collin Creek, West Plano, East Plano, Park Forest, Windridge, Oak Point, Haggard Farm and Chapel Hill, and every Plano ZIP code: 75023, 75024, 75025, 75074, 75075, 75093 and 75094. We also serve the Preston Road, Dallas North Tollway, US-75 and President George Bush Turnpike business corridors.
Plano Walk-In Cooler Repair FAQs
Yes. ALAS is based in Plano on W Park Blvd and repairs walk-in coolers for restaurants, hotels, senior living communities and other businesses across the city, including Legacy West, The Shops at Legacy, Granite Park, Downtown Plano, Willow Bend, Collin Creek, West Plano, East Plano, Park Forest, Windridge, Oak Point, Haggard Farm and Chapel Hill.
We serve every Plano ZIP code: 75023, 75024, 75025, 75074, 75075, 75093 and 75094, along with the Preston Road, Dallas North Tollway, US-75 and George Bush Turnpike business corridors.
The most common causes are a dirty condenser coil, a failed condenser or evaporator fan motor, ice blocking the evaporator, a door that isn’t sealing, or low refrigerant from a leak. A failed compressor is possible, but it is often the result of one of these problems, so a technician checks airflow and defrost before refrigerant pressures.
Yes. When Plano afternoons pass 100°F, rooftop and back-pad condensing units have to reject heat into very hot air. A dirty condenser coil or a weak condenser fan can push pressures high enough to trip the compressor, which is why many walk-in failures happen on the hottest days. A spring coil cleaning helps.
Most walk-in coolers are set between about 35°F and 38°F. The FDA Food Code requires cold-held foods that need temperature control to stay at 41°F or below, so a cooler that keeps drifting above 41°F needs service before your next inspection.
Ice usually means the defrost system isn’t working, warm humid air is getting in through a worn gasket or an open door, airflow is blocked, or the system is low on refrigerant. Chipping the ice off can damage the coil, so have the cause diagnosed.
Water on the floor usually comes from a clogged or frozen evaporator drain line, a failed drain line heater or a cracked drain pan. Water from the defrost cycle has nowhere to go, so it spills into the box.
Yes. Our commercial service hours are 8 AM to 7 PM, and after-hours and emergency service is available in Plano at an additional charge. For an after-hours emergency, call us directly so we can arrange a technician.
Every call starts with an on-site diagnosis. The technician finds the cause and gives you a written quote for the repair. The diagnostic visit is a separate charge from the repair, and no repair work starts until you approve the quote.
Repairs carry a 90-day warranty, or 6 months for commercial maintenance plan members. Sealed-system repairs, such as compressor replacement and refrigerant leak repair, carry a 12-month warranty.
We work on almost all walk-in brands sold in the U.S., including Kolpak, Norlake, Master-Bilt, Bally, Amerikooler and Polar King walk-ins, and Heatcraft, Bohn, Larkin and Climate Control refrigeration systems. If you aren’t sure what you have, send us a photo of the data plate.
Yes. In a senior living or memory care community, a warm walk-in affects residents’ meals and special diets the same day, so we treat those calls with urgency and explain the repair clearly to facility staff.
Yes. ALAS offers commercial maintenance plans for Plano restaurants, hotels, senior living communities and other facilities. See our commercial plans page for what each plan covers, or call us to talk through your equipment.
Keep the door closed, record the temperature and time, and move high-risk items to working refrigeration if you can. Follow your food safety plan and the City of Plano’s health guidance on whether product that rose above 41°F can be kept.
Yes. Along with walk-in coolers, we repair walk-in freezers, reach-in refrigerators and freezers, prep tables, undercounter and bar refrigeration, and commercial ice machines throughout Plano.

