Product Library / Thermostats

Research profile · last verified 2026-10-09

ecobee Smart Thermostat Essential

Compatibility at a glance

Does it work with your platform?

Choose your platform to see its setup and functions. Your choice carries across product pages.

[12][30][41][44][47][58]
[10][30][41][44][47]
[13][14][33][49][53]
[3][7][26][32][46][52]

A connection can work while individual controls or automations remain unconfirmed. Read the connection details ↓

Protocols: WIFI[4][6][18][27][35][48]

Before you buy

What do you need to make it work?

No hub for the device alone

Choose a platform above for its connection. A hub can be optional for the device itself and required for a platform or automation.

One device can provide more than one role. These are setup requirements, not a shopping list of separate purchases.

What could you do with this?

Put its functions to use.

Research, not hands-on testing

Start with a documented control or event. The selected connection shows what is confirmed for that platform.

Documented device function

Target temperature

The device supports this control.

Compare its platform availability in the table below.

Setup and sources

Device documentation: [16] [30] [43] [47] [55]

Documented device function

HVAC mode

The device supports this control.

Compare its platform availability in the table below.

Setup and sources

Device documentation: [16] [30] [43] [47] [55]

A documented control or event is one part of a setup. It does not by itself establish a complete automation.

The functions, side by side

What can you use, and where?[16][30][43][47][55]

A platform connection does not confirm every function. Controls and reported events are shown separately from what an automation can use.

Controls
2 documented
Reported events
Not established from vendor documentation

Compare all five platforms. On a narrow screen, scroll the table sideways.

Documented device functions, platform controls and automation availability
Device functionApple HomeWorks[11][29][30][34][44][45][47][54]Google HomeWorks; target temperature and HVAC mode unconfirmed[12][30][41][44][47][58]AlexaWorks per the maker; details unconfirmed[10][30][41][44][47]SmartThingsInconclusive[13][14][33][49][53]Home AssistantWorks[3][7][26][32][46][52]
Target temperatureDevice control
Control

Works

Control

Not stated

Control

Not stated

Control

Inconclusive

Control

Works

HVAC modeDevice control
Control

Works

Control

Not stated

Control

Not stated

Control

Inconclusive

Control

Works

Automation availability for this model is not established.

✓ Documented for this connection. × A stated limit. ◐ A partial function. ? Not established. A listed device function does not establish a complete routine, its other equipment or any plan requirements.

Setup and sources

Apple Home

Connects to Apple Home via HomeKit over WiFi — no Thread or Matter on this model, so it joins Apple Home directly rather than through a Matter controller. Apple lists it among its thermostats, so setting the temperature and changing the heating or cooling mode both work in Apple Home.[11][29][30][34][44][45][47][54]

Google Home

ecobee connects this thermostat to Google Home when you link your ecobee account through Works with Google in the Google Home app. ecobee doesn't say which controls Google gets, so target temperature and HVAC mode are unconfirmed there.[12][30][41][44][47][58]

Alexa

ecobee lists Alexa among the platforms this thermostat pairs with. It doesn't say how it connects to Alexa or what Alexa can control, so setting the temperature and changing the heating or cooling mode with Alexa are unconfirmed.[10][30][41][44][47]

SmartThings

Not established, and the page that looks like it settles this does not. The Essential's own specification table carries a row reading 'Works with Google Assistant, Apple HomeKit, Amazon Alexa', and SmartThings is not on it. Read alone that would be a no. It is not, because ecobee's own smart-home integrations page lists SmartThings under 'Works with Thermostat' and describes 'adding your ecobee devices to your SmartThings scenes and routines' with no model named — and that page does scope an integration by model when it means to, footnoting its Generac tie-in as 'available with the ecobee Smart Thermostat Premium and Smart Thermostat Enhanced models'. Samsung's own ecobee partner page lists Thermostat as a supported category and names no models at all. So one ecobee page enumerates and leaves SmartThings out, another says ecobee thermostats work with it, and neither speaks about the Essential by name. Treat SmartThings on this exact model as unverified and ask ecobee before buying for it.[13][14][33][49][53]

Home Assistant

Home Assistant's ecobee integration is community-maintained and works through your ecobee account in the cloud rather than talking to the thermostat on your own network. It sets the temperature and switches between heat, cool, auto and off. Since Home Assistant 2026.3 an ecobee login is enough — no developer key to register first. If you want local control instead, pair the thermostat through Home Assistant's HomeKit Device integration.[3][7][26][32][46][52]

Device documentation: [16] [30] [43] [47] [55]

Listed device functions are established from vendor documentation. An ability missing here is unestablished, not necessarily absent.

