Device profile · Specifications & compatibility
Meross MTS300 Smart Thermostat
Meross · Thermostats · Model MTS300
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- Meross MTS300 Smart Thermostat lists Matter; External Temperature Sensors: Sold separately; Screen.
- Verify the exact device type, firmware and features exposed in your chosen platform.
- Matter support is not proof of feature parity.
Browse more from Meross or explore all thermostats in our catalog.
- Recorded year
- 2024
- Recorded warranty
- 3 years
- Dimensions
- 91 x 91 x 23 mm
- Weight
- ?
The details that shape your choice
Meross MTS300 Smart Thermostat Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
Meross MTS300 Smart Thermostat: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
Matter support is listed, making it a candidate for a compatible Matter setup after model and feature checks. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
View Matter details →A screen is listed, providing an on-device interface to investigate. Check which readings or controls are available on the device without opening an app.
View Screen details →A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. Local control over Matter
View Home Assistant details →
What to consider
Temperature alerts are recorded as unavailable.
View Temperature Alerts details →
Still needs verification
Confirm these details if they matter to your setup.
Questions About Meross MTS300 Smart Thermostat
Is a temperature sensor included with Meross MTS300 Smart Thermostat?
No, according to the listed specifications. This field describes the included accessories; it must not be confused with all sensor-integration capabilities.
View Temperature Sensor specifications →Does Meross MTS300 Smart Thermostat support Matter?
Matter integration is specified. North America version. A C wire or compatible adapter is required; use the manufacturer HVAC compatibility check. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
Source: Meross MTS300 Smart Thermostat manufacturer product page · Checked 2026-10-04
View Matter specifications →Does Meross MTS300 Smart Thermostat support external temperature sensors?
External Temperature Sensors: Sold separately. Check the supported sensor models and whether their readings control the heating system or only appear in the app. Meross MS130 or MS100F sensors, Meross Smart Hub required
View External Temperature Sensors specifications →Does Meross MTS300 Smart Thermostat include a screen?
Yes, according to the listed specifications. Check which readings or controls are available on the device without opening an app.
View Screen specifications →Does Meross MTS300 Smart Thermostat work with Home Assistant?
Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. Local control over Matter
View Home Assistant specifications →Explore the full picture
Meross MTS300 Smart Thermostat Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
2 of 43 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Included Accessories2 fields
| Trim Plate | Yes |
|---|---|
| Temperature Sensor | No |
Integrations7 fields
| Google Home | Yes |
|---|---|
| Alexa | Yes |
| Apple Home | Yes |
| SmartThings | Yes |
| Home Assistant | YesDetails & conditionsLocal control over Matter |
| Matter | YesManufacturer sourceMatter integration is specified. Meross MTS300 Smart Thermostat manufacturer product page →
North America version. A C wire or compatible adapter is required; use the manufacturer HVAC compatibility check. Document check only; not a hands-on test or verification of every regional or firmware variant. |
| External Temperature Sensors | Sold separatelyDetails & conditionsMeross MS130 or MS100F sensors, Meross Smart Hub required |
Connectivity6 fields
| 2.4 GHz Wi-Fi | Yes |
|---|---|
| 5 GHz Wi-Fi | No |
| Bluetooth | No |
| Z Wave | No |
| Zigbee | No |
| Thread | No |
Display6 fields
| Screen | Yes |
|---|---|
| Screen Type | LED |
| Color Screen | No |
| Touch Screen | Yes |
| Screen Size | Not recorded |
| Screen Resolution | Not recorded |
Alerts4 fields
| Temperature Alerts | No |
|---|---|
| Air Quality Alerts | No |
| Fire Alerts | No |
| Intrude Alerts | No |
Features8 fields
| External Temperature Sensors Selection | Sold separately |
|---|---|
| Energy Savings | Yes |
| System Health Monitor | YesDetails & conditionsFilter life and system malfunction alerts |
| Display Time | Not recorded |
| Display Temperature | Yes |
| Display Weather | No |
| Voice Control | Yes |
| Speaker | No |
Scheduling3 fields
| Manually | YesManufacturer sourceUsers can configure a weekly schedule. Meross MTS300 Smart Thermostat manufacturer product page →
North America version. A C wire or compatible adapter is required; use the manufacturer HVAC compatibility check. Document check only; not a hands-on test or verification of every regional or firmware variant. |
|---|---|
| Automatically | YesDetails & conditions7x24 schedule with up to 12 periods per day |
| Suggestions | No |
Sensors7 fields
| Proximity Motion | No |
|---|---|
| Occupancy | No |
| Temperature | YesDetails & conditionsAccuracy of 0.5 °C |
| Humidity | YesDetails & conditionsAccuracy of 10% RH |
| TVOC | No |
| CO₂ | No |
| Ambient Light | No |
How this device compares
Meross MTS300 Smart Thermostat vs Other Similar Models
Statistical context from 22 thermostats in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Matter: 7 of 22 known answers are Yes
Integrations: 32% among explicit Yes/No answers; 0 of 22 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Trim Plate: 7 of 22 known answers are Yes
Included Accessories: 32% among explicit Yes/No answers; 0 of 22 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
System Health Monitor: 10 of 21 known answers are Yes
Features: 48% among explicit Yes/No answers; 1 of 22 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
1 of 22 models are from Meross
Counts thermostats listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare Meross MTS300 Smart Thermostat vs Similar Thermostats
See how Meross MTS300 Smart Thermostat stacks up against other thermostats in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.