Local ac repair for Sunnyvale homes & businesses
Your Sunnyvale appointment is handled by our Mountain View team, about 3 miles away, rated 5.0★ by 23 customers on Google. Many Peninsula and South Bay homes have built-in and premium appliances — Sub-Zero, Wolf, Thermador, Miele, Viking — which we service every day.
We diagnose first, explain the options, and give you the price up front — no surprises on the invoice.
Our HVAC technicians repair central AC systems, heat pumps and mini-splits — capacitors, contactors, fan motors, thermostats, drain lines and more.
Air conditioner problems we fix in Sunnyvale
- AC blowing warm air
- System won’t turn on
- Frozen coil or ice on lines
- Water leaking from the indoor unit
- Short cycling
- Loud noises from the outdoor unit
- High energy bills
Your nearest ZR MASTER location
ZR Master Appliance Repair & HVAC
505 Central Avenue, Unit E, Mountain View, CA 94043
(650) 943-3696 · Open 24 hours
About 3 miles from Sunnyvale
5.0 (23 Google reviews)
View service region505 Central Avenue, Unit E, Mountain View, CA 94043
(650) 943-3696 · Open 24 hours
About 3 miles from Sunnyvale
5.0 (23 Google reviews)
ZIP codes served in Sunnyvale: 94085, 94086, 94087, 94089
Frequently Asked Questions
Do you offer ac repair in Sunnyvale, CA?
Yes. ZR MASTER provides ac repair throughout Sunnyvale (ZIP codes 94085, 94086, 94087, 94089) and nearby communities. Call (650) 943-3696 or book online.
How soon can a technician come to Sunnyvale?
Same-day and next-day appointments are often available depending on the schedule. Booking online or calling early in the day gives you the best chance of a quick visit.
Why is my AC blowing warm air?
Common causes are a dirty filter, a tripped breaker, a failed capacitor or contactor, low refrigerant or a failing compressor.
How often should I change my AC filter?
Every 1–3 months during cooling season.
AC Repair in nearby cities
Other services in Sunnyvale
Refrigerator RepairFreezer RepairIce Maker RepairWashing Machine RepairDryer RepairDishwasher RepairOven RepairRange & Stove RepairCooktop RepairMicrowave RepairWine Cooler RepairGarbage Disposal RepairRange Hood RepairDryer Vent CleaningHeating & Furnace RepairCommercial Appliance RepairCommercial Refrigeration RepairIce Machine RepairAppliance Installation