MEROSS MTS215BMA-B(EU) Smart Wi-Fi Thermostat (Black)

The MEROSS MTS215BMA-B(EU) smart thermostat allows you to precisely regulate the temperature in the range from 5 to 35 °C with an accuracy of ±0.5 °C, ensuring comfort and energy savings. The device supports voltage from 100 to 250 V and a maximum load of 3 A, and thanks to 2.4 GHz Wi-Fi and Bluetooth Low Energy connectivity, it allows convenient remote control. Thanks to the compact housing with dimensions of 86 × 86 × 48 mm and an elegant glass panel, it fits perfectly into modern interiors.

Wide compatibility

The model is designed to work with water-based heating systems - including boilers and underfloor heating. Requires flush mounting with a phase (brown) and neutral (blue) wire, which ensures a stable power supply without the need for batteries. A minimum of 4 wires for the boiler and 3 wires for the underfloor heating are required for proper operation. Installation requires a box with a depth of more than 32 mm and a screw spacing of 60 mm, allowing easy installation in standard installations.

Voice control and Matter technology

Thanks to the support of Matter technology, you can control the temperature from various platforms and smart home ecosystems. The thermostat works with Apple Home, Amazon Alexa and Google Home, which allows for convenient voice control. A simple command is required to instantly adjust the conditions in the room. This solution significantly simplifies the daily use of heating.

Smart energy-saving features

The device offers schedules available in the Meross app, allowing you to adapt the heating to your daily routine. The open window detection function automatically stops the heating, thereby reducing energy loss. In addition, the app allows you to monitor daily, weekly and monthly consumption, helping you better control heating costs and efficiency.

Convenient operation and intuitive interface

The minimalist glass touch panel allows intuitive temperature control directly on the device. The app offers clear real-time information, such as the current heating status, and quick switching between manual, on and automatic modes. There are also preset temperature settings, including an economy mode, which simplifies everyday use and allows you to quickly respond to changing needs.

Included

• Wi-Fi thermostat
• User manual
• Wiring designation
• Sensor (β=3380 R25℃=10KΩ)
• Screws x4

Warranty: 12 months

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Same summary

The Meross MTS215BMA-B(EU) smart Wi-Fi thermostat with 230 V power supply is designed primarily for controlling underfloor heating in residential premises or houses where electrical wiring is installed. Due to the wired installation, it is suitable for renovations or new buildings where the technical requirements are already known in advance. For users who want easy remote control via Wi-Fi connection and prioritize connectivity with existing infrastructure, it brings a practical solution without the need for additional hub devices. When installing and connecting, some basic knowledge of electrical installations is recommended.

Recommendation source: Enaa guides and team experience.

User view

The Meross smart thermostat is a popular choice for those who want more control over their home temperature and want to automate energy efficiency, especially with underfloor heating. Users love to integrate it into their routines and schedules via the Wi-Fi app, helping to create a pleasant living environment, whether it's for everyday living or weekend cottages.

Those who are already familiar with the wider Meross product range appreciate the reliable operation and the possibility of integration into existing smart home systems. These features make Meross popular in households where ease of management and the possibility of central control are key requirements.

Why buy at Enaa

At Enaa, you can expect clear categorization of smart thermostats, making it easier to find the right model for your heating system. In addition, we often provide more detailed technical descriptions and filtering by important features, which is especially useful when choosing more technically demanding products, such as smart Wi-Fi thermostats.

Answers to frequently asked questions

Is this thermostat suitable for all types of underfloor heating?

The thermostat is designed for use with electric underfloor heating where a 230 V supply is available. Please check compatibility with your system before installation, especially with water underfloor systems or older installations.

What do I need to connect this thermostat to Wi-Fi?

Standard Wi-Fi home internet and the free Meross app are required. To use all functions, it is recommended that the signal in the installation room is strong enough.

Does the installation require professional installation?

Due to the 230 V connection, we recommend that the installation be carried out by a person with appropriate knowledge of electrical installations, as it involves a wired connection to a wall socket.

Can I use the thermostat without an internet connection?

Most basic control functions work locally, but advanced management, schedules and remote access require a Wi-Fi connection.

How is the thermostat compatible with other smart devices?

The thermostat works as a standalone unit via Wi-Fi, but you can also integrate it into compatible Meross ecosystems and other smart platforms, as long as they support Wi-Fi connectivity.

Description updated: June 2026