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Honeywell Home RLV3120A1005 Digital Non-Programmable Thermostat for Electric Heat Only

4.1 4.1 out of 5 stars 2,033 ratings
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Amazon's Choice in Home Nonprogrammable Thermostats by Honeywell

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Purchase options and add-ons

Brand Honeywell
Model Name Digital
Product Dimensions 1.1"D x 3.2"W x 4.8"H
Controller Type Push Button
Special Feature TRIAC Switching

About this item

  • Digital Non-Programmable Thermostat for electric baseboard heaters and convectors (2 wires).
  • Ultimate temperature control – the most accurate type of thermostat on the market (accuracy of ± 0.27°F with baseboards and convectors).
  • TRIAC Switching Thermostat: 100% silent switching (no clicking noise) and unsurpassed temperature control eliminates temperature swings.
  • On-screen heating power indicator gives at-a-glance verification of power being used and push-button operation makes it easy to adjust.
  • Minimum load means thermostat can control smaller baseboards and slim, compact design makes it ideal for installation in small spaces.
  • 2-wire non-polarized connection means fast, hassle-free installation.
  • COMPATIBLE WITH: Line volt heating only (240V/120V) including electric baseboards and convectors.

Customer ratings by feature

Energy efficiency
4.8 4.8
Easy to install
4.6 4.6
Accuracy
4.3 4.3
Temperature Control
4.2 4.2

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From the manufacturer

Honeywell Home RLV3120 Digital Non-Programmable Line Volt Thermostat

Designed for small electric baseboard heaters

This thermostat was designed for small electric heat baseboards. The RLV3120A Digital Non-Programmable Line Volt Thermostat for electric heat features a compact design and minimum load that are ideal for controlling small baseboards with 200W minimum load. Additional features include precise temperature control and 100% silent switching.

RLV3120 Angled View
RLV3120 Dimensions

Actual Size

4.8“H x 3.2“W x 1.1"D (in.)

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here. [PDF ]

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Honeywell Home RLV3120A1005 Digital Non-Programmable Thermostat for Electric Heat Only


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Product Description

Product Description

This thermostat was designed for small electric heat baseboards. Our Digital Non-Programmable Line Volt Thermostat for Electric Heat features a compact design and minimum load that are ideal for controlling small baseboards with 200W minimum load. It also has precise temperature control and is 100% silent.

From the Manufacturer

Digital Non-Programmable Thermostat for Electric Baseboard Heating

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Honeywell Home RLV3120A1005 Digital Non-Programmable Thermostat for Electric Heat Only
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Price$31.98$34.95$78.99-7% $112.00
Typical:$120.76
-31% $24.17
List:$34.95
-26% $23.56
List:$31.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it Apr 3 - 8
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Wednesday, Apr 3
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to install
4.6
4.3
4.6
4.5
4.5
4.3
Accuracy
4.3
4.5
4.5
3.9
4.2
Temperature Control
4.2
4.4
4.6
4.4
4.1
Easy to read
3.5
4.6
4.4
Sold By
Amazon.com
Maintak
DirectSupplyClub
Mysa - Smart Thermostats
6ave
Amazon.com
control method
touch
application, touch
application
touch
power source
Electric
Electric
Corded Electric
Electric
Battery Powered
controller type
Push Button
Apple HomeKit, Google Assistant, Amazon Alexa, iOS, Android
Hand Control
Hand Control
material
Plastic
Other
Plastic
shape
Rectangular
Rectangular
Rectangular
Rectangular
Rectangular
mounting type
Baseboard
Baseboard
Wall Mount
has backlight

Important information

Wattage

2000 watts

Bulb Voltage

240 volts

Customer reviews

4.1 out of 5 stars
4.1 out of 5
2,033 global ratings

Customers say

Customers like the ease of installation, value, and appearance of the HVAC control thermostat. For example, they mention it's easy to wire in, simple to use, and great value for money. Customers also appreciate accuracy. That said, opinions are mixed on quality and performance.

AI-generated from the text of customer reviews

127 customers mention117 positive10 negative

Customers find the installation process of the HVAC control thermostat to be easy. They mention that it's simple to wire in, operate, and maintain. Some mention that there's no programming required.

