NADI Airtechnics

What NADI Airtechnics does

NADI Airtechnics Pvt. Ltd. is an Indian-based custom industrial fan and blower manufacturer founded in 1955 (originally as National Agricultural and Diesel Industries) and headquartered in Madhavaram, Chennai, with its 100,000+ sq.ft manufacturing facility in Ponneri, Tamil Nadu. The company designs, manufactures, and supplies axial fans, centrifugal fans, plug fans, jet fans, heavy blowers, and specialized railway fans - including alternator blowers, centrifugal exhaust blowers, exhaust diffusers, and RTTM blowers - built from mild steel, high tensile steel, stainless steel (duplex), aircraft-grade aluminium, rubber-lined, FRP-lined, and spark-proof materials for harsh industrial environments (high temperature, humidity, dust, corrosive atmospheres). Technology is anchored on FEA-driven design, custom engineering for each order, full-load pre-deployment testing up to 600 KW, vibration/noise/overspeed testing, and weld-free flanged housings; it is enhanced by long-running technology collaborations with Enercon (Germany, since 1985), Elta Fans (UK, since 1990), Titan Fans (Australia, since 1992), and a former 2004-2013 joint venture with Twin City Fans (USA). The company is certified to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, EN ISO 3834, EN 15085-2 CL1 (railway welding), and AAR (Association of American Railroads) via TÜV Rheinland and TÜV NORD GROUP.

The company serves five primary industrial verticals: Railway and Marine (locomotive and marine ventilation, certified for safety-critical applications), Automotive (paint shop ventilation, dust collection, fume extraction), Power Generation (nuclear, hydro, and thermal power stations), Process Industry (cement, chemicals, fertilizers, steel, furnace/boiler draft, pneumatic conveying), and HVAC (commercial/industrial ventilation, smoke vents, VAV systems). It also offers an aftermarket services stack (Remote Support, Field Support, Spare Parts, Repair Service, Preventive Maintenance, Training Support) delivered through the PowerCare program and the Nadisuite digital platform, with the Nadi SalesApp providing mobile customer engagement.

NADI operates a B2B enterprise field-sales model with custom quotation-based pricing, multi-year service contracts, and a distribution footprint comprising direct regional sales offices (Chennai HQ, Kolkata, Navi Mumbai), a wholly-owned US subsidiary (NADI Airtechnics U.S. LLC in Carol Stream, IL), and an India-wide manufacturer representative network spanning Bhopal, Chhattisgarh, Gujarat, Karnataka, Nagpur, New Delhi, Pune, Varanasi, and Visakhapatnam. Following completion of the Systemair AB (Sweden) acquisition on August 11, 2025, the company is now a wholly-owned subsidiary operating under the Systemair corporate umbrella, with the deal specifically framed as an enhancement of Systemair's industrial fan expertise and product range.

Name

NADI Airtechnics

Legal name

Nadi Airtechnics Pvt. Ltd.

Website

https://nadiindia.com

Company type

Private

Founded year

1955

Operating status

Acquired

Headcount range

101–250 employees

Short description

NADI Airtechnics is an India-based custom industrial fan and blower manufacturer serving railways, automotive, power generation, process industries, and HVAC. Founded in 1955 and acquired by Sweden's Systemair AB in August 2025, the company operates a 100,000+ sq.ft manufacturing facility in Tamil Nadu with AAR, EN 15085, and ISO certifications.

Ownership category

akta.pro rank

Product category

Industrial Fans and Blowers Manufacturing

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB)

Keywords

• Industrial fans
• Centrifugal blowers
• Axial fans
• Railway ventilation
• Air pollution control

Headquarters

HQ city

Madhavaram

HQ country

India

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Infrastructure, Supply Chain, Technology or R&D, Marketing or Sales

Revenue model

1. Industrial Fan Sales: Direct sales of custom-engineered industrial fans, blowers, and ventilation systems to industrial customers. Products include axial fans, centrifugal fans, plug fans, and railway fans for diverse applications. Revenue is project-based with custom orders.
2. Aftermarket Services: Comprehensive service offerings including spare parts, repair services, preventive maintenance, field support, remote support, and training. Serviced through PowerCare program and Nadisuite digital platform.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

NADI Airtechnics designs, manufactures, and supplies custom-engineered industrial fans and blowers (axial fans, centrifugal fans, plug fans, jet fans, and railway fans) for industrial customers across railways, automotive, power generation, and process industries. Each fan is individually designed and built to customer specifications for harsh environments including high temperatures, humidity, dust, and corrosive conditions. The company complements its product portfolio with after-sales services including spare parts, repair, preventive maintenance, field support, remote support, and training through its PowerCare program.

Product overview

NADI Airtechnics is a manufacturer and exporter of industrial fans and blowers with over 70 years of experience. The company offers a comprehensive portfolio of products organized into five core product categories: Axial Fans (including adjustable pitch blades, smoke vents, WBA design, and general axial fans), Centrifugal Fans (including backward curved swing out blowers, stainless steel blowers, and medium/low/high pressure variants), Railway Fans (including alternator blowers, exhaust blowers, exhaust diffusers, and RTTM blowers for locomotives), Plug Fans (for industrial applications), and Jet Fans (for ventilation systems). Additionally, the company provides a suite of after-sales services including Remote Support, Field Support, Spare Parts, Repair Services, Maintenance Services, and Training Support. All products are manufactured at the company's state-of-the-art facility in Chennai, India.

