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    CO2 Gas Sensor Market

    ID: MRFR/SEM/27103-HCR
    100 Pages
    Aarti Dhapte
    October 2025

    CO2 Gas Sensor Market Research Report: By Type (Portable, Fixed), By Output Signal (Analogue, Digital), By Accuracy (High Accuracy, Medium Accuracy, Low Accuracy), By Technology (Nondispersive Infrared (NDIR) Sensors, Electrochemical Sensors, Solid State Sensors), By Application (Industrial, Energy and Power, Food and Beverage, HVAC, Healthcare) and By Region (North America, Europe, South America, Asia Pacific, Middle East and Africa)- Forecast to 2035.

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    CO2 Gas Sensor Market Infographic
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    CO2 Gas Sensor Market Summary

    The Global CO2 Gas Sensor Market is projected to grow from 1.44 USD Billion in 2024 to 3.48 USD Billion by 2035, reflecting a robust growth trajectory.

    Key Market Trends & Highlights

    CO2 Gas Sensor Key Trends and Highlights

    • The market is expected to achieve a compound annual growth rate (CAGR) of 8.42% from 2025 to 2035.
    • By 2035, the market valuation is anticipated to reach 3.48 USD Billion, indicating substantial growth potential.
    • in 2024, the market is valued at 1.44 USD Billion, laying a strong foundation for future expansion.
    • Growing adoption of CO2 gas sensors due to increasing environmental regulations is a major market driver.

    Market Size & Forecast

    2024 Market Size 1.44 (USD Billion)
    2035 Market Size 3.48 (USD Billion)
    CAGR (2025-2035) 8.37%

    Major Players

    Sensirion AG, General Electric (GE), CTS Corporation, Siemens AG, MEMSCAP SA, Alphasense Ltd, Robert Bosch GmbH, Drägerwerk AG & Co. KGaA, TE Connectivity Ltd., E2V Technologies, Honeywell International, Inc., Figaro International, Inc., Amphenol Corporation, Vaisala Corporation, Yokogawa Electric Corporation, City Technology Ltd

    CO2 Gas Sensor Market Trends

    The surging demand for air quality monitoring in indoor environments, particularly in residential, commercial, and industrial settings, drives the CO2 Gas Sensor Market. Concerns over potential health risks associated with elevated CO2 levels have heightened awareness, leading to increased adoption of monitoring systems. Moreover, the growing adoption of smart home technologies and IoT devices has further contributed to market growth.

    Emerging trends in wireless sensor technology provide growth opportunities for the CO2 gas sensor market. The development of low-power, long-range wireless sensors make it easier to implement extensive monitoring networks in large buildings and remote locations. Additionally, the integration of AI and machine learning algorithms enhances sensor data analysis, enabling more accurate detection and prediction of CO2 levels.

    Miniaturization and cost reduction are significant trends in the CO2 gas sensor market. Advances in semiconductor technology have facilitated the development of smaller, more compact sensors, making them suitable for integration into a wide range of devices. Furthermore, the increasing availability of low-cost sensors has expanded the market's accessibility and enabled broader deployment.

    The increasing emphasis on environmental sustainability and air quality monitoring is driving the demand for advanced CO2 gas sensors across various sectors, reflecting a broader commitment to public health and safety.

    U.S. Environmental Protection Agency

    CO2 Gas Sensor Market Drivers

    Market Growth Projections

    Increasing Environmental Regulations

    The Global CO2 Gas Sensor Market Industry is experiencing growth due to the rise in environmental regulations aimed at reducing carbon emissions. Governments worldwide are implementing stricter policies to monitor and control CO2 levels, which necessitates the deployment of advanced gas sensors. For instance, the European Union has established regulations that require continuous monitoring of greenhouse gases in various sectors. This regulatory landscape is expected to drive the demand for CO2 sensors, as industries seek compliance and strive to minimize their environmental impact. As a result, the market is projected to reach 1.43 USD Billion in 2024, reflecting a growing commitment to sustainability.

    Growing Awareness of Indoor Air Quality

    The increasing awareness regarding indoor air quality is significantly influencing the Global CO2 Gas Sensor Market Industry. As individuals become more conscious of the health impacts associated with poor air quality, there is a rising demand for CO2 sensors in residential and commercial spaces. These sensors help monitor CO2 levels, ensuring adequate ventilation and promoting healthier living environments. For instance, schools and offices are increasingly adopting CO2 monitoring systems to enhance air quality and occupant comfort. This trend is expected to contribute to the market's growth, with projections indicating a rise to 3.48 USD Billion by 2035 as more entities prioritize air quality management.

