Commercial Refrigeration / Newmarket

Commercial Refrigeration Repair in Newmarket

Newmarket carries a dense strip of restaurants, grocery, bakeries, convenience retail and institutional food service along Yonge, Davis and Leslie, plus food service in the commercial areas around Harry Walker Parkway. CooperFix repairs commercial refrigeration in Newmarket: walk-in coolers and freezers, reach-ins, display cases, prep tables and the condensing units that serve them.

Refrigeration Work in Newmarket

Newmarket calls are split between self-contained food service refrigeration and walk-ins with remote condensing units on the roof or behind the building. Typical work:

• Walk-in cooler and walk-in freezer refrigeration repair: evaporators, condensing units and controls
• Remote and rooftop condensing unit repair
• Reach-in refrigerator and freezer repair
• Grocery, deli and bakery display case repair
• Beverage cooler repair

Symptoms That Bring a Newmarket Business to CooperFix

The list below is what gets described on the phone. The same description can come from four different faults, so the visit starts with instruments, not with a part.

• Ice forms on the back panel of a reach-in or across the air curtain of an open case.
• Energy use has climbed with no change in load or hours.
• Condensation on the glass, on the frame or dripping onto product.
• Water on the floor under the evaporator, or a drain line frozen solid.
• Fan noise from inside the box has changed pitch or comes and goes.
• A display case holds product above 4°C and the top shelf is warmer than the bottom.
• The unit cuts out on a safety, restarts after a while, and does it again the next day.
• Product closest to the evaporator is freezing while the rest of the room is correct.

What Actually Fails Behind Those Symptoms

What follows is the real fault list — not the symptom list. Each of these produces several of the complaints above, which is why measurement comes first.

• Anti-sweat and door heater circuits. When they fail, surfaces sweat, condensate collects, and the ice comes back a week after every defrost repair.
• Control and probe faults. A probe out of calibration or hanging in the wrong airstream makes a healthy system behave like a broken one, and makes a failing system look normal.
• Night curtains left off open cases. An uncovered case takes a humidity and heat load overnight that it was never sized for, and spends the morning trying to catch up.
• Evaporator fan motor failure. One seized fan out of four cuts capacity far more than a quarter, because the coil ices behind the dead fan and blocks the rest of the face area.
• Blocked or frozen condensate drain. No drain-line heater, a broken trap, or a line pitched the wrong way puts water on the floor and ice at the coil.
• Dirty evaporator coil. On commercial food service and retail refrigeration the evaporator picks up grease and dust as well, and a fouled evaporator reduces airflow exactly like ice does.
• Defrost interval set for the wrong load. A schedule that was right when the box was installed is wrong once door traffic or product volume changes. Ice returns whatever parts get replaced.
• Failed defrost. An open electric defrost element, a stuck contactor, a failed termination thermostat or a wrong defrost schedule leaves ice on the coil until airflow stops completely.
• Ambient conditions around the equipment. A condenser in an unventilated cupboard, next to a cook line or under a hot roof deck raises head pressure permanently and shortens everything downstream of it.

How the Diagnosis Runs On Site

The order below does not change. It exists so that the fault is found before anything is replaced, and so the findings can be compared on the next visit.

1. Check the drain: line, trap, pitch and heater, tested with water rather than assumed from a dry pan.
2. Verify the defrost circuit directly: element continuity or hot gas valve operation, termination sensor, contactor and interval.
3. Measure supply voltage on all legs, running amps against the nameplate, and check contactors, capacitors and overloads.
4. Compare this circuit against the others on the same system, because a plant can carry a failed circuit for weeks before a room shows it.
5. Take suction and discharge pressures, convert them to saturation temperature, and calculate superheat and subcooling.
6. Inspect the airside: condenser coil, evaporator coil, every fan individually, the defrost cycle, the drain line and the door seals.

Equipment CooperFix Works On in Newmarket

Commercial refrigeration only — coolers, freezers, refrigerated cases and the systems behind them.

• Walk-in coolers and walk-in freezers: evaporators, condensing units, controls and defrost systems
• Evaporator coils, evaporator fan motors, defrost heaters and defrost controls
• Refrigerated food warehousing and light industrial cold storage rooms
• Reach-in refrigerators and freezers, one, two and three door
• Air curtains, strip curtains and vestibule hardware on cold rooms
• Electronic controllers, temperature probes and alarm circuits
• Remote and self-contained condensing units, indoor, outdoor and rooftop
• Contactors, starters, overloads, capacitors and control panels
• Refrigerant leak location, repair, evacuation and recharge by weight
• Expansion valves, EPR and CPR valves, solenoid valves and pressure controls

What to Have Ready When You Call

The more of this you have, the shorter the visit. A missing serial number costs more time than anything else on the list.

• What the box is actually reading now and what it should be reading
• The refrigerant type, if it is shown on the data plate
• Where the equipment sits and whether a lift or roof access is needed to reach the condensing unit
• Whether product has already been moved and how much time the product has left
• Equipment type and brand, and the model and serial number from the data plate
• When it started and whether it has happened before

Emergency Refrigeration Calls in Newmarket

Newmarket emergency calls are received and assessed at any hour. The first thing established is how much time the product actually has — temperature, product type and how long the box has already been out of range. Only then is a window given, and it is a real one rather than a figure offered to end the phone call.

Where a repair cannot be completed the same day, the priority becomes protecting product: getting the box to hold, staging a temporary solution, or telling you plainly that product needs to be moved now rather than at midnight.

Service Area Around Newmarket

The Newmarket route also reaches:

• Aurora
• East Gwillimbury
• Holland Landing
• Bradford
• Sharon
• Queensville
• Richmond Hill

See the full service area for the complete list of cities and towns.

Frequently Asked Questions

What commercial refrigeration do you repair in Newmarket?

Walk-in coolers and freezers, reach-ins, display and deli cases, prep tables, undercounter units, shock freezers and the condensing units behind all of them.

Do you handle emergency calls at night?

Emergency calls are received and assessed 24 hours a day. Priority goes to boxes with product actually at risk, and you are told the realistic window rather than a fixed promise.

Why is there ice all over my walk-in evaporator?

Usually a failed defrost element, a stuck defrost contactor, a failed termination thermostat, a blocked drain or a door that is not sealing. The defrost circuit is tested directly rather than assumed.

Do you work on air conditioning?

No. Commercial refrigeration only — coolers, freezers, refrigerated cases and the systems behind them.

What should I have ready before the technician arrives?

Model and serial number from the data plate, the current box temperature and the target, when the problem started, and whether the unit is running, iced, tripping or alarming.

Related Commercial Refrigeration Pages

• Walk-In Cooler Repair
• Walk-In Freezer Repair
• Commercial Fridge Repair
• Commercial Freezer Repair
• All Commercial Refrigeration Services