Walk-in cooler and walk-in freezer repair in Ottawa and Gatineau
We repair walk-in coolers and walk-in freezers for restaurants, grocers, caterers and institutions: evaporator and condensing-unit fans, defrost systems, controls, door hardware, heaters and drains. Diagnostic: $129 + tax, waived when you proceed with the repair.
A walk-in holds more product than any other piece of equipment in the building, so a warm box is a costly problem fast. Most walk-in calls come down to a handful of causes: an evaporator coil iced over because defrost failed, a stopped fan, a dirty condensing unit, a door that no longer closes and seals, a frozen drain line or a controller that has lost its settings.
We work through the system in order and give you the finding in writing before any repair. We diagnose the sealed system. Refrigerant work (leak repair, recharge, compressor replacement and recovery) is done for RepairWell by a certified refrigeration technician we work with.
Equipment we repair
- Walk-in coolers. Indoor walk-ins with a ceiling-mounted evaporator and a remote or top-mounted condensing unit.
- Walk-in freezers. Low-temperature boxes with electric defrost, door-frame heaters and heated drain lines.
- Combination cooler and freezer boxes. Shared-wall boxes where the freezer opens off the cooler.
- Outdoor and rooftop condensing units. Fans, contactors, controls and coil cleaning; sealed-system work by our refrigeration partner.
Problems we fix, and what can cause them
These are possibilities, not a diagnosis. The technician confirms the cause on site and writes it down before any repair.
| Symptom | Possible causes |
|---|---|
| Walk-in not cold enough | Iced evaporator, failed evaporator or condenser fan, dirty condenser coil, door not sealing, controller fault, or a sealed-system problem. |
| Evaporator coil frozen solid | Defrost heater, defrost timer or controller, termination sensor, or a stopped evaporator fan. |
| Ice on the floor or water leaking from the evaporator | Frozen drain line, failed drain-line heater, blocked or cracked drain pan. |
| Door won't close, seal or latch | Worn gasket or sweep, failed self-closer or hinge cam, sagging door, frame heater fault causing the door to freeze shut. |
| Door frozen to the frame on the freezer | Failed door-frame (perimeter) heater or a torn gasket letting moisture in. |
| Condensing unit running non-stop or tripping | Dirty condenser coil, failed condenser fan, contactor, high-pressure safety, or a charge problem confirmed on site. |
| Alarm or controller error | Failed probe, controller fault, door switch, or a real temperature problem the alarm is reporting. |
Parts we test and replace
- evaporator and condenser fan motors and blades
- defrost heaters, timers, controllers and termination sensors
- door gaskets, sweeps, hinges, closers and latches
- door-frame and drain-line heaters
- drain pans and lines
- contactors, relays and capacitors
- temperature controllers, probes and alarms
- lights and door switches
- compressors, valves and sealed-system parts (refrigeration partner)
Repairs a technician may recommend
- Defrost the evaporator and replace the failed defrost heater, timer or sensor
- Replace evaporator or condenser fan motors
- Clean the condensing-unit coil
- Replace door gaskets, sweeps, hinges or the self-closer
- Replace a door-frame or drain-line heater and clear the drain
- Replace the controller, probe or alarm
- Replace a contactor or capacitor on the condensing unit
- Sealed-system diagnosis, then leak repair, recharge or compressor work by our refrigeration partner
We diagnose the sealed system. Refrigerant work (leak repair, recharge, compressor replacement and recovery) is done for RepairWell by a certified refrigeration technician we work with. Retiring a unit instead? See Freon and refrigerant removal.
Safe checks before you call
- Check the controller set point and that the door is fully closed
- Look for product stacked against the evaporator or blocking its airflow
- Check the door gasket for tears and the floor sweep for gaps
- Note whether the evaporator fans are turning and whether the coil looks white with ice
- Keep the door closed and move the most sensitive product to another cold unit
Stop using it if
- Ice building on the evaporator fans or blades hitting ice
- A burning smell at the condensing unit or a breaker that keeps tripping
- Water near electrical boxes or lights inside the box
Never work on gas lines, wiring or refrigerant yourself.
What to expect at the visit
The technician checks box and coil temperatures, the evaporator and its fans, the defrost cycle, the drain, the doors and heaters, then the condensing unit and its controls. An iced coil has to be fully defrosted before the cause can be confirmed, which can take time. You get the finding in writing with the price before any repair; sealed-system work is quoted separately and scheduled with our refrigeration partner.
Repair or replace?
Walk-in boxes themselves rarely need replacing; it is the components that fail. Fans, defrost parts, controls, heaters and door hardware are routine repairs. A compressor or condensing-unit replacement is the big decision, and the finding gives you that price in writing before anything is ordered.
What moves the price
- Diagnostic: $129 + tax, waived when you proceed with the repair. Written finding and quote before any work.
- Whether the coil has to be defrosted before the fault can be confirmed
- Access to the evaporator and to a rooftop or remote condensing unit
- Door hardware and heaters versus control or fan work
- Sealed-system work, quoted separately by our refrigeration partner
Warranty: 90 days on parts replaced; labour coverage depends on the work done. Emergency service runs 6 pm to midnight: a $169 + tax emergency call within 35 km; beyond 35 km extra travel is quoted from your address. Emergency repairs are quoted on site and cost more than regular repairs.
Questions
How long can product stay in a warm walk-in?
Ontario's food premises rules require potentially hazardous food to be held at 4 °C or colder. Keep the door closed, move the most sensitive product and book a visit; your public health unit decides what can be kept.
Do you service the condensing unit on the roof?
Yes, for fans, contactors, controls and coil cleaning where safe roof access is available. We diagnose the sealed system. Refrigerant work (leak repair, recharge, compressor replacement and recovery) is done for RepairWell by a certified refrigeration technician we work with.
My freezer door freezes shut. Is that a repair?
Usually. A failed door-frame heater or a torn gasket is the common cause, and both are replaceable parts.
Do you build or install new walk-ins?
No. We repair existing walk-in coolers and freezers and their components.
What does the visit cost?
The diagnostic is $129 + tax, waived when you proceed with the repair. Sealed-system work is quoted separately before it starts.
Related commercial repairs
Sources
- Ontario Regulation 493/17: Food Premises (sections 20 and 27)
- Government of Ontario: certificate to handle refrigerants
Sources checked 2026-10-21.
Equipment down?
Call with the equipment type and the symptom, or book online. You get a written finding and the price before any repair.
Pick a preferred day and arrival window online; we confirm by email once a technician is assigned.
- $129 + tax diagnosticAny commercial appliance, gas or electric; waived when you proceed with the repair
- Written finding on every visitCause, price and our repair-or-replace verdict
- 90-day warrantyOn parts replaced; labour depends on the work done