The HVAC industry in California plays a crucial role in shaping comfortable indoor environments with efficient heating, ventilation, and air conditioning solutions. It comprises various businesses, from small family-owned operations to large corporations, all providing installation, maintenance, and repair services across commercial and residential sectors. As sustainability becomes more pressing, companies are increasingly integrating energy-efficient technologies and eco-friendly practices into their offerings. Trends point to growth driven by innovations in smart thermostats and automation, indicating substantial investment potential within the sector. Overall, the HVAC market is poised to thrive amidst rising environmental awareness and urbanization.

The companies listed here vary widely in size, ranging from small teams of under 50 employees to large organizations with thousands on staff. Headquartered throughout California, they boast founding years that span several decades, with a mixture of established companies and newer entrants. Many specialize in providing tailored HVAC services, focusing on distinct areas such as installation, repair, or energy optimization. This mix of operational scale and specialization reflects the dynamic nature of the HVAC sector across the state, fostering a competitive environment that's increasingly geared towards holistic solutions for climate control.

Read on to discover the top HVAC companies in California.

Top 25 HVAC Companies in California

1. CoolSys - Refrigeration and HVAC Systems

• Website: coolsys.com
• Ownership type: Private Equity
• Headquarters: Brea, California, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: March 2019
• Founded year: 2015
• Headcount: 1001-5000
• LinkedIn: cool-sys

CoolSys - Refrigeration and HVAC Systems, based in Brea, California, specializes in providing commercial refrigeration and HVAC solutions. Founded in 2015, the company has rapidly grown to employ over 2,200 technicians and 110 engineers, showcasing its capacity to handle a wide array of projects. CoolSys offers a full suite of services, including installation, maintenance, and energy optimization, tailored to meet the needs of various sectors such as commercial, industrial, and healthcare. Their technicians are trained to work with equipment from any manufacturer, ensuring flexibility and responsiveness to client needs. The company emphasizes sustainability, helping clients achieve energy efficiency and reduce emissions. With a focus on proactive service and continuous improvement, CoolSys has positioned itself as a reliable partner for businesses seeking effective HVAC and refrigeration solutions.

2. Air-Tro, Inc.

• Website: airtro.com
• Ownership type: Private
• Headquarters: Monrovia, California, United States (USA)
• Employee distribution: United States (USA) 76%, Liberia 24%
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: air-tro-inc.

Air-Tro, Inc. is a privately owned HVAC service company based in Monrovia, California. Established in 1969, the company specializes in providing comprehensive heating, ventilation, and air conditioning solutions. They offer a range of services including installation, repair, and maintenance for both residential and commercial clients. Air-Tro is dedicated to ensuring comfort and energy efficiency for its customers, utilizing the latest technologies and best practices in the industry. The company has built a strong reputation over the decades, supported by a team of experienced professionals who prioritize customer satisfaction. In addition to their technical services, Air-Tro is actively involved in community initiatives, contributing to local events and organizations, which further solidifies their standing in the region. Their commitment to quality service and community engagement positions them as a noteworthy player in the HVAC sector.

3. Brody Pennell Heating & Air Conditioning

• Website: brodypennell.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1945
• Headcount: 51-200
• LinkedIn: brody-pennell-hvac

Brody Pennell Heating & Air Conditioning is a well-established HVAC service provider based in Los Angeles, California. Founded in 1945, the company has built a reputation for delivering reliable heating and cooling solutions to both residential and commercial clients. With a workforce of approximately 51-200 employees, Brody Pennell specializes in a wide array of services, including air conditioning repair, heating installation, and enhancements to indoor air quality. Their commitment to excellence is underscored by their long-standing partnership with Carrier, having been a dealer for over 50 years. The company has received multiple accolades, including the prestigious Carrier President’s Award, which recognizes top-performing dealers for their customer satisfaction and operational integrity. Brody Pennell also emphasizes ongoing training for its technicians, ensuring they remain knowledgeable about the latest HVAC technologies and best practices. This dedication to quality service and customer care has solidified their position as a trusted HVAC contractor in the Greater Los Angeles area.

