HVAC & Building Automation Solutions - THALES

Overview

HVAC systems account for over 40% of a building's total energy consumption. High-accuracy temperature, humidity, CO₂ and duct differential pressure monitoring enables demand-controlled ventilation (DCV) and enthalpy optimization, ensuring indoor air quality (IAQ) while significantly cutting operating energy.

THALES offers a complete portfolio — from wall-mounted room transmitters and duct-mounted CO₂ transmitters to micro-differential pressure transmitters — supporting Modbus RTU / BACnet MS/TP protocols for seamless integration into any BAS / BMS.

Industry Challenges

ASHRAE 62.1 compliance for indoor CO₂ levels and ventilation rates
Sensor long-term drift degrading control accuracy
Condensation and sensor failure in high-humidity duct environments
Protocol fragmentation across vendors raising integration cost

🌡

±0.3°C

Temp Accuracy

💨

±50ppm

CO₂ Accuracy

📊

±1%FS

DP Accuracy

🔌

BACnet

Protocol

// Recommended Products

Recommended Product Portfolio

Core products and supporting selections for this scenario

TL-RHT-W485 Wall RH/T Transmitter

RS485 · ±0.3°C · IP65

TL-CO2-DUCT Duct CO₂ Transmitter

NDIR dual-channel · 0-5000ppm

TL-DP-MICRO Micro-DP Transmitter

0-1000Pa · Duct monitoring

// Technical Highlights

Technical Advantages

01

Dual-Channel NDIR CO₂ Sensing

Automatic long-term offset compensation and strong interference immunity — ideal for demand-controlled ventilation (DCV).

02

Anti-Condensation Coating

Sintered moisture coating on duct and wetted surfaces prevents condensation, mechanical stress and vibration in high-humidity environments.

03

Open Communication Protocols

Standard Modbus RTU / BACnet MS/TP simplifies wiring and parameterization, reducing integration cost.

04

5-Year Warranty

Designed to NEMA 4X / IP65 standards for reliable long-term operation.