My freezer is cold but not freezing - what's usually wrong?

Cold but not cold enough usually means airflow or defrost rather than a failed compressor: an iced-over evaporator, a failed evaporator fan, or a temperature sensor reading a few degrees off.

There's a Service indicator on the display - is that serious?

It means the freezer has detected a fault and points the diagnostics at a specific circuit or sensor. Most alerts come from a sensor or a fan, both routine. Note the code before calling.

My freezer is panel-ready and built into the cabinets - can you still work on it?

Yes. Integrated and panel-ready columns are routine: access is planned before anything is moved so the cabinetry is not damaged, and panels come off and go back on during the same visit.

Sub-Zero Freezers

Get the BestSub-Zero FreezerRepair Help

Q: What happens to the food while you work?

We tell you on the first visit whether the compartment will hold. Many repairs are completed in one visit; if a part has to be ordered we say how long the freezer will keep, and only sealed-system work requires emptying the compartment.

Q: How long will my freezer be down?

Most Sub-Zero freezer repairs are finished within 3 to 5 days from the first visit, including diagnostics and parts ordering. Defrost and airflow work is often completed in a single visit.

Q: Is the diagnostic visit charged, and is it credited?

Yes, there is a diagnostic fee. We quote it on the phone before we book the visit, and it is fully credited toward the cost of the repair when you approve it. You receive a firm quote before any work begins.

Q: What warranty comes with the repair?

Yes. Every repair carries a written 6-month warranty on both parts and labor, extendable to a full year for a small additional fee.

Q: Are the parts genuine Sub-Zero?

Yes, we install only genuine OEM parts sourced through established Sub-Zero parts distributors, which protects factory performance and the appliance's service life.

Q: How and when do I pay?

We accept cards, checks, cash and Zelle. Payment is due after the repair is complete and tested; a deposit may be required for special-order parts.

A freezer that has drifted a few degrees looks perfectly normal from the outside, and the food is what tells you first. We check airflow, defrost and the sealed system before quoting a single part.

Same-day appointments in most metro areas
Diagnostic fee credited to the repair
6-month warranty on parts & labor
Genuine OEM parts, EPA-certified technicians
Most repairs finished in 3–5 days

4.9 / 5.0 based on 230+ reviews

Call (404) 341-4201 Phone line open 24/7, seven days a week

Coverage

Every Sub-Zero Freezer We Take On

Side-by-side built-ins, tall all-freezer columns, drawers and panel-ready installations. A model that is not on this list is still worth a call — the fault matters more than the badge.

Built-In Side-by-Side

600-series combinations with the freezer down one side.

Tall All-Freezer Columns

700-series columns, upper compartment over lower drawers.

Panel-Ready and Integrated

Hidden behind cabinet panels, where reaching them is half the job.

Under-Counter Freezer Drawers

24-inch drawers built into islands and butler’s pantries.

Freezers With Ice Makers

Compartments carrying an ice maker, water line and drain.

Dual-Compressor Units

Models where each half runs its own sealed system.

Older Sub-Zero Freezers

Units long out of warranty, where parts get sourced rather than pulled off the van.

See More Show Less

What We Fix

What Brings Us Out to a Sub-Zero Freezer

Name the one that sounds like yours when you call. On a freezer the symptom usually says whether it is airflow, defrost or the sealed system before anyone reaches your address.

Cold, but the Ice Cream Stays Soft

Cold but not cold enough is a different fault from dead. The evaporator, its fan, a sensor reading a few degrees off, or a sealed system quietly losing capacity.

Service Light or Alarm Showing

The unit noticed something before you did. Write the code down before you call: it usually takes an hour of diagnostics down to ten minutes.

Frost Building Up on the Back Wall

The classic defrost fault. The heater, thermostat or control stopped clearing the evaporator, and the ice slowly closes off the airflow that keeps the compartment cold.

Runs and Runs, Never Cycles Off

The freezer is fighting something: a condenser packed with dust, a door that stopped sealing, or refrigerant no longer where it belongs.

Water on the Floor, or Ice Underneath

A blocked drain line. Meltwater from every defrost cycle has nowhere to go, so it either freezes into a slab under the drawers or finds its way out of the door.

Ice Maker Quit When the Freezer Did

An ice maker that stops when the compartment warms is a symptom, not the fault. Temperature first — see the ice maker page.

Buzzing, Clicking or Rattling

Evaporator or condenser fan bearings, a blade catching ice, or a compressor clicking on and off because it cannot start.

Door Not Sealing, Frost on the Gasket

Hinge alignment, or a gasket that has gone hard. Warm air leaking in is what makes a perfectly healthy freezer run non-stop and frost over anyway.

Something Else

Tell us what it does and when it does it. Most of these we can name on the phone in a couple of minutes.

See More Show Less

Recent Repairs

Sub-Zero Freezer Jobs We Finished

Real freezers, real faults, real parts on the invoice. Every one of them started as a phone call that sounded a lot like yours.

Sub-Zero 680/S built-in side-by-side freezer holding temperature again

Freezer Side No Longer Cold Enough

Sub-Zero Freezer Model: Sub-Zero 680/S built-in refrigerator/freezer
Sub-Zero Issue: Freezer compartment would not hold a proper freezing temperature
Sub-Zero Diagnostics: Temperature controls, evaporator, condenser, fans, sensors, airflow and the sealed refrigeration system all checked to find why the compartment was no longer staying cold enough
Sub-Zero Service Performed: Freezer temperature diagnostics, evaporator and airflow inspection, condenser check, fan and sensor testing, refrigeration performance check, final temperature testing
Sub-Zero Repair Timeline: 4 days, including diagnostics

On a side-by-side one half can fall behind while the other looks perfectly normal, and that split does half the work for us: the supply is ruled out, and what is left is that compartment’s airflow, fan or evaporator.

