Explore our state-of-the-art detector units engineered for industrial, commercial, and residential deployments.
Indoor Air Quality (IAQ) has transitioned from a niche architectural concern to a fundamental pillars of residential safety and smart-home engineering. Historically, residential gas safety concentrated purely on detecting toxic gases like Carbon Monoxide (CO) or combustible hydrocarbon gases (like methane and propane). However, modern building envelopes are designed to be extremely airtight to optimize thermal efficiency and minimize energy usage. This high sealability restricts natural air exchange, leading to a silent accumulation of indoor pollutants—foremost among which is Carbon Dioxide (CO₂).
Accumulating CO₂ acts as a direct indicator of ventilation efficacy. When CO₂ levels rise above 1,000 parts per million (ppm), human cognitive capabilities degrade, causing headaches, drowsiness, loss of concentration, and fatigue. Elevated levels exceeding 2,500 ppm can lead to severe health risks. Therefore, smart home ecosystems and green-building protocols globally are driving a surging demand for highly accurate, long-lasting, and IoT-connected Home Carbon Dioxide Detectors.
For B2B buyers, distributors, and smart IoT device brand owners, securing a reliable OEM/ODM manufacturer is crucial. Building a stable device requires precise sensor integration, sophisticated background calibration algorithms to counter sensor drift, and robust industrial designs. Xinhaosi represents a premium-tier engineering partner, combining two decades of industrial gas leak detection excellence with advanced consumer-grade production scaling.
Chengdu Factory & Office
Deyang Factory
Founded in 2003, Xinhaosi is one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have steadily built a robust and comprehensive production and service system, which integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, professional after-sales support with an experienced technician team, flexible OEM/ODM services, as well as CNAS-Accredited laboratory calibration services that meet international standards.
Our diversified product portfolio covers industrial & residential gas detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems—all engineered to adapt to complex working environments and strict safety requirements. We produce and sell tens of millions of units annually, catering to a wide range of industries that demand reliable gas detection solutions, including oil & gas exploration and production, petrochemicals, urban gas distribution, automotive manufacturing, pharmaceuticals, new energy, steel production, and beverage processing.
Guided by the core mission of “Making Gas Safety Accessible Everywhere,” we consistently deliver high-performance, reliable products and customized solutions tailored to each client’s unique needs. Every item we manufacture undergoes rigorous quality control tests, and every service we provide is backed by our professional technical team, fully embodying our unwavering commitment to safeguarding gas safety across both industrial workplaces and residential environments, and striving to build a safer world with sustainable gas safety technologies.
How localized raw material ecosystems and automated production lines deliver competitive advantages for global B2B procurement.
China is home to the world's most concentrated optical and electrochemical sensor manufacturing clusters. This proximity reduces sourcing lead times for core NDIR components and microcontrollers, keeping Bill of Materials (BOM) costs highly competitive without sacrificing optical path alignment precision.
Our Deyang and Chengdu production facilities utilize advanced pick-and-place SMT machines and automated wave-soldering. This ensures that the digital circuitry powering critical safety algorithms is printed, placed, and soldered with zero human-error margins, guaranteeing decades of operating life.
CO₂ detectors require strict gas-chamber calibration. Utilizing custom multigas environmental test chambers, Xinhaosi performs high-volume automated calibration checks. We expose each production batch to precise PPM levels to verify baseline offsets before final quality clearance.
Engineering detailed specs that separate high-reliability safety gear from cheap volatile sensor counterparts.
We use NDIR optical sensors that measure light absorption at 4.26 µm. Unlike cheap electrochemical or MOx sensors, NDIR sensors are highly selective, unaffected by ambient humidity, volatile organic compounds (VOCs), or kitchen vapors, ensuring zero false alarms.
To eliminate sensor drift over time, our firmware features sophisticated ABC algorithms. Over an 8-day cycle, the detector tracks the lowest ambient CO₂ readings and adjusts the sensor baseline back to standard outdoor clean-air constants (400ppm).
For modern smart homes, we support modular integration. The detector's PCBA is designed to accommodate various modules, enabling seamless connectivity with standard consumer protocols including Wi-Fi, Zigbee, Bluetooth LE, Modbus, and Matter.
How Xinhaosi partners with international brands, from initial sketches to global compliance certifications.
We work with brand owners to design custom enclosures. Whether you need sleek consumer-grade table-top monitors or wall-mounted detectors that merge into modern decor, our engineering team handles custom plastic tooling and structural engineering.
We customize alarm thresholds (e.g., visual LED warning indicators, audio buzzer intensity), calibrate sensor polling frequencies, and embed custom startup screens on LCD-equipped models. Our software team assists with Tuya API or custom App integration.
Navigating global standards is complex. We manage localized testing and approval processes to ensure your co-branded products seamlessly achieve compliance with CE, FCC, RoHS, REACH, and UL standards for overseas markets.
A Macro-Industry Case Study: Modern Residential Complexes
In premium green buildings, CO₂ monitoring is integrated with decentralized HVAC control. Xinhaosi worked with a leading European IoT developer to manufacture a combination CO₂ and temperature/humidity sensor utilizing Matter-over-Thread. Upon detecting levels exceeding 800ppm in bedrooms, the detector transmits a signal to activate localized energy-recovery ventilators (ERVs), refreshing indoor air while saving heating energy. This integration achieves an energy-saving reduction of up to 22% compared to continuous mechanical ventilation.
Backed by international quality frameworks and accredited laboratories for complete B2B procurement peace of mind.
Adhering to ISO9001 quality management system standards, Xinhaosi's core products have obtained a full range of authoritative certifications, including national compulsory Products Certification, explosion-proof certification, fire product certification, CPA measurement instrument type approval certificate, and international approvals as CE, SIL. Additionally, Xinhaosi holds honors such as "National Quality Integrity Benchmark Enterprise" , "National Quality Leading Enterprise in the Gas Alarm Industry," member of the China Fire Protection Association, and the main drafting organization for the national standard of solenoid valves, further confirming its industry influence and reputation.
In the field of intellectual property, Xinhaosi has built a robust innovation system with over 50 patents and software copyrights . These patents cover core technological areas, including a graphical monitoring system for gas detection and alarm, which enables predictive maintenance based on historical data to reduce equipment failure rates by over 30%, and a solenoid valve with flow monitoring functionality that integrates flow detection and alarm capabilities . The company also pioneered China's first networked bus-type gas leakage monitoring system and the only maximum-point gas leakage monitoring system certified by the Ministry of Public Security, demonstrating its leading position in cutting-edge technological research.
Our in-house laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS), recognized both domestically and internationally under the ILAC-MRA framework. It operates in accordance with ISO/IEC 17025, the international standard for testing and calibration laboratories. It provides reliable and traceable testing services for gas detection and alarm products, solenoid valves, and related safety equipment. Test reports issued by the CNAS-accredited laboratory are widely accepted by regulatory authorities, certification bodies, and customers in China and overseas, helping to ensure product quality, safety compliance, and market access.
Tracing two decades of continuous safety engineering breakthroughs and manufacturing capacity scaling.
Key technical answers to aid global distributors, safety engineers, and procurement managers in decision making.
Maintain complete gas security across all scenarios with our robust control panels, monitors, and safety valves.
