Stelpro Wall Heater Thermostat Alternatives: 6 Similar Picks Compared

How each alternative compares

Google Nest Smart Wi-Fi Thermostat

The Google Nest Smart Wi-Fi Thermostat replaces wired control with app-based management. It connects via Wi-Fi, allowing you to adjust settings remotely, which the Stelpro ST402PFF cannot do. It is designed for Google Home users who want smart scheduling without needing a C-wire, whereas the Stelpro requires a three-wire connection for forced-air units. The Nest is smaller, measuring 3.31 inches in width and height, compared to the Stelpro’s 4.94-inch square face. You give up the 1°F thermistor precision of the Stelpro for broader smart home integration. Pick this if you need remote access and already use Google services.

Honeywell Home Smart Color Touchscreen Thermostat

The Honeywell Home Smart Color Touchscreen Thermostat offers a color display and humidity data, features the white Stelpro ST402PFF lacks. It requires a C-wire, similar to the Stelpro’s wired nature, but adds Wi-Fi connectivity for smart control. The Honeywell is slightly smaller at 4.5 inches long and 3.5 inches high. It supports Alexa, expanding compatibility beyond simple manual programming. You gain detailed environmental readings and a customizable screen. However, you lose the specific 4000W fan heater rating of the Stelpro. Choose this if you have a C-wire and want visual feedback and smart features for forced air systems.

Google Nest Programmable Wi-Fi Thermostat (Renewed)

The Google Nest Programmable Wi-Fi Thermostat (Renewed) provides app control and voice integration, unlike the manual Stelpro ST402PFF. It uses Wi-Fi for remote adjustments, a capability the Stelpro does not have. This model is compact, measuring 3.31 inches square, significantly smaller than the Stelpro’s 4.94-inch dimensions. It is suitable for homes with compatible wiring and Wi-Fi access. You trade the 1°F thermistor sensing of the Stelpro for smart scheduling and remote management. This renewed option offers a budget-friendly path to smart control. Pick this if you want basic smart features and app-based management for your HVAC system.

Google Nest Programmable Wi-Fi Thermostat

The Google Nest Programmable Wi-Fi Thermostat in charcoal offers remote control via Wi-Fi, a feature absent in the wired Stelpro ST402PFF. It is designed for standard single-stage HVAC homes, whereas the Stelpro is rated for 4000W fan heaters. The Nest is small, measuring 3.31 inches square, compared to the Stelpro’s larger 4.94-inch face. It provides basic smart features in a compact package. You give up the precise 1°F thermistor sensing of the Stelpro for app-based scheduling. This model suits users who need remote access and have compatible wiring. Choose this if you prioritize smart connectivity over specific high-wattage fan heater control.

Ecobee Smart Thermostat Enhanced

The Ecobee Smart Thermostat Enhanced provides strong smart home integration and app-based control, which the Stelpro ST402PFF lacks. It offers a C-wire alternative, simplifying installation for homes without one, while the Stelpro requires a three-wire connection. The Ecobee is black and measures 4.09 inches square, slightly smaller than the Stelpro’s 4.94-inch dimensions. It weighs 1.1 pounds, heavier than the Stelpro’s 9.6 ounces. You gain automated comfort and remote management but lose the specific 4000W fan heater rating. Pick this if you need easy installation without a C-wire and want advanced smart features for your heating system.

Riseem Wi-Fi Single-Stage Smart Thermostat

The Riseem Wi-Fi Single-Stage Smart Thermostat is built for basic 1 heat/1 cool systems, unlike the 4000W fan heater focus of the Stelpro ST402PFF. It requires a C-wire, similar to the Stelpro’s wired setup, but adds Wi-Fi for app-based scheduling. The Riseem is light blue and measures 4.72 inches wide, comparable to the Stelpro’s 4.94-inch width. It is not suitable for complex HVAC setups. You trade the 1°F thermistor precision of the Stelpro for smart connectivity. Choose this if you have a conventional 1 heat/1 cool system and need remote control via an app.

Quick picks

Our 7 picks

1 Best overall

Stelpro ST402PFF 4000W Programmable Wall Heater Thermostat

Best for: Forced-air fan heater temperature control

System Compatibility

Fan-forced wall and ceiling heaters

Voltage

120V, 208V, 240V

Wiring Requirement

Three-wire

Programmability

4 weekday and 2 weekend events

Sensor Support

Thermistor

Dimensions

1.38 × 4.94 × 4.94 inches

View on Amazon: Stelpro ST402PFF 4000W Programmable Wall Heater Thermostat Affiliate link

This Stelpro thermostat is built for fan heaters and forced-air units, not electric baseboards. It handles up to 4000W at 240V. You can program four events on weekdays and two on weekends. A timed boost feature delivers maximum output when needed. The thermistor sensing holds temperature within 1°F. It uses a three-wire connection and comes with a five-year warranty.

