meross Smart Thermostat Boiler WLAN Heating Thermostat Digital WiFi Room Thermostat Intelligent Wall

Features and specifications in this description are as the brand describes them.

Overview

The meross Smart Thermostat is a wall-mounted WiFi heating controller designed for boilers and water-based underfloor heating systems. It operates without a hub and connects to 2.4 GHz WiFi networks, allowing control through a smartphone app, voice commands or automated schedules.

The device features a white LED touchscreen display covered by a glass panel and measures 8.6 × 8.6 × 4.2 centimetres. It is hardwired with 230-volt power and supports voice control through Apple HomeKit, Amazon Alexa and Google Assistant. The brand says it is compatible with most boiler systems and includes both app-based programming and seasonal operating modes.

Key features

• Temperature precision: According to the manufacturer, the unit offers 0.1°C accuracy with an adjustable range of 5 to 35°C, using an integrated air temperature sensor and an external sensor for floor overheating protection.
• Voice and app control: The thermostat works with Siri, Alexa and Google Assistant, and can be managed through the Meross app or Apple Home on compatible devices including Apple Watch, Apple TV and HomePod.
• Summer cooling mode: The brand lists a summer mode function designed for cooling systems such as air-energy heat pumps, allowing the thermostat to manage cooling as well as heating.
• Hub-free operation: The device connects directly to WiFi without requiring a separate hub, and supports programmable schedules and automation scenarios.
• Installation package: The unit is supplied with an external sensor, mounting screws and installation instructions, and the manufacturer offers a two-year warranty.