4. Home Comfort USA

• Website: homecomfortusa.com
• Ownership type: Family Owned
• Headquarters: Anaheim, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: home-comfort-usa

Home Comfort USA, based in Anaheim, California, is a family-owned HVAC service company founded in 2013. The company specializes in heating, air conditioning, and indoor air quality solutions, catering primarily to homeowners in Southern California. They provide a range of essential services, including installation, repair, and maintenance of HVAC systems, ensuring comfort and efficiency in residential environments. Home Comfort USA prides itself on its customer service, offering a satisfaction guarantee and 24/7 availability to address urgent HVAC needs. Their commitment to community well-being is reflected in their various promotions and membership programs, which aim to enhance customer engagement and loyalty. With a workforce of around 46 employees, the company has established itself as a reliable player in the HVAC industry, focusing on delivering quality service and maintaining high standards of customer satisfaction.

5. Breeze Air Conditioning

• Website: breezeac.com
• Ownership type: Private
• Headquarters: Palm Desert, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 11-50
• LinkedIn: breeze-air-conditioning

Breeze Air Conditioning, based in Palm Desert, California, has been a staple in the HVAC industry since its founding in 1980. With a dedicated team of 17 employees, the company specializes in providing comprehensive heating and cooling solutions tailored to the needs of homeowners. Their service portfolio includes installation, maintenance, and repair of HVAC systems, as well as products aimed at improving indoor air quality. Over the years, Breeze Air Conditioning has developed a reputation for reliability and customer service, with a focus on utilizing green technology and energy-efficient solutions. The company operates with a commitment to excellence, ensuring that their technicians are well-trained and equipped to handle a variety of HVAC challenges. Their local expertise and customer-centric approach have made them a trusted name in the Coachella Valley, where they continue to serve a loyal customer base.

6. Bell Brothers Plumbing, Heating and Air Conditioning

• Website: bellbroshvac.com
• Ownership type: Corporate
• Headquarters: Elk Grove, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2020
• Founded year: 1991
• Headcount: 201-500
• LinkedIn: bell-brothers-heating-and-air

Bell Brothers Plumbing, Heating and Air Conditioning, based in Elk Grove, California, has been a prominent service provider in the HVAC and plumbing industry since its inception in 1991. With a workforce of approximately 111 employees, the company caters primarily to homeowners in the Sacramento and East Bay regions. Their service offerings include air conditioning repair, heating maintenance, plumbing repair, and window replacement. Bell Brothers prides itself on its customer service, highlighted by their 'World’s Friendliest Technicians®' and a commitment to transparency through their 'No Surprise Guarantee.' The company has built a strong reputation over three decades, evidenced by their A+ rating with the Better Business Bureau and a significant volume of positive customer reviews. Their innovative marketing strategies, such as the 'Good Deeds For Free®' initiative, further enhance their community engagement and customer loyalty.

7. Moore Home Services HVAC

• Website: moorehomeservices.com
• Ownership type: Private Equity
• Headquarters: Santa Rosa, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: May 2019
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: moore-home-services-hvac

Moore Home Services HVAC, based in Santa Rosa, California, is a private equity-owned company that has been serving the North Bay area since its inception in 2009. With a workforce of approximately 51-200 employees, the company specializes in a range of services including heating, cooling, plumbing, and indoor air quality solutions. Their offerings include furnace and air conditioning repair, plumbing installation, and maintenance services. Moore Home Services prides itself on its customer-centric approach, highlighted by their '100% Right... or 100% Free' guarantee, which ensures that customers are satisfied with their work or they do not pay. The company has also been recognized for its workplace culture and service excellence, receiving multiple Angie’s List Super Service awards and being featured in the Inc. 5000 list of fastest-growing private companies. This recognition underscores their commitment to quality and customer satisfaction in the HVAC sector.

