How much does AC repair cost in Dublin?

AC repair in the Dublin area typically costs $150–$650 depending on the issue. Common fixes like refrigerant recharge run $200–$400, while compressor replacement can be $800–$2,000. We provide upfront pricing before any work begins.

How quickly can you come for an AC emergency?

We offer same-day and emergency AC repair across Dublin, CA. During peak summer months, our typical response time is 2–4 hours for emergency calls in the Dublin metro area.

How much does a new AC cost in Dublin?

A new central AC system in the Dublin area typically costs $4,500–$15,000 installed, depending on home size, efficiency rating, and brand. Heat pump systems eligible for SMUD rebates can reduce your out-of-pocket cost by $1,500–$3,000.

What SMUD rebates are available for AC replacement?

SMUD currently offers up to $3,000 in rebates for qualifying heat pump installations. Additional federal tax credits of up to $2,000 may also apply for high-efficiency systems. We handle all rebate paperwork for you.

Are heat pumps worth it in Dublin?

Heat pumps are excellent for Dublin's climate. They provide efficient cooling in summer and heating in winter, and with SMUD rebates up to $3,000 plus federal tax credits up to $2,000, the payback period is typically 5–8 years.

How much do heat pumps save on energy bills?

Heat pumps can reduce heating costs by 30–50% compared to gas furnaces and cooling costs by 20–30% compared to standard AC units. SMUD customers see average annual savings of $400–$800.

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HVACDublin, CAUnclaimed

Onzone Heating and Cooling

5★★★★★(37 Google reviews)

42NorCal Score· Standard

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Business Information

Address: 4 Vintage Cir, Pleasanton, CA 94566, USAGet Directions
Phone: (650) 698-7979
Website: onzone-ca.com/
Trade: HVAC
License: C-20 (Warm-Air Heating, Ventilating and Air-Conditioning)
Area: Dublin, CA

Business Hours

Mon	Open 24 hours
Tue	Open 24 hours
Wed(Today)	Open 24 hours
Thu	Open 24 hours
Fri	Open 24 hours
Sat	Open 24 hours
Sun	Open 24 hours

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Reviews

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3 Google

★★★★★Brandon Wang2 weeks agovia Google

I had an excellent experience with ONzone Heating & Cooling. Oleg was professional, friendly, and very knowledgeable from the moment he arrived. He carefully inspected my air conditioning system, explained exactly what the problem was in a way I could understand, and completed the repair quickly and efficiently. I really appreciated that he took the time to answer all of my questions and never tried to sell me services I didn’t need. After the repair, he made sure everything was working perfectly before leaving. My AC is now cooling better than it has in a long time. It’s not easy to find a company that is honest, reliable, and truly cares about customer satisfaction, but ONzone Heating & Cooling exceeded my expectations. I will definitely call Oleg again for any future HVAC needs and will gladly recommend ONzone Heating & Cooling to my family, friends, and neighbors. Thank you for the outstanding service!

★★★★★Сергій Ф.a month agovia Google

Great job! They helped repair my air conditioner and recharged the refrigerant. After that, the A/C started working much better. Very satisfied with the service, highly recommend!

★★★★★Joseph Lalaa month agovia Google

Very professional, on time, great price, polite, easy to work with, knowledgeable. A++++ would recommend, thank you!!!!

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About Onzone Heating and Cooling

Onzone Heating and Cooling has earned strong praise from Livermore customers for prompt, knowledgeable service, with technician Oleg specifically noted for clearly explaining issues, completing repairs efficiently, and thoroughly testing systems before leaving. Customers highlight the company's honesty and integrity, noting they don't push unnecessary services, along with their professionalism, punctuality, fair pricing, and easy-to-work-with attitude. Reviewers consistently mention improved AC performance after repairs and repeatedly recommend the company to family, friends, and neighbors. Contact them directly or request a free quote through NorCal Repairs.

AI Summary — Updated July 2026

HVAC Services in Dublin

AC Repair$150–$65024/7 Emergency AC Replacement$4,500–$15,000 Heat Pump Installation$6,000–$18,000 Furnace Repair$125–$50024/7 Emergency Furnace Replacement$3,500–$10,000 HVAC Maintenance$89–$199 Ductwork Services$300–$5,000 Mini-Split Installation$3,000–$8,000 Thermostat Installation$150–$500 Indoor Air Quality$200–$3,000

Service Area

Onzone Heating and Cooling serves Dublin and the surrounding areas:

Dublin Concord Antioch Pittsburg Brentwood Oakley Walnut Creek

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