Top-rated central a/c service or repairers.

Get matched with top central a/c service or repairers in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Central a/c service or repairers in Diamond Bar

SoCal Climate Control - San Bernardino
19201 Parthenia Street
4.42(
338
)
Approved Pro
SoCal Climate Control - San Bernardino
19201 Parthenia Street
4.42(
338
)
Approved Pro
Customers say: Quality work
7 years of experience
Free onsite estimate

With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"After 3 weeks using the new install. I can say the system is working perfectly."

Johny C on January 2023

With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

"After 3 weeks using the new install. I can say the system is working perfectly."

Johny C on January 2023


Avatar for Net Blue HVAC
Net Blue HVAC
15193 Hawthorn Ave
5.00(
2
)
Approved Pro
Net Blue HVAC
15193 Hawthorn Ave
5.00(
2
)
Approved Pro
Customers say: Quick response
3 years of experience
Free onsite estimate

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! Book with us online or feel free to give us a call today!

"This company never failed to impress me. I was truly blown away by the service I received from them as they addressed my HVAC air conditioning repair needs yesterday. The technician was intelligent, diligent, and expert about the service. I will highly recommend this company to everyone."

Jack L on April 2022

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! Book with us online or feel free to give us a call today!

"This company never failed to impress me. I was truly blown away by the service I received from them as they addressed my HVAC air conditioning repair needs yesterday. The technician was intelligent, diligent, and expert about the service. I will highly recommend this company to everyone."

Jack L on April 2022


Avatar for Victor Hernandez
Victor Hernandez
1257 East Bastanchury, Apt. D
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
Victor Hernandez
1257 East Bastanchury, Apt. D
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
4 years of experience
Free onsite estimate

We are a company dedicated to improving and maintaining the comfort of your home. Our focus is always on making sure you are taken care of with precise diagnostics, service, repairs, and replacements.

We are a company dedicated to improving and maintaining the comfort of your home. Our focus is always on making sure you are taken care of with precise diagnostics, service, repairs, and replacements.


Avatar for All Plumbing & Air Solutions
All Plumbing & Air Solutions
PO Box 7119
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
All Plumbing & Air Solutions
PO Box 7119
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

All Plumbing Solutions 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.

All Plumbing Solutions 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.


Avatar for RS Air Conditioning & Heating
RS Air Conditioning & Heating
139 Crescent Glen Drive
4.97(
21
)
Approved Pro
RS Air Conditioning & Heating
139 Crescent Glen Drive
4.97(
21
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 years of experience

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 customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Ray responded in a timely manner and was very thorough in diagnosing and explaining the problem. I would highly recommend him and plan to use him for any future needs."

tome z on October 2022

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 customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Ray responded in a timely manner and was very thorough in diagnosing and explaining the problem. I would highly recommend him and plan to use him for any future needs."

tome z on October 2022


Avatar for Climate Specialists
Climate Specialists
124 Gunsmoke Dr
4.92(
12
)
Approved Pro
Climate Specialists
124 Gunsmoke Dr
4.92(
12
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

Welcome to Climate Specialists, your trusted HVAC experts in Diamond Bar. With over 25 years of experience, we have been servicing both residential and commercial properties with top-notch installations and repairs. Our professionalism and commitment to getting the job done right the first time sets us apart from our competitors. At Climate Specialists, we understand the importance of having a comfortable and functional living or working space. As a veteran and family-owned business, we take pride in providing exceptional service to our community. Our dedication to quality work and competitive pricing has made us a trusted name in the HVAC industry. When you choose Climate Specialists, you can trust that your HVAC needs will be taken care of. Contact us today for all your HVAC needs and experience the difference of working with a company that puts your satisfaction first. Let us keep you cool in the summer and warm in the winter with our top-notch services.

"Really wonderful experience. Super fast communication and able to come out quickly to fix my furnace. They were very professional while at my home and honest. Trouble shot the issues until they found what was wrong. I would definitely hire them again and recommend to others."

Dorothy R on February 2024

Welcome to Climate Specialists, your trusted HVAC experts in Diamond Bar. With over 25 years of experience, we have been servicing both residential and commercial properties with top-notch installations and repairs. Our professionalism and commitment to getting the job done right the first time sets us apart from our competitors. At Climate Specialists, we understand the importance of having a comfortable and functional living or working space. As a veteran and family-owned business, we take pride in providing exceptional service to our community. Our dedication to quality work and competitive pricing has made us a trusted name in the HVAC industry. When you choose Climate Specialists, you can trust that your HVAC needs will be taken care of. Contact us today for all your HVAC needs and experience the difference of working with a company that puts your satisfaction first. Let us keep you cool in the summer and warm in the winter with our top-notch services.

"Really wonderful experience. Super fast communication and able to come out quickly to fix my furnace. They were very professional while at my home and honest. Trouble shot the issues until they found what was wrong. I would definitely hire them again and recommend to others."

