Skip to content
GaugeHub.net
Search

Smart Thermostats

Looking Beyond the SunTouch SunStat ConnectPlus Smart Wi-Fi? 6 Alternatives Worth a Look

Explore 6 SunTouch SunStat ConnectPlus smart Wi-Fi alternatives. Compare published specs to find the right thermostat for your radiant floor heating setup.

GaugeHub Editorial Team 4 Nov 2026 6 min read

Looking Beyond the SunTouch SunStat ConnectPlus Smart Wi-Fi? 6 Alternatives Worth a Look

As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

The SunTouch SunStat ConnectPlus 4.3" Thermostat offers app control and voice integration for electric floor heating. If you are searching for suntouch sunstat connectplus smart wi fi alternatives, you may need a different size, feature set, or brand. This device fits homes with radiant systems, but its specific HVAC compatibility limits general use. You might prefer a thermostat that supports heat pumps or conventional systems instead.

We selected 6 alternatives because their published specifications overlap with the original. Some options provide larger touchscreens or humidity monitoring. Others support broader smart home ecosystems like Apple HomeKit or Matter. These specs address needs that the SunTouch unit does not cover. You can compare dimensions, connectivity types, and control methods to find the best fit. Each listed product meets specific criteria for your home setup.

How alternatives differ from SunTouch

Honeywell Home X7B Smart Thermostat

The Honeywell Home X7B offers a larger 4.3-inch display and tracks humidity, which the SunTouch unit does not. It supports Matter and Apple HomeKit, expanding your smart home options beyond Alexa and Google. The X7B is slightly thinner at 0.96 inches compared to the SunTouch’s 2.75-inch depth. You should choose this if you have a conventional HVAC system rather than radiant floor heating. It requires a C-wire and fits users who want multi-stage HVAC control. The SunTouch remains better for dedicated floor warming schedules, but the X7B provides broader compatibility and air quality monitoring for general home comfort.

Honeywell Home T9 Touchscreen Thermostat

The Honeywell Home T9 supports room sensors for targeted temperature control, a feature absent in the SunTouch SunStat ConnectPlus. It works with Alexa and Google Assistant but lacks Apple HomeKit support. The T9 is thinner at 0.94 inches and lighter at 7.2 ounces. You need a C-wire adapter for installation. This thermostat suits homes needing specific room comfort rather than whole-house or floor-specific heating. The SunTouch focuses on floor heating protection and scheduling. If you want to heat individual rooms efficiently, the T9 is the better choice. It sacrifices the SunTouch’s specialized floor heating logic for flexible multi-room targeting.

Honeywell Home X7S Smart Wi-Fi Thermostat

The Honeywell Home X7S supports dual-band Wi-Fi and Matter, offering robust connectivity. It includes humidity monitoring, which the SunTouch unit does not provide. The X7S is designed for heat pump and conventional HVAC systems, not electric floor heating. It is white and features a touchscreen interface. You should pick this if you need broad HVAC versatility and smart home integration beyond Alexa and Google. The SunTouch is specialized for radiant floors with features like floor max settings. The X7S gives up floor-specific controls for general system management and enhanced connectivity standards.

Siterwell WiFi Thermostat 3.5-Inch Display

The Siterwell GS366A is a compact thermostat with a 3.5-inch display, smaller than the SunTouch’s 4.3-inch screen. It supports Alexa and Google Assistant for voice control. The unit is lightweight at 4.8 ounces and measures 1.04 inches in depth. It is designed for standard HVAC systems, not radiant floor heating. You should choose this if you prioritize voice control and a slim profile over specialized floor heating features. The SunTouch offers app control and remote scheduling for electric floors. The Siterwell provides basic smart control for conventional systems without the bulk or specialized floor protection settings.

