Sub-Zero Freezer Not Cooling in St. Johns, FL
Unit runs but temperature stays warm — usually a compressor, condenser, or refrigerant issue. We fix this on Sub-Zero freezers across St. Johns. Most calls get a same-day slot — our vans cover this area daily.
Why your Sub-Zero freezer is not cooling
The first things owners spot on a not cooling Sub-Zero freezer: unit runs but temperature stays warm — usually a compressor, condenser, or refrigerant issue. Nine times out of ten it comes down to faulty temperature control board. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- Defrost fault icing over the evaporator
- Dirty or blocked condenser coils
- Worn door gaskets bleeding cold air
- Refrigerant leak in the sealed system
- A bad evaporator fan motor
Known Sub-Zero freezer weak points
- Dual compressor / sealed-system failures
- Evaporator coil frost blocking airflow
- Intermittent ice maker failures
- Control panel/board faults
Quick check — and when it's not DIY
Do this first — it takes two minutes: listen for the compressor running at all, and make sure nothing is blocking airflow around the back or bottom vents. If it's still acting up after that, the cause is almost always a failed compressor or a refrigerant leak in the sealed system, and handling refrigerant legally requires an experienced technician — which is where DIY stops.
How we fix it
We trace the not cooling on your Sub-Zero freezer to its source instead of throwing parts at it. Genuine Sub-Zero OEM parts are available through authorized distributors, and sealed-system refrigerant work must be performed by an experienced technician. Most not cooling jobs finish same-day, at a flat price, under our warranty.
Independent service experienced with Sub-Zero; factory-certified service is recommended for these luxury units, especially sealed-system refrigeration.
What St. Johns homeowners say
on the First Coast
“Called late at night and a tech was here by mid-morning to look at the Sub-Zero freezer. Clean, on-time, and they took the old part with them. Would call again.”
“Two other shops couldn't fit us in — these guys fixed the Sub-Zero freezer the same day. They clearly knew Sub-Zero inside out and had the part on the truck.”
“The Sub-Zero freezer broke right before the weekend and they still came out same-day. Flat price agreed up front, and they stood behind the labour warranty.”
Other Sub-Zero freezer problems we fix
Frequently asked questions
How much does a Sub-Zero freezer that is not cooling cost?
Typical costs for a Sub-Zero freezer that is not cooling land between $150–$552, parts and labour included. The $89 call-out is applied to the job and the quote is flat — no meter running.
Do you warranty your repairs?
You're covered by our 1-year labour warranty and 6-month parts warranty. Should the same fault return inside that period, the follow-up visit is free.
Is there a fee for the diagnostic?
The $89 diagnostic covers a full on-site inspection and is applied to your repair total. There are no hidden trip charges or surcharges on top of your quote.
Do you offer same-day service in St. Johns?
Yes. We cover St. Johns daily and offer same-day and emergency service. Booking earlier in the day gives the best chance of an afternoon slot.
Get same-day service in St. Johns.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.