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Find Central a/c service or repairers in Dublin

Hao Wu

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Hao Wu

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
8 years of experience
Free onsite estimate

Hao Wu is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

Hao Wu is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!


Avatar for Chill Heating & Cooling

Chill Heating & Cooling

4.40(
15
)
Approved Pro

Chill Heating & Cooling

4.40(
15
)
Approved Pro
7 years of experience
Free onsite estimate

At Chill Heating and Cooling, we provide expert HVAC services tailored to your needs. From efficient installations to dependable repairs and maintenance, our skilled team ensures your indoor comfort all year round. With a commitment to quality and customer satisfaction, we deliver innovative solutions that enhance efficiency and save you money. Trust us to keep your home or business comfortable—your comfort is our mission!

"The contractor was friendly, found the issue to my HVAC heating system, repaired and provided alternative solutions should I need to replace the system due to its age. "

Joanna D on December 2025

At Chill Heating and Cooling, we provide expert HVAC services tailored to your needs. From efficient installations to dependable repairs and maintenance, our skilled team ensures your indoor comfort all year round. With a commitment to quality and customer satisfaction, we deliver innovative solutions that enhance efficiency and save you money. Trust us to keep your home or business comfortable—your comfort is our mission!

"The contractor was friendly, found the issue to my HVAC heating system, repaired and provided alternative solutions should I need to replace the system due to its age. "

Joanna D on December 2025


Avatar for Smart Heating and Air Conditioning, Inc.

Smart Heating and Air Conditioning, Inc.

4.83(
18
)
Approved Pro

Smart Heating and Air Conditioning, Inc.

4.83(
18
)
Approved Pro
Customers say: Quality work
26 local quotes requested
5 years of experience

Smart Heating and Air is proud to be a locally owned and operated business that provides residential HVAC installation, replacement and service. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. Since opening our doors we have built our business on providing customers with the highest quality products and service at a fair price. You can count on us to be timely, tidy and when the job is done, that you will be 100% satisfied with the work. Let us show you the Smart Heating and Air advantage, get in touch today!

"They do an outstanding detailed job on examining your equipment and explain the problems that are going on and problems that might arise and then back it up with pictures. They send all this info to you via your computor. They also do a great job cleaning up after they are finished. They are very professional!"

marilyn m on April 2024

Smart Heating and Air is proud to be a locally owned and operated business that provides residential HVAC installation, replacement and service. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. Since opening our doors we have built our business on providing customers with the highest quality products and service at a fair price. You can count on us to be timely, tidy and when the job is done, that you will be 100% satisfied with the work. Let us show you the Smart Heating and Air advantage, get in touch today!

"They do an outstanding detailed job on examining your equipment and explain the problems that are going on and problems that might arise and then back it up with pictures. They send all this info to you via your computor. They also do a great job cleaning up after they are finished. They are very professional!"

marilyn m on April 2024


Avatar for Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4.91(
262
)
Approved Pro

Perfect Star Heating and Air Conditioning

4.91(
262
)
Approved Pro
Super Service Award
Customers say: Quick response
971 local quotes requested
10 years of experience

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Great communication, scheduling, professionalism and install. Thank you for a smooth job. "

Ed M on January 2026

With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.

"Great communication, scheduling, professionalism and install. Thank you for a smooth job. "

Ed M on January 2026


CA Heating and Air Conditioning

5.00(
9
)
Approved Pro

CA Heating and Air Conditioning

5.00(
9
)
Approved Pro
Super Service Award
2 years of experience
Free onsite estimate

With 25 years of experience C.A Heating and Air Conditioning is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Usvaldo Valencia "

Usvaldo V on August 2025

With 25 years of experience C.A Heating and Air Conditioning is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Usvaldo Valencia "

Usvaldo V on August 2025


Avatar for Pacific Coast Home Services

Pacific Coast Home Services

4.41(
225
)
Approved Pro

Pacific Coast Home Services

4.41(
225
)
Approved Pro
Customers say: True professional
39 local quotes requested
15 years of experience

Pacific Coast Home Services, family owned and operated is a client centered company, serving the greater Bay area community. Want one good reason to hire us for your HVAC needs? We'll give you 6: Proven Expertise – With decades of hands-on experience, our HVAC technicians bring knowledge, skill, and precision to every job. Reliable Service – From urgent repairs to seasonal tune-ups, we’re committed to showing up on time and doing the job right the first time. Energy Efficiency Focus – We don’t just fix systems—we optimize them, helping you lower energy costs and extend the life of your equipment. Customized Solutions – Every home and business is unique. We design heating and cooling solutions that fit your needs, comfort, and budget. Trusted Local Professionals – We’ve built our reputation on honesty, transparency, and long-term relationships with our clients. At the heart of what we do is simple: keeping your home comfortable, safe, and energy-efficient—season after season.

