Sub-Zero · Chicago, IL
Wine Storage Repair
Wine columns and undercounter storage where one zone will not hold — every compartment read at the shelf with a probe before the control board is even discussed.
How it gets described on the phone
- Upper zone holding while the lower one climbs through the afternoon
- Condensation forming on the inside of the glass door
- Both zones showing the same number no matter how they are set
- The unit cycling far more often than it used to in the same spot
- A door that no longer pulls itself shut over the last inch
What gets tested on the visit
- Each zone read at the shelf with a probe left in place through the rest of the visit
- Damper, zone sensors and the board circuit that drives them, tested against those readings
- Door seal compression and the anti-condensation heater behind a glass door
- Condenser airflow where the unit is closed into cabinetry with no clearance
- Sealed system under gauges when a zone only runs warm late in the day
- Rack loading and the air path around it, which changes what the sensor sees
The panel is not evidence. A probe goes onto a shelf in each compartment and stays there while the rest of the diagnosis happens, because a control that has lost the ability to read a zone will go on displaying a perfectly plausible number for it. Damper, sensors and door heater are then judged against the probe rather than against the display — which is also how a "both zones show the same number" complaint gets settled in one visit.
What it costs
Ranges, before anyone has seen your cabinet
These are the bands this shop works to. The figure you are given on the day is one number covering parts and labour, agreed before a part is ordered — and it does not move afterwards.
| Repair | Typical range |
|---|---|
| Door gasket or seal replacement | $290 – $630 |
| Evaporator or condenser fan motor | $330 – $650 |
| Defrost heater, thermostat or sensor | $260 – $630 |
| Ice maker, water valve or supply line | $280 – $740 |
| Electronic control board | $440 – $980 |
| Compressor or sealed-system repair | $1,440 – $3,160 |
Flat $89 service call covering the visit and full diagnosis, credited against the repair once you approve it.
For scale: a comparable built-in replacement, before installation and cabinetry work runs $11,190 to $22,180. That gap is why a repair is the right answer on most of this stock, and it is also why you will be told plainly on the day it is not.
Reviews
What the callback sounded like
Both zones had converged on one temperature and the display would not hold a change. He replaced the control, transferred the settings, and left it logging for a day before he confirmed the fix.
Casimir B. · Lakeview
The unit sits against an outside wall that gets genuinely cold in January, and it had started overcooling. He explained the ambient limits, moved the sensor placement, and it has been steady since.
Ignacio W. · Lincoln Square
It had been humming loudly enough to hear from the next room. Compressor mounts had perished with age. He replaced them, checked the fan clearance, and the kitchen is quiet again in the evenings.
Lorraine H. · Roscoe Village
Booking
A cabinet that is climbing does not wait for Monday
Dispatch is answered around the clock. An overnight call is logged with the fault, the model and the address, and goes to the front of the next working window rather than into the morning queue.
- The line is answered by a person, not a machine
- On site 8:00 am – 8:00 pm, seven days
- Overnight logs are slotted first, not re-queued