Smart HVAC Controller with 4 Inch LCD Color Screen Built-in CO+VOC+PM2.5+CO2+Temperature Sensors and Tuya WiFi & Modbus RS485

Name: Smart HVAC Controller with 4 Inch LCD Color Screen Built-in CO+VOC+PM2.5+CO2+Temperature Sensors and Tuya WiFi & Modbus RS485
Brand: Shenzhen Xiangfan Electronics Technology Co., Ltd.
SKU: G3
Price: 79 USD
Availability: InStock

Quality Smart HVAC Controller with 4 Inch LCD Color Screen Built-in CO+VOC+PM2.5+CO2+Temperature Sensors and Tuya WiFi & Modbus RS485 factory

Basic Properties

Place of Origin:China

Brand Name:OEM or neutral (no brand)

Model Number:G3

Trading Properties

Minimum Order Quantity:1

Price:US$79/pcs

Standard Packaging:Cartons

Delivery Time:2-3 weeks

Payment Terms:T/T

Supply Ability:100000pcs

Specifications

Screen Size:	4 Inch LCD Color Screen	Built-in Sensors:	CO+VOC+PM2.5+CO2+Temperature
Shell Colors:	White & Black	Panel Dimensions:	87.5×87.5mm
Power Supply:	AC 110-230V	Communication Interface:	Modbus RS485
Highlight	4 inch LCD color screen Smart HVAC Controller , Built-in CO+VOC+PM2.5+CO2+Temperature sensors Fresh Air Controller , Tuya WiFi & Modbus RS485 Ventilation Controller

Product Description

Product Overview:

G3 Smart Fresh Air 4 Inch LCD Controller

This wall-mounted fresh air controller G3 integrates multi air quality sensors, including PM2.5, CO₂, VOC, temperature and electrochemical CO sensor, to realize real-time six-dimensional indoor air quality monitoring.

Equipped with Tuya WiFi connectivity, users can remotely check air data and adjust ventilation status via Tuya APP. It supports Modbus RS485 communication, which can be seamlessly connected to building automation and HVAC systems for centralized intelligent management.

The slim 87.5×87.5mm panel fits standard wall boxes, powered by AC 110–230V, available in black and white. It is an ideal control terminal for commercial buildings, offices and residential fresh air systems.

Key Features:

Built-in multi air quality sensors: PM2.5, CO₂, VOC, Temperature, Electrochemical CO sensor, real-time indoor air quality monitoring.
Tuya WiFi enabled, remote monitoring & fan speed control via Tuya mobile APP.
Modbus RS485 communication, easy integration with building automation and HVAC systems for centralized management.
Slim 87.5×87.5mm wall-mounted panel, AC 110–230V wide voltage power supply.
Available in black & white, fits standard wall junction boxes for commercial & residential fresh air projects.

Product Images:

Smart HVAC Controller with 4 Inch LCD Color Screen Built-in CO+VOC+PM2.5+CO2+Temperature Sensors and Tuya WiFi & Modbus RS485

Wiring Diagram:

Contact Details

Shenzhen Xiangfan Electronics Technology Co., Ltd.

Contact Person: Ms. Elva Zhu

Tel: 86-755-86546022

Fax: 86-755-86546099