Top 10 AHU Manufacturers in India 2025

In the constantly-evolving sector of industrial and commercial infrastructure, maintaining best indoor air quality and temperature is important for comfort, productivity, and energy efficiency.

This is where Air Handling Units (AHU) come into play. An AHU is a critical component of HVAC (Heating, Ventilation, and Air Conditioning) systems, responsible for circulating, filtering, and conditioning the air in buildings.

With several manufacturers filling the market, choosing the right AHU can be quite a challenging task. That's where this blog comes in - "Top 10 AHU Manufacturers in India". This comprehensive guide is to assist architects, engineers, facility managers, and business owners in making reasonable and informed decisions when choosing the best AHU for their particular needs.

By reading this blog, you'll gain insights into:

• The importance of AHUs in maintaining indoor air quality and temperature
• Key factors to consider when selecting an AHU manufacturer
• The top 10 AHU manufacturers in India, their strengths, and product offerings
• How to make an informed decision based on your specific requirements

Further, we have listed the best 10 AHU manufacturers in India and take your first step towards creating a comfortable, efficient, and sustainable indoor environment.

The Top 10 AHU Manufacturers in India are listed below:

1) Daikin India

Leading the way in HVAC Solutions.

Founding Date:

2000 (as a joint venture between Daikin Industries Ltd. and Usha Shriram Enterprises Pvt. Ltd.)

Company Details:

Daikin India Pvt. Ltd. is a leading player in the Indian heating, ventilation, and air conditioning (HVAC) market, with its headquarters in Delhi NCR. As a subsidiary of the global leader Daikin Industries Ltd., Japan, Daikin India leverages cutting-edge technology and expertise to offer innovative HVAC solutions.

Key Products:

- Air Conditioning Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Heat Pumps

- Ventilation Systems

Market Size:

• The Indian HVAC market size is estimated to be around ₹45,000 crores (approximately USD 6 billion) as of 2023.
• Daikin India holds an important market share of around 20-25% in the Indian HVAC market.

Innovation and R&D:

• Daikin India has a dedicated R&D center in Delhi NCR, focusing on developing energy-efficient and environmentally friendly HVAC solutions.
• The company has introduced several innovative products, such as inverter-based air conditioners, VRV (Variable Refrigerant Volume) systems, and air purification systems.

By combining global expertise with local insights, Daikin India has established itself as a leader in the Indian HVAC market, extending its products to be utilized in diverse sectors such as residential, commercial, industrial, and infrastructure.

2) Climate Grip

Pioneering Air Handling Solutions in India

Founding Date:

2005

Company Details:

Climate Grip is a leading Indian manufacturer of air handling units (AHU) and other HVAC equipment, headquartered in Pune, Maharashtra.

With a strong focus on innovation, quality, and customer satisfaction, Climate Grip has established itself as one of the most trusted partners for architects, engineers, and facility managers across various industries.

Key Products

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Air Distribution Systems

- Ventilation Systems

- Customized HVAC Solutions

Market Size

The Indian AHU market size is estimated to be around ₹1,500 crores (approximately USD 200 million) as of 2023.

Climate Grip holds a market share of around 10-12% in the Indian AHU market.

Innovation and R&D:

• Climate Grip invests heavily in research and development, with a dedicated R&D center in Pune.
• The company has introduced several innovative products and features, such as energy-efficient AHU, advanced air filtration systems, and smart controls.

By concentrating on quality, innovation, and customer satisfaction, Climate Grip has become a prominent firm in India's HVAC industry, catering to diverse sectors such as commercial, industrial, healthcare, and hospital

3) Voltas Limited

A Legacy of Cooling Excellence in India

Founding Date:

1954 (as a collaboration between Tata Sons and Volkart Brothers Ltd.)

Company Details:

Voltas Limited is a leading Indian multinational company in the heating, ventilation, and air conditioning (HVAC) industry, with its headquarters in Mumbai, Maharashtra.

As a part of the Tata Group, Voltas Limited has built itself as a trusted brand in India and also, all around the globe.

Key Products:

- Air Conditioning Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Heat Pumps

- Refrigeration Systems

- Ventilation Systems

- Water Treatment Solutions

Market Size:

The Indian AHU market size is estimated to be around ₹1,500 crores (approximately USD 200 million) as of 2023.

Climate Grip holds a market share of around 10-12% in the Indian AHU market.