PORTEXA ElitePRO S1200 5-inch Touchscreen Thermostat

The PORTEXA ElitePRO S1200 features a 5-inch touchscreen, larger than the SunTouch’s 4.3-inch display. It monitors indoor air quality and integrates with doorbells, features the SunTouch lacks. It supports Alexa, Google Assistant, and Apple HomeKit. The unit is white and designed for indoor placement. It fits heat pump and dual-fuel HVAC systems rather than electric floor heating. You should pick this if you want air quality data and smart home versatility. The SunTouch is specialized for floor warming schedules. The PORTEXA gives up floor-specific controls for broader home management and larger interface visibility.

Ecobee Smart Thermostat Essential Wi-Fi

The Ecobee Smart Thermostat Essential supports Alexa, Google Assistant, and Apple HomeKit, offering broader ecosystem support than the SunTouch. It features a color touchscreen and a slim 0.91-inch profile. The unit weighs only 3.2 ounces. You may need to purchase sensors and power kits separately. It is designed for compatible HVAC systems, not electric floor heating. You should choose this if you want a color interface and broad smart home compatibility. The SunTouch provides specialized floor heating management and scheduling. The Ecobee sacrifices floor-specific features for general HVAC control and extensive third-party integrations.

#ProductBest forPrice
1SunTouch SunStat ConnectPlus 4.3" Thermostat Best overallelectric floor heating systems with app control
2Honeywell Home X7B Smart Thermostat Best budgetHumidity monitoring and large touchscreen displays
3Honeywell Home T9 Touchscreen Thermostat Best premiummulti-room temperature targeting
4Honeywell Home X7S Smart Wi-Fi Thermostat Also greatHeat pump and conventional HVAC systems
5Siterwell WiFi Thermostat 3.5-Inch Display Best voice controlvoice control and standard HVAC systems
6PORTEXA ElitePRO S1200 5-inch Touchscreen Thermostat Best indoorindoor air quality and doorbell integration
7Ecobee Smart Thermostat Essential Wi-Fi Also greatUsers wanting a touchscreen thermostat with broad smart home compatibility
1Best overall
SunTouch SunStat ConnectPlus 4.3" Thermostat

SunTouch SunStat ConnectPlus 4.3" Thermostat

Best for: electric floor heating systems with app control

Smart Home Compatibility
Alexa, Google
HVAC Compatibility
Electric floor heating
Display Size
4.3 in
Wireless Connectivity
Wi-Fi
Color
White
Keypad Type
Touchscreen

The SunTouch SunStat ConnectPlus is a smart thermostat designed for electric floor heating systems. It features a 4.3-inch capacitive touchscreen and Wi-Fi connectivity for remote control via the Watts Home app. You get 7-day scheduling, floor and air sensing, and compatibility with Amazon Alexa and Google Home. This unit supports 120 and 240-volt systems and includes energy monitoring to help you manage your radiant heat efficiently.

Pros
  • 4.3-inch capacitive touchscreen display
  • Wi-Fi connectivity for remote app control
  • Compatible with Amazon Alexa and Google Home
  • Supports 120 and 240-volt electric floor heating
  • Includes floor and air sensing control
Cons
  • Limited to electric floor heating compatibility
  • Smaller 4.3-inch display compared to 5-inch competitors
Good fit if
  • You have an electric radiant floor heating system
  • You want remote control via a mobile app
  • You prefer voice control with Alexa or Google Home
Skip if
  • You need compatibility with gas or oil furnaces
  • You require a display larger than 4.3 inches
  • You do not have Wi-Fi access for setup

Verdict: SunTouch SunStat ConnectPlus 4.3" Thermostat is a practical choice for homeowners with radiant floor heating who want app-based scheduling and voice control. It fits users who prioritize specialized floor heating management over general HVAC versatility.