Differentiator

Problem solved

Functional benefit

Products and services

• Axial Fans Axial fans designed for commercial and industrial ventilation in hot, humid, dusty, and corrosive environments, offered in multiple series including adjustable pitch blades, smoke vents, WBA design, and general axial fans across a wide range of mechanical designs for various applications.
• Centrifugal Fans Centrifugal fans fabricated in mild steel, high tensile steel, stainless steel (duplex), aircraft grade aluminium, rubber lined, FRP lined, and spark-proof constructions to cover a large spectrum of industrial applications including air pollution control, fume extraction, dust collection, and HVAC.
• Railway Fans Rugged axial and radial fans specifically designed for diesel and electric locomotives, including alternator blowers, centrifugal exhaust blowers, exhaust diffusers, and RTTM blowers for rail industry applications, certified for AAR and EN 15085 weld standards.
• Plug Fans Robust plug fans engineered for industrial applications, designed for reliability and durability with high-temperature and ambient temperature variants available.
• Jet Fans Jet Fan Ventilation Systems designed for supplying natural flow between supply air and extract air zones, providing ability to ventilate and extract smoke without ducts.
• Heavy Blowers Industrial blowers designed for heavy-duty applications in various industrial environments.
• Remote Support Service Technical remote support services across the globe for product-related queries with short response time, provided through the PowerCare program.
• Field Support Service On-site support services with certified technical engineers having expertise in products and applications.
• Spare Parts Genuine spare parts for NADI products that are compatible and improve overall system durability.
• Repair Service Comprehensive repair services for NADI products with a vast network of highly trained professionals for on-site repairs.
• Preventive Maintenance Service Preventive maintenance service with short response time ensuring product durability throughout its lifecycle.
• Training Support Service Training support including user manuals for installation and operation, digital guidance through installation process, and on-site service engineer support.

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core.

• Systemair ABcoreStrategic or Co-development Partner · 11 August 2025Systemair AB completed acquisition of NADI Airtechnics Ltd. on August 11, 2025. The acquisition aims to enhance Systemair's industrial fan expertise and product range. Systemair is a Swedish ventilation manufacturer.
• Twin City Fans Companies (USA)coreTechnology or Integration · 1 January 2004Joint venture from 2004 to 2013. Company was briefly known as TCF-NADI Industrial Fans Pvt. Ltd. during this period. Kamdar family bought over the shares of TCF in March 2013 and company reverted to original name.
• Elta Fans (UK)coreTechnology or Integration · 1 January 1990Collaboration starting 1990 to incorporate axial impellers of adjustable pitch blades. This association continued as they meet customer requirements for high efficiency axial fans for various applications.
• Enercon (Germany)coreTechnology or Integration · 1 January 1985Technical collaboration starting 1985 to manufacture high efficiency fans according to European design. The new product range was an instant success with the process, boiler and furnace manufacturing industry.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Cincinnati Fan: US manufacturer of industrial fans, blowers, and exhaust equipment for OEM and industrial markets. Comparable in centrifugal, axial, and plug fan offerings with similar custom-engineering orientation.
• Elta Fans: UK-based designer and manufacturer of axial and centrifugal fans, long-time technology partner of NADI since 1990. Comparable product portfolio targeting commercial, industrial, and process ventilation.
• FläktGroup: European supplier of air management solutions including industrial fans, AHUs, and air-handling systems for data centers, healthcare, and industrial customers. Overlaps with NADI on heavy-duty industrial fans and HVAC applications.
• Howden: Global manufacturer of industrial fans, blowers, and compressors serving power, mining, metals, and process industries. Direct competitor to NADI in heavy-duty centrifugal and axial fans for harsh industrial environments.
• Twin City Fans: US-based manufacturer of industrial fans and blowers, former JV partner with NADI from 2004-2013. Competes head-on in centrifugal, axial, and plug fans for HVAC, process, and industrial markets.
• Greenheck Group: US manufacturer of air movement, control, and conditioning equipment serving commercial, industrial, and institutional markets. Direct peer in centrifugal and axial fans, kitchen ventilation, and laboratory exhaust.

Emerging players

• ebm-papst: German-headquartered global leader in fans and motors with strong focus on energy-efficient EC technology. Increasingly competing in industrial and HVAC fan segments where NADI operates.

Broad incumbents

• Loren Cook Company: US-based broad manufacturer of air-moving equipment including fans, blowers, and laboratory exhaust. Competes in commercial/industrial ventilation with a wider product portfolio than NADI's industrial focus.
• Systemair AB: Swedish-listed ventilation company and NADI's parent since August 2025. Operates a broad portfolio of fans, AHUs, and air distribution products across commercial and industrial segments globally.

Regional players

• Airtech Engineers: Indian industrial fan and blower manufacturer serving domestic process and HVAC markets. Regional peer competing with NADI in India on centrifugal and axial fans.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

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Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about NADI Airtechnics