    Expansion of Smart Building Technologies

    The expansion of smart building technologies is driving the Global CO2 Gas Sensor Market Industry as more buildings incorporate automation and energy management systems. Smart buildings utilize CO2 sensors to optimize ventilation and energy consumption, thereby enhancing operational efficiency. For example, integrating CO2 sensors with HVAC systems allows for real-time adjustments based on occupancy levels, leading to significant energy savings. This trend aligns with the global push towards sustainable building practices, further fueling market growth. As smart building technologies continue to proliferate, the demand for CO2 sensors is expected to rise, contributing to a more sustainable built environment.

    Rising Demand from Industrial Applications

    The Global CO2 Gas Sensor Market Industry is witnessing increased demand from industrial applications, particularly in sectors such as food and beverage, pharmaceuticals, and manufacturing. Industries are utilizing CO2 sensors for process control, quality assurance, and safety monitoring. For instance, in the food industry, CO2 levels are monitored during storage and transportation to ensure product freshness and safety. This growing reliance on CO2 sensors for operational efficiency and compliance with safety standards is likely to bolster market growth. As industries continue to adopt these technologies, the market is poised for substantial expansion in the coming years.

    Technological Advancements in Sensor Technology

    Technological innovations in sensor technology are propelling the Global CO2 Gas Sensor Market Industry forward. The development of more sensitive, accurate, and cost-effective sensors is enhancing their applicability across various sectors, including industrial, commercial, and residential environments. For example, advancements in microelectromechanical systems (MEMS) technology have led to the creation of compact sensors that can be easily integrated into existing systems. These innovations not only improve performance but also reduce the overall cost of deployment. Consequently, the market is anticipated to grow at a CAGR of 8.42% from 2025 to 2035, indicating a robust trajectory fueled by ongoing technological progress.

    Market Segment Insights

    CO2 Gas Sensor Market Type Insights  

    The CO2 Gas Sensor Market is segmented by Type into Portable and Fixed. The Portable segment is expected to hold a larger market share in 2023, owing to its growing adoption in various applications such as indoor air quality monitoring, environmental monitoring, and industrial safety. The fixed segment is expected to grow at a faster CAGR during the forecast period, driven by increasing demand for continuous monitoring in commercial and industrial settings. Portable CO2 Gas Sensors are designed to be carried or mounted on a person or vehicle, enabling real-time monitoring of CO2 levels in various environments.

    These sensors are commonly used in indoor air quality monitoring systems, allowing users to monitor CO2 levels in homes, offices, schools, and other enclosed spaces. Portable CO2 Gas Sensors are also used in environmental monitoring applications, such as measuring CO2 levels in outdoor air, soil, and water. In the industrial sector, portable CO2 Gas Sensors are employed to ensure worker safety by monitoring CO2 levels in confined spaces, such as tanks, silos, and pipelines. Fixed CO2 Gas Sensors are permanently installed in a specific location and provide continuous monitoring of CO2 levels.

    These sensors are often used in commercial and industrial settings, where continuous monitoring is required to maintain optimal air quality and ensure safety. Fixed CO2 Gas Sensors are commonly installed in heating, ventilation, and air conditioning (HVAC) systems to control CO2 levels in buildings. They are also used in industrial applications, such as manufacturing facilities, warehouses, and power plants, to monitor CO2 levels and prevent the accumulation of hazardous gases.

    Overall, the CO2 Gas Sensor Market is expected to experience significant growth in the coming years, driven by increasing awareness about the importance of indoor air quality, growing demand for continuous monitoring in various applications, and technological advancements leading to the development of more accurate and reliable sensors.

    Source: Primary Research, Secondary Research, MRFR Database and Analyst Review

    CO2 Gas Sensor Market Output Signal Insights  

    The CO2 Gas Sensor Market segmentation by Output Signal includes Analogue and Digital. Digital output signal segment is expected to hold the largest market share in the CO2 Gas Sensor Market. Digital output signal provides a more accurate and stable signal than analogue output signal. Digital output signal is also less susceptible to noise and interference. The Analogue output signal segment is expected to witness a steady growth rate during the forecast period. Analogue output signal is less expensive than digital output signal. Analogue output signal is also easier to implement than digital output signal.

    CO2 Gas Sensor Market Accuracy Insights  

    The accuracy of CO2 gas sensors is a crucial factor in various applications, such as industrial safety, environmental monitoring, and healthcare. The CO2 Gas Sensor Market can be segmented into three main accuracy categories: high accuracy, medium accuracy, and low accuracy. High accuracy CO2 gas sensors offer precise measurements with minimal error and are typically used in critical applications where accurate readings are essential. They are often employed in industrial settings, such as semiconductor manufacturing and pharmaceutical production, where precise control of CO2 levels is necessary.

