SPECIFICATIONS

The Meross Smart Matter Thermostat MTS215 is a smart high-voltage thermostat specifically designed for electric heating systems such as:

• Electric baseboard heaters
• Convector heaters
• Fan-forced heaters
• In-wall electric heaters

Unlike standard 24V HVAC thermostats, the MTS215 is built for:
120V−240V line-voltage heating systems120\text{V}-240\text{V line-voltage heating systems}120V−240V line-voltage heating systems

which makes it much more suitable for apartments, condos, and homes using electric baseboard heat.

For buyers shopping in this category, the most important factors are:

• Voltage compatibility
• Matter smart-home support
• Energy monitoring
• Ease of installation
• Voice assistant compatibility

The MTS215 includes:

• Matter smart-home support
• Wi-Fi connectivity
• Energy monitoring
• Weekly scheduling
• Voice assistant support
• Smartphone app control
• Touch controls
• Smart automation support

Its biggest advantage is that it combines:
Matter + High Voltage Heating Compatibility\text{Matter + High Voltage Heating Compatibility}Matter + High Voltage Heating Compatibility

which is still relatively uncommon in affordable smart thermostats.

Key features

Designed for electric baseboard heaters

The MTS215 is compatible with:

• Electric baseboard heaters
• Fan-forced electric heaters
• Convector heaters
• In-wall electric heating systems

It supports:
120VAC−240VAC120\text{VAC}-240\text{VAC}120VAC−240VAC

line-voltage systems instead of low-voltage HVAC wiring.

This is extremely important because standard HVAC thermostats generally do not work safely with electric baseboard heaters.

Matter smart-home compatibility

The thermostat supports:

• Apple HomeKit
• Amazon Alexa
• Google Home
• SmartThings
• Matter ecosystems

This improves:

• Cross-platform automation
• Future smart-home compatibility
• Easier device integration
• Multi-platform voice control

The Matter protocol is one of the thermostat’s biggest advantages compared with older Wi-Fi-only models.

Energy monitoring

One standout feature is:
Energy Consumption Monitoring\text{Energy Consumption Monitoring}Energy Consumption Monitoring

which helps users track:

• Heating energy usage
• Runtime behavior
• Efficiency patterns
• Estimated power consumption

This can help reduce:

• Winter electricity bills
• Excessive heating usage
• Unnecessary runtime

especially in colder climates.

Smartphone app control

The Meross app allows users to:

• Adjust temperatures remotely
• Create schedules
• Monitor heating status
• Create smart-home automations
• Manage multiple thermostats

This is especially useful for:

• Vacation properties
• Apartments
• Remote heating control
• Energy-saving routines

Voice assistant support

The thermostat supports:

• Siri
• Alexa
• Google Assistant

Users can control heating using voice commands such as:

• “Set temperature to 70 degrees”
• “Turn off bedroom heat”
• “Lower heating by 2 degrees”

Installation considerations

The thermostat typically requires:

• Four-wire installation
• Line-voltage heater wiring
• Electrical-box compatibility

Unlike low-voltage thermostats, installation involves:
High Voltage Electrical Wiring\text{High Voltage Electrical Wiring}High Voltage Electrical Wiring

which may require professional installation for some users.

Main advantages

Excellent smart-home compatibility

Matter support gives the MTS215 strong long-term ecosystem flexibility.

Specifically designed for electric heating

Many smart thermostats do not support:

• Baseboard heaters
• Line-voltage systems
• Electric convectors

The MTS215 directly targets this market.

Energy monitoring is very useful

The built-in power tracking helps users better manage heating costs.

Brand Name: Meross

Model Number: MTS215

Voltage: 110V