2Best budget
Honeywell Home X7B Smart Thermostat

Honeywell Home X7B Smart Thermostat

Best for: Humidity monitoring and large touchscreen displays

Smart Home Compatibility
Alexa, Matter, Apple Home, Google
C-Wire Requirement
Required (adapter voucher included)
HVAC Compatibility
Heat pump, conventional, forced air
HVAC Stages
3H/2C heat pump, 2H/2C conventional
Wireless Connectivity
Wi-Fi (2.4 GHz, 5.0 GHz)
Display Size
4.3"

The Honeywell Home X7B is a programmable thermostat with a 4.3-inch customizable touchscreen. It monitors humidity to help maintain indoor air quality. The device supports dual-band Wi-Fi and works with Alexa, Google Assistant, and Apple Home via Matter. It handles heat pump and conventional systems. This unit suits users who want a clear display and smart home integration without complex setup hurdles.

Pros
  • 4.3-inch customizable touchscreen for enhanced visibility
  • Dual-band Wi-Fi (2.4 GHz and 5.0 GHz)
  • Humidity monitoring for indoor air quality
  • Matter certified for easy interoperability
  • Compatible with Alexa, Google, and Apple Home
Cons
  • Limited to 3 heat and 2 cool stages for heat pumps
  • Requires a C-wire for operation
  • Does not support electric baseboard heating
Good fit if
  • You need humidity monitoring to track air quality
  • You use a heat pump or conventional HVAC system
  • You want a large, customizable touchscreen display
Skip if
  • You have electric baseboard heating in your home
  • You do not have a C-wire available
  • You need more than 3 heat stages for your system

Verdict: Honeywell Home X7B 4.3" Smart Thermostat fits homeowners with conventional or heat pump systems who value humidity tracking and a large interface. It is a solid choice for those with existing C-wires and multi-stage HVAC setups.

3Best premium
Honeywell Home T9 Touchscreen Thermostat

Honeywell Home T9 Touchscreen Thermostat

Best for: multi-room temperature targeting

Smart Home Compatibility
Alexa, Google Assistant
C-Wire Requirement
Required, power adapter included
HVAC Compatibility
Forced air, hot water, steam, heat pump
Room Sensor Support
Supported (sold separately)
Wireless Connectivity
Wi-Fi
Sensor
Room Sensor

The Honeywell Home T9 is a Wi-Fi smart thermostat with a touchscreen display. It supports Alexa and Google Assistant for voice control. A key feature is multi-room focus, allowing you to add Smart Room Sensors to target comfort in specific areas. It includes a C-wire adapter for easier installation. This unit suits users who want room-level temperature management alongside standard smart home integration.

Pros
  • Touchscreen display for local control
  • Supports Smart Room Sensors for multi-room focus
  • Works with Alexa and Google Assistant
  • Includes C-wire power adapter
Cons
  • Requires a C-wire for power
  • Does not work with electric baseboard heat
  • Smart Room Sensors are sold separately
Good fit if
  • You want to target temperature in specific rooms
  • You use Alexa or Google Assistant
  • Your system lacks a C-wire
Skip if
  • You have electric baseboard heating
  • You prefer a smaller display
  • You want sensors included in the box

Verdict: Honeywell Home T9 Smart Thermostat fits homes needing room-specific comfort control. It works well if you already use smart speakers and need a C-wire adapter.

4Also great
Honeywell Home X7S Smart Wi-Fi Thermostat

Honeywell Home X7S Smart Wi-Fi Thermostat

Best for: Heat pump and conventional HVAC systems

Smart Home Compatibility
Alexa, Matter, Apple Home, Google
C-Wire Requirement
Required (adapter voucher included)
HVAC Compatibility
Heat pump, conventional, forced air
HVAC Stages
3H/2C heat pump, 2H/2C conventional
Wireless Connectivity
Wi-Fi (2.4 GHz, 5.0 GHz)
Display Size
4.3"

The Honeywell Home X7S features a 4.3-inch customizable touchscreen and dual-band Wi-Fi support. It includes humidity monitoring and occupancy detection to adjust settings automatically. This thermostat works with heat pump and conventional systems. It connects via the First Alert app and supports Matter, Alexa, Google, and Apple Home. You get a C-wire adapter if needed.

