Top 10 HVAC Commercial Companies in the US | 2025 Updated List

There is a vast amount of HVAC commercial companies in today’s market, and it has never been easier to source your systems and components from just about anywhere.

Commercial environments represent some of the most challenging HVAC deployment conditions that you can encounter.

There is a constant balance between equipment capability, automation and a variety of potential unique requirements within each individual facility.

Adding to this complexity are emerging requirements for cleaner and more efficient energy usage which can challenge existing industry practices and methods. 

One of the best ways to find the best hvac commercial companies for your unique needs is to evaluate the offerings from the industry leaders.

With this info, you can more easily sift through quality, service, and locations to find the right company to buy commercial hvac equipments from.

Here is a list of the top 10 HVAC commercial companies that will give you a comprehensive overview of the equipment and systems that are available.

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Top 10 HVAC Commercial Companies in the US

1. Siemens Building Technologies

  • Revenue in USD Mn: 1403.04
  • Market Share: 5.40%
  • Employees in number in the USA: 5740

Siemens is one of the largest global conglomerates in the electrical and automation industry, offering a wide range of innovative solutions across various sectors.

With a dedicated division for building technologies, Siemens provides advanced HVAC solutions tailored to meet the demands of the U.S. market.

Their cutting-edge technology enhances energy efficiency, improves building performance, and ensures sustainable operations.

In addition to its industry-leading products, Siemens also invests in education and training through its BT University.

This initiative aims to equip customers and professionals with the necessary knowledge and skills to optimize HVAC systems and improve energy efficiency.

By combining technological expertise with comprehensive training programs, Siemens continues to be a trusted partner in smart building solutions and sustainable energy management.

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2. Goodman

  • Revenue in USD Mn: 1822.38
  • Market Share: 7.09%
  • Employees in number in the USA: 3,413

Founded in 1975 in Houston, Texas, Goodman has been a leading provider of high-quality HVAC products across the United States and international markets.

The company is known for its reliable and energy-efficient heating and cooling systems, catering to both residential and commercial consumers.

Goodman’s state-of-the-art manufacturing facilities are located in Waller County, Texas, covering an impressive 4.23 million square feet.

This large-scale operation allows the company to maintain strict quality control, ensuring durable and cost-effective HVAC solutions.

With a commitment to innovation and customer satisfaction, Goodman continues to be a trusted brand in the HVAC industry.

3. Rheem

  • Revenue in USD Mn: 2450.06
  • Market Share: 4.00%
  • Employees in number in the USA: 7000

Rheem Manufacturing Company traces its origins back to 1925, when its founders initially ventured into the packaging business.

Over the decades, Rheem has grown into one of the largest manufacturers of HVAC equipment in the United States, offering a wide range of heating, cooling, and water heating solutions.

Rheem is a subsidiary of Paloma Industries and also owns Ruud, a well-established HVAC brand with a 100-year legacy.

Known for its innovation, energy efficiency, and durability, Rheem continues to be a trusted name in the industry, providing high-quality HVAC solutions for residential and commercial applications.

4. Trane Inc.

  • Revenue in USD Mn: 2576.81
  • Market Share: 6.70%
  • Employees in number in the USA: 7404

Trane Inc. is one of the leading global HVAC commercial companies, operating in 28 countries and maintaining a strong presence in the U.S. market.

The company provides a comprehensive range of heating, ventilation, and air conditioning solutions for both residential and commercial customers.

Trane has built a reputation for quality, reliability, and energy efficiency, making it a top choice for consumers seeking innovative HVAC systems.

Its commitment to cutting-edge technology and sustainability has earned Trane recognition as the most trusted HVAC brand by LifeStory Research, further solidifying its status as a dominant player in the industry.

5. Lennox International

  • Revenue in USD Mn: 3641.60
  • Market Share: 6.00%
  • Employees in number in the USA: 10000

Lennox International is a well-established American HVAC brand with a legacy dating back to 1895. The company specializes in residential and commercial HVAC solutions, as well as refrigeration systems, making it a trusted name in the industry.

With a strong focus on innovation and energy efficiency, Lennox provides cutting-edge climate control solutions tailored to the needs of homeowners and businesses.

Notably, 90% of its revenue comes from the American market, reinforcing its dominance and reliability in the U.S. HVAC industry.

6. Johnson Control

  • Revenue in USD Mn: 4687.00
  • Market Share: 9.00%
  • Employees in number in the USA: 20637

Johnson Controls ranks 6th among the largest HVAC commercial companies in the USA and is a global powerhouse in the HVAC and building automation industry.

With operations in over 150 countries and a workforce of more than 130,000 employees worldwide, Johnson Controls plays a significant role in energy-efficient HVAC solutions for both residential and commercial applications.

In 2016, it stood among the top revenue-generating companies in the industry, competing closely with the market leaders.

While it is now best known for its HVAC, fire protection, and security systems, Johnson Controls has a diverse history—having even manufactured automobiles in the early 1900s.

The company continues to innovate in smart building technology, integrating AI-driven climate control solutions to improve energy efficiency and sustainability.

Its global footprint and commitment to cutting-edge HVAC advancements make Johnson Controls a dominant force in the USA and beyond.

7. Daikin Industries

  • Revenue in USD Mn: 3865.22
  • Market Share: 15.00%
  • Employees in number in the USA: 16512

Daikin Industries, the world’s largest HVAC company, ranks 7th on our list of largest HVAC commercial companies in the USA. While it leads globally, it trails behind other top competitors in U.S. market revenue and overall market share.

Daikin entered the U.S. market relatively recently but has quickly made a strong impact, capturing approximately 15% of the market, including its subsidiaries like Goodman and Amana.