Connection details and setup sources
EcosystemSupportThe catch
Amazon AlexaWorks per the maker; details unconfirmedWorks per the maker; details unconfirmed — see the catch[10][30][41][44][47]ecobee lists Alexa among the platforms this thermostat pairs with. It doesn't say how it connects to Alexa or what Alexa can control, so setting the temperature and changing the heating or cooling mode with Alexa are unconfirmed.
Google HomeWorks; target temperature and HVAC mode unconfirmedWorks; target temperature and HVAC mode unconfirmed — see the catch[12][30][41][44][47][58]ecobee connects this thermostat to Google Home when you link your ecobee account through Works with Google in the Google Home app. ecobee doesn't say which controls Google gets, so target temperature and HVAC mode are unconfirmed there.
Apple HomeWorksWorks with this ecosystem[11][29][30][34][44][45][47][54]Connects to Apple Home via HomeKit over WiFi — no Thread or Matter on this model, so it joins Apple Home directly rather than through a Matter controller. Apple lists it among its thermostats, so setting the temperature and changing the heating or cooling mode both work in Apple Home.
SmartThingsInconclusiveWe researched this and the evidence doesn't settle it — the catch explains why[13][14][33][49][53]Not established, and the page that looks like it settles this does not. The Essential's own specification table carries a row reading 'Works with Google Assistant, Apple HomeKit, Amazon Alexa', and SmartThings is not on it. Read alone that would be a no. It is not, because ecobee's own smart-home integrations page lists SmartThings under 'Works with Thermostat' and describes 'adding your ecobee devices to your SmartThings scenes and routines' with no model named — and that page does scope an integration by model when it means to, footnoting its Generac tie-in as 'available with the ecobee Smart Thermostat Premium and Smart Thermostat Enhanced models'. Samsung's own ecobee partner page lists Thermostat as a supported category and names no models at all. So one ecobee page enumerates and leaves SmartThings out, another says ecobee thermostats work with it, and neither speaks about the Essential by name. Treat SmartThings on this exact model as unverified and ask ecobee before buying for it.
Home AssistantWorksWorks with this ecosystem[3][7][26][32][46][52]Home Assistant's ecobee integration is community-maintained and works through your ecobee account in the cloud rather than talking to the thermostat on your own network. It sets the temperature and switches between heat, cool, auto and off. Since Home Assistant 2026.3 an ecobee login is enough — no developer key to register first. If you want local control instead, pair the thermostat through Home Assistant's HomeKit Device integration.

? Inconclusive means we researched that ecosystem and the evidence doesn’t settle it — the catch says why, and the sources are listed below. It is a statement about the available evidence, never a verdict on the product. A Setup Check researches your exact setup where the official sources don’t answer.

Plans and ongoing costs[2][30][47]

✓ Works without a subscription: Yes.

Vendor account required: Not established — we have not sourced this yet.

eco+ optimization software is free; no subscription for thermostat function

Maintenance and offline use[8]

The catch

No room sensor in the box (SmartSensor is an add-on), no power-extender kit in the box either (unlike the Premium — $25 more if you lack a C-wire), no Matter path anywhere in ecobee's lineup yet, and SmartThings support is unverified for this specific model.

Who it's for

The budget path into ecobee's sensor ecosystem for Alexa, Google, and especially Apple homes — the newer model that replaced the ecobee3 Lite, and at regular prices now the cheaper of the two.

Check availability at ecobee

This opens ecobee's own website. We earn nothing from this link.

Sources & method

Numbered sources below back the facts marked with the matching number above. This is a research profile: compiled from manufacturer documentation, certification registries, and published testing — we state facts, not verdicts, and we have not physically tested this unit. How we work →