    Medium accuracy CO2 gas sensors provide a balance between accuracy and cost, making them suitable for a wide range of applications. They are commonly used in commercial buildings, schools, and hospitals, where monitoring CO2 levels is important for maintaining indoor air quality. Low accuracy CO2 gas sensors offer basic CO2 detection capabilities at a lower cost. They are often used in residential settings, where the need for precise measurements is not as critical. The CO2 Gas Sensor Market revenue is expected to grow significantly in the coming years, driven by increasing demand for accurate CO2 monitoring in various industries.

    The market is witnessing advancements in sensor technology, leading to the development of more compact, energy-efficient, and cost-effective sensors.

    CO2 Gas Sensor Market Technology Insights  

    The CO2 Gas Sensor Market revenue is expected to reach USD 2.53 billion by 2032, exhibiting a CAGR of 8.37% during the forecast period. Technology is a key segment in the CO2 Gas Sensor Market segmentation, comprising Nondispersive Infrared (NDIR) Sensors, Electrochemical Sensors, and Solid State Sensors. NDIR Sensors held the largest market share in 2023, owing to their accuracy, stability, and affordability. Electrochemical Sensors are expected to witness significant growth due to their compact size, low power consumption, and high sensitivity.

    Solid State Sensors offer advantages such as long lifespan, wide operating temperature range, and low maintenance, making them suitable for harsh environments. The market growth for these technologies is driven by increasing demand for air quality monitoring, environmental regulations, and smart building applications.

    CO2 Gas Sensor Market Application Insights  

    The Industrial segment held the largest share of the CO2 Gas Sensor Market in 2023, accounting for around 35% of the market revenue. This is due to the increasing demand for CO2 sensors in industrial applications, such as manufacturing, mining, and oil and gas exploration. The Energy and Power segment is expected to grow at a rapid pace during the forecast period, owing to the increasing adoption of CO2 sensors in power plants and other energy-related facilities.

    The Food and Beverage segment is also expected to witness significant growth, as CO2 sensors are increasingly used in food processing and packaging applications. The HVAC segment is another major application segment for CO2 sensors and is expected to grow steadily over the forecast period. The Healthcare segment is also expected to experience growth, as CO2 sensors are used in medical applications such as patient monitoring and respiratory therapy.

    Get more detailed insights about CO2 Gas Sensor Market Research Report - Global Forecast till 2034

    Regional Insights

    The regional segmentation of the CO2 Gas Sensor Market provides insights into the market's geographic distribution and growth patterns. North America is expected to hold the largest market share in 2023, driven by the presence of key players and the growing adoption of CO2 sensors in various industries.

    Europe is anticipated to follow closely behind, with significant demand from the automotive and manufacturing sectors. The APAC region is projected to witness the highest growth rate during the forecast period, owing to rising urbanization and industrialization in countries like China and India. South America and MEA are expected to contribute modest shares to the overall market, but they offer promising growth opportunities due to increasing infrastructure development and government initiatives promoting environmental sustainability.

    CO2 Gas Sensor Market Regional Insights

    Source: Primary Research, Secondary Research, MRFR Database and Analyst Review

    Key Players and Competitive Insights

    Major players in the CO2 gas sensor market are likely to focus on expanding their global reach through strategic partnerships and collaborations. Leading CO2 Gas Sensor Market players are also expected to invest in research and development to develop advanced sensors with enhanced performance and reliability. The competitive landscape of the CO2 Gas Sensor Market is expected to remain fragmented, with many players competing for market share. However, leading players are likely to maintain their dominant positions through product innovation and strategic partnerships.

    Sensirion AG is one of the leading players in the CO2 Gas Sensor Market. The company offers a wide range of CO2 gas sensors, including both OEM and finished products. Sensirion AG has a strong global presence, with manufacturing facilities in Switzerland, the United States, and China. The company's products are used in a variety of applications, including HVAC, automotive, and medical.

    Another leading player in the CO2 Gas Sensor Market is General Electric (GE). GE offers a range of CO2 gas sensors, including both fixed and portable models. The company's sensors are used in a variety of applications, including industrial, commercial, and residential. GE has a strong global presence, with manufacturing facilities in the United States, Europe, and Asia. The company's products are known for their reliability and accuracy.

    Key Companies in the CO2 Gas Sensor Market market include

    Industry Developments

    The CO2 Gas Sensor Market is anticipated to witness steady growth in the coming years, driven by increasing demand for air quality monitoring in various industries and growing concerns regarding environmental pollution. Technological advancements, such as the development of low-power and highly sensitive sensors, are further propelling market expansion.

    Recent news developments include strategic partnerships and product launches by key players. For instance, in 2023, Sensirion, a leading manufacturer of CO2 sensors, collaborated with Google to integrate its sensors into Google's Nest Hub devices. Additionally, ams AG, another major market player, introduced a new CO2 sensor with improved accuracy and faster response time.

