Best Wi Fi Thermostat Controllers in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
![SunTouch Command Touchscreen Programmable Thermostat [universal] Model 500850 (low-profile, user-friendly floor heat control, 120/240V, bright white + paintable beauty ring) includes floor sensor](https://m.media-amazon.com/images/I/41aTTRRNd-L._AC_SL500_.jpg)
9.7
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Price Right Products LLC | 6.15 | ✅ | ✅ | ✅ |
ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link above). Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.
C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.
THERMOSTAT THAT FITS YOUR LIFE. 7-day, 4 periods per day, flexible programming lets you sync your comfort with your schedule.
EASY OPERATION AND INTUITIVE. Big, backlit digital display and easy controls make for a user-friendly experience.
EASY-TO-USE-APP. Choose from the Total Connect Comfort app or the Resideo app to control your Wi-Fi thermostat anytime, anywhere.
COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present. Ability to view local weather from web portal or app
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GreyBar | 9.47 | ✅ | ✅ | ✅ |
On-Demand Backlight - Easy to read in various lighting conditions
Soundproof Operation - Reduces "clicking" noise heard with conventional thermostats
Heating Indicator - At-a-glance confirmation that the heat is on
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Smart floor and air sensor modes and intuitive 7-day programable schedule automatically adjusts heat to ensure flooring is at desired temperature when requested.
Enable the away feature to ensure the system is not active when you are out and utilize the calendar to recognize daylight savings time .
Works with both 120 and 240 voltage with GFCI for safety, contains built-in 15 amp relay control, and energy use monitor for tracking operation hours.
Thin profile, 3.5 inch digital touchscreen display, a choice of five preset color themes, and it works with any electric radiant floor heating system with a floor sensor wire.
Equipped with comprehensive help screens and programming setup wizard.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Safe Shop Tech Group (We record serial numbers) | 9.88 | ✅ | ✅ | ✅ |
Easy-to see and read. large, clear backlit digital display
Standard display size 1.5 square inches
Easy-access battery replacement door
1 Heat/1 Cool Conventional and Heat Pump
Dual-powered (battery and/or hardwire)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CrocSee | 9.95 | ✅ | ✅ | ✅ |
WE'VE IMPROVED THE TEMP CONTROLLER: This is NOT a humidity controller! Simplified operation, larger power, wider control range, standard U.S. outlet, enhanced waterproof sensor probe. Get the new version right now. NO WIFI connection!
HEATING OR REFRIGERATION WORKING MODE: Switch between heating mode and refrigeration mode according to the settings and device you plug into the controller. NO wifi connection!
MAX LOAD: Rated for 10A,1100W at 110V. Outlet not compatible with 2 hot lines 220V plug (Celsius or Fahrenheit Read-out).
PLUG AND PLAY: Insert the probe and then set ON & OFF temp. This temperature regulator will turn your device on/off as programmed to keep temperature between the desired range. Comes with a 3m(9.8ft) probe sensor. Measure range is -58 ~ 230°F(-50 ~ 110°C).
WIDE APPLICATIONS: Our thermostat outlet is widly used for seedling germination, home brewing, fermertation, rooting, sous vide, incubation, pet breeding, aquarium, heaters or cooling devices such as heat mat/lamp, refrigerator/frezzer....
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fire and Safety Plus | 9.79 | ❌ | ❌ | ❌ |
On-Demand Backlight - Easy to read in various lighting conditions
Soundproof Operation - Reduces "clicking" noise heard with conventional thermostats
Heating Indicator - At-a-glance confirmation that the heat is on
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| I.R.N. GROUP LLC | 8.48 | ❌ | ❌ | ❌ |
One program for weekdays, a separate program for weekends-4 periods per day
Backlit digital display
Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat (120-240V) multistage HVAC systems
Accurate temperature control of +/-1-Degree F for consistent comfort
Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
5-2 DAY PROGRAMMING: Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep
PRECISE TEMPERATURE CONTROL: Precise temperature control of +/- 1 degree Fahrenheit.
DIGITAL DISPLAY: The display panel is backlit with an intuitive interface for one-touch access to setpoint temperature
EASY INSTALLATION: Easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat
REMINDERS: Built-in battery change and filter change reminders
RETAINS PROGRAMMING: Retains programmed memory in event of power outage
COMPATIBLE WITH: Gas, oil or electric furnace, Central air conditioner, Hot water system with or without pump, Millivolt system, Central heating and cooling system, Heat pump without auxiliary/backup heat.
