
Sub-Zero Appliance Repair in Cumming, GA
- 90-Day Warranty
- Serving Since 2024
- Same-Day Service
Mon–Fri 8am–6pm · Sat, Sun Closed (EDT)
Service call is FREE with any repair$0 diagnostic when we do the work.
Appliances we repair
Experienced technicians serving Alpharetta, GA and nearby areas.
Brands We Service:
Brands serviced: Sub-Zero, Wolf, GE Profile, Whirlpool, Samsung, LG, Frigidaire, Maytag, KitchenAid, Kenmore, Asko, GE, Electrolux, Speed Queen, Jenn-Air, Amana, Champion, Viking, Thermador, Bosch, Miele, Gaggenau, Dacor, Cove.
How it works
Three steps from your call to a working appliance.
- 1
Book your appointment
Call or book online and pick an arrival window. Same-day slots are often available.
- 2
Professional diagnosis
A technician arrives, finds the fault and quotes the repair up front. The diagnostic fee is waived when you approve the work.
- 3
Repaired, usually same visit
Most repairs finish on the first visit with parts from the van, backed by a 90-day warranty.
A.M.S. Appliance Repair provides expert independent service for Sub-Zero appliances in Cumming, GA. Our experienced technicians repair Sub-Zero refrigerators, freezers, and ice makers. If your Sub-Zero appliance is not cooling properly or is making unusual noises, it may be time to call for professional service. We offer a transparent pricing structure where the service call is free when you approve the repair, ensuring you know the cost before any work begins.
Updated
Our trucks & technicians
Types we service
Coverage across every common variation of this appliance category.
- Refrigerators
- Freezers
- Ice Makers
- Built-in refrigerators
- Undercounter refrigerators
- Wine storage
- Beverage centers
Common Sub-Zero appliance repair symptoms
If you're noticing any of these, it's time for a diagnostic.
Not cooling
The most common symptom is a refrigerator or freezer failing to maintain its set temperature. This can manifest as food spoiling quickly or ice cream melting in the freezer. Both the fresh food and freezer compartments may be affected, or one may be worse than the other.
Unusual noises
Strange sounds such as buzzing, clicking, humming, or rattling coming from your Sub-Zero appliance can indicate an issue. These noises might be constant or intermittent, and their loudness can vary. Pay attention to when and where the sounds originate.
Ice maker not producing ice
If your Sub-Zero ice maker has stopped producing ice, or is producing very little ice, it points to a potential problem. You might also notice that the ice it does produce is small, misshapen, or has an off-taste. The water line or internal components could be at fault.
Appliance running constantly
Your Sub-Zero unit may run for much longer periods than usual, failing to cycle off. This constant operation can lead to increased energy consumption and put a strain on the components. The interior temperature may still seem adequate, but the system is working overtime.
Likely causes
What we typically find when we diagnose these symptoms.
Faulty thermostat or thermistor
The thermistor is a sensor that monitors the internal temperature. If it fails or provides inaccurate readings, the appliance may not cool correctly, or it might run constantly. A malfunctioning thermostat can also lead to improper temperature regulation within the compartments.
Condenser fan or compressor issues
The condenser fan circulates air over the condenser coils to dissipate heat. If it fails, the unit can overheat and stop cooling effectively. A faulty compressor, the heart of the cooling system, will prevent the appliance from chilling altogether, often accompanied by unusual noises.
Defrost system malfunction
Sub-Zero appliances have an automatic defrost system to prevent excessive frost buildup. If the defrost heater, timer, or thermostat fails, frost can accumulate on the evaporator coils, blocking airflow and reducing cooling efficiency. This is a common cause for 'not cooling' symptoms.
Blocked air vents or coils
Obstructions in air vents inside the appliance, or dust accumulation on the condenser coils, can impede proper air circulation and heat exchange. This forces the system to work harder, leading to reduced cooling performance and potential component strain.
Water inlet valve failure
For ice makers, a common issue is a faulty water inlet valve that fails to supply water to the unit. This can be due to mineral buildup or electrical failure of the valve. The ice mold may remain empty, or only partially fill, resulting in no ice production.
Quick checks before you call
Safe checks that may save you a service call. Never open the appliance — visual + power checks only.
