Best Line Voltage Thermostats of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 5 Feb 2026

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Line Voltage Thermostats are devices used to regulate and control the temperature in a variety of settings. They are often used in residential and commercial buildings to maintain a comfortable temperature and provide energy efficiency. These thermostats are designed to work with high voltage heating systems, such as baseboard heaters and radiant heating systems. They are easy to install and operate, and offer precise temperature control. With a range of features and options available, Line Voltage Thermostats are an excellent choice for those looking for an effective and reliable way to regulate temperature in their home or workplace.

At a Glance: Our Top Picks

Robertshaw 801 Line Voltage Heat Thermostat Cover #TOP 1
Robertshaw 801 Line Voltage Heat Thermostat
ftb score rating icon 9.8
Cadet 08301 Heating Dial Thermostat, 120 Volts Cover #TOP 2
Cadet 08301 Heating Dial Thermostat, 120 Volts
ftb score rating icon 9.7
Robertshaw DPST Line Voltage Electric Heat Thermostat 802 Cover #TOP 3
Robertshaw DPST Line Voltage Electric Heat Thermostat 802
ftb score rating icon 9.5

Top 7 Line Voltage Thermostats

#TOP 1

Robertshaw 801 Line Voltage Heat Thermostat

Robertshaw
White
Robertshaw 801 Line Voltage Heat Thermostat Cover
ROBERTSHAW 801 Line Voltage Thermostat with Single-Pole Single-Throw Heat Only by Robertshaw

The Robertshaw 801 Thermostat is a line voltage thermostat designed for heating systems. Its single-pole single-throw configuration ensures that it effectively controls the heating, providing you with a reliable way to maintain your desired temperature. Manufactured in the United States, this thermostat combines quality with functionality, making it a great choice for your heating needs. With its straightforward design, you can easily install it and enjoy a more comfortable home environment.

What We Like
Reliable heating control
Easy installation
Quality American manufacturing
Simple design
#TOP 2

Cadet 08301 Heating Dial Thermostat, 120 Volts

Cadet
T522-W
White
Cadet 08301 Heating Dial Thermostat, 120 Volts Cover
Cadet 08301 Heating Dial Double Pole Line Voltage Thermostat, 120 Volts

The Cadet 08301 Thermostat features a clean white design, making it a stylish addition to any home. Operating at 120 volts, it ensures efficient heating control, providing you with the comfort you need during colder months. The display measures 4.5 inches tall and 3.75 inches wide, allowing you to easily read the settings at a glance. Although it does not come with built-in WiFi, its simplicity makes it user-friendly, allowing you to manage your heating without complications.

What We Like
Efficient heating control
Easy-to-read display
Stylish white design
User-friendly operation
#TOP 3

Robertshaw DPST Line Voltage Electric Heat Thermostat 802

Robertshaw
Robertshaw DPST Line Voltage Electric Heat Thermostat 802 Cover
Robertshaw DPST Line Voltage Electric Heat Thermostat 802

Features
ACCURATE READINGS: Bimetal Temperature Sensing Yields +/-2ºF Control Accuracy.
HIGH REPLACEMENT POTENTIAL: Replaces Most Available Electric Heat Models. It's A Good Fit For Baseboard Or Radiant Electric Heating Systems.
SYSTEM SHUTOFF CONTROL: This Double-Pole, Single-Throw (DPST) Thermostat Has A Positive “OFF” Position.
INSTALLS QUICKLY: J-Box Compatible
DESIGNED FOR SAFETY: Positive-Off Switch Ensures System Shutdown.
#TOP 4

Ranco ETC-112000-000 Line Voltage Programmable Digital Thermostat

Ranco
ETC-112000-000
Grey
1 Pieces
Ranco ETC-112000-000 Line Voltage Programmable Digital Thermostat Cover
Ranco ETC-112000-000 Line Voltage Programmable Digital Thermostat, 24 VAC, Wall Mount, Modern Style, HVAC Thermostats

Features
Switch Type: SPDT
Line Voltage Thermostat
Switch Action: Open/Close On Rise
For Use With: Heating, Cooling, Refrigeration
Control Range: -30 Degrees To 220 Degrees F
#TOP 5

KING ESP120-R MAX22 7-Day Programmable Electronic Line Voltage Thermostat

KING
ESP120-R
Blue,red
120 Volt
KING ESP120-R MAX22 7-Day Programmable Electronic Line Voltage Thermostat Cover
KING ESP120-R MAX22 7-Day Programmable Electronic Line Voltage Thermostat, 3-Wire, 120V, 22A, 120-Volt

Features
Seven Individual Day Programmability Four Time And Temperature Settings Save Up To 15% On Your Heating Costs Even Temperature Control Electronic Temperature Sensing Is The Most Accurate Technology 3 Minute Cycle Rate Reduces Temperature Swings And Increases Comfort At All Control Settings Contemporary Design Complies With All Codes Requiring Anticipated Or Electronic Thermostats Single Pole Design With Third Wire To Power Display LCD Display With Temperature White Color With Gray Print Shallow D
#TOP 6

Honeywell T6051A1016 Heavy Duty Line Voltage Thermostat

T6051A1016
Beige
Honeywell T6051A1016 Heavy Duty Line Voltage Thermostat Cover
Honeywell T6051A1016 Heavy Duty Line Voltage Thermostat, Heating and Cooling by Honeywell
#TOP 7

Honeywell Home Line Volt Thermostat

CT410B
White
Inquiries-by email
Honeywell Home Line Volt Thermostat Cover
Honeywell Home Line Volt Thermostat, White, Inquiries-by email

Features
Compatible With Electric Baseboards, Convectors And Non-Inductive Rated Fan-Forced Heaters
This Thermostat Is A Non-Programmable Line Voltage Manual Control (120-240 Volts)
This 4-Wire Thermostat Provides Double-Line Break—positive OFF For Easy Installation
Temperature Range: 40 DegreeF To 80 DegreeF (4 DegreeC To 27 DegreeC). Heat Only
Power: 2640W @ 120 Vac, 22A Resistive; 5280W @ 240 Vac, 22A Resistive; 5263W @ 277 Vac, 19A Resistive
If This Control Is Replacing A Control That Contains Mercury In A Sealed Tube, Do Not Place You Old Control In The Trash. Dispose Of Properly. Contact You Local Waste Management Authority For Instruction Regarding Recycling And The Proper Disposal Of A Old Control
Can Be Used To Control A Single Electric Baseboard Heater, Or Can Be Used To Control Two Or More Electric Heaters Provided The Combined Load Does Not Exceed 5280 W. No Minimum Load Required
Bimetal Temperature Sensor Offers Simple, Worry-Free Operation
Buying Guide Image
Editor's Notes

During our line voltage thermostat research, we found 9 line voltage thermostat products and shortlisted 7 quality products. We collected and analyzed 3,416 customer reviews through our big data system to write the line voltage thermostats list. We found that most customers choose line voltage thermostats with an average price of £147.20.

The line voltage thermostats are available for purchase. We have researched hundreds of brands and picked the top brands of line voltage thermostats, including Robertshaw, Cadet, Ranco, KING, Honeywell.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.