Modern kitchen with Sub-Zero refrigerator

Factory-Certified Service for Your LOL KEK

Expert Sub-Zero repair in Walnut Creek and Contra Costa County. Same-day diagnostics available.

Why Choose Sub-Zero Tech?

We specialize exclusively in high-end refrigeration systems to ensure the highest quality repair.

Same-Day Availability

We prioritize cooling issues and leaks to get your appliance running fast.

Certified Technicians

Our team is specifically trained on Sub-Zero's complex sealed systems and electronics.

Warranty Included

All repairs come with a service warranty for your peace of mind.

Genuine Parts

We use OEM Sub-Zero parts for reliability and longevity.

Local Sub-Zero Specialists

Sub-Zero Tech is your local specialist for premium refrigeration repair in Walnut Creek, CA. Located at 1225 Alpine Rd, we serve the entire Contra Costa County area with a 25-mile service radius.

Unlike general appliance repair companies, we focus specifically on high-end refrigeration. Whether you have a classic built-in unit or the latest integrated model, our technicians have the expertise to diagnose issues accurately—from compressor failures to minor sensor glitches.

Call us today for an appointment
Sub-Zero Tech Location in Walnut Creek

Our Repair Services

Comprehensive diagnostics and repair for your entire kitchen suite.

Refrigerator Repair

Comprehensive repair for all Sub-Zero fridge models, addressing temperature fluctuations, door seal leaks, and control board errors.

Freezer Maintenance

Expert service for built-in and drawer freezers. We fix frost buildup, defrost heater failures, and cooling inconsistencies.

Wine Cooler & Ice Maker Service

Specialized care for wine storage units and ice machines. We resolve temperature zoning issues and ice production failures.

Sealed System Repair

Advanced diagnostics and repair for compressors, evaporators, and condensers. We handle the complex jobs many other services won't touch.

What Our Clients Say

"I was so relieved when Sub-Zero Tech arrived the same day I called. My freezer was warming up fast. The technician was incredibly professional and diagnosed the issue quickly."

- Sarah M., Walnut Creek

"Finding a reliable service for older models is hard. They had the parts for my 15-year-old built-in fridge in their truck. Amazing service and very knowledgeable."

- James R., Alamo

"They fixed my wine cooler just before a big party. I can't thank them enough for the prompt and clean work. Highly recommended for any Sub-Zero appliance."

- Elena T., Lafayette

Frequently Asked Questions

What is the typical cost of Sub-Zero appliance repair?

Do you offer same-day repair?

Can you service older Sub-Zero fridge models?

Do you use genuine Sub-Zero replacement parts?