8. Patriot Air Systems, Inc.

• Website: patriotairsystems.com
• Ownership type: Private
• Headquarters: Camarillo, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: patriot-air-systems-inc

Patriot Air Systems, Inc. is an HVAC contractor based in Oxnard, California, specializing in heating, ventilation, and air conditioning services for both residential and commercial clients. Established in 2011, the company has built a reputation for delivering high-quality installation, repair, and maintenance services. Their expertise extends to building automation and clean room solutions, showcasing their ability to cater to specialized needs. With a team of approximately 17 employees, Patriot Air Systems emphasizes customer satisfaction and energy efficiency in all their projects. They are committed to providing 24/7 emergency services, ensuring that clients receive timely support whenever needed. The company serves the tri-county area, including Los Angeles, Ventura, and Santa Barbara counties, and prides itself on its professional yet personal approach to service delivery.

9. Christian Brothers Mechanical Services

• Website: cbhvac.com
• Ownership type: Family Owned
• Headquarters: Jurupa Valley, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 201-500
• LinkedIn: christian-brothers-hvac

Christian Brothers Mechanical Services, Inc. is a family-owned mechanical services company based in Jurupa Valley, California, specializing in HVAC solutions for commercial clients across Southern California. Established in 1985, the company has built a reputation for delivering high-quality installation, maintenance, and repair services for heating and cooling systems. Their clientele spans various sectors, including retail, healthcare, and education, showcasing their ability to cater to the unique needs of different industries. With a workforce of approximately 300 employees, Christian Brothers Mechanical Services prides itself on its in-house capabilities, including mechanical piping and sheet metal fabrication. The company is also recognized for its commitment to safety, having received accolades for its safety programs and maintaining a low worker’s compensation MOD rate. Their extensive experience and focus on client satisfaction position them as a significant player in the HVAC industry.

10. Western Allied Mechanical

• Website: westernallied.com
• Ownership type: Family Owned
• Headquarters: Union, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1961
• Headcount: 51-200
• LinkedIn: western-allied-mechanical

Western Allied Mechanical, based in Union, California, is a family-owned company specializing in HVAC system design and operation. Established in 1961, the firm has built a reputation for delivering innovative and energy-efficient solutions tailored to the needs of commercial, educational, and healthcare clients. Their service offerings include engineering, plumbing, automation, and specialized project management. The company is dedicated to creating comfortable environments while addressing complex project challenges. Western Allied Mechanical actively participates in industry organizations, with team members holding leadership roles in various associations. This involvement not only enhances their expertise but also keeps them at the forefront of industry trends and technologies. Their commitment to safety, technology innovation, and employee development reflects a strong organizational culture focused on excellence and sustainability.

11. Air-tec

• Website: airtecperforms.com
• Ownership type: Private
• Headquarters: Carson, California, United States (USA)
• Employee distribution: United States (USA) 83%, Czech Republic 9%, Cote d'Ivoire (Ivory Coast) 9%
• Founded year: 1969
• Headcount: 201-500
• LinkedIn: air-tec

Air-Tec, founded in 1969 and based in Carson, California, is a mechanical contracting company specializing in HVAC services. With a workforce of around 70 employees, the company has built a reputation for delivering high-quality mechanical contracting solutions. Air-Tec offers a comprehensive range of services, including preventative maintenance, emergency repairs, and full-service mechanical contracting. Their clientele spans various sectors, including healthcare, education, and commercial businesses, which rely on their expertise for efficient heating and cooling solutions. The company operates from a 60,000 square-foot facility equipped for in-house manufacturing, which enhances their project execution capabilities. Air-Tec has also expanded its offerings by establishing a Controls Division in partnership with Computrols, focusing on building automation systems. This strategic move reflects their commitment to innovation and customer satisfaction in the HVAC industry.

