A failing freezer can cost you hundreds of dollars in spoiled food. We diagnose thermostats, defrost components, fans, start relays, compressors and door seals, and we will tell you honestly if a repair makes sense.
Common Sub-Zero freezer problems
- Freezer not freezing or food thawing
- Heavy frost or ice build-up
- Freezer running constantly
- Door not sealing
- Unusual noises from fan or compressor
- Freezer tripping the breaker
Frequently Asked Questions
Do you repair Sub-Zero freezers?
Yes. ZR MASTER repairs Sub-Zero freezers across the Sacramento area and the Bay Area, including newer smart and inverter models.
Is it worth repairing my Sub-Zero freezer?
In most cases, yes — especially if it is less than 8–10 years old. We diagnose it and give you an upfront quote so you can decide.
Why does my freezer keep frosting up?
Usually a worn door gasket letting warm air in, a door left ajar, or a defrost system fault in frost-free models.
Can you fix a chest freezer?
Yes, we repair chest, upright and built-in freezers, including garage freezers.
Freezer Repair by city
AntelopeArden-ArcadeAthertonBelmontCampbellCarmichaelCitrus HeightsCupertinoDavisEast Palo AltoEl Dorado HillsElk GroveFair OaksFolsomFremontGold RiverGranite BayLincolnLoomisLos AltosLos Altos HillsLos GatosMenlo ParkMilpitasMountain ViewNewarkNorth HighlandsOrangevalePalo AltoRancho CordovaRedwood CityRio LindaRocklinRosevilleSacramentoSan CarlosSan JoseSan MateoSanta ClaraSaratogaSunnyvaleWest Sacramento