Pros

• Rated for 4000W on forced-air units
• Holds temperature within 1°F increments
• Programmable with weekday and weekend schedules
• Includes timed boost for maximum output
• Backed by a 5-year warranty

Cons

• Not compatible with electric baseboards or convectors
• Lacks Wi-Fi or smart home connectivity
• No remote control or mobile app included

Good fit if

• You have a fan heater or forced-air unit
• You need precise 1°F temperature control
• You want a wired, reliable thermostat

Skip if

• You have electric baseboard heaters
• You need remote control via an app
• You want Wi-Fi connectivity

Verdict: Stelpro ST402PFF 4000W Programmable Wall Heater Thermostat fits users with forced-air systems who need precise, wired control without smart features.

2 Also great

Google Nest Smart Wi-Fi Thermostat

Best for: Google Home users wanting C-wire-free installation

Wiring Requirement

Works without C wire in most homes

Smart Home Compatibility

Google Assistant, Matter

Programmability

Programmable

Connectivity

Wi-Fi

Dimensions

3.31 × 3.31 × 1.07 inches

Weight

4.96 ounces

View on Amazon: Google Nest Smart Wi-Fi Thermostat Affiliate link

The Google Nest Thermostat in Sand is a programmable Wi-Fi unit designed for home comfort and energy efficiency. It works without a C wire in most homes, though some systems like heat pumps require one. The device features HVAC monitoring to alert you to system issues and integrates with Google Assistant and Matter-certified voice assistants. It allows remote control via the Google Home app on iOS or Android devices.

Pros

• Works without a C wire in most homes
• Compatible with Google Assistant and Matter voice assistants
• Includes HVAC monitoring for system alerts
• Remote control via Google Home app

Cons

• Requires C wire for heat pump or zone-controlled systems
• No display mentioned in specifications
• Limited to Google Home app for scheduling

Good fit if

• You want a thermostat that works without a C wire
• You use Google Assistant or Matter devices
• You want HVAC system monitoring alerts

Skip if

• You have a heat pump system without a C wire
• You prefer non-Google smart home ecosystems
• You need a thermostat with a physical display

Verdict: Google Nest Thermostat Sand fits users who want smart scheduling and HVAC monitoring without a C wire, especially those already in the Google Home ecosystem.

3 Also great

Honeywell Home Smart Color Touchscreen Thermostat

Best for: homes with C-wires and forced air systems

System Compatibility

Forced air, hot water, steam, heat pump

Wiring Requirement

C-Wire Required

Smart Home Compatibility

Amazon Alexa, Google Assistant, Cortana

Programmability

Programmable

Display Type

Color touchscreen

Sensor Support

Humidity

View on Amazon: Honeywell Home Smart Color Touchscreen Thermostat Affiliate link

The Honeywell Home RTH9600WF is an ENERGY STAR certified Wi-Fi thermostat with a customizable color touchscreen. It displays indoor and outdoor temperature and humidity. It works with Alexa, Google Assistant, and Cortana. This model supports forced air, hot water, steam, and heat pumps. It requires a C-wire for power. It does not work with electric baseboard heat. You get personalized energy-saving tips through the app.

Pros

• Customizable color touchscreen display
• Shows indoor and outdoor humidity
• Compatible with Alexa and Google Assistant
• ENERGY STAR certified for energy tracking
• Supports heat pumps with electric backup

Cons

• Requires a C-wire for installation
• Incompatible with electric baseboard heating
• No support for Microsoft Cortana mentioned in key specs

Good fit if

• You have a C-wire available in your wall box
• You use forced air or heat pump systems
• You want to monitor indoor humidity levels

Skip if

• You have electric baseboard heating
• You do not have a C-wire installed
• You need support for electric baseboard heat

Verdict: Honeywell Home RTH9600WF Smart Thermostat fits homes with forced air or heat pump systems that already have a C-wire. It suits users who want humidity data and color screen customization.

4 Also great

Google Nest Programmable Wi-Fi Thermostat (Renewed)

Best for: budget-conscious smart home users

Wiring Requirement

Works without C wire in most homes

Smart Home Compatibility

Google Assistant, Alexa

Programmability

Programmable

Connectivity

Wi-Fi

Dimensions

3.31 × 3.31 × 1.07 inches

View on Amazon: Google Nest Programmable Wi-Fi Thermostat (Renewed) Affiliate link

This Google Nest Thermostat is a programmable Wi-Fi unit designed for home comfort. It works without a C wire in most homes, simplifying installation. You can control temperature via the Google Home app or voice commands with Google Assistant and Alexa. The device adjusts automatically when you leave, helping to save energy. It is ENERGY STAR certified and fits well in systems that support smart scheduling.

Pros

• Programmable scheduling via app
• Works without C wire in most homes
• Compatible with Google Assistant and Alexa
• ENERGY STAR certified for energy efficiency

Cons

• Renewed condition rather than new
• Requires Wi-Fi for remote control
• Not compatible with all heating systems

Good fit if

• You want voice control with Google Assistant
• Your system likely works without a C wire
• You prefer app-based scheduling

Skip if

• You need a new unit without refurbishment
• Your system lacks Wi-Fi connectivity
• You require compatibility with non-Google smart homes

Verdict: Google Nest Thermostat Snow is a solid choice for users seeking app control and voice integration. It suits homes with compatible wiring and Wi-Fi access.

