Independent · sourced · Updated July 2026
Best Smart Thermostats (2026)
18 smart thermostats compared on the specs that matter and US price — ranked cheapest-first. Every spec and price links to its source and the date we captured it.
Best by the numbers — Amazon Smart Thermostat (lowest price), Honeywell Home X8S Smart Thermostat (newest). The cheapest is Amazon Smart Thermostat at $59.99. 18 smart thermostats compared from $59.99 to $279.99 across 9 brands — every figure sourced, updated July 2026.
As of 2026-07-10
Cite this comparison
Per The Front Desk Review, the cheapest smart thermostats is Amazon Smart Thermostat at $59.99; across 13 models the median price is $159 ($59.99–$279.99), every figure sourced and dated, as of 2026-07-10. https://frontdeskreview.com/gear/smart-thermostats/ Key takeaways
- Lowest price: Amazon Smart Thermostat at $59.99 (US MSRP $59.99 (~$60). Announced Sept 28, 2021 in partnership with Honeywell Home; corroborated by Bloomberg launch coverage, Bob Vila 2026 review, and multiple utility marketplace listings. Third-party retail sometimes ~$79.99 but manufacturer MSRP is $60. Optional ~$25 C-wire power adapter kit available.).
- Typical price: from $59.99, median $159, up to $279.99 — across 13 priced.
- Tracked: 18 products across 9 brands, current through 2026-07-10.
- Compared on: Display, Sensors included, Geofencing, Hvac compatibility, C wire required, Voice assistants.
Best by the numbers
Objective winners — each is the leader on one measured spec, with the figure. No subjective ranking.
- Lowest price: Amazon Smart Thermostat ($59.99)
- Newest: Honeywell Home X8S Smart Thermostat (2025-12)
Top 3 by quality
An algorithmic overall ranking from the data on this page — value for money, spec strength, and recency. 100% data-driven, no paid placement.
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Honeywell Home X8S Smart Thermostat Quality score 0/100 Newest -
Mysa Smart Thermostat Quality score 0/100 Newest -
ecobee Smart Thermostat Enhanced Quality score 0/100 Newest
How we rank: Value 45% · Spec strength 35% · Recency 20%. Scores are computed only within this category from published specs and prices — never influenced by commissions or placement. Method & open data →
What to look for
How to read the comparison — what each key spec means and the range across these smart thermostats.
- Geofencing — a yes/no feature.
- C wire required — a yes/no feature.
Comparison
| Compare | # | Smart Thermostat | Price | Display | Sensors included | Geofencing | Hvac compatibility | C wire required | Voice assistants | Source | Buy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Amazon Smart Thermostat 3 reviews | $59.99 | Basic segmented LED/LCD display; no color touchscreen | Temperature plus indoor humidity sensor (humidity reported in Alexa app, not shown on the on-unit display); no occupancy sensor, no remote sensor support | true | Low-voltage 24V systems (forced air gas/oil/electric, heat pumps); single-stage systems; does not support ACC-/ACC+ terminals, dual-band Wi-Fi only on 2.4 GHz | false | Amazon Alexa only (requires separate Echo device) | safewise.com | On Amazon → | |
| 2 |  Wyze Thermostat | $79.98 | IPS display with 180-degree viewing angle; 120 mm L x 65 mm W x 33 mm D overall unit dimensions | Built-in temperature sensor; up to 6 optional Wyze Room Sensors supported (sold separately) | false | 24V forced air (gas/oil/electric), hydronic, heat pump (including dual fuel), single-stage and multi-stage conventional and heat pump; not compatible with electric baseboard (high-voltage) | false | Amazon Alexa, Google Assistant (requires separate Echo/Google device) | wyze.com | On Amazon → | |
| 3 |  GE Cync Smart Thermostat | $119.99 | Backlit LCD display (always on); button and app control (Control Type: Buttons and App) | No remote sensor included (package contains 1 thermostat); Cync Room Temperature Sensors sold separately | — | Most residential 24V heating and cooling systems; designed for C-wire systems, Power Extender Kit (PEK) included for homes without a C-wire; 3- and 4-wire installation options | false | Amazon Alexa, Google Assistant (Google Home) | gelighting.com | On Amazon → | |