"...Operation is stupid simple. The display always shows the ambient temperature. Clicking the up or down keys once shows the temperature setting...." Read more

"...Setup was a breeze...." Read more

"...The user interface is easy enough when you know how to use it, but could be more friendly to first time users...." Read more

"Very easy to install. I was replacing another Honeywell thermostat RLV430 where the buttons stopped working...." Read more

35 customers mention30 positive5 negative

Customers like the value of the thermostat. They say it's a great value for money, and is cost effective. Customers also say it performs fantastic for the price, and has seen significant savings in their heating bill. Overall, customers are satisfied with the value and quality of the product.

"Nice upgrade for the money. The temperature is maintained very very accurately...." Read more

"...thermostats we can set it on the actual temperature and keep it moderate and save money. We got on YouTube to see how to install. Very easy to set up." Read more

"...(and I got them at the absolute lowest price anywhere - I shopped)...." Read more

"...Unit performs fantastic for the price. I really love the variable heating rather than just on/off. Makes more a much comfier room...." Read more

29 customers mention24 positive5 negative

Customers like the appearance of the HVAC control thermostat. For example, they say it looks good, has a great display, and is easy to install. Some mention that the trhiac design is nice and silently switches the heater on. Overall, most are satisfied with the appearance and functionality of the product.

"Very nice slim, and clean design. Depending on the wiring that was installed in your home, it can be a tricky process to install...." Read more

"These are a great, dead-simple (but elegant) replacement for your old manual 'stats...." Read more

"...The look is clean and crisp and 21st Century. Very Happy." Read more

"...It does not work with motors. The triac design is nice because it silently switches the heater on. No more thermostat clicking." Read more

24 customers mention24 positive0 negative

Customers are satisfied with the accuracy of the hvac control thermostat. They mention that it works great, is accurate, and has a really accurate fuzzy logic chip. Some say that the set point seems pretty accurate in every room.

"...Stays accurate to setting• Does not click when turning on or offCons:•..." Read more

"...They work great and seem to be very accurate." Read more

"This thermostat is not for wall heaters!!!! These are highly accurate sensitive thermostats that actually "throttle" the electrical output to the..." Read more

"...Way better and so much more accurate than the old mechanical thermostat it replaces...." Read more

158 customers mention101 positive57 negative

Customers are mixed about the quality of the thermostat. Some mention that it gives them better control of the bedroom temperature, has 5 different power levels, and maintains the room temperature very well. However, others say that it stops showing the temperature and shuts itself off. The temperature can go wildly high from where it was set, and the thermostat is not smart enough to understand the delay. Two of them failed within a few days, and there is no backlight so you cannot see the temp display if the room is dark.

"...Anyway, the point is that THIS IS A PROPORTIONAL CONTROL thermostat. That means that it's not on/off...." Read more

"...These thermostats are great. I’m a 60 year old women and it took me 5 minutes to install...." Read more

"...When on full intensity, the thermostat can get a little warm to the touch (guess that’s why it has a heat sync), but not enough to worry about...." Read more

"...clicking sounds when heat turns on and off, and it does maintain the temperature very well... BUT IT DOES NOT READ THE TEMPERATURE ACCURATELY!!..." Read more

135 customers mention91 positive44 negative

Customers are mixed about the performance of the heating control thermostat. Some mention that it works well, while others say that it didn't work. The throttling works great, and the temperature is kept within around +/- 1. However, some customers report issues with the product's performance and compatibility with heaters with fans.

"...This throttling works great and the temperature is kept within around +/- 1 degree most of the time...." Read more

"...The small investment in these is well worth the results." Read more

"...The instructions aren’t the best but there are only 2 wires. So it doesn’t work when you turn on the electricity just turn it back off and switch..." Read more

"This unit generally works well...." Read more

17 customers mention0 positive17 negative

Customers are dissatisfied with the backlight of the HVAC control thermostat. They mention that the display is not back-lit and the LCD contrast is low. The display is difficult to see in the dark, and reading the LCD is an issue.

"...My main problem is that the display is not back-lit and the LCD contrast is low...." Read more

"...Also, the display is not backlit so you cannot see the temp display if the room is dark. You have to turn on the room light...." Read more

"...when looking though the product information I didn't realize it had NO backlight." Read more

"...temp does not light up -- my basement is rather dark, and reading the LCD is an issue...." Read more

17 customers mention3 positive14 negative

Customers are dissatisfied with the control of the HVAC control thermostat. They mention that it constantly turns on and off, and that it never shuts off. Some say that they are unable to turn it down or off, it keeps cycling on and on every 10 seconds, and it shuts down their heaters.

