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meross Smart Thermostat Review: Smart control for electric underfloor heating

Meross Smart Thermostat for Electric Underfloor Heating, WiFi Thermostat Works with Matter, HomeKit, Alexa, Google and Home Assistant, Smart Heating with Timer, App Control, Energy Saving, Hubless
Meross Smart Thermostat for Electric Underfloor Heating, WiFi Thermostat Works with Matter, HomeKit, Alexa, Google and Home Assistant, Smart Heating with Timer, App Control, Energy Saving, Hubless
4.8
[Wide Smart Home Compatibility]  Works with Matter, HomeKit, Alexa, Google, Siri, SmartThings and Home Assistant for flexible voice and app control.
[Direct Wi-Fi Connection]  Connects to 2.4GHz Wi-Fi using live+neutral wiring—simple installation without a separate hub.
[Smart Zoning & Sensors]  Supports multi-zone control and optional external sensors for precise, consistent warmth in bathrooms and saunas.
[Energy Reports & Savings]  Real-time usage reports plus open-window detection can reduce heating costs by up to 30%.
[Family-Safe, Intuitive Design]  Child lock, power recovery, dimmable LED and silent touch keys in a sleek white glass finish.
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Home heating controller built for electric underfloor systems, delivering precise temperature control and smart scheduling. Perfect for families who want warm floors without wasting energy. Is hubless WiFi and broad smart-home compatibility enough to make meross Smart Thermostat the right upgrade for your home?

⚡ At a Glance
  • Control & Compatibility: Designed specifically for electric underfloor heating; works with Matter, Apple HomeKit, Siri, Alexa, Google Assistant, Home Assistant and SmartThings. Requires 2.4GHz WiFi and live plus neutral wiring for direct network connection without a hub.
  • Best for: Homes with electric underfloor heating seeking app and voice control plus multi-zone scheduling
  • Not ideal for: Properties with water-based (hydronic) underfloor heating systems

Made for electric underfloor heating and compatible with major smart-home ecosystems. Connects directly to a 2.4GHz WiFi network and supports multi-zone scheduling.


Consistent Warmth Across Rooms – With external sensors and smart zoning

Optional external sensors measure ambient temperature and feed readings into multi-zone control, while programmable zones allow independent schedules per circuit. The thermostat mounts in a standard 86mm wall box and coordinates multiple zones for balanced floor temperatures.

More even surface and room temperatures, useful in bathrooms and rooms with sensitive flooring. Smart zoning helps avoid cold spots and delivers targeted comfort where it is needed most.

Lower Energy Waste – Thanks to open-window detection and energy reports

Rapid temperature drops from ventilation trigger open-window detection, temporarily stopping heating to avoid unnecessary run time. The Meross app displays real-time energy usage and temperature trends to highlight consumption patterns.

Reduced wasted heating during ventilation and clearer insight into energy use, making it easier to cut running costs and adjust habits.

Flexible Control at Home or Away – With Matter support and hubless 2.4GHz WiFi

Compatibility with Matter, Apple HomeKit, Alexa, Google Assistant, Home Assistant and SmartThings enables voice and multi-platform control. Direct 2.4GHz WiFi connection removes the need for an extra hub while allowing app-based scheduling and remote adjustments.

Preheat rooms from a phone or voice assistant and let different household members control settings from their own accounts. Hubless setup simplifies installation while keeping smart-home integration broad.

✨ The 4 Key Reasons for meross Smart Thermostat
  1. Open-window detection — Pauses heating during ventilation to avoid wasted energy
  2. Matter and HomeKit support — Lets multiple assistants control heating securely and reliably
  3. Up to 8 daily schedules — Tailors floor warmth to routines for consistent comfort
  4. Child lock & memory recovery — Keeps settings safe and restores after power cuts
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Heating type: Electric underfloor heating only (not water-based)
  • Compatibility: Matter, Apple HomeKit, Siri, Alexa, Google Assistant, Home Assistant, SmartThings
  • WiFi: 2.4GHz required
  • Wiring requirement: Live + neutral required
❓ Frequently Asked Questions

Q: Can the thermostat be used with water-based (hydronic) underfloor heating?

A: No. Designed specifically for electric underfloor heating and not suitable for water-based systems.

Q: Do I need a hub to connect to my smart home?

A: No hub is required; the thermostat connects directly to a 2.4GHz WiFi network and supports Matter and major smart platforms.

Q: What wiring is needed for installation?

A: Live and neutral wires are required for installation, and the unit fits a standard 86mm wall mounting box.

🏆 Our Verdict

Ideal for homeowners with electric underfloor heating who want app or voice control and multi-zone scheduling. The standout feature is broad smart-home compatibility combined with energy-saving functions such as open-window detection and detailed usage reports. While installation requires live and neutral wiring, long-term savings and flexible control make the unit a practical long-term investment.