"Pacific Coast Home Services charged me $450.00 on May 10th to have my Air Conditioner repaired. On July 1st when the heat wave hit San Jose my air conditioner did not work. Pacific Coast did not stand by their GUARANTEE and I had to call another company to do the repairs. Thankfully, they were an honest company and made the repairs. Pacific Coast Home Services consisted of their salesman wanting to sell me a maintenance agreement for $900 ... I should have realized at that point he was not interested in fixing my problem and asked him to leave my house !!! He did remove a few leaves from the air conditioner and clipped a few nips off a bush nearby ... there was no repair done for his billing me $450.00. I am 92 years old and feel this was ELDER ABUSE !!! DO NOT CALL THIS COMPANY!!!"

Shirley T on July 2024

Pacific Coast Home Services, family owned and operated is a client centered company, serving the greater Bay area community. Want one good reason to hire us for your HVAC needs? We'll give you 6: Proven Expertise – With decades of hands-on experience, our HVAC technicians bring knowledge, skill, and precision to every job. Reliable Service – From urgent repairs to seasonal tune-ups, we’re committed to showing up on time and doing the job right the first time. Energy Efficiency Focus – We don’t just fix systems—we optimize them, helping you lower energy costs and extend the life of your equipment. Customized Solutions – Every home and business is unique. We design heating and cooling solutions that fit your needs, comfort, and budget. Trusted Local Professionals – We’ve built our reputation on honesty, transparency, and long-term relationships with our clients. At the heart of what we do is simple: keeping your home comfortable, safe, and energy-efficient—season after season.

"Pacific Coast Home Services charged me $450.00 on May 10th to have my Air Conditioner repaired. On July 1st when the heat wave hit San Jose my air conditioner did not work. Pacific Coast did not stand by their GUARANTEE and I had to call another company to do the repairs. Thankfully, they were an honest company and made the repairs. Pacific Coast Home Services consisted of their salesman wanting to sell me a maintenance agreement for $900 ... I should have realized at that point he was not interested in fixing my problem and asked him to leave my house !!! He did remove a few leaves from the air conditioner and clipped a few nips off a bush nearby ... there was no repair done for his billing me $450.00. I am 92 years old and feel this was ELDER ABUSE !!! DO NOT CALL THIS COMPANY!!!"

Shirley T on July 2024


Avatar for DUKES HEATING & AIR CONDITIONING

DUKES HEATING & AIR CONDITIONING

4.89(
127
)
Approved Pro

DUKES HEATING & AIR CONDITIONING

4.89(
127
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
19 local quotes requested

Dukes Heating & Air Conditioning is in HVAC business for 37 years now and continuously remains on the top of the industry. We do this by providing honesty and good workmanship that our customers love the most. We- Dukes Heating & Air Conditioning , also make sure that we have the latest technology that enables us to be more competitive & expert in the field and stand behind any work we have performed. Our in-house employees are all professionally trained and deliver only excellence to whatever project they work on.

"Great service"

Noah H on October 2023

Dukes Heating & Air Conditioning is in HVAC business for 37 years now and continuously remains on the top of the industry. We do this by providing honesty and good workmanship that our customers love the most. We- Dukes Heating & Air Conditioning , also make sure that we have the latest technology that enables us to be more competitive & expert in the field and stand behind any work we have performed. Our in-house employees are all professionally trained and deliver only excellence to whatever project they work on.

"Great service"

Noah H on October 2023


Avatar for GB Heating & Air Conditioning Inc.

GB Heating & Air Conditioning Inc.

5.00(
5
)
Approved Pro

GB Heating & Air Conditioning Inc.