- 1
Check power supply
Ensure your Sub-Zero appliance is securely plugged into a functioning electrical outlet. If the unit has a power cord, verify it's not damaged. Sometimes, a simple loose connection can be the cause of apparent malfunctions.
- 2
Verify circuit breaker
Locate your home's electrical panel and check the circuit breaker dedicated to your Sub-Zero appliance. If it has tripped, reset it by flipping it firmly to the 'off' position and then back to 'on'. If it trips again immediately, do not attempt to reset it further.
- 3
Listen for unusual sounds
Pay attention to any new or unusual noises your appliance is making, such as buzzing, clicking, or grinding. Note the type of sound and when it occurs, as this information can be helpful for the technician when diagnosing the problem.
- 4
Check interior lights
Confirm that the interior lights are illuminating when the appliance doors are opened. If the lights are not working, it could indicate a power issue or a problem with the internal lighting system that might also affect cooling.
- 5
Ensure doors are sealing properly
Check that the appliance doors are closing and sealing completely. Obstructions, warped gaskets, or misaligned doors can prevent a proper seal, leading to temperature fluctuations and increased energy consumption. Clear any items preventing the doors from closing fully.
Pricing
What affects your final bill.
Diagnostic
The service call is free when you approve the repair
The final cost of your appliance repair depends on the specific diagnosis and the parts needed. After our technician identifies the issue, you will be provided with a clear quote before any work begins. This ensures transparency and allows you to approve the repair with confidence.
Sub-Zero Appliances We Repair in Cumming
Common Sub-Zero Issues We Fix in Cumming
Sub-Zero Repair Pricing in Cumming
transparent service-call pricing (applied to repair). We provide a written estimate before starting any repair. Workmanship guarantee: 90-day warranty on parts and labor.. Parts are matched to your Sub-Zero model before we order them.
Specialty Sub-Zero Service in Cumming
Premium SpecialtyZIP Codes We Serve in Cumming
Our technicians cover the following ZIP codes in Cumming, GA. Don't see yours? Call or book — we may still serve you.
Why Choose A.M.S. Appliance Repair?
What Alpharetta, GA says about us
5.0based on 5 Google reviews
Minh Huain the last week
The team was very responsive and friendly. They did a thorough job fixing my Scotsman ice machine. Their pricing is very competitive. I would go back to them again.
Alison MKa week ago
Alex came the same afternoon and had my oven repaired in short order. I highly recommend his services.
Cassandra Connorsa week ago
I needed my disposal repaired. Ivan came out the same day and fixed without having to replace. It was quick and easy and saved me $300. Thank you! Great service.
Hours of Operation(all times EDT)
Serving Alpharetta, GA and nearby
Request service from A.M.S. Appliance Repair
Tell us what's wrong and pick a time — we'll confirm your appointment fast.
Service call $87 — waived when you proceed with the repair
Frequently Asked Questions
How soon can I get a technician in Cumming?
A.M.S. Appliance Repair offers same-day service for Sub-Zero appliances in Cumming, aiming to get a technician to your home as quickly as possible to diagnose and resolve the problem.
How does the service call fee work?
The service call is free when you approve the repair. If you decide not to proceed with the repair after the diagnosis, a standard diagnostic fee will apply. The final cost depends on the specific appliance and the nature of the issue, and you will be quoted before any work commences.
Is Sub-Zero repair usually worth it?
Sub-Zero appliances are known for their quality and longevity. In most cases, repairing a malfunctioning Sub-Zero refrigerator, freezer, or ice maker is a cost-effective solution compared to replacement. Our technicians aim to restore your appliance to optimal working condition.
What can I check before calling for service?
Before scheduling service for your Sub-Zero appliance, ensure it is properly plugged into a working outlet. Check your home's circuit breaker to confirm the appliance has power. Also, listen for any unusual noises. These simple checks can sometimes help identify minor issues.
Does A.M.S. Appliance Repair service Sub-Zero?
Yes, A.M.S. Appliance Repair is an independent service provider that repairs Sub-Zero appliances, including refrigerators, freezers, and ice makers. Our technicians have the expertise to handle various Sub-Zero models and common issues.
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We are an independent appliance repair service and are not affiliated with, authorized by, sponsored by, or endorsed by Sub-Zero or its parent manufacturer.Sub-Zero and all related trademarks are the property of their respective owners. Use of brand names is for informational and identification purposes only and does not imply any endorsement.