59 numbered sources· read them in the source's own words
  1. [1] ecobee, smart thermostats lineup page — Read on the maker's own site, verified 2026-08-07
    Backs: Price
  2. [2] ecobee's own Smart Thermostat Essential product page (read 2026-08-08): '$139.99', 'Free shipping', '1 × Smart Thermostat Essential' in the box with the Power Extender Kit and Trim Kit 'sold separately', ecosystem badges for Apple HomeKit / Works with Alexa / Google Assistant, '3-year manufacturer's warranty'; ecobee's smart-thermostats lineup page, same read, showing the live three-model range (Premium $259.99 · Enhanced $199.99 · Essential $139.99); ecobee's Power Extender Kit accessory page ($24.99, the except-Essential-and-Lite sentence, system exclusions); ecobee's eco+ page (included at no additional cost, automatically enabled) — Read on the maker's own site, verified 2026-08-08
    Backs: Price, Subscription, Market availability, Service status, Research status
  3. [3] Home Assistant official documentation for the ecobee integration (read 2026-08-08): IoT class 'Cloud Polling', 'used by 1.5% of the active installations', and 'it is no longer required to get a developer API key to use this integration. Existing API keys will continue to function.' — Read on the maker's own site, verified 2026-08-08
    Backs: Service status, Home Assistant compatibility
  4. [4] The Connectivity Standards Alliance's certified-products registry, searched for ecobee — no Matter certificate for any ecobee product, while the same registry search confirmed answering for 'aqara' in the same sitting — Checked a certification register, verified 2026-08-08
    Backs: Protocols
  5. [5] A search check on the certification registry used another company's products (Aqara) to test that the search answers. Those certificates belong to different products and say nothing about this one., verified 2026-08-08
  6. [6] CSA certified-products database: zero Matter certifications for ecobee Technologies ULC; no Matter documentation in ecobee's help center — Checked a certification register, verified 2026-07-15
    Backs: Protocols
  7. [7] Home Assistant's ecobee integration page — the integration works through an ecobee cloud account, and the developer-key requirement was dropped in Home Assistant 2026.3 — Read on the maker's own site, verified 2026-07-15
    Backs: Home Assistant compatibility
  8. [8] ecobee.com Essential product page + install guide (C-wire/24VAC requirement; PEK sold separately) + official PEK page ('comes with all ecobee smart thermostats except Smart Thermostat Essential and Smart Thermostat Lite', $24.99, system exclusions) — Read on the maker's own site, verified 2026-07-15
    Backs: Works without the internet
  9. [9] ecobee official press release 'Introducing ecobee Smart Thermostat Essential' (CES Jan 2025) + ecobee.com 2026 lineup page ($139.99) + ecobee.com/ecobee3-lite redirect — Read on the maker's own site, verified 2026-07-15
    Backs: Product identity, Market availability
  10. [10] ecobee official Essential product page (ecobee.com/en-us/smart-thermostats/smart-thermostat-essential: lists Amazon Alexa with Works-with-Alexa badge) + ecobee launch press release 2025-01-06 ('works with Amazon Alexa, Apple HomeKit, and Google Assistant'). Works-with only — unlike the Premium, the Essential has no built-in Alexa voice — Read on the maker's own site, verified 2026-07-21
    Backs: Amazon Alexa compatibility
  11. [11] ecobee official Essential product page ('Works with leading smart home ecosystems, including Apple Home', Apple HomeKit badge) + ecobee launch press release 2025-01-06 naming Apple HomeKit for the Essential specifically. Neither mentions Matter or Thread — the path is classic HomeKit over WiFi — Read on the maker's own site, verified 2026-08-20
    Backs: Apple Home compatibility
  12. [12] ecobee official Essential product page (Google Assistant badge) + ecobee launch press release 2025-01-06 ('works with Amazon Alexa, Apple HomeKit, and Google Assistant') — model-specific manufacturer confirmation — Read on the maker's own site, verified 2026-08-20
    Backs: Google Home compatibility
  13. [13] Samsung SmartThings partner page for ecobee (read 2026-08-08): device categories 'Motion Sensors, Switch/dimmer, Thermostat'; 'ecobee Products' section states 'No products available in your region' — no model names anywhere. Cross-checked against ecobee's own Smart Thermostat Essential product page, same read, which names Apple HomeKit, Alexa and Google Assistant and is silent on SmartThings — Read on the maker's own site, verified 2026-09-18
    Backs: SmartThings compatibility