Pros
  • 4.3-inch customizable touchscreen display
  • Dual-band Wi-Fi (2.4 GHz and 5.0 GHz)
  • Matter certified for interoperability
  • Humidity monitoring capability
  • Occupancy and presence detection
Cons
  • Limited to 3 heat/2 cool stages for heat pumps
  • Requires a C-wire for installation
  • Does not work with electric baseboard heat
Good fit if
  • You want a customizable 4.3-inch display
  • You have a heat pump or conventional system
  • You need Matter certification for smart home integration
Skip if
  • You use electric baseboard heating
  • You do not have a C-wire and cannot install one
  • You prefer a larger 5-inch or bigger display

Verdict: Honeywell Home X7S 4.3" Smart Thermostat fits homeowners with heat pump or conventional systems who value dual-band Wi-Fi and Matter support. It is ideal if you want humidity monitoring and a customizable interface.

5Best voice control
Siterwell WiFi Thermostat 3.5-Inch Display

Siterwell WiFi Thermostat 3.5-Inch Display

Best for: voice control and standard HVAC systems

Smart Home Compatibility
Alexa, Google Assistant
HVAC Compatibility
24VAC, gas, oil, electric
Wireless Connectivity
WiFi
Display Size
3.5-inch
Color
White
Control Method
App Control, Voice Control, Alexa

The Siterwell GS366A Smart Thermostat connects to your home Wi-Fi and works with Alexa and Google Assistant for voice control. It features a 3.5-inch full-color touchscreen display and supports 24VAC systems including gas, oil, and electric heat. This unit measures 4.13 by 4.13 inches and weighs 4.8 ounces. It suits users who want app-based scheduling and reliable voice commands for their HVAC setup.

Pros
  • Compatible with Alexa and Google Assistant for voice control
  • 3.5-inch full-color touchscreen display shows temperature and humidity
  • Supports 24VAC gas, oil, and electric HVAC systems
  • UL-certified for safety standards
Cons
  • 3.5-inch display is smaller than the 4.3-inch or 5-inch screens on other options
  • 4.8-ounce weight is heavier than some lighter alternatives
  • 3-year warranty is shorter than the typical 5-year coverage found on other models
Good fit if
  • You want reliable voice control via Alexa or Google Assistant
  • You have a 24VAC heating system with gas, oil, or electric sources
  • You prefer a compact 3.5-inch touchscreen interface
Skip if
  • You require a larger display than 3.5 inches
  • You need a warranty longer than 3 years
  • You want a lighter unit than 4.8 ounces

Verdict: Siterwell GS366A Smart Thermostat fits users who prioritize voice control and solid HVAC compatibility over a larger screen or extended warranty.

6Best indoor
PORTEXA ElitePRO S1200 5-inch Touchscreen Thermostat

PORTEXA ElitePRO S1200 5-inch Touchscreen Thermostat

Best for: indoor air quality and doorbell integration

Smart Home Compatibility
Alexa, Apple Home, Google Home, Matter
HVAC Compatibility
Heat pumps, conventional, dual-fuel
Wireless Connectivity
WiFi
Display Size
5"
Color
White
Keypad Type
Touchscreen

The PORTEXA ElitePRO is a 5-inch touchscreen thermostat designed for indoor use. It supports heat pumps, conventional, and dual-fuel HVAC systems. You get voice control via Alexa, Apple Home, and Google Home. The display monitors humidity, VOCs, and estimated CO2 levels. It also integrates with Ring and First Alert video doorbells. This unit includes a 5-year warranty for long-term reliability.

