Device Overview

Ecobee SmartThermostat Premium mounted on a light-gray wall at a 3/4 angle, showing its 4-inch LCD display and zinc alloy frame, with a SmartSensor on a nearby shelf.
The ecobee SmartThermostat Premium (EB-STATE6-01) with included SmartSensor.

The ecobee SmartThermostat Premium (model family EB-STATE6; standard US retail unit EB-STATE6-01) is ecobee's current flagship Wi-Fi thermostat. It launched on May 17, 2022, replacing the SmartThermostat with Voice Control, and carries an MSRP of $259.99. The device is available directly from ecobee.com and through major retail channels including Amazon (ASIN B09XXS48P8).

This page is an entity-structured Device Library profile — a single verified reference for hardware specs, connectivity protocols, platform compatibility, HVAC compatibility, subscription structure, and ENERGY STAR data. It is not a review, editorial opinion piece, or buyer guide.

At-a-Glance Specs

Core hardware specifications for the ecobee SmartThermostat Premium (EB-STATE6-01). Source: ecobee official product page.
SpecificationValue
Model NumberEB-STATE6-01 (family: EB-STATE6*)
Launch DateMay 17, 2022
MSRP$259.99 (verify at publication)
Thermostat Body Dimensions103.89 × 103.89 × 25.9 mm (4.09" × 4.09" × 2.9")
Trim Plate Dimensions143.5 × 159.9 × 7.71 mm
PEK Dimensions62 × 62 × 23 mm
Weight0.61 kg
Display4-inch full-color LCD touchscreen, 540 × 540 px
Color / FinishBlack front, die-cast zinc alloy metal frame with silver accents
Power SourceWired 24VAC; no batteries required
Power ConsumptionUp to 3.5VA; standby 1.83W
Bandwidth15–20 MB/month
Warranty3-year limited
Hub RequiredNone — operates standalone over Wi-Fi

Sensor Specifications

Onboard sensor specifications for the ecobee SmartThermostat Premium. Source: ecobee official product page.
SensorType / TechnologyAccuracy / Range
Occupancy SensorRadar (not PIR)Detects motion and presence; operates around corners
Proximity SensorRadarActivates display on approach
Temperature SensorBuilt-in±1°F (±0.5°C) sensitivity; display range 40–100°F; operating range 14–122°F
Humidity SensorBuilt-in±5% sensitivity; display range 20–90% RH; operating range 5–95% RH
Air Quality MonitorVOC / CO2 (built-in)Monitors volatile organic compounds and CO2 levels

Connectivity and Protocols

Connectivity protocols supported by the ecobee SmartThermostat Premium. Source: ecobee official product page.
Protocol / TechnologySpecificationPurpose
Wi-Fi (2.4GHz band)802.11 b/g/n @ 2.4GHzPrimary cloud connectivity
Wi-Fi (5GHz band)802.11 a/n/ac @ 5GHzPrimary cloud connectivity (dual-band)
BluetoothBluetooth 5.0Setup and local communication
Proprietary Radio915MHzSmartSensor pairing and communication
Wi-Fi SecurityWPA / WPA2 / WPA3Network encryption
Data Encryption168-bit SSLCloud communication security
IP ConfigurationDHCP or static IPNetwork configuration flexibility
ThreadNot supported—
MatterNot supported as of June 2026—

Compatible Smart Home Platforms

Officially supported smart home platforms and integration methods. Sources: ecobee official product page; Home Assistant integration documentation.
PlatformIntegration MethodKey Notes
Apple HomeKitNative HomeKit integrationSiri control via HomePod or HomePod mini; iOS 15+ required on controlling device
Amazon AlexaBuilt-in speaker and microphoneAlexa is fully onboard — no external Echo device needed; appears as Alexa animation on display
Google AssistantCloud integrationRequires an external Google speaker or display; no built-in Google Assistant microphone
Samsung SmartThingsCloud integrationListed as officially supported; verify current SmartThings app version compatibility
IFTTTCloud integrationSupported for trigger/action automations
Home AssistantCloud Polling (native ecobee integration)Since HA 2026.3: authenticate with ecobee.com username and password — no developer API key required. Supports thermostat control, climate presets, ventilator/HRV/ERV control, and custom actions.

HVAC System Compatibility

The SmartThermostat Premium is compatible with approximately 95% of 24VAC HVAC systems — the highest compatibility figure in the current ecobee lineup. All supported systems must operate on 24VAC low-voltage wiring.

Two-zone diagram showing compatible HVAC system types with green checkmarks on the left and incompatible system types with red X indicators on the right.
Supported and unsupported HVAC system types for the ecobee SmartThermostat Premium.