12. ACCO Engineered Systems

• Website: accoes.com
• Ownership type: Private
• Headquarters: Pasadena, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1934
• Headcount: 5001-10000
• LinkedIn: acco-engineered-systems

ACCO Engineered Systems, based in Pasadena, California, is a mechanical contractor that specializes in HVAC and plumbing services. Established in 1934, the company has built a reputation for providing comprehensive facility services to businesses and organizations across various industries. ACCO focuses on ensuring the efficient operation and maintenance of mechanical systems, with a strong emphasis on energy management and preventive maintenance. Their service portfolio includes engineering, project management, HVAC piping, industrial construction, and plumbing, among others. ACCO operates a substantial workforce, with over 2,200 employees, and has a significant presence in the Western United States, servicing more than 7,600 accounts. The company is also committed to sustainability, helping clients optimize their facilities and reduce energy consumption. With a robust infrastructure and a commitment to quality service, ACCO Engineered Systems plays a vital role in the HVAC industry.

13. Ace Plumbing, Heating & Air Conditioning

• Website: aceplumbing.com
• Ownership type: Family Owned
• Headquarters: Sacramento, California, United States (USA)
• Employee distribution: United States (USA) 76%, Canada 24%
• Founded year: 1971
• Headcount: 11-50
• LinkedIn: ace-plumbing-heating-and-air-conditioning

Ace Plumbing, Heating & Air Conditioning, based in Sacramento, California, has been serving the community since 1971. This family-owned business specializes in plumbing and HVAC solutions, catering to both residential and commercial customers. Their service offerings include air conditioning repairs and installations, heating system maintenance, and a wide array of plumbing services. With a workforce of 34 employees, Ace Plumbing emphasizes the importance of professionalism and transparency in their operations. They invest in continuous training for their technicians to ensure they are knowledgeable about the latest industry practices. The company also provides 24/7 emergency services, demonstrating their commitment to customer satisfaction and reliability in urgent situations. Ace Plumbing has built a solid reputation over the decades, making it a trusted name in the Sacramento area for HVAC and plumbing needs.

14. EMCOR Services Mesa Energy

• Website: mesaenergy.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 501-1000
• LinkedIn: emcor-services-mesa-energy-systems

EMCOR Services Mesa Energy, based in Irvine, California, is a service company that specializes in HVAC, building automation, and energy solutions. Founded in 1983, the company has built a reputation for providing high-quality mechanical and energy services tailored to commercial and industrial clients. Their offerings include installation, maintenance, and consulting, with a strong emphasis on energy efficiency and system optimization. Mesa Energy serves a variety of sectors, including healthcare, education, and government, showcasing their ability to adapt to different industry needs. The company is also involved in community initiatives, such as disaster relief efforts, reflecting a commitment to social responsibility. With a workforce of over 600 employees, Mesa Energy is well-equipped to handle complex projects and deliver customized solutions that enhance operational efficiency and reduce energy costs.

15. Blue Mountain Construction Services

• Website: bluemountainair.net
• Ownership type: Family Owned
• Headquarters: Vacaville, California, United States (USA)
• Employee distribution: United States (USA) 92%, Canada 4%, India 4%
• Founded year: 1981
• Headcount: 501-1000
• LinkedIn: blue-mountain-construction-services-inc

Blue Mountain Construction Services, Inc. is a family-owned company based in Vacaville, California, specializing in HVAC and general contracting services since its inception in 1981. The firm focuses on the installation and maintenance of HVAC systems, serving a clientele that includes homeowners and property managers. They are particularly active in the construction of residential and assisted living facilities, ensuring that their HVAC solutions meet the specific needs of these environments. With a workforce of approximately 105 employees, Blue Mountain is dedicated to enhancing the quality of life for its customers while promoting energy efficiency. Their commitment to community involvement is evident through their support of various local organizations and charities, reflecting a broader responsibility beyond mere business operations. The company has built a reputation for reliability and quality, making it a trusted partner for many in the region.

