The following selection highlights top 220V baseboard heater thermostats that offer smart features, compatibility with line-voltage systems, and easy installation. These options cover Wi‑Fi control, home integrations, and reliable manual models to fit a range of needs and budgets across American homes.
| Product | Brand | Key Features | Image |
|---|---|---|---|
| Mysa Smart Thermostat LITE – Line Voltage Electric Baseboard Heater Thermostat 120V/240V | Mysa | Wi-Fi, schedules, energy reports, HomeKit/Alexa/Google, remote control | ![]() |
| Cadet F Series Double Pole Built-In Baseboard Thermostat (BTF2W) | Cadet | 22 Amp, 120/208/240V, easy end-mount installation | ![]() |
| Mysa Smart Thermostat for Electric Baseboard Heaters 240V | Mysa | Remote app, HomeKit/Alexa/Google, 240V, four-wire required | ![]() |
| Honeywell Home RLV4305A1000 5-2 Day Programmable Thermostat | Honeywell Home | 5-2 day programming, accurate ±0.27°F, silent TRIAC switching | ![]() |
| meross Smart Thermostat for Electric Baseboard Heaters (120V-240V) | meross | HomeKit/Alexa/Google, 4-wire install, high-voltage compatibility | ![]() |
Mysa Smart Thermostat LITE

The Mysa Smart Thermostat LITE is designed for high-voltage electric baseboard heaters. It supports 120V and 240V systems and enables Wi‑Fi control via a dedicated mobile app. Users can create daily schedules to optimize energy usage, with the option to integrate with HomeKit, Alexa, and Google Assistant. The device aims to reduce heating costs through programmable capabilities and energy reporting, with no ongoing subscription fees.
Cadet F Series Double Pole Built-In Thermostat

The Cadet F Series BTF2W thermostat is a double-pole device designed for Cadet baseboard heaters. It provides a wide temperature range from 45º to 80ºF and features a large adjustable dial for manual control. Installation is straightforward, mounting at either end of the baseboard heater to minimize wiring changes. It is compatible specifically with Cadet F series units, simplifying compatibility concerns for existing Cadet systems.
Mysa Smart Thermostat for Electric Baseboard Heaters 240V

This Mysa model is tailored for 240V electric baseboard systems and requires at least four wires, including a neutral or second live wire. It supports remote control via a dedicated app and integrates with HomeKit, Alexa, and Google. The device emphasizes a compact form factor and adaptive display technology for brightness based on sleep and wake modes. It is suitable for installations needing robust high-voltage control with smart functionality.
Honeywell Home RLV4305A1000

The Honeywell RLV4305A1000 is a 5-2 day programmable line-voltage thermostat for electric baseboards and convectors. It emphasizes accuracy with a tight temperature control and features silent TRIAC switching to minimize temperature swings. This model is well-suited for users seeking reliable, non-smart programmable control without Wi‑Fi connectivity, offering straightforward daily and weekly schedules.
Honeywell Home CT410B Manual Thermostat

The Honeywell CT410B is a four-wire manual, line-voltage thermostat suitable for electric baseboards and convectors. It uses a bimetal sensor for simple, reliable operation and does not require programming. This solution is ideal for users who prefer direct manual control without automated scheduling, while maintaining compatibility with generic four-wire high-voltage installations.
Cadet Single Pole Built-In Thermostat Kit (BTF1W)

The Cadet BTF1W single-pole built-in thermostat kit fits Cadet electric baseboard heaters. It offers a 22 Amp rating and supports 240/208/120 volt configurations. Installation is designed for end-m mounting on Cadet baseboards, reducing the need for additional wiring. The device provides a straightforward, reliable option for Cadet heater systems requiring basic temperature control.
Honeywell Home RLV3120A1005

The Honeywell RLV3120A1005 is a digital non-programmable thermostat for electric heat only. It delivers high-precision control with a ±0.27°F accuracy and silent TRIAC switching to minimize temperature swings. This model is designed for simple, manual operation in baseboard setups where automated scheduling is not required.
Buying Guide: Key Purchase Considerations
- Voltage compatibility: Confirm 120V, 208V, or 240V compatibility with your baseboard system, and ensure the device supports the total wattage of your heater.
- Control type: Decide between smart Wi-Fi thermostats offering remote control and schedules, or traditional manual/programmed models for straightforward operation.
- Wiring requirements: Some high-voltage thermostats require four wires including a neutral or a second live wire; verify your existing wiring before installation.
- Platform and integration: If smart, check compatibility with Apple HomeKit, Amazon Alexa, and Google Home for voice and routine control.
- Energy management: Look for features like scheduling, energy reports, adaptive brightness, and appliance integration that help reduce heating costs.
- Installation ease: Some units mount at heater ends or require a quick wall box install; consider your comfort with electrical work or professional installation needs.
- Reliability and accuracy: Thermostats with tight temperature control minimize swings and provide consistent comfort in varied climates.
- Brand ecosystem: If you already use one brand for other devices, staying within the same ecosystem can improve compatibility and future updates.