5

Google Nest Programmable Wi-Fi Thermostat

Best for: Standard single-stage HVAC homes needing remote control

Wiring Requirement

C-wire may be required

Programmability

Programmable

Connectivity

Wi-Fi

Dimensions

3.31 × 3.31 × 1.07 inches

Weight

4.96 ounces

View on Amazon: Google Nest Programmable Wi-Fi Thermostat Affiliate link

This is a programmable Wi-Fi thermostat in a charcoal finish. The unit measures 3.31 inches square and weighs 4.96 ounces. It connects to your home network for remote control. You must check if your system requires a C-wire before buying. It fits homes with standard single-stage HVAC setups. The design is compact and unobtrusive on your wall.

Pros

• Programmable scheduling capabilities
• Wi-Fi connectivity for remote access
• Compact 3.31-inch square form factor

Cons

• May require a C-wire for installation
• Renewed condition rather than new
• Limited to single-stage heating and cooling

Good fit if

• You want a compact smart thermostat for a standard home
• You need Wi-Fi control for your HVAC system
• You prefer a neutral charcoal color for your decor

Skip if

• Your system lacks a C-wire and you cannot install one
• You require multi-stage heating or cooling support
• You prefer a brand-new unit over a renewed one

Verdict: Google Nest Thermostat Charcoal T3007ES offers basic smart features in a small package. It suits you if you have a standard HVAC system and need remote control via Wi-Fi.

6 Best premium

Ecobee Smart Thermostat Enhanced

Best for: homes needing C-wire alternative and smart home integration

System Compatibility

90% of HVAC systems

Wiring Requirement

PEK included for no C-wire

Smart Home Compatibility

Alexa, Google Assistant, Apple HomeKit

Programmability

Programmable

Sensor Support

Occupancy, humidity, SmartSensor

Certification

Energy Star Certified

View on Amazon: Ecobee Smart Thermostat Enhanced Affiliate link

The Ecobee Smart Thermostat Enhanced is a Wi-Fi enabled unit designed for programmable temperature control. It features built-in occupancy sensing and humidity detection to adjust settings automatically. The device includes a Power Extender Kit, allowing installation in homes without a C-wire. It connects with Alexa, Google Assistant, and Apple HomeKit. This model suits users seeking smart automation and remote app control for their HVAC systems.

Pros

• Built-in occupancy and humidity sensors
• Includes Power Extender Kit for C-wire-free installation
• Compatible with Alexa, Google Assistant, and Apple HomeKit
• Remote control via smartphone app

Cons

• SmartSensors are sold separately
• No physical display mentioned in specs
• Limited to single-stage compatibility

Good fit if

• You need a C-wire alternative via the included PEK
• You use Apple HomeKit or Alexa
• You want automatic occupancy-based adjustments

Skip if

• You require included room sensors
• You prefer a thermostat with a built-in display
• You have a multi-stage HVAC system

Verdict: Ecobee Smart Thermostat Enhanced offers strong smart home integration and easy installation for homes lacking a C-wire, making it ideal for users who prioritize automated comfort and app-based control.

7 Best budget

Riseem Wi-Fi Single-Stage Smart Thermostat

Best for: Basic 1 heat/1 cool conventional HVAC systems

System Compatibility

Single-stage 1H/1C conventional

Voltage

24V

Wiring Requirement

C-wire required

Programmability

7-day or 0-day

Connectivity

2.4GHz Wi-Fi

Display Type

Backlit LCD

View on Amazon: Riseem Wi-Fi Single-Stage Smart Thermostat Affiliate link

The Riseem STN701W is a single-stage 1 heat/1 cool thermostat designed for conventional 24V HVAC systems. It requires a C-wire and connects via 2.4GHz Wi-Fi for app control. The unit features a backlit LCD screen and supports 7-day programming. Its compact dimensions are 4.72 inches wide and 3.86 inches high. This model suits users with basic heating and cooling needs who want remote scheduling capabilities.

Pros

• Supports 7-day programmable scheduling for routine management
• Includes a backlit LCD display for readability in low light
• Enables remote temperature adjustments via smartphone app
• Maintains accurate temperature control within 2°F

Cons

• Incompatible with multi-stage systems, heat pumps, and line voltage heaters
• Limited to 2.4GHz Wi-Fi networks only
• Requires a C-wire for power and cannot run on batteries

Good fit if

• You have a conventional single-stage 1 heat/1 cool system
• You need a thermostat with a backlit display for dark rooms
• You want to schedule temperatures via a mobile app

Skip if

• You use a heat pump or multi-stage HVAC system
• Your home network only supports 5GHz Wi-Fi
• Your system lacks a C-wire for continuous power

Verdict: The Riseem STN701W Single-Stage Smart Thermostat fits users with basic 1 heat/1 cool systems who need app-based scheduling. It is not suitable for complex HVAC setups or homes without a C-wire.

Specifications side by side

Frequently asked questions

See also

• stelpro sonoma wall fan heater alternatives
• givebest smart wall heater alternatives