16. Cool Air Solutions, Inc

• Website: coolairsolutions.com
• Ownership type: Private
• Headquarters: Murrieta, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: cool-air-solutions-inc

Cool Air Solutions, Inc. is an HVAC service provider based in Murrieta, California, specializing in air conditioning, heating, plumbing, and indoor air quality solutions. Since its inception in 2006, the company has catered to both residential and commercial clients across Southern California, particularly in San Diego, Riverside, and Orange Counties. With a team of 21 employees, Cool Air Solutions emphasizes quality service and customer satisfaction, as reflected in their impressive 4.9-star rating from over 2,800 reviews. They offer a range of services, including emergency repairs, routine maintenance, and energy efficiency assessments. The company is also certified by Southern California Edison and San Diego Gas Electric, ensuring that their technicians are well-trained and knowledgeable in the latest HVAC technologies and practices. Their proactive approach to customer care, including a Comfort Club membership for regular maintenance, showcases their dedication to improving indoor environments and reducing carbon footprints.

17. Bay Air Systems

• Website: bayairsystems.com
• Ownership type: Family Owned
• Headquarters: Concord, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: bay-air-systems

Bay Air Systems, based in Concord, California, is a family-owned HVAC service company that has been operational since 1981. With a workforce of approximately 44 employees, the company specializes in providing HVAC solutions tailored for commercial and industrial clients across California. Over the years, Bay Air has developed a reputation for delivering reliable and efficient heating and cooling systems, ensuring that businesses can maintain optimal operational environments. The company has successfully navigated various market challenges, including the financial crisis of 2008, by refocusing its services to meet the evolving needs of its clients. Their mission centers on building confidence with customers through a commitment to respect, responsiveness, and resolve. Bay Air Systems operates with a culture that encourages employee engagement and accountability, allowing them to maintain high service standards while offering competitive pricing. They have established long-term partnerships with notable clients and continue to expand their service offerings to meet the demands of the commercial sector.

18. Veteran Air

• Website: veteranairusa.net
• Ownership type: Private
• Headquarters: Anaheim, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: veteran-airusa

Veteran Air, founded in 2009 and based in Anaheim, California, is a private HVAC service provider specializing in air conditioning and heating solutions. The company caters to both residential and commercial clients, ensuring comfort and air quality in various environments. With a workforce of approximately 29 employees, Veteran Air prides itself on its commitment to quality, dependability, and exceptional customer service. The company has established itself as one of the highest-rated HVAC providers in Orange County, California, and has recently expanded its services to Texas, particularly in the San Antonio area. Veteran Air is owned and operated by veterans, which adds a unique aspect to their brand identity. Their service offerings include installation, maintenance, and repair of heating and cooling systems, along with a membership program that provides customers with discounts and priority service. This focus on customer satisfaction and community involvement further solidifies their standing in the HVAC industry.

19. Specialized Mechanical

• Website: specializedhvac.com
• Ownership type: Private
• Headquarters: San Marcos, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 1-10
• LinkedIn: specialized-mechanical

Specialized Mechanical is an HVAC service provider based in San Marcos, California, specializing in heating and cooling solutions. Established in 2007, the company caters to both residential and commercial customers, offering services such as installation, repair, and maintenance of air conditioning and heating systems. Their offerings include advanced technologies like ductless AC systems, smart thermostats, and indoor air quality solutions. The company prides itself on its highly trained technicians, who are factory-trained and NATE certified, ensuring that they are equipped with the latest industry knowledge and skills. With a strong focus on customer satisfaction, Specialized Mechanical has garnered a reputation for reliability and quality service in the North San Diego County area.

