TC4
AI Wall Thermostat

TC4

86-Box AI Wall Thermostat · 4″ Touch · RK3576 + 24 TOPS Edge

Key Features

Why TC4?

Specifications

Detailed Specifications

Application SoCRockchip RK3576 (4× Cortex-A76 + 4× Cortex-A55, 6 TOPS NPU)
AI CoprocessoriCore-1828 (18 TOPS NPU) — combined 24 TOPS for on-device LLM + RAG
Display4″ IPS 480×800 capacitive multi-touch, anti-glare + AF coating, 350 nit
Form FactorStandard 86-type wall box (86 × 86 mm front, 38 mm depth, 1-gang)
Built-in SensorsTemperature ±0.2 °C, Humidity ±2 %RH, PM2.5 laser scattering 0–1000 μg/m³, ambient light
Voice InteractionDual-mic far-field array, beam-forming, AEC echo cancellation, wake-word + offline hot-word "小美"
AC ControlModbus RTU/TCP, BACnet MS-TP, IR blaster (1.5 M+ codes), Wi-Fi AC cloud SDK
Fresh Air ControlRS485 to ERV/HRV, 0–10 V analog damper, BACnet, MQTT, supports CAV / VAV / DCV
Wired IO2 × RS485 (HVAC bus), 1 × CAN, 4 × dry contact, 2 × 0–10 V analog in/out, 1 × RJ45 optional
WirelessWi-Fi 6 (2.4/5 GHz) + Bluetooth 5.3 (BLE Mesh / Zigbee 3.0 / Thread border router)
Power100–240 V AC live + neutral, 24 V DC adapter fallback, max 5 W
SystemAndroid 14 + METO Thermostat Shell, supports on-device 7B LLM (INT4) and FAISS vector store
MechanicalPC + ABS V0 housing, white / black dual color, 2.5 D curved glass, anti-fingerprint AF
SafetyIEC 60335-1 household, surge 4 kV, over-temperature cut-off 75 °C, child lock
Applications

Scenarios

Residential apartments and villas — whole-home HVAC and fresh-air controlHotel rooms — voice-controlled climate for contactless guest experienceHospital wards — IEC 60601-grade isolation rooms, staff ask AI for HVAC SOPSchool classrooms — PM2.5 + CO2-driven demand-controlled ventilation (DCV)Office meeting rooms — Modbus VAV box + occupancy-based set-backServer rooms and IDF closets — precise temperature + humidity loggingRetail chain stores — RAG answers franchisee HVAC questions on the spotOld residential building retrofit — drop-in 86-box replaces legacy mechanical thermostats
Gallery

Product Gallery

TC4 - image 1TC4 - image 2TC4 - image 3
FAQ

Frequently asked questions

What is the TC4 used for?

Residential apartments and villas — whole-home HVAC and fresh-air control; Hotel rooms — voice-controlled climate for contactless guest experience; Hospital wards — IEC 60601-grade isolation rooms, staff ask AI for HVAC SOP; School classrooms — PM2.5 + CO2-driven demand-controlled ventilation (DCV); Office meeting rooms — Modbus VAV box + occupancy-based set-back; Server rooms and IDF closets — precise temperature + humidity logging

What processor does the TC4 use?

Rockchip RK3576 (4× Cortex-A76 + 4× Cortex-A55, 6 TOPS NPU)

What display does the TC4 have?

4″ IPS 480×800 capacitive multi-touch, anti-glare + AF coating, 350 nit

What operating system does the TC4 run?

Android 14 + METO Thermostat Shell, supports on-device 7B LLM (INT4) and FAISS vector store

What wireless does the TC4 support?

Wi-Fi 6 (2.4/5 GHz) + Bluetooth 5.3 (BLE Mesh / Zigbee 3.0 / Thread border router)

What are the power requirements of the TC4?

100–240 V AC live + neutral, 24 V DC adapter fallback, max 5 W

What are the mechanical specifications of the TC4?

PC + ABS V0 housing, white / black dual color, 2.5 D curved glass, anti-fingerprint AF

How much does the TC4 cost?

Pricing is quoted per configuration and volume — there is no single list price. Send us the target quantity, configuration and destination and we will come back with a firm quote and lead time.

Can the TC4 be customized or branded?

Yes. METO provides ODM and OEM customization on its platforms, including hardware configuration, enclosure, branding and packaging. See the ODM/OEM page for scope, or send us your requirements.

What is the minimum order quantity for the TC4?

MOQ depends on whether you need a standard configuration or a customized build. It is confirmed together with the quotation — tell us your target volume and we will state the MOQ for that configuration.

↑