  14. [14] ecobee smart-home integrations page (ecobee.com/smart-home: Samsung SmartThings listed only as 'Works with Thermostat', no models named); the Essential's own product page and 2025-01-06 press release name Alexa/Apple/Google but not SmartThings; Samsung's partner page (partners.smartthings.com/partners/ecobee) lists 'Thermostat' as a category without naming models. The unknown stays — no primary source names this pairing, and the failed resolution attempt is recorded here — Read on the maker's own site, verified 2026-09-18
    Backs: SmartThings compatibility
  15. [15] ecobee.com Smart Thermostat Essential product page and home-assistant.io/integrations/ecobee, both re-read 2026-08-18 — Read on the maker's own site, verified 2026-08-18
  16. [16] ecobee.com/en-us/smart-thermostats/smart-thermostat-essential/, read 2026-08-20: "Change the temperature with a tap on your phone and a flick of the wrist" — adjustable "from bed, the couch, even right from your wrist mid-run" via smartphone, tablet or Apple Watch; and the ecosystem sentence "works with the platforms you already use, including Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings." On fan behaviour the page says only "Smart Thermostat Essential automatically runs the fan after a cycle to maximize heating, cooling, and dehumidification". The page does not enumerate the thermostat's built-in sensors. — Read on the maker's own site, verified 2026-08-20
    Backs: Capabilities
  17. [17] ecobee.com's Smart Thermostat Essential product page, read 2026-08-20: built-in Wi-Fi with control through the ecobee mobile app; the wiring note "Power Extender Kit available separately for installation in homes without a C or common wire"; the in-box list "1 × Smart Thermostat Essential"; and the platform badges "Works with Apple HomeKit", "Works with Alexa" and "Google Assistant". — Read on the maker's own site, verified 2026-08-20
    Backs: Required hub or bridge
  18. [18] The Matter Distributed Compliance Ledger's model list for ecobee's vendor id 4224, read 2026-08-22 with our Matter-ledger lookup: no models at all, counted to the end of the list. ⚠ The ledger does hold an ecobee vendor record (id 4224, 'ecobee Technologies ULC'), but the list of its models is missing altogether — ecobee has published no model records at all. — Checked a certification register, verified 2026-08-22
    Backs: Protocols
  19. [19] ecobee's own Smart Thermostat Essential product page, read 2026-08-29 in summary while fulfilling Setup Check SC-001 (our freshness check had flagged the page as changed since we last recorded it). Page text quoted: 'Price discounted to $119.99 from a regular price of $139.99'; 'No C wire, no problem. Get the Power Extender Kit (sold separately).' with '$24.99'; 'All ecobee devices are covered by a 3-year manufacturer's warranty.', verified 2026-08-29
    Backs: Price
  20. [20] The Matter Distributed Compliance Ledger, re-read 2026-09-02 with our Matter-ledger lookup. Asking it for ecobee's models (vendor id 4224) came back "DCL returned HTTP 404"; our tool refuses to publish a negative answer drawn from a response like that. Checked the same day against a control: SwitchBot's vendor id 5015 answered normally and listed 25 models, and a scan of 842 vendor records to the end of the list found ecobee's own vendor entry, "ecobee [legal: ecobee Technologies ULC]". — Re-checked this against its sources, verified 2026-09-02
  21. [21] https://www.ecobee.com/en-us/smart-thermostats/smart-thermostat-essential/ (read 2026-09-09): 'Connectivity and Security: Wi-Fi 6 @ 2.4 GHz, Bluetooth BLE 5' and 'ecobee thermostats are powered by a dedicated 24VAC power supply using a Common wire (or C wire)', with 'Smart Thermostat Essential is hardwired' in the same section. ⊕ Worth stating plainly because it is a real product difference and not a transcription slip: the Premium in this same catalogue reads 'Dual-band Wi-Fi: 802.11 b/g/n @ 2.4GHz, 802.11 a/n/ac @ 5GHz'. The Essential is 2.4-only, and both values come from the same vendor's same spec surface. — Read on the maker's own site, verified 2026-09-09
    Backs: Wi-Fi bands it can use, Power source
  22. [22] The three ecobee pages cited on this record (read 2026-09-09) link to no app store. Which phones the ecobee app runs on IS published elsewhere on ecobee.com and is recorded on our page for the ecobee Smart Thermostat Premium; it is not copied here, because this record's own sources do not carry it and another product's page is not a source. So this record leaves the app platforms unanswered — checked, and not published by the sources it rests on. — Read on the maker's own site, verified 2026-09-09
  23. [23] the record's own customer-facing prose fields as they stood before 2026-09-12 (no new external read), verified 2026-09-12
