E3 is a Thermostat-like Wi-Fi Mini Split Ductless Controller that helps with user's smart control for their AC system.
E3 is a Thermostat-like Wi-Fi Mini Split Ductless Controller that helps with user's smart control for their AC system.With the large LCD display, users are easily getting running status of the AC, ambient temperature, humidity and then interact by simply touching the buttons. Compared to any IR box,The E3 controller allows you fully control your air conditioners even without an Internet access. However E3 does not lose the flexibility and support both wall and desk installation by USB or 24V power input.
With the Tuya Smart App, customers can set mode, temperature, fan speed and adding features like scheduling ,geofencing, comfort control range and manage multi-zones control.

E3 smart AC controller support Alexa and Google voice's control

Functions:

| Name | Smart AC Controller |
| WiFi Application | TuyaSmart, Smart Life, Ecohome Life ( Tuya cloud) |
| WIFI | 2.4G( Don’t support 5G) |
| Power Supply | 24Vac or 5V/2A (Mirco USB) |
| Frequency | IR work with ACs |
| Set Temp. Range | 16~30 ℃ |
| IR Range | 8 Meters |
| Sensor | Air sensor & Humidity sensor |
| Sensor Type | NTC β=3950 R25℃=10KΩ |
| Humidity Range | 5%~95% |
| Display Accurancy | ±0.1 ℃ |
| Compatibility | Air Conditioner >150 brands |
| Protection Class | IP20 |
| Thermostat Dimension | 105*90mm |
| Materils | ABS+PC (Rohs certificated) |
| Certificate | CE(RED/EMC/LVD), Rohs |
| OEM | 1. Customized logo and package |
| 2. Customzied software ( change to customer’s user interface and control logic | |
| 3. Customized hardware ( change the PCB and schematic based on the request) |
A: The E3 model has been officially discontinued as we have upgraded our product line to more advanced, BMS-compatible solutions. However, we offer several professional alternatives that provide superior control and integration features.
A: It depends on your project requirements:
For professional building integration, we recommend our BACnet MS/TP Thermostats.
For standard commercial or residential use, our latest Wi-Fi FCU Thermostats offer seamless App and Voice control.
A: Yes, E-TOP Controls continues to provide technical documentation and basic support for existing customers. However, for new projects or system expansions, we strongly suggest transitioning to our modern HVAC controllers for better long-term compatibility.
A: Absolutely. Our latest Wi-Fi and Zigbee solutions offer even more stable voice control integration and are compatible with the Tuya Smart / Smart Life platforms for an enhanced user experience.