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Find Central a/c service or repairers in Discovery Bay

Avatar for Prime Energy Heat and Air

Prime Energy Heat and Air

931 Macduff Avenue
4.97(
44
)
Approved Pro

Prime Energy Heat and Air

931 Macduff Avenue
4.97(
44
)
Approved Pro
Customers say: Terrific value
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
61 local quotes requested

We pride our company on reliability, great communication, integrity and quality work. We are experts in our heating and cooling work and will do our best to keep you as educated as we can on your particular task or project. We look forward to working with you.

"Did a great job, communicated well and completed the job quickly and efficiently. "

Mark P on June 2025

We pride our company on reliability, great communication, integrity and quality work. We are experts in our heating and cooling work and will do our best to keep you as educated as we can on your particular task or project. We look forward to working with you.

"Did a great job, communicated well and completed the job quickly and efficiently. "

Mark P on June 2025


Avatar for B&B's Heating and Air Conditioning, Inc.

B&B's Heating and Air Conditioning, Inc.

2244 East Weber Avenue
4.67(
3
)
Approved Pro

B&B's Heating and Air Conditioning, Inc.

2244 East Weber Avenue
4.67(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Ive been using bob for 20 years."

Mark G on October 2020

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Ive been using bob for 20 years."

Mark G on October 2020


TEGA INC

1360 Lakeside Avenue Apt 233
5.00(
2
)
Approved Pro

TEGA INC

1360 Lakeside Avenue Apt 233
5.00(
2
)
Approved Pro
Free onsite estimate

TEGA INC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"He did a great job replacing my AC. "

Gee S on June 2025

TEGA INC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"He did a great job replacing my AC. "

Gee S on June 2025


Avatar for Alliance Heating and Air

Alliance Heating and Air

5309 Barbados Cir
5.00(
4
)
Approved Pro

Alliance Heating and Air

5309 Barbados Cir
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
23 years of experience

Alliance Heating & Air is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

"Good"

Steven P on June 2021

Alliance Heating & Air is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

"Good"

Steven P on June 2021


Avatar for Loves Air

Loves Air

5536 Pirrone Road
4.86(
7
)
Approved Pro

Loves Air

5536 Pirrone Road
4.86(
7
)
Approved Pro
Customers say: Quick response
18 years of experience
Free onsite estimate

History Establish 2009. Loves Air has become the premier Heating, Air Condition company in the Central Valley. With the hard work and dedication from our team of expert HVAC technicians, our professional customer service team, our amazing managers and our visionary leadership from our owners, we have climbed to the top where we can proudly say we're the #1 HVAC company in Central California. Our attention to detail and commitment to our values have helped us grow. We Loves servicing customers every day and continuing to grow into the industry standard for all things HVAC. Welcome to Loves Air! Heating, Air Conditioning, Solar, Windows & Water Heater Installation, A/C Repair, Air Duct Installation, Air Duct Repair, Ductless A/C Services, Electric Furnace Installation, Electric Furnace Repair, Flame Sensor Repair, Gas Furnace Installation, Gas Furnace Repair, Heater Installation, Heater Repair.

"Great customer service!"

Gwen F on December 2018

History Establish 2009. Loves Air has become the premier Heating, Air Condition company in the Central Valley. With the hard work and dedication from our team of expert HVAC technicians, our professional customer service team, our amazing managers and our visionary leadership from our owners, we have climbed to the top where we can proudly say we're the #1 HVAC company in Central California. Our attention to detail and commitment to our values have helped us grow. We Loves servicing customers every day and continuing to grow into the industry standard for all things HVAC. Welcome to Loves Air! Heating, Air Conditioning, Solar, Windows & Water Heater Installation, A/C Repair, Air Duct Installation, Air Duct Repair, Ductless A/C Services, Electric Furnace Installation, Electric Furnace Repair, Flame Sensor Repair, Gas Furnace Installation, Gas Furnace Repair, Heater Installation, Heater Repair.

"Great customer service!"

Gwen F on December 2018


Avatar for Elite Heating and Air LLC

Elite Heating and Air LLC

1420 Peppertree Lane
5.00(
9
)
Approved Pro

Elite Heating and Air LLC

1420 Peppertree Lane
5.00(
9
)
Approved Pro
78 local quotes requested
9 years of experience

Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today!

"Correction to my recent review. The cost was $1,100."

Nanette S on September 2025

Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today!

"Correction to my recent review. The cost was $1,100."