5.00(
5
)
Approved Pro
13 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers? needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers? needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.


Avatar for Up & Above Heating & Cooling Services

Up & Above Heating & Cooling Services

4.88(
8
)
Approved Pro

Up & Above Heating & Cooling Services

4.88(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 years of experience

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality our work and producing outstanding results. We are committed to creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Seemed to be very Experienced! Did a Fantastic Job. I would Highly Recommend Him!"

Debi J on January 2024

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality our work and producing outstanding results. We are committed to creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Seemed to be very Experienced! Did a Fantastic Job. I would Highly Recommend Him!"

Debi J on January 2024


Avatar for Aire Serv of Campbell & Saratoga

Aire Serv of Campbell & Saratoga

4.88(
16
)
Approved Pro

Aire Serv of Campbell & Saratoga

4.88(
16
)
Approved Pro
Super Service Award
Customers say: Quick response
182 local quotes requested
35 years of experience

Looking for reliable Heating & A/C services in the BAY Area and surrounding counties? Look no further than Aire Serv of Campbell & Saratoga. Our team of experts is here to assist you with all your heating and A/C needs. With our exceptional service and attention to detail, we are dedicated to providing the best solutions for all your needs. Contact us today!

"Very well!"

Sanjeev Gupta G on September 2025

Looking for reliable Heating & A/C services in the BAY Area and surrounding counties? Look no further than Aire Serv of Campbell & Saratoga. Our team of experts is here to assist you with all your heating and A/C needs. With our exceptional service and attention to detail, we are dedicated to providing the best solutions for all your needs. Contact us today!

"Very well!"

Sanjeev Gupta G on September 2025

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FAQs for central a/c service or repair projects in Dublin, CA

A condenser fan motor is a crucial part of your air conditioner that prevents the compressor from overheating. It pulls heat from your AC unit to cool the refrigerant moving through the condenser coils. This allows your system to blow cool air and keeps everything running smoothly.

The most common causes of AC fan motor failure include loss of lubricant in the system due to overheating and a rusted or leaking run capacitor. Poor lubrication can also cause failure in the belt drive, which may impact the AC fan motor. Weather and electrical components can also affect your AC. For example, a storm could send water into your motor windings and damage the internal components.

Air conditioner fan motors last about 12 years on average, though they can last longer if maintained well. This includes keeping them clean and cooled as needed with annual air conditioner checkups. Routine maintenance is essential to catch AC fan issues early. An HVAC inspection can cost between $70 and $500, while AC cleaning services may range from $100 to $400.

A broken AC fan motor may need replacement because this part usually can’t be repaired. Several things indicate it’s time to replace your AC fan motor, including buzzing noises, a constantly running fan, unusually high energy bills, or an aging system. If you notice these signs, call an HVAC pro for help before the faulty motor starts to strain other parts of the AC system.

There are clear warning signs of a bad AC fan motor, including unusual interruptions in the fan operation. The motor might be malfunctioning if you hear weird noises like grinding or rattling or if the fan continues to spin when the unit is off. These indicators compromise your AC’s cooling performance and increase your energy costs. Addressing these issues immediately by contacting a trusted HVAC professional prevents further damage and safeguards your HVAC's efficiency.

Replacing your AC fan motor takes a professional one to four hours. The technician will start by assessing your system and safely removing the damaged motor. If a new part needs to be ordered, it might take a few days. Once the part is available, your pro will install it properly and make sure your system is running smoothly.

The Dublin, CA homeowners’ guide to central a/c service or repairs

From average costs to expert advice, get all the answers you need to get your job done.

  • Detail of a HVAC system outside a brick house

    The cost of replacing an AC unit fan motor depends on warranties, labor, season, and more. This cost guide covers everything you need to know about this HVAC part.

  • A boy changing thermostat’s temperature using a smartphone

    Budget for AC coil cleaning costs based on factors such as cleaning frequency, coil type, cleaning method, accessibility, ongoing maintenance, and more.

  • home air conditioner being recharged with freon

    Need an AC Recharge? Here’s how much it costs, what factors affect cost, and what to expect.

  • House humidifier on a return duct

    Wondering who installs whole-house humidifiers? Hire a licensed HVAC technician. Learn what they do, other pro options, and how to hire confidently