Global Non-dispersive Infrared (NDIR) Market Size Study & Forecast, by Gas Type (Carbon Dioxide, Carbon Monoxide, Refrigerant Gases, Hydrocarbons, Ethylene, Acetylene, Sulfur Hexafluoride, Anesthetic Gases, Others) and Application (Monitoring, HVAC, Detec

The Global Non-dispersive Infrared (NDIR) Market is valued at approximately USD 4.92 billion in 2024 and is projected to expand at a CAGR of 6.38% over the forecast period 2025–2035. NDIR sensors are specialized devices designed to detect and measure gas concentrations by analyzing the absorption of infrared light at specific wavelengths, providing precise and reliable monitoring in industrial, environmental, and medical applications. These sensors are widely implemented across sectors for monitoring carbon dioxide, refrigerant gases, carbon monoxide, and other hazardous or industrial gases. The market growth is propelled by rising industrialization, stringent environmental regulations, and growing demand for real-time, high-accuracy gas detection systems, coupled with increasing adoption in HVAC, automotive, and food processing industries.

The increasing emphasis on environmental sustainability and workplace safety has accelerated the deployment of NDIR sensors globally. The need to monitor greenhouse gas emissions and ensure compliance with regulatory standards has intensified, particularly in oil and gas, chemical, and industrial manufacturing sectors. According to market insights, global carbon dioxide emissions monitoring initiatives and industrial safety regulations have created a substantial demand for high-performance NDIR devices. Furthermore, technological advancements such as miniaturization of sensors, integration with IoT-enabled platforms, and improvements in optical detection mechanisms are opening lucrative avenues for market expansion. Nonetheless, high initial investment costs and the complexity of sensor calibration in diverse industrial environments may temper adoption in certain applications over the forecast horizon.

The detailed segments and sub-segments included in the report are:

By Gas Type:
• Carbon Dioxide
• Refrigerant Gases
• Carbon Monoxide
• Ethylene
• Acetylene
• Hydrocarbons
• Sulfur Hexafluoride
• Anesthetic Gases
• Others

By Application:
• Monitoring
• HVAC
• Detection and Analysis

By Component:
• IR Sources
• Optical Filters
• Optical Gas Chamber
• IR Detectors

By Industry:
• Automotive and Transportation
• Oil and Gas
• Industrial and Manufacturing
• Food Processing and Storage
• Chemicals
• Medical
• Environmental
• Others

By Region:

North America
• U.S.
• Canada

Europe
• UK
• Germany
• France
• Italy
• Spain
• Rest of Europe

Asia Pacific
• China
• India
• Japan
• South Korea
• Australia
• Rest of Asia Pacific

Latin America
• Brazil
• Mexico

Middle East & Africa
• UAE
• Saudi Arabia
• South Africa
• Rest of Middle East & Africa

Among the segments, monitoring applications are expected to dominate the market owing to their critical role in environmental safety, industrial process control, and regulatory compliance. Continuous monitoring of carbon dioxide, refrigerant, and other gas emissions across multiple industries ensures operational efficiency, worker safety, and adherence to environmental standards. Simultaneously, HVAC and detection and analysis applications are increasingly being adopted in commercial, medical, and laboratory setups, enhancing market penetration and technological integration.

In terms of revenue contribution, carbon dioxide (CO₂) sensors currently lead the market, attributed to their widespread use in environmental monitoring, industrial processes, and indoor air quality management. The rising global focus on reducing greenhouse gas emissions, coupled with regulatory mandates for continuous CO₂ monitoring, has propelled revenue generation in this segment. Meanwhile, refrigerant gas detection and hydrocarbon monitoring are emerging as high-growth sub-segments, particularly in oil and gas and industrial sectors, highlighting the diverse applications of NDIR technology.

The key regions considered for the Global NDIR Market study include Asia Pacific, North America, Europe, Latin America, and the Middle East & Africa. North America dominated the market in 2025, underpinned by a strong industrial base, advanced technological infrastructure, and early adoption of environmental monitoring systems. Asia Pacific is projected to be the fastest-growing region during the forecast period, driven by industrial expansion, increasing energy demand, and adoption of NDIR sensors in automotive, chemical, and environmental monitoring sectors. Europe continues to witness steady growth, fueled by stringent emission control policies and modernization of industrial and HVAC systems across the region.

Major market players included in this report are:
• Honeywell International Inc.
• Siemens AG
• Dynament Ltd.
• Amphenol Advanced Sensors
• ABB Ltd.
• Figaro Engineering Inc.
• Senseair AB
• Yokogawa Electric Corporation
• General Electric Company
• Panasonic Corporation
• Teledyne Technologies Inc.
• Drägerwerk AG & Co. KGaA
• E+E Elektronik GmbH
• First Sensor AG
• Sensirion AG

Global Non-dispersive Infrared (NDIR) Market Report Scope:
• Historical Data – 2023, 2024
• Base Year for Estimation – 2024
• Forecast period – 2025–2035
• Report Coverage – Revenue forecast, Company Ranking, Competitive Landscape, Growth factors, and Trends
• Regional Scope – North America; Europe; Asia Pacific; Latin America; Middle East & Africa

The objective of the study is to define market sizes of different segments and countries in recent years and to forecast the values for the coming years. The report is designed to incorporate both qualitative and quantitative aspects of the industry within the countries involved in the study. The report also provides detailed information about crucial aspects, such as driving factors and challenges, which will define the future growth of the market. Additionally, it incorporates potential opportunities in micro-markets for stakeholders to invest, along with a detailed analysis of the competitive landscape and product offerings of key players. The detailed segments and sub-segments of the market are explained below:

Key Takeaways:
• Market Estimates & Forecast for 10 years from 2025 to 2035.
• Annualized revenues and regional-level analysis for each market segment.
• Detailed analysis of the geographical landscape with country-level analysis of major regions.
• Competitive landscape with information on major players in the market.
• Analysis of key business strategies and recommendations on future market approach.
• Analysis of the competitive structure of the market.
• Demand side and supply side analysis of the market.

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