Nanette S on September 2025


Avatar for Oakley Heating and Air

Oakley Heating and Air

400 Norcross Ln
5.00(
8
)
Approved Pro

Oakley Heating and Air

400 Norcross Ln
5.00(
8
)
Approved Pro
1 years of experience
Free onsite estimate

Oakley Heating and Air, LLC provides exceptional service to the surrounding areas. Always taking pride in all of our services, striving to execute with excellence, and putting our customers in the forefront, is our philosophy. Whatever your Heating and Air needs may be, you can count on our company to leave you satisfied and happy. Call today , you'll be pleased you did. Thank you

"Oakley heating and Air has been our go to for some time now. Terry is awesome and reliable. Hard to find now a days. Haven’t had an issue that he can’t solve. I Will continue to support and recommend him to all my friends. "

Ricardo c on July 2025

Oakley Heating and Air, LLC provides exceptional service to the surrounding areas. Always taking pride in all of our services, striving to execute with excellence, and putting our customers in the forefront, is our philosophy. Whatever your Heating and Air needs may be, you can count on our company to leave you satisfied and happy. Call today , you'll be pleased you did. Thank you

"Oakley heating and Air has been our go to for some time now. Terry is awesome and reliable. Hard to find now a days. Haven’t had an issue that he can’t solve. I Will continue to support and recommend him to all my friends. "

Ricardo c on July 2025


Avatar for Perfect Star Heating and Air Conditioning

Perfect Star Heating and Air Conditioning

4415 Cowell Road
4.91(
249
)
Approved Pro

Perfect Star Heating and Air Conditioning

4415 Cowell Road
4.91(
249
)
Approved Pro
Super Service Award
Customers say: Quick response
926 local quotes requested
9 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.

"Our technician Emanuel, was on time, delivered what he said he would and was professional, competent, and professional at all times. He ran into a challenging situation but in the end the project was completed to our satisfaction. Thanks Perfect Star, Robert Costa"

Robert C on October 2025

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.

"Our technician Emanuel, was on time, delivered what he said he would and was professional, competent, and professional at all times. He ran into a challenging situation but in the end the project was completed to our satisfaction. Thanks Perfect Star, Robert Costa"

Robert C on October 2025


Avatar for Comfort Experts INC

Comfort Experts INC

PO Box 1225
4.53(
16
)
Approved Pro

Comfort Experts INC

PO Box 1225
4.53(
16
)
Approved Pro
Customers say: Quality work
141 local quotes requested
10 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Was a little expensive but did a good job diagnosing and repairing my AC. "

Art A on August 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Was a little expensive but did a good job diagnosing and repairing my AC. "

Art A on August 2025


Avatar for HVAC Service Star, Inc.

HVAC Service Star, Inc.

519 Leisure St Livermoore
5.00(
2
)
Approved Pro

HVAC Service Star, Inc.

519 Leisure St Livermoore
5.00(
2
)
Approved Pro
2 years of experience
Free onsite estimate

At Service Star Heating & Air Conditioning, we know you have choices - that's why we work every day to stand apart. We blend big-company expertise with a local, family-owned touch. Personalized Service: We listen, explain, and tailor every solution to your homes unique needs. Certified Technicians: Licensed, trained, and committed to safe, precise, efficient work. Transparent Pricing: No hidden fees or upselling ? just honest, upfront recommendations. Quality & Reliability: We use premium equipment, follow best practices, and back our work with strong warranties. Customer-First Approach: We treat your home as our own, respecting your time, space, and budget. We don't just repair or install - we deliver comfort, peace of mind, and long-term savings. That's why Tri-Valley families trust Service Star year-round.

"Henry and his team were amazing overall! My 2 units are close to 30 years old and struggling to keep my home cold. Their advice was to get a new system but I have a soft spot for these as they are original to our home and have been around since I was a kid! They were not too pushy and ensured all was good with my system"

Hisham A on October 2025

At Service Star Heating & Air Conditioning, we know you have choices - that's why we work every day to stand apart. We blend big-company expertise with a local, family-owned touch. Personalized Service: We listen, explain, and tailor every solution to your homes unique needs. Certified Technicians: Licensed, trained, and committed to safe, precise, efficient work. Transparent Pricing: No hidden fees or upselling ? just honest, upfront recommendations. Quality & Reliability: We use premium equipment, follow best practices, and back our work with strong warranties. Customer-First Approach: We treat your home as our own, respecting your time, space, and budget. We don't just repair or install - we deliver comfort, peace of mind, and long-term savings. That's why Tri-Valley families trust Service Star year-round.

"Henry and his team were amazing overall! My 2 units are close to 30 years old and struggling to keep my home cold. Their advice was to get a new system but I have a soft spot for these as they are original to our home and have been around since I was a kid! They were not too pushy and ensured all was good with my system"

Hisham A on October 2025

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FAQs for central a/c service or repair projects in Discovery Bay, 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 Discovery Bay, 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.

  • Technician repairing air conditioner

    HomeAdvisor's Air Conditioning Repair Cost Guide gives the average price to fix an AC unit in your house. Find the cost of recharging the AC or fixing a freon leak. Get the price to repair or replace a compressor, handler, thermostat, duct, and more.

  • An AC system in the backyard of a house

    This guide explores the average cost of replacing your AC compressor and all of the factors that go into it, including size, type, and brand.

  • 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.