Pros
  • Large 5-inch customizable touchscreen for easy control
  • Monitors indoor air quality including humidity and CO2
  • Integrates with Ring and First Alert video doorbells
  • Backed by a 5-year warranty
Cons
  • 5-year warranty is shorter than the 10-year warranty offered by the Honeywell Home T9
  • 5-inch display is smaller than the 4.3-inch SunTouch SunStat ConnectPlus screen
Good fit if
  • You want to monitor indoor air quality metrics like humidity and CO2
  • You use a Ring or First Alert video doorbell
  • You need compatibility with heat pump or dual-fuel systems
Skip if
  • You prefer a larger display than 5 inches
  • You want a warranty longer than 5 years
  • You need integration with Honeywell Home sensors

Verdict: The PORTEXA ElitePRO 5" Smart Thermostat suits users who value air quality monitoring and doorbell integration. It is a practical option for those with heat pump or dual-fuel HVAC systems.

7Also great
Ecobee Smart Thermostat Essential Wi-Fi

Ecobee Smart Thermostat Essential Wi-Fi

Best for: Users wanting a touchscreen thermostat with broad smart home compatibility

Smart Home Compatibility
Alexa, Google Assistant, HomeKit
C-Wire Requirement
Adapter sold separately
HVAC Compatibility
24 VAC, heat pump, dual fuel
HVAC Stages
2H/1C or 1H/2C, 2H/1C heat pump
Wireless Connectivity
Wi-Fi
Color
White

The ecobee Smart Thermostat Essential is a Wi-Fi programmable thermostat with a color touchscreen. It supports 2H/1C and 1H/2C HVAC stages and works with Apple HomeKit, Google Assistant, and Alexa. You can track energy use via the app. It includes a Power Extender Kit option for homes without a C-wire. Room sensors are available separately to improve comfort in specific areas.

Pros
  • Color touchscreen display for easy manual control
  • Compatible with Apple HomeKit, Google Assistant, and Alexa
  • Supports 2H/1C and 1H/2C HVAC configurations
  • Energy Star certified for efficiency tracking
Cons
  • Requires separate purchase of SmartSensors for room-level monitoring
  • Power Extender Kit is sold separately for non-C-wire installations
Good fit if
  • You want a touchscreen interface for direct adjustments
  • You use Apple HomeKit or Google Assistant for smart home control
  • You need support for heat pump or conventional HVAC systems
Skip if
  • You require built-in room sensors for multi-zone temperature management
  • You prefer a thermostat that includes all necessary installation hardware
  • You need a display larger than 3.62 inches

Verdict: The ecobee Smart Thermostat Essential fits users who value a color touchscreen and broad smart home ecosystem support. It is a solid choice for those with compatible HVAC systems who do not mind purchasing sensors and power kits separately.

Specifications side by side

SpecSunTouch SunStat ConnectPlus 4.3" ThermostatHoneywell Home X7B Smart ThermostatHoneywell Home T9 Touchscreen ThermostatHoneywell Home X7S Smart Wi-Fi ThermostatSiterwell WiFi Thermostat 3.5-Inch DisplayPORTEXA ElitePRO S1200 5-inch Touchscreen ThermostatEcobee Smart Thermostat Essential Wi-Fi
Smart Home CompatibilityAlexa, GoogleAlexa, Matter, Apple Home, GoogleAlexa, Google AssistantAlexa, Matter, Apple Home, GoogleAlexa, Google AssistantAlexa, Apple Home, Google Home, MatterAlexa, Google Assistant, HomeKit
C-Wire Requirement–Required (adapter voucher included)Required, power adapter includedRequired (adapter voucher included)––Adapter sold separately
HVAC CompatibilityElectric floor heatingHeat pump, conventional, forced airForced air, hot water, steam, heat pumpHeat pump, conventional, forced air24VAC, gas, oil, electricHeat pumps, conventional, dual-fuel24 VAC, heat pump, dual fuel
HVAC Stages–3H/2C heat pump, 2H/2C conventional–3H/2C heat pump, 2H/2C conventional––2H/1C or 1H/2C, 2H/1C heat pump
Room Sensor Support––Supported (sold separately)––––
Wireless Connectivity–Wi-Fi (2.4 GHz, 5.0 GHz)–Wi-Fi (2.4 GHz, 5.0 GHz)WiFiWiFi–
Display Size4.3 in4.3"–4.3"3.5-inch5"–
Sensor––Room Sensor––––
ColorWhiteWhiteWhiteWhiteWhiteWhiteWhite
Keypad TypeTouchscreenTouchscreenTouchscreenTouchscreen–Touchscreen–
Control MethodApp Control, Remote Control, AlexaAlexaAlexaAlexaApp Control, Voice Control, AlexaAlexaAlexa
Placement–––––Indoor–
CompatibilityGoogle HomeGoogle Home, Apple HomeGoogle HomeGoogle HomeGoogle HomeGoogle Home, Apple HomeGoogle Home
Dimensions5.75 × 2.75 × 3.75 inches0.96 × 3.54 × 5.24 inches4.92 × 3.7 × 0.94 inches–1.04 × 4.13 × 4.13 inches0.96 × 5.24 × 3.54 inches0.91 × 3.62 × 3.62 inches
Weight–12 ounces7.2 ounces–4.8 ounces–3.2 ounces
Size5.75 x 3.75 x 2.75 inches4.3 inches3.7 x 4.92 x 0.94 inches–––1-Pack
Model81020606X7BWF1W/WRCHT9510WFW2001X7SWF3W/WGS366A-MWACElitePROEB-STATE7-01