The company’s innovative energy-efficient solutions, focus on inverter technology, and commitment to sustainability have helped it gain a strong foothold in the competitive American HVAC industry.

With a focus on residential, commercial, and industrial HVAC solutions, Daikin continues to expand its U.S. presence, investing in cutting-edge technology and manufacturing facilities to challenge industry leaders.

Its rapid growth and commitment to superior climate control solutions make it a formidable competitor in the North American market.

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8. Carrier

  • Revenue in USD Mn: 4380.58
  • Market Share: 17.00%
  • Employees in Number in the USA: 27,500

Though Carrier is not the oldest HVAC company on our list, it holds a historic significance in the industry as the pioneer of modern air conditioning for buildings.

Founded by Willis Carrier in 1915, the company revolutionized cooling technology and played a key role in shaping the HVAC industry as we know it today.

At one point, Carrier was one ofthe largest HVAC commercial companies in the world. While it no longer holds that title, it continues to be a dominant player in the U.S. market, securing a top three position on our list.

Carrier specializes in residential, commercial, and industrial HVAC solutions, focusing on energy-efficient technologies and smart climate control systems.

The company remains at the forefront of innovation, investing in sustainable cooling and environmentally friendly refrigerants.

With its strong market presence and legacy of excellence, Carrier continues to shape the future of HVAC in the USA and beyond.

9. Ingersoll Rand

  • Revenue in USD Mn: 6865.20
  • Market Share: 10.00%
  • Employees in number in the USA: 22869

Ingersoll Rand is a leading HVAC company known for its strong, diversified business model and a portfolio of powerful brands, including Trane and Thermo King.

These brands have established a strong reputation for providing high-quality heating, ventilation, and air conditioning solutions for residential, commercial, and industrial markets.

What sets Ingersoll Rand apart is its commitment to corporate responsibility. It was the only company on our list to be featured in Fortune 500’s “The Just 100: America’s Best Corporate Citizens”, a recognition of its ethical business practices, environmental sustainability, and positive impact on society.

With a focus on innovation, energy-efficient solutions, and a global presence, Ingersoll Rand remains one of the top HVAC companies in the USA, continually adapting to the evolving needs of the industry while upholding its corporate values.

10. United Technologies

  • Revenue in USD Mn: 6308.30
  • Market Share: 14.81%
  • Employees in number in the USA: 1460.5

United Technologies Corporation (UTC) takes the 10th spot among the 10 largest HVAC commercial companies in the USA. This global conglomerate has successfully ventured into various innovative businesses, building a strong market presence across multiple industries.

UTC owns Pratt & Whitney, a leader in aerospace propulsion, Otis, a global giant in elevator and escalator manufacturing, and Carrier Air Conditioning, a pioneer in modern air conditioning solutions.

With high revenues and significant market share, UTC’s diversified portfolio strengthens its dominance in the HVAC sector.

Having Carrier under its umbrella further cements its position as an industry leader, driving cutting-edge innovations and sustainable HVAC solutions worldwide.

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How to choose the best HVAC commercial company

Selecting the right HVAC commercial company is crucial for maintaining efficient heating, ventilation, and air conditioning systems. Here are key factors to consider:

  • Experience and Reputation – Look for a company with a strong track record and years of experience in commercial HVAC services. Check customer reviews, testimonials, and references to ensure reliability.
  • Licensing and Certifications – Ensure the company is licensed, insured, and certified by recognized organizations such as NATE (North American Technician Excellence) or ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers).
  • Range of Services – The best companies offer installation, repair, maintenance, and energy efficiency solutions. A full-service provider can handle all HVAC needs without requiring multiple contractors.
  • Energy Efficiency Expertise – Look for a company that provides energy-efficient solutions, such as smart thermostats, high-efficiency HVAC units, and green building technologies to reduce energy costs.
  • Emergency Support and Maintenance Plans – HVAC issues can disrupt business operations. Choose a provider offering 24/7 emergency services and preventive maintenance contracts to keep systems running smoothly.
  • Transparent Pricing and Contracts – Request detailed quotes and compare costs before making a decision. A reputable company will offer fair, transparent pricing with no hidden fees.

By considering these factors, businesses can select a reliable HVAC partner that ensures comfort, efficiency, and long-term savings.

FAQs

What services do commercial HVAC companies offer?

Commercial HVAC companies provide installation, repair, maintenance, and energy efficiency solutions for heating, ventilation, and air conditioning systems in businesses.

How often should a commercial HVAC system be serviced?

It is recommended to service commercial HVAC systems at least twice a year, typically before peak summer and winter seasons, to ensure efficiency and longevity.

What factors should I consider when choosing a commercial HVAC company?

Look for experience, licensing, customer reviews, service offerings, emergency support, and energy-efficient solutions before selecting a provider.

How can I improve my commercial HVAC system’s energy efficiency?

Upgrade to high-efficiency units, install smart thermostats, ensure proper insulation, and schedule regular maintenance to reduce energy costs.

Do commercial HVAC companies offer emergency services?

Many reputable companies provide 24/7 emergency HVAC services to address unexpected breakdowns and minimize business disruptions.

    Conclusion

    Choosing the right HVAC commercial companies from above is crucial for maintaining a comfortable, efficient, and cost-effective environment for your business.

    Look for experience, certifications, customer reviews, and energy-efficient solutions when selecting a company. Regular servicing and modern upgrades can significantly improve performance and longevity.

    Additionally, opting for a company that offers 24/7 emergency support ensures minimal downtime. Investing in a high-quality HVAC service provider not only enhances workplace comfort but also boosts productivity and reduces operational expenses in the long run.

    References

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