| 4 |  Google Nest Thermostat (2020) 2 reviews | $129.99 | 2.4-inch display with touch-sensitive strip control on right side (replaces rotating ring); mirror finish | Temperature, 60 GHz Soli radar occupancy sensor; no remote sensor support | true | 85% of 24V systems; forced air (gas/oil/electric), heat pumps; simpler HVAC support than Nest Learning Thermostat; not compatible with communicating HVAC systems | false | Google Assistant (via Google Home), Amazon Alexa, IFTTT | en.wikipedia.org | On Amazon → | |
| 5 |  Sensi Smart Thermostat (ST55) | $129.99 | LED display (indoor temperature and humidity shown on-screen) | Built-in temperature and humidity sensors; not compatible with Sensi Room Sensors (Touch 2 only) | true | Single-stage and multi-stage gas, oil, electric and heat pump systems; 20 to 30 VAC low-voltage; setpoint range 45°F to 99°F. Common wire required for heat-only, cool-only, heat pump, and zone systems | false | Amazon Alexa, Google Assistant, Apple HomeKit (c-wire required for HomeKit), Samsung SmartThings | sensi.copeland.com | On Amazon → | |
| 6 |  ecobee Smart Thermostat Essential 1 review | $139.99 | 2.8-inch full-color LCD touchscreen, 240x320 pixels | Built-in temperature and humidity; no occupancy sensor; room sensors sold separately | — | Gas, oil, electric forced air; conventional 2H/1C and 1H/2C; heat pump 2H/1C; Power Extender Kit sold separately | false | Amazon Alexa, Apple HomeKit, Google Assistant | ecobee.com | On Amazon → | |
| 7 |  Mysa Smart Thermostat for Electric Baseboard Heaters (V2) | $159 | LED display with touch buttons; up/down temperature controls | Temperature (±0.5°F accuracy), humidity (±2%), current and voltage sensor for power monitoring, light sensor, proximity sensor | true | High-voltage 120-240VAC electric heating: baseboard, convector (short cycle), fan-forced convector (long cycle), radiant ceiling heating; max load 16A (1,900W @ 120VAC, 3,800W @ 240VAC); install on 20A breaker | false | Apple HomeKit, Google Home, Amazon Alexa | getmysa.com | On Amazon → | |
| 8 | ecobee Smart Thermostat Enhanced 2 reviews | $199.99 | 4-inch full-color LCD touchscreen, 540x540 pixels (50% larger than previous ecobee models) | Built-in temperature, humidity, occupancy (radar), proximity; SmartSensor not included (sold separately); up to 20 additional sensors supported | true | Most 24VAC systems: conventional 2H/2C, heat pumps 2H/2C + 1 stage AUX, boilers, PTACs, fan coil units (up to 3 fan speeds); Power Extender Kit included | false | Amazon Alexa, Apple HomeKit, Google Assistant, Samsung SmartThings, IFTTT | ecobee.com | On Amazon → | |
| 9 |  Honeywell Home T9 Smart Thermostat 2 reviews | $209.99 | Graphical color touchscreen, 4.92 in H x 3.7 in W | Includes one wireless SmartRoom sensor (temperature + humidity); up to 20 additional SmartRoom sensors supported | true | Up to 2H/2C conventional systems; up to 3H/2C heat pump systems; 24V low-voltage | false | Amazon Alexa, Google Assistant, Apple HomeKit, Microsoft Cortana, Samsung SmartThings, IFTTT, Ring | honeywellhome.com | On Amazon → | |
| 10 |  Sensi Touch 2 Smart Thermostat 3 reviews | $209.99 | Color touchscreen (size not specified on product page); Sensi app control available | Built-in temperature; compatible with Sensi Room Sensors and Outdoor Sensors (sold separately) for temperature and humidity monitoring | true | Universal: single-stage 1H/1C, multi-stage 2H/2C, heat pump 4H/2C; 24V low-voltage systems | false | Amazon Alexa, Google Assistant, Samsung SmartThings (no Apple HomeKit) | sensi.copeland.com | On Amazon → | |
| 11 | Honeywell Home X8S Smart Thermostat | $219.99 | 5-inch full-color touchscreen with customizable color and style options | Onboard radar occupancy sensor built-in; wireless room sensor included (varies by variant) or sold separately | true | Up to 4H/2C heat pump systems; up to 3H/4C conventional systems; 24V low-voltage; C-wire required | true | Amazon Alexa, Google Assistant, Apple HomeKit (Matter certified) | honeywellhome.com | On Amazon → | |
| 12 |  ecobee Smart Thermostat Premium 3 reviews | $259.99 | 4-inch full-color LCD touchscreen, 540x540 pixels | Built-in temperature, humidity, occupancy (radar), proximity; includes one SmartSensor (temperature + occupancy) in box; up to 20 additional sensors supported | true | Most 24VAC systems: conventional 2H/2C, heat pumps 2H/2C + 2 stage AUX, boilers, PTACs, fan coil units (up to 3 fan speeds); Power Extender Kit included | false | Amazon Alexa (built-in), Apple Siri (via HomePod/HomePod mini), Google Assistant, Samsung SmartThings, IFTTT | ecobee.com | On Amazon → | |
