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Independent · Multi-brand

Northeast Florida

Mon–Fri 8–6 · Sat 9–4

Independent service

Sub-Zero refrigeration repair

Sub-Zero builds refrigeration and nothing else. In 75 percent humidity that narrow focus is exactly where the failures concentrate.

A brush and vacuum hose on the dust-loaded condenser coil behind a removed grille - Sub-Zero refrigeration repair

Refrigeration only, which changes how we approach it

Sub-Zero makes refrigeration. Built-in side-by-sides and French doors, integrated columns, undercounter drawers, wine storage and standalone ice makers. It does not make ovens, cooktops or dishwashers. When a homeowner tells us “the Sub-Zero is down,” the fault is always somewhere in a refrigeration circuit, and that narrows the diagnosis considerably before we arrive.

The design decision that matters most here is dual refrigeration: the fresh-food side and the freezer side run on separate sealed systems with their own evaporators. It is the reason lettuce keeps for a fortnight in a house where the indoor dew point sits in the sixties for five months a year. It also means a unit can be half-broken. A freezer holding at zero while the refrigerator drifts to 50 degrees is not a contradiction — it is a single-circuit failure, and it tells us which half to open.

What Northeast Florida does to these units

Three regional conditions account for most of the Sub-Zero work we take.

Condenser fouling. A built-in Sub-Zero pulls its condenser air through a grille at the top of the unit, inside a cabinet run, in a house that runs air conditioning nine or ten months a year. Air conditioning means recirculated indoor air, and recirculated indoor air carries lint, dust and pet hair straight onto the condenser fins. A blanketed condenser raises head pressure, the compressor runs longer for less cooling, and the first symptom the homeowner notices is that the ice maker has slowed down. We clean condensers on roughly a six-month cycle here rather than the annual cycle that works in a dry climate.

Humidity at the door seam. At 75 percent mean relative humidity, the gasket is doing real work. When a magnetic gasket takes a set — flattened at the hinge side, crushed at the corners — warm room air leaks in continuously. You get condensation on the liner, mould in the folds of the gasket itself, and a defrost system that can never get ahead of the ice load. Panel-ready installations hide this well; the customer sees a wet floor or smells the gasket before they see a temperature change.

Sealed cabinetry and the dual-system layout. A built-in Sub-Zero is a fitted piece of joinery as much as an appliance. It sits in a specific opening, carries a custom panel and hardware weight on its hinges, and on the dual-refrigeration models runs two separate sealed systems in one cabinet — which is why one compartment can drift off temperature while the other holds perfectly. That symptom is diagnostic in itself, and it is also why a fault here is never assumed to affect the whole unit until it has been measured on both circuits.

Storm damage arrives late

Sub-Zero refrigeration does not usually fail during an outage. It fails when the power comes back. Helene took 113,000 JEA customers off the grid in September 2024, and the calls that followed were not about warm food — they were about units that would not restart, interfaces that lit but would not respond, and compressors that hummed and cut out. A restoration surge is a short, sharp voltage event that electronics take badly.

If a named storm is inbound and you have a built-in Sub-Zero, the useful move is to open the breaker or pull the plug once the power is already out, and restore it manually twenty minutes after the neighbourhood comes back up. That single habit prevents more control-board replacements than any surge strip.

How we work on them

What we bring is EPA Section 608 certification, which federal law requires before anyone opens a sealed refrigerant system, and genuine OEM parts on every job.

A visit starts with an $80 flat diagnostic, credited toward the repair when you approve the work. You get the findings and a written estimate before a part is ordered or a panel comes off. Labor carries 90 days, parts carry 365.

Where the line is drawn

Kitchen appliances. That is the whole trade.

Every call we take in Northeast Florida is a built-in kitchen appliance: built-in refrigeration , ice machines , dishwashers , wall ovens and ranges and cooktops and ventilation . Refrigeration, ice, dishwashing, baking, cooking and the hood over it — six things a kitchen does, and the machines that do them.

We do not work on heating, air conditioning, ductwork or heat pumps. That is a separate trade with a separate licence, and no amount of overlap in the vocabulary changes it: a condenser in a refrigerator and a condenser in an air handler are not the same machine, and we only open one of them. We do not take laundry calls either. If the fault is in your furnace, your air handler or the ducts, a licensed HVAC contractor is who you want — we would rather say that now than at your kitchen door.