"...It stop showing the temperature and shuts itself off. It’s gone out already and now that it’s 32 degrees here I need another one." Read more

"...They seem to produce heat within the box and that causes them to shut off my heaters because it’s reading the room temperature as higher when it’s..." Read more

"...return date (my bad) and when I did, it turned the heat on but never shut it off. Wasted $ on inferior product...." Read more

"...a noise at the baseboard heater caused by the thermostat almost constantly turning off and then back on again...." Read more

Very simple, very easy, so far a great thermostat!
5 Stars
Very simple, very easy, so far a great thermostat!
The Honewell RLV3120A1005/H is an extremely simple thermostat for two wire baseboard heaters. You set the temperature, and it holds it there until you decide to come back and change it again.I’m replacing an old Swan manual thermostat from the 60’s. It was a simple On/Off thermostat which worked off an expanding piece of metal. Accuracy was not its strong point as my room went from feeling like Antarctica to Guam in less than a half hour if I tried to set it to a measly 70 degrees. The heater was either on full blast or turned off. This made my room feel very stuffy and overly warm. There’s probably a reason for that but I’m no heating expert.I would have liked to get a programmable model but I didn’t want to spend too much (I’m renting the house from the college after all) so I settled on the Honeywell. Looked to do all I needed it to anyway.The thermostat feels pretty substantial. Upon opening it up you’ll find a large heat sync and some beefy circuitry to handle the baseboard heater. It’s rated for 1000 watts at 120 volts and 2000 watts at 240 volts. That’s a roughly 7 to 9-foot heater. The exterior plastic feels solid too. The buttons are very clicky but don’t have a very satisfying travel.Installing was a piece of cake. It has black two wires coming out the back, roughly 4-5 inches long which you connect to the baseboard heater wires in your wall. Color and order don’t matter. The box includes wire nuts for securing your connection and two screws for attaching the device to the wall. After killing the breaker (always cut the power to your heater before installing these things) I wrapped the wires together, used the nuts to secure the connection, carefully replaced them into the wall box, and screwed the thermostat in. The screws that come with the thermostat are very long and didn’t fit my wall box so I used the ones that secured the previous thermostat. Once it was secured to my wall, I slipped the top plate over the thermostat and switched the power back on. Worked like a charm.Operation is stupid simple. The display always shows the ambient temperature. Clicking the up or down keys once shows the temperature setting. Clicking them again changes the setting to the desired temperature. Clicking both keys at once brings up a setting to change from Celsius to Fahrenheit. When the heater is on the thermostat will display 1-5 little flame icons. The thermostat will throttle the heater to keep energy use to a minimum and make sure your room doesn’t get turned into an oven for the sake of a single degree. The flame icons indicate how intense the heater is running with five being blazing hot and one being warm to the touch. This throttling works great and the temperature is kept within around +/- 1 degree most of the time. When on full intensity, the thermostat can get a little warm to the touch (guess that’s why it has a heat sync), but not enough to worry about.Pros and Cons!Pros:• Super easy to use• Setup is super easy, just two wires!• Display is easy to read and clear. No noticeable fade from different angles.• Runs heater at optimal intensity for smooth heating and lower power bills• Stays accurate to setting• Does not click when turning on or offCons:• Buttons are plastic and don’t feel all that great to press (nitpicking, they are fine)• Buttons on my unit feel slanted to the left. They are tilted away from you with a noticeable angle that you can feel when you press them. Weird design choice in my opinion so maybe it’s a defect? (Also nitpicking, they are fine)• There is pretty much no other functionality other than adjusting the set temperature (which is fine because that’s what it is)• The screws were very long and didn’t fit in my wall box so I had to use the screws from my old thermostat. Not a huge deal either but a little annoying.My heater is a simple 7 foot two wire electric baseboard heater with no forced air.Overall, this is a fantastic unit. If you are looking for a simple thermostat to run your baseboard heater then pick up the Honeywell RLV3120A1005/H
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Top reviews from the United States

Reviewed in the United States on November 10, 2016
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5.0 out of 5 stars Very simple, very easy, so far a great thermostat!
Reviewed in the United States on November 10, 2016
The Honewell RLV3120A1005/H is an extremely simple thermostat for two wire baseboard heaters. You set the temperature, and it holds it there until you decide to come back and change it again.

