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Modern residential building design increasingly emphasizes the importance of indoor air quality (IAQ), as exposure to pollutants such as particulate matter (PM), carbon dioxide (CO2), and volatile organic compounds (VOCs) can pose significant health risks. Fresh air systems play a key role in monitoring air parameters, removing contaminants and supplying clean air. Currently, the systems are evolving to intelligent platforms equipped with sensing, filtration, and automated control capabilities. To support their development and ensure effective performance, industry standards have been established. For instance, EN 15251 in Europe and ASHRAE 62.1 in the United States set clear benchmarks for air exchange rates to ensure healthy air quality for different indoor space, helping buildings maintain compliance with current best practices.
To address the growing demand for intelligent and efficient indoor air quality monitoring, technological innovation in sensing and control has become essential. With more than 20 years of experience in sensing technology, Cubic, a leading manufacturer of gas sensors and analyzers, has developed a full range of product portfolio tailored for fresh air systems. From high-precision gas sensors and integrated multi-parameter modules to customized monitors, transmitters, and controllers, Cubic delivers sensing solutions that empower modern fresh air systems.
Cubic has developed a comprehensive portfolio of gas sensors based on core technologies including NDIR, light scattering, MEMS MOX, and electrochemical principles, enabling accurate detection of key indoor air quality parameters such as carbon dioxide (CO2), particulate matter (PM1.0, PM2.5, PM10), total volatile organic compounds (TVOCs), temperature, humidity, and formaldehyde (HCHO). CO2 sensors adopt NDIR technology combined with full-range temperature calibration to ensure consistent accuracy across the entire measurement range, while maintaining compact design and low power consumption for energy-efficient operation. Light scattering PM sensors feature a compact design and an anti-dust structure that enhances durability and stability in long-term operation. With innovative Auto Particle Identification (API) technology, the sensors enable more accurate detection of PM1.0, PM2.5, and PM10, even under dynamic environmental conditions. In addition, MEMS MOX support the development of compact VOC, temperature, and humidity sensors with fast response and integration flexibility. Moreover, Cubic’s formaldehyde sensor, developed based on electrochemical principles, features a dual-channel structure and a unique electrolyte packaging design to enhance anti-interference performance. Supported by scientific calibration and intelligent algorithms, the formaldehyde sensor can simultaneously measure formaldehyde and total VOC concentrations.
Building on the sensors for various indoor air quality (IAQ) parameters, Cubic has developed integrated sensor modules that apply its advanced sensing technologies into a compact and comprehensive solution. The modules support real-time, multi-parameter monitoring by simultaneously measuring particulate matter (PM1.0, PM2.5, PM10), CO2, VOCs, temperature, and humidity, making them well-suited for seamless integration into fresh air systems. Data are transmitted via UART_TTL communication protocols, ensuring stable and efficient connectivity with the control unit. In addition, the modules also enable intelligent interaction with the system, allowing automatic adjustments such as switching on/off or regulating airflow, which helps optimize energy efficiency while maintaining a healthy indoor environment.
In addition to sensor and module solutions, Cubic also provides OEM/ODM solutions for customized IAQ transmitters, monitors, and controllers designed for fresh air systems. The transmitters relay sensor data to fresh air systems, monitors visualize key air quality indicators for end users, and controllers execute intelligent adjustments such as airflow regulation. As an integrated OEM/ODM provider, Cubic offers comprehensive end-to-end services throughout the entire production process. From advanced gas sensor integration and hardware design to software development, mold development, and prototype validation, Cubic delivers complete product development. With strong capabilities in mass production and a rigorous quality control system, Cubic effectively supports customized HVAC controller and monitor solutions at scale.
With over 20 years of R&D experience in sensing technologies and strong in-house manufacturing capabilities, Cubic continues to deliver reliable core technologies for fresh air systems. From high-precision sensors to intelligent controllers, each product reflects Cubic’s deep technical expertise and strong focus on practical application. As the industry evolves toward smarter and more efficient solutions, Cubic remains a trusted partner to customers and helps lead the HVAC industry toward future development.
For more detailed information, please visit https://en.gassensor.com.cn/IAQApplication/index.html or contact us via sales@gassensor.com.cn