20. LOVAZZANO HVAC, Inc.

• Website: lhvaci.com
• Ownership type: Private
• Headquarters: Hayward, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: lovazzano-hvac-inc

LOVAZZANO HVAC, Inc. is an HVAC contractor based in Hayward, California, specializing in heating, ventilation, and air conditioning services for both residential and commercial buildings. Established in 2010, the company has built a reputation for quality and customer satisfaction. They offer a range of services including pre-construction, design-build, and construction, ensuring that each project is tailored to meet the unique needs of their clients. Their clientele primarily consists of general contractors and property developers, who rely on Lovazzano for dependable HVAC solutions. The company prides itself on its collaborative approach, working closely with clients, engineers, and architects to ensure efficient project execution. With a team of experienced professionals, Lovazzano HVAC is dedicated to delivering high-quality systems and maintaining strong relationships with their partners. Their commitment to excellence is reflected in the positive feedback from clients, who appreciate their proactive communication and attention to detail throughout the project lifecycle.

21. Aliso Air, INC

• Website: alisoair.com
• Ownership type: Private
• Headquarters: Rancho Santa Margarita, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: aliso-air-inc

Aliso Air, INC, based in Rancho Santa Margarita, California, is a private heating and air conditioning service company that has been operational since 1987. With a workforce of approximately 35 employees, the company specializes in the installation, repair, and maintenance of HVAC systems for both residential and commercial customers. Aliso Air serves a broad geographic area, including Orange County, Riverside County, and San Bernardino County. Over the years, they have built a reputation for quality service and craftsmanship, having serviced over 50,000 homes through contracts with land developers and homebuilders. Their service offerings include HVAC tune-ups, emergency repairs, and maintenance plans, ensuring that clients receive comprehensive support for their climate control needs. Aliso Air is committed to staying current with industry standards and technologies, which positions them well within the HVAC market.

22. Peterson Mechanical Inc

• Website: petersonmechanical.com
• Ownership type: Family Owned
• Headquarters: Sonoma, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1915
• Headcount: 51-200
• LinkedIn: peterson-mechanical-inc

Peterson Mechanical Inc, based in Sonoma, California, is a family-owned mechanical contractor that has been serving the Bay Area since 1915. The company specializes in HVAC, plumbing, and refrigeration services, providing comprehensive installation, maintenance, and repair solutions for both residential and commercial clients. With a workforce of approximately 85 employees, Peterson Mechanical is equipped to handle projects across various sectors, including healthcare, education, technology, and hospitality. Their commitment to quality and safety is evident in their operational practices, ensuring customer comfort and system efficiency. The company also emphasizes modern engineering techniques, offering design-build and preconstruction services, which enhance their project delivery capabilities. Peterson Mechanical's long-standing presence in the industry and their focus on customer relationships position them as a reliable choice for HVAC services in Northern California.

23. Absolute Airflow Heating, Air and Plumbing

• Website: absoluteairflow.com
• Ownership type: Private
• Headquarters: Westminster, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2022
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: absolute-airflow-heating-air-and-plumbing

Absolute Airflow Heating, Air and Plumbing is a private service company based in Westminster, California, specializing in HVAC and plumbing solutions. Established in 2018, the company has quickly gained a foothold in the Southern California market, providing essential services to homeowners. Their offerings include air conditioning repair, heating installation, and comprehensive plumbing maintenance. Absolute Airflow emphasizes reliability and efficiency, aiming to ensure customer comfort and satisfaction. The company operates with a team of skilled technicians who are trained to handle various HVAC and plumbing issues, reinforcing their commitment to quality service. They also provide financing options to make their services more accessible to clients. With a focus on customer service and a growing presence in the industry, Absolute Airflow is positioned as a noteworthy player in the HVAC sector.

24. Precise Air Systems Inc

• Website: preciseairsystems.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: precise-air-systems-inc

Precise Air Systems Inc, based in Los Angeles, California, has been a significant player in the HVAC industry since its inception in 1987. The company specializes in a wide array of services, including air conditioning and heating repair, installation, and maintenance, as well as solutions for indoor air quality. They cater to both residential and commercial clients, ensuring comfortable and efficient indoor environments. With a team of skilled technicians, Precise Air Systems emphasizes ongoing training to keep pace with technological advancements and regulatory changes in the HVAC sector. Their reputation is bolstered by positive customer feedback and their status as the largest Mitsubishi dealer in LA County, showcasing their expertise in ductless HVAC systems. The company operates without external funding, relying on its operational capabilities and customer relationships to sustain growth and service delivery.