  24. [24] Platform-side check made 2026-09-16 while grading this product's ecosystem answers: neither Amazon nor Google publishes a device list a shopper could look this model up in. Google's works-with address no longer exists, and its live compatible-devices page tells shoppers to look for the badge rather than naming models. Amazon's customer catalogue is closed to us by that site's own policy, and its developer site carries no works-with listing on any of the three addresses tried., verified 2026-09-16
  25. [25] this record's own lifecycle note as it stood before 2026-09-17 (no new external read): its wording was rewritten so it reads in plain language. No fact, date, source or value changed, and the earlier wording is kept on this record., verified 2026-09-17
  26. [26] www.home-assistant.io/integrations/ecobee, read in full 2026-09-21: "The ecobee hub was introduced in Home Assistant 0.9, and it's used by 1.6% of the active installations. Its IoT class is Cloud Polling."; "This integration is community maintained."; prerequisites "Username and password for ecobee.com"; "Since version 2026.3, it is no longer required to get a developer API key to use this integration. Existing API keys will continue to function."; supported categories enumerated as Binary sensor, Climate, Humidifier, Notifications, Number, Sensor, Switch, Weather. No integration-alert banner on the page. The page names no thermostat models anywhere. New on the page since the August reads: a Multi-factor authentication section stating that a TOTP code from an authenticator app is prompted for at login and that "Other MFA methods (push, SMS, email) are not currently supported." — Read what the other company publishes, verified 2026-09-21
    Backs: Service status, Home Assistant compatibility
  27. [27] The Connectivity Standards Alliance certified-products registry, re-queried 2026-09-22 for the keyword 'ecobee' and read rendered, because the results are built in the browser. The search returns exactly ONE row: a Zigbee Smart Energy certificate, ZIG12037ZSE26186-24, filed by ECOBEE TECHNOLOGIES ULC for the ecobee Smart Si. No Matter certificate appears for any ecobee product. THE CONTROL SEARCH THAT PROVES THE REGISTRY WAS ANSWERING, run in the same sitting: the identical search for 'aqara' returned a full page of Matter certificates (CSA2646LMAT54829 through CSA2646WMAT54840 among them), so the registry was answering when the ecobee search came back near-empty. The rendered ecobee search's own fingerprint is c88e6eb32ab7126fb9fd7da7dc6cf102b099dc1c04208b792ac0b645b97c1743; the aqara control's is 5c92344c4418bbbd37dc2267c3744c36837181ed29ab7b0c81878be47c0ef089. — Checked a certification register, verified 2026-09-22
    Backs: Protocols
  28. [28] Record-keeping entry: the whoItsFor sentence was corrected from facts already on the catalog, 2026-09-26, verified 2026-09-26
  29. [29] Apple's Home app accessory directory, read 2026-10-02. Apple lists this product by name: "ecobee Smart Thermostat Essential"., verified 2026-10-02
    Backs: Apple Home compatibility
  30. [30] ecobee's own page for the Smart Thermostat Essential, read in full on 2026-10-03 (26,710 characters). It reads "Price discounted to $109.99 from a regular price of $139.99" beside "Free shipping" and "Add to bag", with "Offers will run through October 7th, 2026" in its terms. In the box: "Smart Thermostat Essential Backplate Quick start guide Wire labels Screws and drywall plugs", with the Trim Kit and Power Extender Kit listed as optional and sold separately, the kit at "$24.99" and "(Included with all models except Smart Thermostat Essential and Smart Thermostat Lite.)". Installation: "Installation is a straightforward DIY project. Follow the simple step-by-step instructions in the ecobee app to bring Smart Thermostat Essential to life with ease." Specification rows: "Wi-Fi 6 @ 2.4 GHz Bluetooth BLE 5.4", "Sub-GHz radio", "Works with Google Assistant, Apple HomeKit, Amazon Alexa", "Wired 24VAC through terminals C and R", and the badges "Apple HomeKit Works with Alexa Google Assistant". The app: "The ecobee app is rated 4.7 out of 5 by 232,000 users on the Apple App Store and Google Play." Free software: "Smart Thermostat Essential has built-in eco+, a free software". Warranty: "All ecobee devices are covered by a 3-year manufacturer’s warranty." — Read the original source directly, verified 2026-10-03
    Backs: Price, Product identity, Market availability, Subscription, Wi-Fi bands it can use, Power source, Installation, App platforms, Required hub or bridge, Capabilities, Batteries, Amazon Alexa compatibility, Google Home compatibility, Apple Home compatibility, Research status
  31. [31] ecobee's smart thermostats lineup page, read in full on 2026-10-03 (15,216 characters). It lists three thermostats: "Smart Thermostat Premium Price discounted to $209.99 from a regular price of $259.99", "Smart Thermostat Enhanced Price discounted to $164.99 from a regular price of $199.99" and "Smart Thermostat Essential Price discounted to $109.99 from a regular price of $139.99". — Read the original source directly, verified 2026-10-03
