Smart thermostat MEROSS MTS155MAT

The MEROSS MTS155MAT smart radiator thermostat lets you conveniently manage the temperature in your home, ensuring thermal comfort and helping to reduce unnecessary energy consumption. The device uses Matter over Thread technology, allowing it to work with popular smart home systems such as Apple Home, Google Home, and Amazon Alexa. It enables remote control of heating via an app and voice commands, as well as the creation of schedules tailored to your daily routine. The open-window detection feature helps reduce energy loss, the heating history makes it easier to monitor costs, and automatic maintenance ensures the valve operates properly. Thanks to the M30 × 1.5 connection and the 6 adapters included in the set, the thermostat fits many popular radiator valves.

You can integrate the MEROSS MTS155MAT with various smart home systems and adjust the temperature using the app or voice commands directed at Siri, Alexa, and Google Assistant. You don’t have to go to the radiator to change the settings. The device supports Thread 1.4 and Bluetooth 6.0 and does not require a dedicated Meross gateway. However, to use Matter features, you’ll need a compatible Matter controller with a Thread edge router, such as the Apple HomePod mini, 4th-generation Amazon Echo, or 2nd-generation Google Nest Hub.

In the Meross app, you can set up a heating schedule that automatically adjusts the temperature according to the times you select. Set a higher temperature for the morning and evening when you’re at home, and a lower one for when you’re away. This ensures your rooms are heated according to your daily schedule, without the need to constantly adjust the thermostat manually. It helps reduce energy consumption when intense heating isn’t necessary.

The MEROSS MTS155MAT thermostat is equipped with an open window detection feature that helps reduce energy loss while ventilating a room. When you open a window, the device can automatically pause heating for a certain period of time. This prevents the radiator from running unnecessarily while the room is being ventilated, helping you save energy without having to manually change the settings.

The Meross app lets you track the history of temperature changes, heating times, and valve positions. Data presented in daily, weekly, monthly, and yearly views allows you to analyze heating performance and fine-tune your schedule. Once you enter your heating rate, the app can also help estimate costs. This makes it easier to identify where you can save energy.

The MEROSS MTS155MAT offers an automatic valve maintenance feature that can be enabled in the Meross app. The device regularly performs a full cycle of opening and closing the valve, helping to prevent limescale buildup and mechanism jamming. This ensures the valve operates smoothly and remains accurately calibrated. Additionally, the reinforced design increases the thermostat’s durability, and the improved measurement accuracy helps maintain the set temperature.

The thermostat is equipped with an M30 × 1.5 connector, and the kit includes 6 adapters: Danfoss RA, RAV, RAVL, Giacomini, Caleffi, and M28 × 1.5. This allows the device to be installed on many popular radiator valves without having to replace the entire radiator. The housing, measuring 8.2 × 5 × 5 cm, has a compact design, and power from two 1.5 V AA batteries eliminates the need for wiring. Batteries are not included.

• MEROSS MTS155MAT smart radiator thermostat
• Danfoss RA adapter
• Danfoss RAV adapter
• Danfoss RAVL adapter
• M28 × 1.5 adapter
• Caleffi adapter
• Giacomini adapter
• User manual

Claim orders from Stores

You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).

Please wait for an email notification regarding Your order status update.

Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva

Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva

Local delivery in Lithuania

Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.

Local delivery  (1-4 w.d.) price for items of any size is through through courier service is 4.90€ (incl. VAT), if the amount of the shopping cart exceeds 150€ - delivery is free.

Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.90€ incl. VAT, if the amount of the shopping cart exceeds 50€ - delivery is free.

Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.90€ incl. VAT,if the amount of the shopping cart exceeds 70€ - delivery is free.

Payment on delivery (COD) +2.00€ (incl. VAT).

You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.

A separate delivery fee applies to oversized items, regardless of the amounts and conditions stated above.

International delivery pricing through courier service

International shipping prices depend on geographic location:

Latvia - 5.50€ (incl. VAT)

Estonia - 6.50€ (incl. VAT)

Paid orders of more than 150€ are shipped for free to Latvia and Estonia.

other countries - negiotiated individually.

International delivery pricing to Omniva/Venipak parcel terminals

Latvia - 6.00€ (incl. VAT)

Estonia - 8.50€ (incl. VAT)

Payments:

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