Innovation and R&D:

• Climate Grip invests heavily in research and development, with a dedicated R&D center in Pune.
• The company has introduced several innovative products and features, such as energy-efficient AHU, advanced air filtration systems, and smart controls.

By concentrating on quality, innovation, and customer satisfaction, Climate Grip has become a prominent firm in India's HVAC industry, catering to diverse sectors such as commercial, industrial, healthcare, and hospital

4) Carrier Air Conditioning & Refrigeration Limited

Founding Date:

1915 (as Carrier Corporation, USA) and 1988 (as Carrier Air conditioning & Refrigeration Limited in India)

Company Details:

Carrier Air Conditioning & Refrigeration Limited is a leading Indian company in the heating, ventilation, and air conditioning (HVAC) industry, with its headquarters in Gurgaon, Haryana.

As a sudiary of Carrier Global Corporation, USA, the company holds over a century of expertise in providing innovative cooling solutions

Key Products:

- Air Conditioning Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Heat Pumps

- Refrigeration Systems

- Ventilation Systems

Market Size:

Carrier Air Conditioning & Refrigeration Limited holds a significant market share of around 18-20% in the Indian HVAC market.

Innovation and R&D:

• The company has a dedicated R&D center in Gurgaon, focusing on developing energy-efficient and environmentally friendly HVAC solutions.
• Carrier has introduced several innovative products, such as inverter-based air conditioners, high-ambient air conditioners, and air purification systems.

With a rich legacy of over a century, Carrier Air Conditioning & Refrigeration Limited continues to lead the Indian HVAC market with its commitment to fulfill its customers expectations with quality and new innovations.

5) Trane Technologies

A Global Leader in Climate Innovation

Founding Date:

1913 (as Trane Company); 2020 (rebranded as Trane Technologies)

Company Details:

Trane Technologies is a global climate innovator, with its headquarters in Swords, Dublin, Ireland. The company is a leading provider of heating, ventilation, and air conditioning (HVAC) systems, as well as transport refrigeration solutions.

Key Products:

- HVAC Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Heat Pumps

- Transport Refrigeration Solutions

- Building Automation Systems

Market Size:

• The global HVAC market size is estimated to be around USD 240 billion as of 2023.
• Trane Technologies holds an important market share of around 12-15% in the global HVAC market.

Innovation and R&D:

• The company invests heavily in research and development, with a focus on sustainable and energy-efficient solutions.
• Trane Technologies has introduced numerous innovative products, such as the Trane Clean Effects air purification system and the Thermo King Magnum Plus transport refrigeration unit.

With a rich legacy of over a century, Trane Technologies continues to lead the global HVAC market with its commitment to innovation with sustainability, and customer satisfaction with quality.

6) Thermax Limited

A Leading Energy and Environment Solutions Provider

Founding Date:

1966

Company Details

Thermax Limited is an Indian multinational company, headquartered in Pune, Maharashtra. Thermax is a leading provider of energy and environment solutions, offering awide range of products and services for heating, cooling, power, and water treatment.

Key Products:

- Heating Systems (Boilers, Thermopacks, and Heat Recovery Systems)

- Cooling Systems (Chillers, Air Handling Units, and Cooling Towers)

- Power Systems (Cogeneration, Biomass, and Waste Heat Recovery)

- Water Treatment Solutions (Wastewater Treatment, Desalination, and Water Recycling)

Market Size:

Thermax Limited holds a market share of around 10-12% in the Indian HVAC market.

Innovation and R&D:

• Thermax has a dedicated R&D center in Pune, focusing on developing sustainable and energy-efficient solutions.
• The company has launched various innovative products lately, such as the Thermax Absorption Chiller and the Thermax Biomass Boiler.

With a rich legacy of over five decades, Thermax Limited continues to lead the Indian HVAC market with its new innovations and sustainability.

7) System-air India

A Leading Provider of Ventilation Solutions

Founding Date:

1974 (as System-air AB, Sweden); 2007 (established in India)

Company Details:

System-air India is a subsidiary of System-air AB, Sweden, and is headquartered in Mumbai, Maharashtra. System-air India is a leading provider of ventilation solutions, offering a range of products and services for air movement, air distribution, and air filtration.