    Backs: Price, Market availability
  32. [32] Home Assistant's ecobee integration page, read in full on 2026-10-03 (12,103 characters): "The ecobee hub was introduced in Home Assistant 0.9, and it's used by 1.6% of the active installations. Its IoT class is Cloud Polling." · "This integration is community maintained." · "Username and password for ecobee.com" · "Since version 2026.3, it is no longer required to get a developer API key to use this integration. Existing API keys will continue to function." · "Other MFA methods (push, SMS, email) are not currently supported." The page names no thermostat models. — Read the original source directly, verified 2026-10-03
    Backs: Service status, Home Assistant compatibility
  33. [33] Samsung's SmartThings partner page for ecobee, read in a browser on 2026-10-03 (2,321 characters shown). The 'ecobee Products' grid for the United States lists eleven devices, among them "Smart Thermostat Enhanced Model Number EB-STATE6L-01 Category Thermostat" and "Smart Thermostat Premium Model Number EB-STATE6-01 Category Thermostat". No Smart Thermostat Essential is listed. — Read the original source directly, verified 2026-10-03
    Backs: SmartThings compatibility
  34. [34] Apple's Home app accessory directory, read in a browser on 2026-10-03 (29,037 characters). Under Thermostats it lists "ecobee Smart Thermostat Essential". — Read the original source directly, verified 2026-10-03
    Backs: Apple Home compatibility
  35. [35] The Matter ledger kept by the Connectivity Standards Alliance, read on 2026-10-03. A walk of all 861 vendor records finds exactly one ecobee entry, vendor number 4224, legal name ecobee Technologies ULC. Asked for the products registered under that number, the ledger answers that it holds none. In the same sitting the ledger listed another maker's door sensor as certified, so it was answering. — Checked a certification register, verified 2026-10-03
    Backs: Protocols
  36. [36] ecobee's Power Extender Kit page, read in full on 2026-10-03 (12,786 characters): "$24.99" and "The Power Extender Kit comes with all ecobee thermostats except Smart Thermostat Essential and Smart Thermostat Lite (but is compatible with those models, as well) and only works with 24 VAC systems. Millivolt, high-voltage systems, dual transformer and fan coil or communicating units are incompatible." — Read the original source directly, verified 2026-10-03
  37. [37] The Connectivity Standards Alliance's certified-products search, asked for the keyword ecobee on 2026-10-03, read plain and in a browser. Both reads served the search's unfiltered first page (1,684 pages of certificates, a HAFELE Matter certificate first) and no ecobee result, and the control search for the keyword Narwal served the identical text. — Read the original source directly, verified 2026-10-03
  38. [38] The same certified-products search asked for the keyword Narwal on 2026-10-03, as the check that the search answers. It served the identical unfiltered first page the ecobee search did. Those results belong to other makers and say nothing about this product. — Read the original source directly, verified 2026-10-03
  39. [39] ecobee's former ecobee3 lite address, read on 2026-10-03: ecobee's site answers with its not-found page, not a redirect to the Smart Thermostat Essential., verified 2026-10-03
  40. [40] The Matter certification ledger kept by the Connectivity Standards Alliance, read on 2026-10-06: ecobee's registration (maker number 4224, ecobee Technologies ULC) lists no products at all. The Alliance's public product directory could not serve as the second check that day: its search showed the same list of products whatever name it was given, and a member company's page lists no products at all. With only one of the two checks working, no new 'not certified' answer is recorded. — Checked a certification register, verified 2026-10-06
  41. [41] ecobee's page for the Smart Thermostat Essential, read in full on 2026-10-07. Verbatim: "Works with leading smart home ecosystems Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa." · "Apple HomeKit Works with Alexa Google Assistant" · "Works with Google Assistant, Apple HomeKit, Amazon Alexa". The page's voice sentence ("Ask your voice assistant to adjust the temperature") sits in a block about the Smart Thermostat Premium, not this model. No sentence says how the Essential connects to Alexa or Google or what either can control. — Re-checked this against its sources, verified 2026-10-07
    Backs: Amazon Alexa compatibility, Google Home compatibility