Evaporator coil inside a Sub-Zero 700TFI-2V built-in freezer during cooling diagnostics

Not Cooling — Diagnosis at the Evaporator

Sub-Zero Freezer Model: Sub-Zero 700TFI-2V built-in freezer
Sub-Zero Issue: Freezer was not cooling properly and could not hold freezing temperatures
Sub-Zero Diagnostics: Evaporator coil, evaporator fan, temperature sensors, condenser, compressor, defrost components and the sealed system were checked in turn; the ice maker area was inspected to confirm the cooling fault was not carrying over into ice production
Sub-Zero Service Performed: Cooling system diagnostics, evaporator coil inspection, fan and airflow testing, defrost system check, sensor testing, compressor and sealed-system inspection, final performance testing
Sub-Zero Repair Timeline: 5 days, including diagnostics and parts ordering

That is the evaporator behind the rear panel — the part that actually makes the cold. When a freezer stops freezing the answer is usually right there: iced over, a fan no longer moving air across it, or a defrost circuit that quit.

Panel-ready Sub-Zero 700 Series freezer column built into cabinetry

Service Indicator on a Panel-Ready Column

Sub-Zero Freezer Model: Sub-Zero 700 Series built-in freezer column
Sub-Zero Issue: Freezer was not freezing properly and the Service indicator was showing
Sub-Zero Diagnostics: Service alert read first, then temperature controls, evaporator, condenser, fans, sensors, compressor operation, airflow and the sealed system checked to find what was triggering it
Sub-Zero Service Performed: Service indicator diagnostics, freezer temperature diagnostics, evaporator and condenser inspection, fan and airflow testing, sensor and control check, compressor and refrigeration testing, final freezing test
Sub-Zero Repair Timeline: 3 days, including diagnostics

Behind that cabinet panel stands a full-height freezer column. Panel-ready installations hide the appliance completely, so half the job is reaching it without marking the joinery — and the service code is what says it is worth opening at all.

See More Show Less

Book It

Describe What Your Sub-Zero Freezer Is Doing

Tell us the symptom on the phone — not freezing, frost on the back wall, a service light — or leave your number and a dispatcher calls back with a time window.

Call (404) 341-4201

Pricing

What This Costs, Before We Start

Nothing begins until you have approved a firm number. No hidden fees, no surprises on the invoice.

Firm quote You approve the price before any work starts. The diagnostic fee is named on the phone and credited toward the repair.

3–5 days Typical time from the first visit to a compartment holding temperature, parts ordering included.

6 months Written, covering parts and labor. Extendable to a full year for a small additional fee.

Get a Quote — (404) 341-4201

Other Appliances

The Rest of the Kitchen, Too

Questions

Sub-Zero Freezer Repair — Plain Answers

Cold but not freezing. What is that usually?

Cold but not cold enough almost always means airflow or defrost, not a dead compressor.

An iced-over evaporator stops air moving through at all
A failed evaporator fan does the same without the ice
A sensor a few degrees off makes it stop cooling early

What happens to the food while you work?

On the first visit we tell you whether the compartment will hold.

Many repairs are one visit and nothing has to be moved
If a part has to come in, we say how long it will keep
Sealed-system work is the one case where it has to be emptied

There is a Service light on. Is that bad?

It is the unit saying it noticed a fault, not a verdict on the appliance.

The alert points us at a specific circuit or sensor
Most alerts come from a sensor or a fan, both routine
Write the code down before you call — it shortens the visit

How long will my freezer be down?

Most repairs are finished 3–5 days after the first visit.

Diagnostics happen on the first visit, often the day you call
Parts ordering is what takes the time — most arrive within a few days
Defrost and airflow work is usually one visit

Mine is panel-ready, built into the cabinets. Still fine?

Yes. Integrated columns are routine work for us.

We plan the access first, so the joinery is not marked
Most of the work happens through the front and the rear panel
Panels come off and go back on the same visit

Is the diagnostic visit charged, and is it credited?

Yes to both. There is a diagnostic fee, and it comes off the cost of the repair.

You hear the exact fee before the visit is booked
Credited in full when you approve the repair
A firm quote comes before any work begins

What warranty comes with the repair?

A written 6-month warranty on every repair we do.

Parts and labor both covered
Extendable to a full year for a small additional fee
If the same fault returns, you call us and we come back

Are the parts genuine Sub-Zero?

Only genuine OEM parts go into your freezer.

Keeps factory performance and safe operation intact
Keeps the service life you paid for
Sourced through established Sub-Zero distributors

How and when do I pay?

Cards, checks, cash and Zelle, and only once the work is done.

Nothing is charged upfront to book
Special-order parts may need a deposit
You pay after the repair is finished and tested

Service Areas

Locations We Serve

We reach Sub-Zero freezers across these metro areas, with same-day appointments in most of them for calls that come in before noon.

Atlanta Georgia Miami Florida Orlando Florida Tampa Florida Jacksonville Florida Philadelphia Pennsylvania New York New York Denver Colorado Chicago Illinois Houston Texas San Francisco California Chattanooga Tennessee

See All 12 MetrosShow Less

Not on the list? Call (404) 341-4201 and we’ll tell you straight whether we reach you.

Call (404) 341-4201