I’m replacing an old Swan manual thermostat from the 60’s. It was a simple On/Off thermostat which worked off an expanding piece of metal. Accuracy was not its strong point as my room went from feeling like Antarctica to Guam in less than a half hour if I tried to set it to a measly 70 degrees. The heater was either on full blast or turned off. This made my room feel very stuffy and overly warm. There’s probably a reason for that but I’m no heating expert.

I would have liked to get a programmable model but I didn’t want to spend too much (I’m renting the house from the college after all) so I settled on the Honeywell. Looked to do all I needed it to anyway.

The thermostat feels pretty substantial. Upon opening it up you’ll find a large heat sync and some beefy circuitry to handle the baseboard heater. It’s rated for 1000 watts at 120 volts and 2000 watts at 240 volts. That’s a roughly 7 to 9-foot heater. The exterior plastic feels solid too. The buttons are very clicky but don’t have a very satisfying travel.

Installing was a piece of cake. It has black two wires coming out the back, roughly 4-5 inches long which you connect to the baseboard heater wires in your wall. Color and order don’t matter. The box includes wire nuts for securing your connection and two screws for attaching the device to the wall. After killing the breaker (always cut the power to your heater before installing these things) I wrapped the wires together, used the nuts to secure the connection, carefully replaced them into the wall box, and screwed the thermostat in. The screws that come with the thermostat are very long and didn’t fit my wall box so I used the ones that secured the previous thermostat. Once it was secured to my wall, I slipped the top plate over the thermostat and switched the power back on. Worked like a charm.

Operation is stupid simple. The display always shows the ambient temperature. Clicking the up or down keys once shows the temperature setting. Clicking them again changes the setting to the desired temperature. Clicking both keys at once brings up a setting to change from Celsius to Fahrenheit. When the heater is on the thermostat will display 1-5 little flame icons. The thermostat will throttle the heater to keep energy use to a minimum and make sure your room doesn’t get turned into an oven for the sake of a single degree. The flame icons indicate how intense the heater is running with five being blazing hot and one being warm to the touch. This throttling works great and the temperature is kept within around +/- 1 degree most of the time. When on full intensity, the thermostat can get a little warm to the touch (guess that’s why it has a heat sync), but not enough to worry about.

Pros and Cons!
Pros:
• Super easy to use
• Setup is super easy, just two wires!
• Display is easy to read and clear. No noticeable fade from different angles.
• Runs heater at optimal intensity for smooth heating and lower power bills
• Stays accurate to setting
• Does not click when turning on or off
Cons:
• Buttons are plastic and don’t feel all that great to press (nitpicking, they are fine)
• Buttons on my unit feel slanted to the left. They are tilted away from you with a noticeable angle that you can feel when you press them. Weird design choice in my opinion so maybe it’s a defect? (Also nitpicking, they are fine)
• There is pretty much no other functionality other than adjusting the set temperature (which is fine because that’s what it is)
• The screws were very long and didn’t fit in my wall box so I had to use the screws from my old thermostat. Not a huge deal either but a little annoying.

My heater is a simple 7 foot two wire electric baseboard heater with no forced air.

Overall, this is a fantastic unit. If you are looking for a simple thermostat to run your baseboard heater then pick up the Honeywell RLV3120A1005/H
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Reviewed in the United States on February 19, 2013
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Top reviews from other countries

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zappo
5.0 out of 5 stars Works great
Reviewed in Canada on December 30, 2023
2 people found this helpful
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gerardo navarro
1.0 out of 5 stars Mal trabajo de termostato.
Reviewed in Mexico on February 18, 2021
Rick
5.0 out of 5 stars Simple and cost-effective
Reviewed in Canada on November 4, 2023
2 people found this helpful
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Brian
4.0 out of 5 stars Requires minimum resistance
Reviewed in Canada on March 6, 2024
Ryan Joseph
5.0 out of 5 stars Simple and functional
Reviewed in Canada on November 16, 2023
One person found this helpful
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