ecobee Smart Thermostat Essential (EB-STATE7-01) vs Sensi Lite Smart Thermostat ST25 (Black)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
ecobee Smart Thermostat Essential (EB-STATE7-01)
Simple single-transformer systems with one stage of cooling, on a 2.4GHz network
ecobee's entry thermostat: a 2.8-inch touchscreen, temperature and humidity sensing only, and six wire terminals. The maker lists conventional 2H/1C or 1H/2C and heat pump 2H/1C, wired 24VAC through C and R. The Power Extender Kit and Trim Kit are sold separately, and Wi-Fi is 2.4GHz only.
Published specifications
- Maker: wire terminals C, R, G/PEK, Y1, OB (also takes W2 or Y2), W1
- Maker: conventional 2H/1C and 1H/2C; heat pump 2H/1C; gas, oil, electric, forced air
- Maker: wired 24VAC through C and R; Power Extender Kit sold separately for homes without a C wire
- Maker: Wi-Fi 6 at 2.4GHz only; Bluetooth BLE 5.4; sub-GHz sensor radio; about 5MB a month
- Maker: 3.62 x 3.62 x 0.91 in; 2.8-inch 240x320 touchscreen; temperature and humidity sensors only
- Maker: box holds thermostat, backplate, wire labels, screws and plugs; trim kit sold separately
Strengths
- ecobee publishes the exact terminal list and stage support, so you can check fit before buying
- Hardwired 24VAC with no batteries, and it works with Alexa, Google Assistant and Apple HomeKit
- Small 3.62-inch body with a full-colour touchscreen and the same ecobee app as the dearer models
Caveats
- Six terminals only: no two-transformer wiring, no second cooling stage on a heat pump, no accessory terminal
- Power Extender Kit and Trim Kit are both extra purchases, unlike every other ecobee model
- 2.4GHz Wi-Fi only, no on-board speaker or occupancy sensor, and no bundled room sensor
Read the full ecobee Smart Thermostat Essential (EB-STATE7-01) guide
Sensi Lite Smart Thermostat ST25 (Black)
Single-stage or one-extra-stage 24 VAC systems on a 2.4 GHz network
Copeland's Sensi Lite thermostat, confirmed by matching UPC. It handles 1H/1C, 1H/2C or 2H/1C conventional systems and 2H/1C heat pumps. Copeland and the listing agree that heat-only, cool-only and heat pump systems need a C wire. Setup requires the Sensi app and an account; the warranty is three years for DIY or pro installs.
Published specifications
- Maker: stages 1H/1C, 1H/2C or 2H/1C conventional; heat pump 2H/1C; 3-wire zone heat
- Maker and listing: C wire required for heat-only, cool-only and heat pump systems
- Maker: 24 VAC, 20-30 Vac rating; hardwire with power stealing; 2 x AAA included
- Guide: Wi-Fi 2.4 GHz only; Sensi app and account required; Alexa, Google Assistant, SmartThings
- Maker: 5.07 x 3.13 x 0.88 in; 7-day schedule, 8 periods a day; geofencing; keypad lockout
- Maker warranty table: 3 years, DIY or professional install
Strengths
- Listing and maker agree on exactly which systems need a C wire
- Three-year warranty applies whether you or a contractor installs it
- UPC matches Copeland's product page, which publishes a specification block
Caveats
- Only one extra stage: no 2H/2C, and no two-stage heat pump support
- Heat pump, heat-only and cool-only systems need a C wire
- Requires the Sensi app, an account and a 2.4 GHz network to set up
Read the full Sensi Lite Smart Thermostat ST25 (Black) guide
How to choose between them
Choose the ecobee Smart Thermostat Essential (EB-STATE7-01) if your situation matches: Simple single-transformer systems with one stage of cooling, on a 2.4GHz network. Its main caveat: Six terminals only: no two-transformer wiring, no second cooling stage on a heat pump, no accessory terminal.
Choose the Sensi Lite Smart Thermostat ST25 (Black) if your situation matches: Single-stage or one-extra-stage 24 VAC systems on a 2.4 GHz network. Its main caveat: Only one extra stage: no 2H/2C, and no two-stage heat pump support.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- ecobee product page and detailed specification panel for Smart Thermostat Essential Source for ecobee Smart Thermostat Essential (EB-STATE7-01)
- ecobee Smart Thermostat Lite tech specs and sell sheet, the pro-only model with the same body size Source for ecobee Smart Thermostat Essential (EB-STATE7-01)
- ecobee thermostat compatibility checker named in the listing and on the maker page Source for ecobee Smart Thermostat Essential (EB-STATE7-01)
- Copeland product page and specifications for Sensi Lite Smart Thermostat ST25 Source for Sensi Lite Smart Thermostat ST25 (Black)
- Sensi Lite installation guide R-5664 (ST25 series) supplied with the Amazon listing Source for Sensi Lite Smart Thermostat ST25 (Black)
- Copeland Sensi warranty table by model Source for Sensi Lite Smart Thermostat ST25 (Black)
Primary sources checked .