| 13 |  Google Nest Learning Thermostat (4th Gen) 3 reviews | $279.99 | 2.68-inch circular stainless-steel framed display with Farsight (activates when motion detected), 3.9-inch diameter body | Temperature, humidity, occupancy (60 GHz Soli radar), ambient light; up to 6 additional Nest temperature sensors supported | true | Most 24V systems: single- and multi-stage forced air (gas/oil/electric), heat pumps (1-3 stage heating, 1-2 stage cooling), radiant, hydronic, boilers; not compatible with communicating HVAC systems | false | Google Assistant (built-in via Google Home app), Amazon Alexa, Matter | en.wikipedia.org | On Amazon → | |
| 14 |  Honeywell Home T10 Pro Smart Thermostat | — | Color touchscreen, 4.92 in H x 3.7 in W x 0.95 in D | Includes RedLINK 3.0 room sensor (temperature + humidity); multiple additional RedLINK room sensors supported | true | Up to 3H/2C heat pump systems; up to 2H/2C conventional systems; 24V low-voltage | false | Amazon Alexa, Google Assistant, Apple HomeKit, Samsung SmartThings, IFTTT | honeywellhome.com | On Amazon → | |
| 15 |  Honeywell Home T5+ Smart Thermostat (RCHT8612WF) | — | Backlit LED touchscreen display (no screen size published on manufacturer or retailer page) | Built-in temperature sensor only; no humidity sensor and no remote/room sensor support | true | Up to 3 Heat/2 Cool heat pump systems; up to 2 Heat/2 Cool conventional systems; 24V low-voltage; compatible with furnace, air conditioner, and heat pump | false | Amazon Alexa, Google Assistant, Apple HomeKit, Microsoft Cortana, Samsung SmartThings, IFTTT | honeywellhome.com | Check price → | |
| 16 |  Mysa for Mini-Split Heat Pumps | — | LED display with touch buttons; adjustable brightness | Temperature (±0.5°F accuracy), humidity (±2%) | true | Ductless mini-split heat pumps from compatible brands: Mitsubishi, Fujitsu, LG, Frigidaire, GE, DeLonghi, Danby; IR infrared control (requires line-of-sight); 2.4 GHz WiFi required | false | Amazon Alexa, Google Home, Apple HomeKit | getmysa.com | On Amazon → | |
| 17 | Mysa Smart Thermostat | — | LED display with touch buttons (temperature up/down, mode left/right) | Temperature (±0.5°F accuracy), humidity (±2%), light sensor, proximity sensor | true | Most 24V central HVAC: gas/oil/electric furnaces, central AC, heat pumps with AUX heat; single and multi-stage conventional and heat pump; C-wire required or adapter available | true | Matter certification expected 2026 for Alexa, Google Home, Apple HomeKit; no current native integration documented | getmysa.com | On Amazon → | |
| 18 |  Sensibo Air Pro | — | — | High accuracy temperature & humidity sensor, Universal IR receiver, built-in air quality sensor detecting CO₂ and TVOC (Total Volatile Organic Compound); does not measure particulate matter (PM2.5) | true | Any air conditioner or heat pump with a remote control, including minisplit, high mount, window AC, portable, and central AC with a wireless remote control; requires the AC's original remote to use infrared (not Bluetooth or Wi-Fi) | false | Amazon Alexa, Google Home, Apple Siri, Apple HomeKit, Samsung SmartThings, IFTTT, API | sensibo.com | On Amazon → |
Specs are as published by the manufacturer (or a reputable spec source where the official page was unavailable); prices are US launch MSRP. Full per-product records and all spec columns are in our open dataset. The “Buy” links go to Amazon; as an Amazon Associate we earn from qualifying purchases, and the live price may differ from the sourced figure shown.
Popular comparisons
What is the cheapest smart thermostat?
Amazon Smart Thermostat is the cheapest at $59.99 (US MSRP $59.99 (~$60). Announced Sept 28, 2021 in partnership with Honeywell Home; corroborated by Bloomberg launch coverage, Bob Vila 2026 review, and multiple utility marketplace listings. Third-party retail sometimes ~$79.99 but manufacturer MSRP is $60. Optional ~$25 C-wire power adapter kit available.), as of 2026-07-10.
How much does smart thermostats cost?
Across the 13 smart thermostats with a published price, the median is $159, ranging from $59.99 to $279.99, as of 2026-07-10.
Which smart thermostat is best by the numbers?
Lowest price: Amazon Smart Thermostat ($59.99). Newest: Honeywell Home X8S Smart Thermostat (2025-12).
How many smart thermostats are compared here?
18 smart thermostats across 9 brands, with US price and key specs, current through 2026-07-10.
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