CANNOT be used on heat pumps with backup heat, multistage systems, radiant or line voltage systems.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ketotek | 9.80 | ✅ | ✅ | ✅ |
【Relay output, easy to use】 Plug-and-play design, just plug the device into this thermostat plug outlet and set parameters, it will work as programmed. Power supply: 120V±15% AC; Output:Max 15A/120V.
【Easy to program】 Just set start temperature and stop temperature, this plug in thermostat will work in heating or cooling mode. Temperature control range:-40℉~248℉(-40℃~120℃), temperature control accuracy: ±1%. Celsius and Fahrenheit can be converted. This digital temeprature controller also supports temperature calibration if needed.
【Timing function】 F01 Cycle Timer mode; F02 Countdown ON mode, F03 Countdown OFF mode, F04 Countdown ON and Countdown OFF mode. You can choose F01 mode to control the device to work in cycles, or choose F02~F04 modes to countdown to turn on or turn off the device. Set range: 0~99 hours 59 minutes. Please note that temperature control function and timing function cannot be used at the same time.
【More functions】 3m NTC 10K temprature sensor probe. Large LCD display. Temperature calibration. Reset function. Data storage function that all parameters set can be saved after power off.
【Wide Range of Application】This temperature controlled outlet plug is widely used for greenhouse, reptile, incubator, terrarium, freezer, refrigerator, heater, fridge, homebrew, vivarium, fermentation, heat mat, and other temperature-controlled system. It can also be used as a timer for cycle timing and countdown.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MEET YOUR NEEDS | 9.95 | ✅ | ✅ | ✅ |
Digital display
Adjust temperature manually with up/down buttons
Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat (120-240V) multistage HVAC systems
Accurate temperature control of +/-1-Degree F for consistent comfort
Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
This Wi-Fi smart home thermostat enables you to set your clock, read outdoor temperatures, automate temperature control, and program remotely through the Watts Home mobile app which is available for iOS and Android devices
Smart home compatible with Amazon Alexa and Hey Google for home automation voice control and you can enable remote software updates
It has a modern and sleek design; a 4.3 inch digital touchscreen display; three home screen options: clock, control settings, or weather; and portrait and landscape mounting options.
This floor heating thermostat can compensate for outdoor weather conditions, auto shut-off for warm weather temperatures, and there is also a maximum floor temperature setting to protect different types of flooring
Track your energy use, receive email/text notifications, and access away terminal features at home or remotely as a well as connect to optional equipment: SunStat Rely R4 and ConnectPlus Smart Sensor
There are multiple support and data features such as heat output, a voltage detector, momentary testing, a diagnostic screen, an easy set up function, a help feature, and works with 120 and 240 voltage.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Honeywell | 5 |
| Honeywell Home | 2 |
| Suntouch | 2 |
| Ketotek | 1 |
| Willhi | 1 |
We've carried out a comprehensive analysis of 31,592 reviews on thermostat controllers, using our selection criteria to identify the best options in the test, measure & inspect. Our findings reveal that most customers typically select thermostat controllers priced around $81.49, with top brands including inkbird, powerblanket, trane, ecobee, aprilaire, google, suntouch, iliving and bn-link and cielo breez
Our team of expert editors reviewed these high-quality items and handpicked the top 11 thermostat controllers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the test, measure & inspect category. These include inkbird, amazon.com, airstarsupply, home controls, inc., blake invie incorporated, woot, bn-link, randt corp and cielo wigle and heatizon systems usa manufacturer .
We are dedicated to assisting our users in finding the right thermostats Products based on their needs, saving them considerable time when choosing which thermostat controllers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP3](https://m.media-amazon.com/images/I/41aTTRRNd-L._SL500_.jpg)
![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP1](https://m.media-amazon.com/images/I/41Vn+VuUDDL._SL500_.jpg)
![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP2](https://m.media-amazon.com/images/I/317MfTBryHL._SL500_.jpg)
![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP3](https://m.media-amazon.com/images/I/41rwaGQqmRL._SL500_.jpg)
![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP4](https://m.media-amazon.com/images/I/41oTIj+lrXL._SL500_.jpg)
![Suntouch Command Touchscreen Programmable Thermostat [Universal] Model 500850 (Low-Profile, User-Friendly Floor Heat Control, 120/240V, Bright White + Paintable Beauty Ring) Includes Floor Sensor #TOP5](https://m.media-amazon.com/images/I/21-hTIdhJfL._SL500_.jpg)
