Temperature and Climate

Precision thermal sensing for building automation

Accurate temperature data helps drive building automation, HVAC efficiency and predictive equipment management.

Gradient-Brand.png
Gradient-Brand.png

Accurate temperature data helps drive building automation, HVAC efficiency and predictive equipment management.

The Foundation for Intelligent Temperature Monitoring

Accurate thermal data forms the foundation for responsive building automation and HVAC efficiency. Honeywell's temperature sensors combine digital precision with industrial-grade reliability, delivering continuous data that help improve energy use and protect critical equipment across commercial and industrial facilities.

control

Precision sensing for Industrial automation and control

HumidIcon humidity and temperature sensors are designed for precision HVAC and building automation control applications.

  • Sensors with accuracy to within ±0.5°C and ±2.0%RH

  • Digital and analog output models

  • Temperature-compensated digital I2C or SPI output 

  • Extended life and stable output

environments

Reliability and stability across industrial‑grade environments

Industrial-grade RTD sensors engineered for high-interference, wide-temperature environments.

  • Platinum thin-film RTDs with tolerances down to ±0.1% 

  • Operating ranges as wide as -75 °C to 500 °C

  • Leaded or soldered, 100 or 1000 ohm models available 

  • Laser-trimmed to resistance interchangeability

IoT-enable

Smart and wireless thermal monitoring (IoT‑enabled)

IoT-enabled distributed monitoring for cloud-based analytics and predictive maintenance integration.

  • IoT connectivity for flexible deployment

  • Near real-time data for anomaly detection

  • Predictive models can help support downtime reduction

  • 2x market size by 2033

    According to Verified Market Reports, HVAC Temperature Sensor Market size was valued at USD 1.5 Billion in 2024 and is projected to reach USD 3.2 Billion by 2033, exhibiting a CAGR of 9.5% from 2026 to 2033

  • 25-30% maintenance cost reduction

    A Department of Energy study of operations, maintenance and energy professionals revealed that the average savings from an IoT-driven predictive maintenance operation reduced maintenance costs by 25-30%.

     

  • Energy-improved operations

    Continuous thermal data helps identify inefficiencies in HVAC systems and building automation, supporting energy improvement strategies that help reduce energy consumption while maintaining comfort and safety across facilities.

    https://www.verifiedmarketreports.com/product/hvac-temperature-sensor-market/
    https://www1.eere.energy.gov/femp/pdfs/om_5.pdf

Customer Stories

Real-World Temperature Sensing Applications

 

Interactive & Guided Tools

Find the Right Sensor for Your Application

Honeywell's Global Field Device tool helps you quickly identify the optimal temperature sensor and compatible components for your specific building automation application. 

Frequently Asked Questions About Climate Control Sensors

Modern digital temperature sensors use advanced signal conditioning, compensation algorithms and robust construction to help maintain accuracy in challenging environments.

Digital sensors from Honeywell use temperature-compensated measurement with on-chip processing that filters noise and compensates for drift. Some models are encapsulated to help protect against moisture, vibration and EMI.

Digital sensors perform multi-point calibration during manufacturing, storing correction coefficients in memory. The sensor applies these continuously, compensating for non-linearity and drift—typically less than 2% signal per month.

RTD and thermistor circuits use ratiometric measurement, comparing sensor resistance to a precision reference rather than absolute voltage. This helps cancel supply variations and can help reduce common-mode noise.

Fast response requires minimizing thermal mass. Thin-film platinum RTDs—like the HRTS Series—use sensing elements that are micrometers thick on ceramic substrates, achieving rapid response while maintaining industrial durability.

IoT-enabled sensors deploy without extensive cabling, enabling monitoring throughout facilities, including hard-to-access locations.

Building management systems aggregate temperature data with operational systems for predictive analytics and anomaly detection. Continuous monitoring can help identify equipment degradation before failure, supporting maintenance strategies that can help reduce costs and unplanned downtime.

Take the next step

Discover how Honeywell sensors can help improve building automation and efficiency.