    Ongoing market trends indicate a shift towards wireless and portable CO2 sensors, enabling real-time monitoring in diverse settings. Furthermore, increasing government regulations and initiatives aimed at reducing carbon emissions are expected to drive demand for CO2 sensors in industrial applications.

    Future Outlook

    CO2 Gas Sensor Market Future Outlook

    The CO2 Gas Sensor Market is projected to grow at an 8.37% CAGR from 2025 to 2035, driven by increasing environmental regulations, technological advancements, and rising demand for indoor air quality monitoring.

    New opportunities lie in:

    • Develop smart CO2 sensors integrated with IoT for real-time monitoring solutions.
    • Expand product lines to include portable CO2 sensors for personal and industrial use.
    • Leverage AI analytics to enhance sensor data interpretation and predictive maintenance.

    By 2035, the CO2 Gas Sensor Market is expected to achieve substantial growth, reflecting heightened awareness of air quality and environmental sustainability.

    Market Segmentation

    CO2 Gas Sensor Market Type Outlook

    • Portable
    • Fixed

    CO2 Gas Sensor Market Accuracy Outlook

    • High Accuracy
    • Medium Accuracy
    • Low Accuracy

    CO2 Gas Sensor Market Regional Outlook

    • North America
    • Europe
    • South America
    • Asia Pacific
    • Middle East and Africa

    CO2 Gas Sensor Market Technology Outlook

    • Nondispersive Infrared (NDIR) Sensors
    • Electrochemical Sensors
    • Solid State Sensors

    CO2 Gas Sensor Market Application Outlook

    • Industrial
    • Energy and Power
    • Food and Beverage
    • HVAC
    • Healthcare

    CO2 Gas Sensor Market Output Signal Outlook

    • Analogue
    • Digital

    Report Scope

    CO2 Gas Sensor Market Report Scope
    Report Attribute/Metric Details
    Market Size 2024 USD 1.43 Billion
    Market Size 2025 USD 1.55 Billion
    Market Size 2035 3.48 (USD Billion)
    Compound Annual Growth Rate (CAGR) 8.37% (2025 - 2035)
    Base Year 2024
    Market Forecast Period 2025 - 2035
    Historical Data 2020-2023
    Market Forecast Units USD Billion
    Key Companies Profiled CTS Corporation, Siemens AG, MEMSCAP SA, Alphasense Ltd, Robert Bosch GmbH, Drägerwerk AG Co. KGaA, TE Connectivity Ltd., E2V Technologies, Honeywell International, Inc., Figaro International, Inc., Amphenol Corporation, Vaisala Corporation, Yokogawa Electric Corporation, Sensirion AG, City Technology Ltd
    Segments Covered Type, Output Signal, Accuracy, Technology, Application, Region
    Key Market Opportunities Smart homes healthcare transportation agriculture industrial
    Key Market Dynamics Rising demand for IoT devices Technological advancements Growing awareness of air quality monitoring Increasing adoption in HVAC systems Government regulations on air quality
    Countries Covered North America, Europe, APAC, South America, MEA

    FAQs

    What is the projected valuation of the CO2 Gas Sensor Market in 2024?

    The CO2 Gas Sensor Market is estimated to be worth USD 1.43 billion in 2024.

    What is the expected CAGR of the CO2 Gas Sensor Market from 2025 to 2034?

    The CO2 Gas Sensor Market is projected to grow at a CAGR of 8.37% from 2025 to 2034.

    Which region is expected to dominate the CO2 Gas Sensor Market in 2023?

    North America is expected to dominate the CO2 Gas Sensor Market in 2023, accounting for over 35% of the global market share.

    What are the key applications of CO2 gas sensors?

    CO2 gas sensors are used in various applications, including indoor air quality monitoring, industrial safety, and medical diagnostics.

    Who are the major competitors in the CO2 Gas Sensor Market?

    Key competitors in the CO2 Gas Sensor Market include Sensirion, Honeywell, Amphenol, and Figaro Engineering.

    What factors are driving the growth of the CO2 Gas Sensor Market?

    Growing concerns about indoor air quality and increasing demand for safety in industrial and healthcare settings are driving the growth of the CO2 Gas Sensor Market.

    What are the challenges faced by the CO2 Gas Sensor Market?

    Challenges faced by the CO2 Gas Sensor Market include technological limitations and competition from alternative sensing technologies.

    What are the opportunities for growth in the CO2 Gas Sensor Market?

    Opportunities for growth in the CO2 Gas Sensor Market include advancements in sensor technology and increasing adoption in emerging markets.

    What is the expected market size of the CO2 Gas Sensor Market in 2032?

    The CO2 Gas Sensor Market is projected to reach USD 2.53 billion by 2032.

    What is the impact of government regulations on the CO2 Gas Sensor Market?

    Government regulations on indoor air quality and industrial safety are expected to positively impact the growth of the CO2 Gas Sensor Market.

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