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22 devices · 9 brands

Thermostats: Compare Specifications

Smart thermostats control compatible heating or cooling systems through schedules, sensors or connected commands. Compatibility depends on the HVAC system and wiring.

Choose two or three devices to compare their recorded specifications, compatibility and missing information.

Compare thermostats →

Start with your question

Model-specific questions

Explore Thermostats

22 of 22 devices · Add 2–3 devices to compare their specifications.

Check compatibility with your setup

Each list separates models that work directly from models that need a hub or bridge, using the recorded specification for each device.

Smart Thermostats That Work With Matter (7) →Smart Thermostats That Work With Apple Home (HomeKit) (14) →Smart Thermostats That Work With Google Home (21) →Smart Thermostats That Work With Amazon Alexa (22) →Smart Thermostats That Work With Samsung SmartThings (21) →Smart Thermostats That Work With Home Assistant (17) →Smart Thermostats That Work With 5 GHz Wi-Fi (10) →

Before you choose

What Should You Check Before Buying?

Use these thermostats requirements to narrow your shortlist, then verify each requirement for the exact model.

  1. Identify the HVAC type, control voltage and wiring before choosing a model.
  2. Check the manufacturer compatibility tool for the exact system.
  3. Verify remote sensor support and how those readings affect control.
  4. Check which scheduling and manual controls remain available offline.
Check networks, controllers and integration requirements →Interpret specification differences and missing data →

Inside this catalog

How do thermostats differ?

Counts below are calculated from 22 catalog devices. They describe the recorded data, not the whole market or independent product tests.

Selected specifications: recorded values and gaps
SpecificationRecorded values · device countExplicit valuesUnresolved
Temperature SensorIncluded AccessoriesNo: 18Yes: 422 of 220 of 22
MatterIntegrationsNo: 15Yes: 722 of 220 of 22

Unknown, unspecified and conflicting values are unresolved. Explicit “No” counts as recorded. Units and model variants are not normalized. Check the product notes before treating a value as a fit for your setup.

How these catalog statistics are calculated →

Catalog-level statistics

Thermostats: recorded feature coverage

Based on 22 devices in this directory. Feature percentages use explicit Yes/No answers only; unresolved answers are shown separately. These figures are not market share.

Integration and protocol support

Alexa · Integrations100%22 Yes / 22 known; 0 unresolved
Google Home · Integrations95%21 Yes / 22 known; 0 unresolved
Apple Home · Integrations64%14 Yes / 22 known; 0 unresolved
Matter · Integrations32%7 Yes / 22 known; 0 unresolved
Zigbee · Connectivity5%1 Yes / 22 known; 0 unresolved
Z Wave · Connectivity0%0 Yes / 22 known; 0 unresolved

Features with the most recorded Yes answers

Alexa · Integrations100%22 Yes / 22 known; 0 unresolved
Automatically · Scheduling100%22 Yes / 22 known; 0 unresolved
Energy Savings · Features100%22 Yes / 22 known; 0 unresolved
Manually · Scheduling100%22 Yes / 22 known; 0 unresolved
Temperature · Sensors100%22 Yes / 22 known; 0 unresolved
Voice Control · Features100%22 Yes / 22 known; 0 unresolved
2.4 GHz Wi-Fi · Connectivity95%21 Yes / 22 known; 0 unresolved
Display Temperature · Features95%21 Yes / 22 known; 0 unresolved
Google Home · Integrations95%21 Yes / 22 known; 0 unresolved
Screen · Display95%21 Yes / 22 known; 0 unresolved
How these figures are calculated →

Comparisons With Manufacturer-Source Research

These briefs verify a stated set of facts and explain what those differences mean for a buying decision.

Ecobee Enhanced vs Premium: included sensors and installation requirements →

Which Brands Are In This Catalog?

Device counts refer to this category’s catalog entries, not the manufacturer’s entire range.

Honeywell Home6 devicesSensi4 devicesGoogle3 devicesEcobee3 devicesCielo2 devicesMeross1 deviceEve1 deviceAqara1 deviceAmazon1 device

Plan the rest of your setup

These categories address related jobs. Check model-level compatibility before combining devices.

Temperature & Humidity Sensors

Temperature and humidity sensors report ambient conditions at the sensor location. Accuracy, placement and reporting interval determine how useful the readings are.

Radiator Valves

Smart radiator valves adjust flow through compatible radiators to control room heating. Valve-body fit and the wider heating system affect how the control works.

Energy Monitors

Energy monitors measure electricity use at a device, circuit or whole-home level. Measurement scope determines which questions the readings can answer.