Supported HVAC System Types

  • Conventional furnaces and central air conditioners — up to 2 heating stages / 2 cooling stages (2H/2C)
  • Heat pumps — up to 2H/2C with 2-stage auxiliary (AUX) heat
  • Boilers (24VAC)
  • Packaged Terminal Air Conditioners (PTACs)
  • Fan coil units — up to 3 fan speeds
  • One HRV, ERV, humidifier, or dehumidifier accessory (1-wire or 2-wire)

Not Compatible With

  • Line voltage systems (110V or 220V)
  • Millivolt systems (e.g., gas fireplaces, older gravity furnaces)
  • 0-10VDC systems

Wire Terminals (12 Total)

All 12 wire terminals on the ecobee SmartThermostat Premium. Source: ecobee official product page and Amazon listing.
TerminalTerminalTerminalTerminal
RcRhGY1
Y2OBPEK+C
W1W2ACC−ACC+

Subscription Structure

Core thermostat functionality — scheduling, remote control, eco+ energy optimization, and all smart home platform integrations — requires no subscription. The optional ecobee Smart Security subscription unlocks additional security device features and professional monitoring add-ons.

ecobee Smart Security subscription tiers and professional monitoring add-ons. Source: ecobee Smart Security plans page, verified June 2026.
PlanCostWhat's Included
CoreFree (with a registered security device)Motion and person detection, door/window open alerts. No professional monitoring. No camera history.
Plus$5/month or $50/yearEverything in Core, plus: 30-day event history for 1 camera, package detection for 1 camera, smoke alarm listening and alerts, enhanced energy savings. Professional monitoring add-on eligible.
Advanced$10/month or $100/yearEverything in Plus, for unlimited cameras.
Professional Monitoring — Smoke Alarm Detection (add-on)+$5/month or +$50/yearRequires Plus or Advanced. Smoke alarm detection requires a sound-enabled ecobee device such as the SmartThermostat Premium.
Professional Monitoring — Total Protection (add-on)+$10/month or +$100/yearRequires Plus or Advanced. Full professional monitoring coverage.

ENERGY STAR Certification and Energy Savings

ENERGY STAR certification data for the ecobee SmartThermostat Premium. Sources: EPA ENERGY STAR database (ID 2393822); ecobee official product page.
FieldValue
ENERGY STAR CertifiedYes
ENERGY STAR Unique ID2393822
Certified Model FamilyEB-STATE6*
Date CertifiedApril 25, 2023
Date Available on MarketMay 17, 2022
MarketsUnited States and Canada
Standby Power1.83W
Estimated Heating/Cooling SavingsUp to 26%
Estimated Annual Dollar Savings~$284 USD/year (ecobee internal estimate, April 2021)
Utility RebatesWidely available — check local utility programs
Community Energy SavingsDemand-response feature included at no charge

Installation Requirements and What's in the Box

Installation summary for the ecobee SmartThermostat Premium.
Installation DetailValue
Installation TypeDIY
Estimated Time~45 minutes
C-Wire RequiredNo — Power Extender Kit (PEK) included for homes without C-wire
Trim Plate IncludedYes — covers larger thermostat footprints from previous thermostats
Warranty3-year limited
Return Policy30-day free return
ShippingFree (from ecobee.com)

Box Contents

  • ecobee SmartThermostat Premium thermostat unit
  • Mounting plate
  • Trim plate (for covering legacy thermostat cutouts)
  • Power Extender Kit (PEK) — for homes without a C-wire
  • SmartSensor with stand and adhesive wall mount
  • Wire labels
  • Screws and wall anchors
  • Quick-start guide

Ecobee Lineup Comparison: Premium vs. Enhanced vs. Essential

The following table summarizes the key hardware differentiators across the three current ecobee thermostat tiers. This is a schema-supporting reference snapshot — not an editorial recommendation.

Ecobee lineup comparison across Premium, Enhanced, and Essential. Sources: ecobee official product page; Amazon listing; CNET hardware comparison (August 2022). Verify current Enhanced and Essential specs at publication.
FeaturePremium (EB-STATE6)EnhancedEssential
Body MaterialDie-cast zinc alloy framePlastic bodyPlastic body
Built-in Alexa SpeakerYes (fully integrated)NoNo
Built-in Air Quality Monitor (VOC/CO2)YesNoNo
Included SmartSensorYesNoNo
Occupancy Sensor TypeRadarRadarPIR (older technology)
Siri / HomeKit SupportYesCheck current specsCheck current specs
HVAC Compatibility~95% of 24VAC systems~90% of 24VAC systems~85% of 24VAC systems
Wi-Fi BandsDual-band (2.4GHz + 5GHz)Dual-band (2.4GHz + 5GHz)2.4GHz only
MSRP$259.99Lower (verify current pricing)Lower (verify current pricing)
PEK IncludedYesYesSold separately

Sustainability and Additional Notes

Sustainability Credentials

  • Recycled packaging materials
  • Mercury-free
  • Arsenic-free
  • PVC-free
  • RoHS compliant