  42. [42] Home Assistant's ecobee integration page, read in full on 2026-10-07. Verbatim: "lets you control and view sensor data from ecobee thermostats." · "The HVAC mode of the device is the currently active operational modes that the ecobee thermostat provides: heat, cool, auto, and off." · "Categories Binary sensor Climate Humidifier Notifications Number Sensor Switch Weather". — Re-checked this against its sources, verified 2026-10-07
  43. [43] ecobee's support article "How to enable Auto Heat/Cool on your ecobee Thermostat", read rendered in full on 2026-10-07. Verbatim: "For Smart Thermostat Lite & Essential Owners Go to Main Menu > Settings > Installation Settings > Thresholds > Auto Heat/Cool, then select Enable" · "Once it is enabled, you can activate Auto mode by navigating back to the Home screen and selecting the System mode icon above the temperature." — Read on the maker's own site, verified 2026-10-07
    Backs: Capabilities
  44. [44] ecobee's page for the Smart Thermostat Essential, read in full on 2026-10-07. Verbatim: "Works with leading smart home ecosystems Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa." · "Works with Google Assistant, Apple HomeKit, Amazon Alexa". No sentence says how the Essential connects to Alexa or Google or what either can control. — Re-checked this against its sources, verified 2026-10-07
    Backs: Amazon Alexa compatibility, Google Home compatibility, Apple Home compatibility
  45. [45] Apple's Home app accessory directory, read rendered on 2026-10-07. Apple lists "ecobee Smart Thermostat Essential" under the Thermostats heading. The directory prints marketing names and no model numbers. — Re-checked this against its sources, verified 2026-10-07
    Backs: Apple Home compatibility
  46. [46] Home Assistant's ecobee integration page, read in full on 2026-10-07. Verbatim: "lets you control and view sensor data from ecobee thermostats." · "When the thermostat is not in auto mode, there is a single target temperature." · "The HVAC mode of the device is the currently active operational modes that the ecobee thermostat provides: heat, cool, auto, and off." · "Categories Binary sensor Climate Humidifier Notifications Number Sensor Switch Weather". — Re-checked this against its sources, verified 2026-10-07
    Backs: Home Assistant compatibility
  47. [47] ecobee's own page for the Smart Thermostat Essential, read in full on 2026-10-09. Buy box: "$139.99 Free shipping Add to bag", with no discount or compare-at price shown. In the box: "Smart Thermostat Essential Backplate Quick start guide Wire labels Screws and drywall plugs"; the Power Extender Kit at "$24.99" with "(Included with all models except Smart Thermostat Essential and Smart Thermostat Lite.)". Installation: "Installation is a straightforward DIY project. Follow the simple step-by-step instructions in the ecobee app to bring Smart Thermostat Essential to life with ease." Platforms: "Works with leading smart home ecosystems Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa." and the badges "Apple HomeKit Works with Alexa Google Assistant". Specification rows: "Wired 24VAC through terminals C and R", "Thermostat sensors Temperature Humidity". The app: "The ecobee app is rated 4.7 out of 5 by 232,000 users on the Apple App Store and Google Play." Free software: "Smart Thermostat Essential has built-in eco+, a free software". Warranty: "All ecobee devices are covered by a 3-year manufacturer’s warranty." — Read the original source directly, verified 2026-10-09
    Backs: Price, Product identity, Market availability, Subscription, Wi-Fi bands it can use, Power source, Installation, App platforms, Required hub or bridge, Capabilities, Batteries, Amazon Alexa compatibility, Google Home compatibility, Apple Home compatibility, Research status
  48. [48] ecobee's own page for the Smart Thermostat Essential, read in full on 2026-10-09. Its specification table reads, verbatim: "Connectivity and Security Wi-Fi 6 @ 2.4 GHz Bluetooth BLE 5.4 WPA2, WPA3 encryption methods DHCP (dynamic) or static IP addressing Sub-GHz radio Works with Google Assistant, Apple HomeKit, Amazon Alexa". The page names neither Thread nor Matter; its only 'matter' is the phrase "No matter whose ecosystem you call home" in the Premium's paragraph. — Read the original source directly, verified 2026-10-09
    Backs: Protocols
  49. [49] ecobee's own page for the Smart Thermostat Essential, read in full on 2026-10-09. The Essential's own lines name three platforms: "Pair Smart Thermostat Essential with Apple HomeKit, Google Assistant, and Alexa." and "Works with Google Assistant, Apple HomeKit, Amazon Alexa". The page's only SmartThings sentence is about another model: "Smart Thermostat Premium also works with the platforms you already use, including Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings." — Read the original source directly, verified 2026-10-09
    Backs: SmartThings compatibility