What it costs

What does a Sub-Zero repair cost?

One fee to find out: $80, flat, and it comes off the bill the moment you say go ahead. Past that, Sub-Zero repair work across this coast sits between $240 and $2,520, and where inside that band a job lands is decided by the part that failed rather than by the badge on the door.

The same table applies whichever badge is on the door — what moves the figure is which part failed, not whose name is on it.

Parts and labor by repair, Sub-Zero repair. A band, not a price tag: it is where work of this kind lands in this market, and your own figure goes in writing once the appliance has been measured.
Repair Parts and labor
Diagnostic visit, flat $80
Compressor or sealed-system repair $930–$2,520
Ice maker, water valve or supply line $240–$670
Evaporator or condenser fan motor $280–$600
Defrost heater, thermostat or sensor $240–$610

You get a written estimate before any part is ordered or any labor begins. Nothing proceeds without your approval.

Symptom to figure

What people search for when a Sub-Zero stops working

Typed the way it is typed, priced from the table above. None of these phrases implies a Sub-Zero appointment of any kind — they are the faults we are called out to on this equipment.

Every figure below is a row of the table on this page, narrowed to the repair the symptom leads to. The $80 diagnostic decides which row you are actually in, and it comes off the bill once you approve the work.

What the fault is called on the phone, and where the repair behind it lands. A band, not a quote.
What you would call itThe repair it leads toParts and labor
Sub-Zero ice maker not making iceIce maker, water valve or supply line$240–$670
Sub-Zero not cooling even though it is runningCompressor or sealed-system repair$930–$2,520
Frost building on the back wall of a Sub-ZeroDefrost heater, thermostat or sensor$240–$610
Sub-Zero condenser fan running loudEvaporator or condenser fan motor$280–$600
Asked about Sub-Zero

What does a Sub-Zero repair cost here?

$80 to come out and find the fault, credited back the moment the repair is approved. The work itself lands between $240 and $2,520 on this kind of equipment — $930–$2,520 for compressor or sealed-system repair, $240–$610 for defrost heater, thermostat or sensor — and which of those it turns out to be is the thing the visit settles. Your own number goes in writing before a part is ordered.

Are you affiliated with Sub-Zero?

No. We are an independent repair company: not affiliated with, authorized by, or endorsed by Sub-Zero or any other manufacturer named on this site. Naming a brand identifies an appliance we repair and nothing more. EPA Section 608 certified technicians run every sealed-system job we take.

What goes wrong with Sub-Zero equipment in this climate?

Sub-Zero builds refrigeration and nothing else. In 75 percent humidity that narrow focus is exactly where the failures concentrate. The calls that come in most are condenser packed with lint and pet hair behind the upper grille, and door gasket taking a set, then sweating and growing mould along the seam.

Which counties do you cover?

Duval County, St. Johns County, Clay County, Nassau County. Roughly a 40-mile working radius from the Jacksonville core. $80 flat diagnostic fee, credited toward the repair when you approve the work.

Seasonal reading
Customer feedback

Sub-Zero calls that came in recently

Rated 4.6 out of 5 across 101 customer reviews. Every entry below is one appointment, written up afterwards by the householder whose kitchen it happened in.

Every one of these was a visit to this make of appliance.

  • The cabinet would not restart after a long outage. He checked the supply before blaming the appliance, found the board damaged and fitted the right revision for the serial rather than the one that was easy to get.

    Peregrine M.2026-02-07

  • An old Riverside kitchen where the refrigeration had been fitted into an opening that predates it. He measured the airflow around the cabinet first, then cleaned the condenser and replaced the fan that had seized.

    Ottilie H.2026-05-25

  • Salt had chewed the hinge hardware on the freezer drawer and it no longer pulled itself shut, so the cabinet sat warm all afternoon. He fitted new hinge parts and a gasket, then set the closer until the drawer seats on its own.

    Marisol T.2026-08-12

More of the 101 published entries

Book a diagnostic

You get a written estimate before any part is ordered or any labor begins. Nothing proceeds without your approval.