Thermostats · Head to head

Honeywell Home T5 Smart Thermostat vs Meross MTS300 Smart Thermostat

Full Smart Thermostats comparison in 2026

Updated October 2026
Data from Amazon and official Honeywell Home and Meross sites.
2026 verdict
For most buyers in 2026, Meross MTS300 Smart Thermostat is the safer pick over Honeywell Home T5 Smart Thermostat because of price, warranty, and included accessories.
Meross MTS300 Smart Thermostat
Winner
Meross MTS300 Smart Thermostat
$55.99$58.995% OFF

Last recorded price

Buy on Amazon USA
What pushes it ahead is price, warranty, and included accessories, and integrations and sensors keep the advantage from looking narrow. Honeywell Home T5 Smart Thermostat still makes sense if rating and alerts are your priority, but most buyers should still lean toward Meross MTS300 Smart Thermostat. For most setups, Meross MTS300 Smart Thermostat is the smarter buy.
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FeatureHoneywell Home T5 Smart ThermostatMeross MTS300 Smart ThermostatWinner
Price$76.99$55.99Meross MTS300 Smart Thermostat
Rating4.33.8Honeywell Home T5 Smart Thermostat
Warranty2 years3 yearsMeross MTS300 Smart Thermostat
Included accessoriesNoneTrim PlateMeross MTS300 Smart Thermostat
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature SensorsMeross MTS300 Smart Thermostat
SensorsTemperatureTemperature, HumidityMeross MTS300 Smart Thermostat
AlertsTemperature AlertsNoneHoneywell Home T5 Smart Thermostat
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
ScreenYESYESTie
Energy SavingsYESYESTie
System Health MonitorYESYESTie
Voice ControlYESYESTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Honeywell Home T5 Smart Thermostat
  • Meross MTS300 Smart Thermostat

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Frequently Asked Questions

Which is better overall: Honeywell Home T5 Smart Thermostat or Meross MTS300 Smart Thermostat?

Meross MTS300 Smart Thermostat has the stronger overall profile in this comparison, especially for price, warranty, and included accessories.

What is the biggest difference between Honeywell Home T5 Smart Thermostat and Meross MTS300 Smart Thermostat?

Price is one of the clearest differences: Honeywell Home T5 Smart Thermostat lists $76.99, while Meross MTS300 Smart Thermostat lists $55.99.

Which one looks better on price?

Honeywell Home T5 Smart Thermostat is listed at $76.99, while Meross MTS300 Smart Thermostat is listed at $55.99. Meross MTS300 Smart Thermostat (better spec).

Who should buy Honeywell Home T5 Smart Thermostat?

Choose Honeywell Home T5 Smart Thermostat if your priority is rating and alerts and that matters more than price.

Who should buy Meross MTS300 Smart Thermostat?

Choose Meross MTS300 Smart Thermostat if your priority is price and warranty and that matters more than rating.

Full comparison table

Compare all 23 Thermostats side by side

You are looking at two of them. The full table lines up all Thermostats in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 23 Thermostats
  • 51 specs compared
  • 47 filters
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