  50. [50] ecobee's smart thermostats lineup page, read in full on 2026-10-09. It lists "Smart Thermostat Premium $259.99", "Smart Thermostat Enhanced $199.99" and "Smart Thermostat Essential $139.99 Add to bag", with no discounts shown. — Read the original source directly, verified 2026-10-09
    Backs: Price, Market availability
  51. [51] ecobee's Power Extender Kit page, read in full on 2026-10-09: "$24.99" and "The Power Extender Kit comes with all ecobee thermostats except Smart Thermostat Essential and Smart Thermostat Lite (but is compatible with those models, as well) and only works with 24 VAC systems. Millivolt, high-voltage systems, dual transformer and fan coil or communicating units are incompatible." — Read the original source directly, verified 2026-10-09
  52. [52] Home Assistant's ecobee integration page, read in full on 2026-10-09: "lets you control and view sensor data from ecobee thermostats." · "Either your username and password for ecobee.com or an existing developer API key." · "Since version 2026.3, it is no longer required to get a developer API key to use this integration. Existing API keys will continue to function." · "When the thermostat is not in auto mode, there is a single target temperature." · "The HVAC mode of the device is the currently active operational modes that the ecobee thermostat provides: heat, cool, auto, and off." · "The ecobee hub was introduced in Home Assistant 0.9, and it's used by 1.6% of the active installations. Its IoT class is Cloud Polling." · "This integration is community maintained." — Read the original source directly, verified 2026-10-09
    Backs: Home Assistant compatibility, Service status
  53. [53] Samsung's SmartThings partner page for ecobee, read in a browser on 2026-10-09 (2,321 characters shown). The 'ecobee Products' grid for the United States lists, among others, "Smart Thermostat Enhanced Model Number EB-STATE6L-01 Category Thermostat" and "Smart Thermostat Premium Model Number EB-STATE6-01 Category Thermostat". No Smart Thermostat Essential is listed. — Read the original source directly, verified 2026-10-09
    Backs: SmartThings compatibility
  54. [54] Apple's Home app accessory directory, read in a browser on 2026-10-09 (29,037 characters). Under Thermostats it lists "ecobee Smart Thermostat Essential". — Read the original source directly, verified 2026-10-09
    Backs: Apple Home compatibility
  55. [55] ecobee's support article on enabling Auto Heat/Cool, read rendered in full on 2026-10-09. Verbatim: "For Smart Thermostat Lite & Essential Owners Go to Main Menu > Settings > Installation Settings > Thresholds > Auto Heat/Cool, then select Enable". — Read on the maker's own site, verified 2026-10-09
    Backs: Capabilities
  56. [56] ecobee's former ecobee3 lite address, read on 2026-10-09: the site still answers with its not-found page, not a redirect to the Smart Thermostat Essential., verified 2026-10-09
  57. [57] The Matter certification ledger kept by the Connectivity Standards Alliance, read on 2026-10-09: ecobee's registration (maker number 4224, ecobee Technologies ULC) lists no products at all. In the same session the ledger returned a certificate for another maker's door sensor, so it was answering. — Checked a certification register, verified 2026-10-09
  58. [58] ecobee's support article 'ecobee Google Assistant Setup', read in full on 2026-10-12 (readHash e61563f061ad…). Verbatim: "You can control your ecobee devices with The Google Assistant by connecting through the Google Home app (if you own a Google Home speaker) or the Google Assistant app (if you don't own a Google Home Speaker)." · "Open the Google Home app. Tap Add. Select Set Up Device. Choose Works With Google. On the Manage accounts screen, search for "ecobee." Tap ecobee. Log in with your ecobee credentials to link your accounts." · "After linking, Google Assistant can control supported ecobee devices:" followed by a model list that names "Smart Thermostat Essential"., verified 2026-10-12
    Backs: Google Home compatibility
  59. [59] ecobee's support article 'Setting up and using Alexa with your ecobee thermostat', read in full on 2026-10-12 (readHash 082d28e11d15…). Its Good to Know note names this model among thermostats that "can be controlled by Alexa", but the section that gives the skill steps is headed "Enabling the ecobee Alexa skill on your Smart Thermostat Lite, Smart Thermostat Enhanced, ecobee3 lite, or ecobee3", a model list that leaves out the Smart Thermostat Essential., verified 2026-10-12

Compatibility and lifecycle information reflects the last-verified date above and can change without notice (firmware updates, cloud-service changes, discontinuations). It is provided as-is, for information — verify with the manufacturer before purchasing. Spot an error? Tell us and we'll fix it. Full terms: Terms of Service.

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