Frequently asked questions

Which thermostat is best for electric floor heating instead of SunTouch?

The SunTouch SunStat ConnectPlus 4.3" Thermostat remains the top choice for electric floor heating. It offers app control and voice integration via Alexa and Google Home. Its 5.75 x 3.75 x 2.75-inch design fits standard wall spaces. If you need specialized radiant floor management, this unit is the most practical option available.

Does Honeywell Home X7B support Apple HomeKit?

Yes, the Honeywell Home X7B Smart Thermostat supports Apple HomeKit. It also works with Amazon Alexa and Matter. This broad compatibility allows you to control your HVAC system through multiple smart home ecosystems. The white touchscreen interface provides a clean look while offering humidity monitoring for your home.

Can the Honeywell Home T9 control multiple rooms?

The Honeywell Home T9 Touchscreen Thermostat is designed for multi-room temperature targeting. It uses remote room sensors to detect heat in specific areas. This feature helps balance comfort throughout your house. You can control it via Alexa and Google Home for convenient voice commands.

Is the Siterwell thermostat good for voice control?

The Siterwell WiFi Thermostat 3.5-Inch Display is optimized for voice control. It works with Amazon Alexa and Google Assistant. The compact white design fits standard wall outlets. You can manage your HVAC settings using app control or voice commands, making it a practical choice for smart homes.

Does the PORTEXA ElitePRO monitor indoor air quality?

The PORTEXA ElitePRO S1200 5-inch Touchscreen Thermostat includes indoor air quality monitoring. It also features doorbell integration for added convenience. This white unit supports Amazon Alexa, Google Assistant, and Apple HomeKit. It is a solid option for users who want comprehensive home management beyond just temperature control.

What is the size of the Honeywell Home X7S?

The Honeywell Home X7S Smart Wi-Fi Thermostat comes in a white finish. It supports dual-band Wi-Fi and Matter for reliable connectivity. This model fits homeowners with heat pump or conventional HVAC systems. You can control it using Alexa or the app for precise temperature adjustments.

Does the Ecobee Essential come with room sensors?

The Ecobee Smart Thermostat Essential Wi-Fi does not include room sensors in the base package. You must purchase sensors and power kits separately if needed. It features a color touchscreen and supports Amazon Alexa, Google Assistant, and Apple HomeKit. This flexibility allows you to customize your setup.

See also

Written from the Amazon product listings for these models. Specifications are quoted from those listings and scores are out of 10, based on listed specifications and buyer feedback — nothing on this page was measured or handled by us.

More from this section

See all