25. Service Champions Plumbing, Heating & AC

• Website: servicechampions.com
• Ownership type: Private Equity
• Headquarters: Brea, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2021
• Founded year: 2000
• Headcount: 201-500
• LinkedIn: service-champions-southern-california

Service Champions Plumbing, Heating & AC, based in Brea, California, has been serving the Southern California area since its inception in 2000. The company specializes in residential plumbing and HVAC services, offering a comprehensive suite of solutions that includes air conditioning installation, heating maintenance, plumbing repairs, and air quality improvement. With a workforce of approximately 238 employees, Service Champions prides itself on delivering high-quality service backed by a customer satisfaction guarantee. Their technicians undergo extensive training, ensuring they are well-equipped to handle various HVAC systems and plumbing needs. The company has garnered thousands of positive reviews, reflecting its commitment to customer service and community involvement. Service Champions operates across several counties, including Orange, Los Angeles, Riverside, and San Bernardino, making it a prominent choice for homeowners in the region.

HVAC Insights: Key Companies in California

Company	Headquarter	Size	Founded	Ownership
CoolSys - Refrigeration and HVAC Systems	Brea, California, United States (USA)	1001-5000	2015	Private Equity
Air-Tro, Inc.	Monrovia, California, United States (USA)	51-200	1969	Private
Brody Pennell Heating & Air Conditioning	Los Angeles, California, United States (USA)	51-200	1945	Private
Home Comfort USA	Anaheim, California, United States (USA)	51-200	2013	Family Owned
Breeze Air Conditioning	Palm Desert, California, United States (USA)	11-50	1980	Private
Bell Brothers Plumbing, Heating and Air Conditioning	Elk Grove, California, United States (USA)	201-500	1991	Corporate
Moore Home Services HVAC	Santa Rosa, California, United States (USA)	51-200	2009	Private Equity
Patriot Air Systems, Inc.	Camarillo, California, United States (USA)	11-50	2011	Private
Christian Brothers Mechanical Services	Jurupa Valley, California, United States (USA)	201-500	1985	Family Owned
Western Allied Mechanical	Union, California, United States (USA)	51-200	1961	Family Owned
Air-tec	Carson, California, United States (USA)	201-500	1969	Private
ACCO Engineered Systems	Pasadena, California, United States (USA)	5001-10000	1934	Private
Ace Plumbing, Heating & Air Conditioning	Sacramento, California, United States (USA)	11-50	1971	Family Owned
EMCOR Services Mesa Energy	Irvine, California, United States (USA)	501-1000	1983	Private
Blue Mountain Construction Services	Vacaville, California, United States (USA)	501-1000	1981	Family Owned
Cool Air Solutions, Inc	Murrieta, California, United States (USA)	11-50	2006	Private
Bay Air Systems	Concord, California, United States (USA)	51-200	1981	Family Owned
Veteran Air	Anaheim, California, United States (USA)	11-50	2009	Private
Specialized Mechanical	San Marcos, California, United States (USA)	1-10	2007	Private
LOVAZZANO HVAC, Inc.	Hayward, California, United States (USA)	201-500	2010	Private
Aliso Air, INC	Rancho Santa Margarita, California, United States (USA)	51-200	1987	Private
Peterson Mechanical Inc	Sonoma, California, United States (USA)	51-200	1915	Family Owned
Absolute Airflow Heating, Air and Plumbing	Westminster, California, United States (USA)	51-200	2018	Private
Precise Air Systems Inc	Los Angeles, California, United States (USA)	51-200	1987	Private
Service Champions Plumbing, Heating & AC	Brea, California, United States (USA)	201-500	2000	Private Equity

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