Key Products:

- Fans and Blowers

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Air Distribution Systems

- Air Filtration Systems

- Ventilation Systems

Market Size:

• The Indian ventilation market size is estimated to be around ₹2,500 crores (approximately USD 350 million) as of 2023.
• System-air India holds a market share of around 15-18% in the Indian ventilation market.

Innovation and R&D:

• Thermax has a dedicated R&D center in Pune, focusing on developing sustainable and energy-efficient solutions.
• The company has launched various innovative products lately, such as the Thermax Absorption Chiller and the Thermax Biomass Boiler.

With a rich legacy of over five decades, Thermax Limited continues to lead the Indian HVAC market with its new innovations and sustainability.

8) Hitachi Limited

A Global Leader in Industrial and Technological Solutions

Founding Date:

1910

Company Details:

Hitachi Limited is a Japanese multinational conglomerate company, headquartered in Tokyo, Japan. Hitachi is a leading provider of industrial and technological solutions, offering a various range of products and services in various sectors, including HVAC, construction machinery, energy, transportation, and healthcare.

Key Products (HVAC):

- Air Conditioning Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Heat Pumps

- Ventilation Systems

Market Size:

The global HVAC market size is estimated to be around USD 240 billion as of 2023.

Hitachi Limited holds a market share of around 8-10% in the global HVAC market.

Innovation and R&D:

• Hitachi has a dedicated R&D center in Japan, focusing on developing sustainable and energy-efficient solutions.
• The company has introduced several innovative products, such as the Hitachi Set Free air conditioning system and the Hitachi High-Efficiency Chiller.

With a rich legacy of over a century, Hitachi Limited continues to progress and lead the global HVAC market.

9) Blue Star India

A Leading Provider of Air Conditioning and Refrigeration Solutions.

Founding Date:

1943

Company Details:

Blue Star India is an Indian multinational company, headquartered in Mumbai, Maharashtra. Blue Star is one of the leading providers of air conditioning and refrigeration solutions, offering a wide range of products and services in various sectors, such as commercial, industrial, and residential.

Key Products:

- Air Conditioning Systems (Residential and Commercial)

- Air Handling Units (AHU)

- Fan Coil Units (FCU)

- Chillers

- Refrigeration Systems

- Cold Storage Solutions

Market Size:

Blue Star India holds a market share of around 12-15% in the Indian HVAC market.

Innovation and R&D:

• Blue Star has a dedicated R&D center in Mumbai, focusing on developing energy-efficient and innovative cooling solutions.
• The company has introduced several innovative products, such as the Blue Star Inverter AC and the Blue Star Precision Air Conditioning System.

With a rich legacy of over seven decades, Blue Star India has been an old yet trusted firm the Indian HVAC market.

10)Greenheck India:

A Leading Provider of Air Movement and Control Solutions

Founding Date:

1947 (as Greenheck Fan Corporation, USA); 2011 (established in India)

Company Details:

Greenheck India is a subsidiary of Greenheck Fan Corporation, USA, and is headquartered in Bengaluru, Karnataka. Greenheck India is a leading provider of air movement and control solutions, offering a several products and services in many sectors, including commercial, industrial, and residential.

Key Products:

- Fans and Blowers

- Air Handling Units (AHU)

- Air Distribution Systems

- Ventilation Systems

- Air Filtration Systems

- Louvers and Dampers

Market Size:

The Indian air movement and control market size is estimated to be around ₹1,500 crores (approximately USD 200 million) as of 2023.

Greenheck India holds a market share of around 15-18% in the Indian air movement and control market.

Innovation and R&D:

• Greenheck has a dedicated R&D center in USA, focusing on developing energy-efficient and innovative air movement solutions.
• The company has introduced various innovative products, such as the Greenheck Vari-Green EC Fan and the Greenheck RV Series Air Handler.

With a legacy of over seven decades, Greenheck India continues to lead the Indian air movement and control market.

Conclusion

The Indian air handling unit (AHU) market is a hub of innovation and excellence, driven by top-notch manufacturers who prioritize quality, efficiency, and sustainability.
Our top 10 list showcases the best of the best AHU manufacturers in India, each delivering exceptional products and services that cater to diverse industry needs.
From healthcare to hospitality, these manufacturers are revolutionizing indoor air quality and comfort, making them the backbone of India's infrastructure development. Their commitment to excellence sets a benchmark for the industry, ensuring a healthier and more comfortable tomorrow.