Featured Multi-Sensor IAQ Solutions
Industrial-grade detection devices engineered for public space ventilation, BMS integration, and air testing
Industrial & Commercial IAQ Testing Landscape
Why multi-sensor technology is transforming public environment monitoring and smart building HVAC performance
Strict Environmental Standards
Modern commercial real estate requires strict compliance with global healthy building standards such as RESET, WELL Building Standard v2, LEED v4.1, and BREEAM. Continuous multi-parameter monitoring provides verifiable audit trails for certifications.
AIoT & Smart HVAC Control
Traditional static air sampling is being superseded by interconnected AIoT multi-sensor arrays. Real-time data streams feed directly into Building Management Systems (BMS) via RS485 Modbus or BACnet, enabling dynamic automated Demand-Controlled Ventilation (DCV).
Energy & Decarbonization
HVAC systems account for over 40% of public building energy consumption. By deploying high-accuracy multi-sensor indoor air quality detectors, facility operators run fresh air intake precisely when required, optimizing decarbonization goals without sacrificing human health.
In high-density public spaces—such as airport terminals, corporate campuses, educational centers, convention halls, and healthcare centers—indoor air quality (IAQ) is no longer viewed merely as a facility comfort metric; it has evolved into a critical operational priority. Public space air testing demands robust, continuous multi-sensor detection capable of tracking particulate matter (PM2.5, PM10), Carbon Dioxide (CO2), Total Volatile Organic Compounds (TVOC), Formaldehyde (HCHO), Temperature, Relative Humidity, and gaseous pollutants simultaneously.
The global surge in health awareness, combined with stringent international building codes, has shifted commercial facility management from reactive ventilation to predictive, data-driven air hygiene. A modern multi-sensor indoor air quality detector serves as the central neural node of smart infrastructure, bridging physical airborne contaminant measurements with cloud analytics, predictive maintenance algorithms, and automated building automation responses.
Deep-Dive Application Scenarios in Public Spaces
Tailored indoor air quality sensing strategies across complex commercial and institutional environments
Commercial Office Buildings & Corporate Towers
In enterprise environments, poor air quality directly impacts employee cognitive function, decision-making efficiency, and sick leave frequency. High occupant density in meeting rooms and open office layouts triggers rapid CO2 accumulation. Multi-sensor detectors equipped with NDIR technology and TVOC modules trigger fresh air exchange, lower indoor pollution levels, and assist developers in achieving premium WELL and LEED building ratings.
Educational Institutions & Schools
Classrooms and university lecture halls often suffer from inadequate ventilation, causing elevated carbon dioxide concentrations that induce drowsiness and reduced academic performance. Deploying wall-mounted multi-sensor monitors provides real-time visual alerts and direct relay controls to purge stale air, maintaining optimal oxygen levels and tracking airborne particulate filtration efficacy.
Healthcare Facilities & Medical Centers
Hospitals, outpatient clinics, and rehabilitation facilities require stringent airborne containment control. Multi-sensor IAQ detectors continuously log ambient micro-particles, humidity levels (to prevent pathogen proliferation), and dew point thresholds, assuring cleanroom integrity and safeguarding immunocompromised patients in public waiting arenas.
Transit Hubs & Public Transport Arenas
Airports, subway stations, and train terminals face intense transient crowds and external pollution infiltration from vehicle emissions. Heavy-duty multi-sensor monitors built with sealed cast aluminum structures resist harsh ambient drift while accurately quantifying PM2.5 spikes, ozone, and CO2, driving heavy ventilation blowers dynamically.
Tongdy Sensing Technology Corporation
Help you build and maintain a healthy indoor environment
Our work makes a difference in helping you make the healthy indoor air quality. As one of the earliest companies in China engaged in air quality monitoring products, Tongdy has been always focusing on its strong technology development and design capabilities on the indoor air quality monitors.
About Tongdy
Focus on air quality detection and control over 15 years
Our Purpose
We foster research and development on obtaining accurate air quality data, help you well understand and improve the air you breathe by quantitative assessment and data analysis.
For pursuing our ultimate purpose of creating healthy indoor air quality, we’re committed to obtain real and accurate data and cultivating the next generation of innovators in technology and engineering.
Social Responsibility
Tongdy actively develops air quality monitors and is devoted in healthy indoor air quality, and strive to become an excellent enterprise model.
As a corporate citizen, Tongdy has contributed to public welfare undertakings such as cooperate with public benefit corporation, like WELL- the world’s leading organization focused on deploying people first places to advance a global culture of health, especially exploring the impact of indoor air quality to people’s health based on The WELL Building Standard™.
Certificates and Honor
Rigorous international quality compliance and industrial standards certifications
Our Values & Technological Edge
Pioneering sensor innovation, dynamic algorithmic precision, and IoT platforms
Exclusive innovative calibration algorithm
Proprietary technology, the effective calibration method to support higher data accuracy in different environment.
Unique professional multi-sensor module
Special multi-sensor module with the sealed cast aluminum structure and up to six sensors inside.
Continuous R&D investment and product quality control
Tongdy-owned, and huge investment in research and development to ensure the product reliability and innovation.
Real-time data monitoring and historical data analyzing
“MyTongdy” Platform will help you reading and analyzing data of your air quality on PC or mobile APP to improve and optimize your indoor air quality.
The expert of indoor air quality data
Over 15 years experience for indoor air quality, Tongdy provides commercial accurate data and help you to make data-driven decisions that foster health-centered indoor environments.
Why Tongdy Sensing Technology
20+ Years of Expertise in IAQ & HVAC Solutions
Trusted by clients for high-quality products and professional service, fully compliant with Green Building standards.
100+ Monitoring and Control Products
Over 100 commercial-grade monitors and controllers, including CO2, single-gas, and multi-sensor solutions for HVAC, BMS, and green building applications.
Reliable and Accurate Data
Providing smart building managers with actionable, real-time data to make informed decisions.
Tailored to Your Specific Needs
Flexible hardware, professional expertise and fast delivery enable cost-effective, customized gas detection and control solutions.
Complete Multi-Sensor & Indoor Air Quality Product Line
Explore full range of commercial controllers, gas monitors, and data loggers for smart public space testing