Dorothy R on February 2024


Avatar for Season Control Heating Air Conditioning, Inc.
Season Control Heating Air Conditioning, Inc.
7225 Canoga Park Avenue
4.89(
96
)
Approved Pro
Season Control Heating Air Conditioning, Inc.
7225 Canoga Park Avenue
4.89(
96
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
108 local quotes requested

Season Control Heating and Air Conditioning, Inc., provides quality service with 24 hour customer support. We provide worry-free comfort through our Five Star Service and our quality standards. Call us today for a fast and dependable service!

"They installed a new furnace and air conditioner in less than a day, and did a great job! "

Jay J on June 2025

Season Control Heating and Air Conditioning, Inc., provides quality service with 24 hour customer support. We provide worry-free comfort through our Five Star Service and our quality standards. Call us today for a fast and dependable service!

"They installed a new furnace and air conditioner in less than a day, and did a great job! "

Jay J on June 2025


One Hour Heating and Air Conditioning
1350 W Collins Avenue STE M
5.00(
5
)
Approved Pro
One Hour Heating and Air Conditioning
1350 W Collins Avenue STE M
5.00(
5
)
Approved Pro
Free onsite estimate

One Hour Heating & Air Conditioning is proud to be your locally owned and operated HVAC business. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. From installs to service, our techs are highly trained and certified to get the job done right. Our customers know that they can rely on us to be timely, tidy and when the job is done that they will be 100% satisfied with the work completed. Let us show you the One Hour difference, get in touch today!

One Hour Heating & Air Conditioning is proud to be your locally owned and operated HVAC business. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. From installs to service, our techs are highly trained and certified to get the job done right. Our customers know that they can rely on us to be timely, tidy and when the job is done that they will be 100% satisfied with the work completed. Let us show you the One Hour difference, get in touch today!


Avatar for Total Home Environmental HVAC Co.
Total Home Environmental HVAC Co.
1423 Marcelina Avenue
4.76(
87
)
Approved Pro
Total Home Environmental HVAC Co.
1423 Marcelina Avenue
4.76(
87
)
Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
173 local quotes requested

With more than 40 yrs of experience, Orange Air is dedicated to providing our customers with the best quality at a great price. Our home is in Southbay, we offer services custom tailored for the homes in our area. Everything from 60 year old floor furnace rebuilds to state of the art cooling systems. We specialized in the diversity of the home in our service area. WE OFFER LIFETIME WARRANTIES ON OUR RESIDENTIAL REPAIRS. As long as you own your home, our repairs are covered for life! 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!

"Total Home environmental was an excellent choice for us. I would highly recommend them. They are honest and thorough."

Vince F on July 2025

With more than 40 yrs of experience, Orange Air is dedicated to providing our customers with the best quality at a great price. Our home is in Southbay, we offer services custom tailored for the homes in our area. Everything from 60 year old floor furnace rebuilds to state of the art cooling systems. We specialized in the diversity of the home in our service area. WE OFFER LIFETIME WARRANTIES ON OUR RESIDENTIAL REPAIRS. As long as you own your home, our repairs are covered for life! 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!

"Total Home environmental was an excellent choice for us. I would highly recommend them. They are honest and thorough."

Vince F on July 2025


Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
2932 Rubidoux Blvd, Ste B
4.93(
285
)
Approved Pro
MSP Heating and Air, LLC
2932 Rubidoux Blvd, Ste B
4.93(
285
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
453 local quotes requested

We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy

"Angel was professional and considerate. His expertise and attention to detail made troubleshooting our issue quick and he was able to present options that offered a permanent fix that fit our budget. An all around star player and a highly recommended company. "

Michael B on May 2025

We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy

"Angel was professional and considerate. His expertise and attention to detail made troubleshooting our issue quick and he was able to present options that offered a permanent fix that fit our budget. An all around star player and a highly recommended company. "

Michael B on May 2025

...
Showing 1-10 of 1015
The Diamond Bar, 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.
home humidifier installed in ductwork in home
Jun 21, 2025
Jun 21, 2025
Budget for whole-house humidifier costs, based on factors such as humidifier type, power source, labor, maintenance, and more.
Technician services outside AC units and generator
Apr 30, 2025
Apr 30, 2025
Budget for HVAC maintenance costs based on factors such as unit age, time of year, repair task, warranties, condition, service plans, and more.
professional installing home humidifier system
Apr 29, 2025
Apr 29, 2025
Budget for whole-house dehumidifier costs based on factors such as unit type, capacity, efficiency, ductwork, drainage, labor, permits, and more.
Technician performing annual ac tune up
Apr 29, 2025
Apr 29, 2025
Budget for AC evaporator coil replacement costs based on factors such as your AC unit’s tonnage, coil style, professional labor rates, and more.
home air conditioner being recharged with freon
Apr 26, 2025
Apr 26, 2025
Need an AC Recharge? Here’s how much it costs, what factors affect cost, and what to expect.
A boy changing thermostat’s temperature using a smartphone
Apr 25, 2025
Apr 25, 2025
Budget for AC coil cleaning costs based on factors such as cleaning frequency, coil type, cleaning method, accessibility, ongoing maintenance, and more.
Share project details to get started.