Sub-Zero freezer repairacross South Florida.
Integrated freezer columns like the IC-30FI and IC-24FI, the BI-36F all-freezer, undercounter freezer drawers and the freezer side of BI-36U and side-by-side built-ins. Freezer too warm, frost on the back wall, ice maker stopped, a drawer that won't close tight. $59 diagnostic, free with the repair, same-day dispatch across Miami-Dade, Broward and Palm Beach.
- 19Full-time techniciansNot subcontractors
- 4.79From 1,217 verified reviewsGoogle, Yelp & other platforms
- $59Diagnostic visitCredited to your repair
- 70Cities coveredMiami-Dade · Broward · Palm Beach
- PriorityMost visits booked <1 hourOpen 7 days · 7 AM – 9 PM
- 10-yrParts warranty up to 10 years90-day labor · Licensed & insured
Most warm freezers are an airflow problem
A Sub-Zero freezer that's losing temperature rarely has a dead compressor. In South Florida the list goes the other way: a condenser packed with dust and humid air, an evaporator fan that slowed down, or a defrost circuit that stopped working, so frost grows over the coil until no air moves. The freezer creeps from 0 to 15 degrees over a few days while the compressor keeps running.
Columns and built-ins add a second issue: the door. An integrated IC-30FI carries a custom panel, and when the cabinetry settles or the hinge drifts, the gasket stops sealing on one corner. Warm, wet air gets in, the coil frosts faster, and the defrost system can't keep up. You see frost on packages near the door and an ice maker that freezes solid. On older BI and 600-series units the gasket itself is often just worn out.
Measure the coil, the fan and the seal before the sealed system
We clean and check the condenser first, since in Miami that alone can bring a freezer back. Then we look at the evaporator: frost pattern, fan speed, defrost heater and terminator readings. Door seal and hinge alignment get checked under the weight of the panel. Only after all of that do we put gauges on the sealed system. We hold EPA-608 Universal certification, so sealed-system work stays in-house when it's really needed.
Fan motors, defrost parts, gaskets and the 4204490 water filter ride on the trucks. Control boards and ice maker modules for some generations come through Sub-Zero distribution in a few business days, and we tell you at the quote. The $59 diagnostic is free when you approve the repair, and every repair carries the 90-day parts and labor warranty.
Sub-Zero freezer repair — failures we see.
Documented from the platform, not a brochure.
Frost has choked the evaporator because the defrost heater or terminator failed. You hear the fans, the compressor runs, and the temperature still climbs. Defrost parts, then a full manual defrost.
A dirty condenser. In coastal and dusty installs this is the first thing we clean, and it often fixes the call by itself.
The door isn't sealing. Worn gasket, or a panel-ready door that drifted out of alignment. Gasket or hinge adjustment.
A fill valve that leaks a little and freezes the fill tube, a frozen tube from a poor seal, or the ice maker module itself. Most are same-visit.
Ice on the fan blade from a defrost fault, or a worn fan motor. The motor is a truck part.
Ice under the drawer, a bent slide, or packages over the fill line. On undercounter drawers the slides and gaskets wear first.
Door ajar, high temperature after an outage, or a sensor reading out of range. We read the service menu before replacing anything.
A plugged defrost drain freezing and overflowing, or a leak at the ice maker water line. We clear the drain and check the line.
Typical Sub-Zero freezer repair costs.
| Repair | Typical range | Notes |
|---|---|---|
| Diagnostic visit | $59 | Free with repair |
| Condenser cleaning | Quoted after diagnosis | Often the whole fix in Miami |
| Defrost heater, terminator or full defrost | Quoted after diagnosis | |
| Evaporator or condenser fan motor | Quoted after diagnosis | On the truck |
| Door gasket or hinge alignment | Quoted after diagnosis | |
| Ice maker module or fill valve | Quoted after diagnosis | |
| Sealed-system work | Quoted after diagnosis | Only after airflow and defrost test good |
You get a written quote after the $59 diagnostic, and the diagnostic is free if you approve the repair. 90-day parts and labor warranty.
Specialists for Sub-Zero at Berne.
The technicians on the Berne roster who carry Sub-Zero factory training, model-specific parts on the truck, and the diagnostic habit Sub-Zero platforms reward.
More Sub-Zero resources
Recent work from our technicians
Photos and notes from recent service calls by our technicians.
Sub-Zero refrigerator and bar fridge ice makers in Coral Gables
Coral Gables · September 2026 · Cristian G.
Two Sub-Zero units in one Coral Gables home: a new door gasket, water valve and water line, two ice maker assemblies and a deep coil clean.
- Replaced door gasket
- Replaced water valve
Bosch cooktop glass, Sub-Zero service and hood cleaning in Miami
Miami · May 2026 · Refat B.
Three units in one Miami kitchen: a cracked Bosch cooktop glass replaced, a Sub-Zero refrigerator serviced with new filters, and a Bosch hood cleaned.
- Replaced glass cooktop (oem)
- Part replacement
Liebherr refrigerator beeping and warm freezer in Coral Springs
Coral Springs · August 2026 · Refat B.
A Liebherr HC 2062 in Coral Springs beeped nonstop, the freezer was warming and the light misbehaved. Coils, drain and sensor wiring were serviced.
- Condenser coil and drain system cleaning
- Drawer sensor wiring inspection and rewiring
Monogram built-in refrigerator noise repair in Plantation
Plantation · May 2026 · Evgenii K.
A Monogram ZISS480NNBSS built-in refrigerator in Plantation made a loud, strained noise. New evaporator fan blade and thermostat over two visits.
- Replaced evaporator fan blade
- Replaced thermostat
GE Monogram built-in refrigerator sealed system work in Pinecrest
Pinecrest · August 2026 · Anthony P.
A GE Monogram built-in refrigerator in Pinecrest kept icing up on the lower back wall and was not cooling properly. Sealed system work and an R134a recharge.
- Seal system inspection
- Defrosting system
Kenmore refrigerator ice maker replacement in North Fort Myers
North Fort Myers · February 2026
Our technician replaced the leaking ice maker on a Kenmore refrigerator in North Fort Myers with an OEM assembly and did some rewiring. Job total $361.
- Replaced ice maker assembly (oem)
- Rewiring
Sub-Zero freezer repair — questions we get
My Sub-Zero freezer is at 15 degrees. Is the compressor gone?
Probably not. The usual causes are a dirty condenser, a frost-blocked evaporator from a defrost failure, or a fan. We check all three at the $59 diagnostic before anyone talks about the sealed system.
Why is there frost on everything near the door?
Warm air is getting in. On integrated columns the custom panel can pull the door out of line; on older units the gasket wears out. Both are fixable without replacing the freezer.
Do you work on Sub-Zero freezer columns and freezer drawers?
Yes. IC-30FI, IC-24FI and IC-18FI columns, the BI-36F, undercounter freezer drawers, and the freezer side of BI-36U and side-by-side built-ins.
Are you an authorized Sub-Zero service center?
No. Berne is an independent service company, not affiliated with Sub-Zero Group. Under factory warranty, use factory service. Out of warranty, we're usually faster to schedule.
Request a callback — or just call us.
Open 7 days. Priority scheduling — most visits booked within the hour.
- Phone(754) 345-4515
- HoursOpen 7 days · 7 AM – 9 PM
- Service areaMiami-Dade · Broward · Palm Beach
High-end appliance down? $59 brings a factory-trained specialist to your door.
Call, book online, or text us — priority scheduling for Sub-Zero, Wolf, Miele, Thermador and Viking.