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Honeywell Home RLV4305A1000 5-2 Day Programmable Thermostat for Electric Baseboard Heaters

4.3 4.3 out of 5 stars 1,176 ratings

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Brand Honeywell
Model Name 5-2 Day Programmable Thermostat for Electric Baseboard Heaters
Product Dimensions 1.31"D x 4.75"W x 4.88"H
Controller Type Push Button
Special Feature Vacation Mode, Temperature Display, Clock Display, Programmable

About this item

  • Nullify
  • Imported
  • Digital 5-2 Day Programmable Thermostat for electric baseboards, convectors and fan-forced heaters.
  • The most accurate type of thermostat on the market (accuracy of ± 0.27 degreeF with baseboards and convectors).
  • TRIAC switching allows for 100 percent silent operation and unsurpassed temperature control that helps eliminate temperature swings.
  • 5-2 Day Programming allows for separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep.
  • 2-wire non-polarized connection means fast, hassle-free installation.

Customer ratings by feature

Easy to use
4.6 4.6
Easy to install
4.5 4.5
Temperature Control
4.3 4.3
Accuracy
3.8 3.8

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From the manufacturer

Honeywell Home RLV4305A 5-2 Day Programmable Line Volt Thermostat
Advantages of TRIAC switching

5-2 Day Programmable Electric Heat Thermostat

  • Outstanding accuracy and a backlit display
  • 100% silent operation -- ideal even for bedrooms
  • Unsurpassed temperature control eliminates temperature swings

RLV4305A Line Volt Thermostat on wall about table with plant and books
RLV4305A Dimensions

Actual Size

4.75H x 4.875W x 1.3D (in.)

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
User Manual Manual [PDF ]

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Honeywell Home RLV4305A1000 5-2 Day Programmable Thermostat for Electric Baseboard Heaters


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Product Description

The RLV4305A 5-2 Day Programmable Thermostat allows you to designate your preferred heating and cooling selections for weekdays and weekends. It is compatible with electric baseboards, convectors, radiant ceilings (2-wire) and fan-forced heaters and features a high capacity of 3,500 watts at 240 volts. Additional benefits include precise temperature control and 100% silent TRIAC switching.

Compare with similar items

This Item
Honeywell Home RLV4305A1000 5-2 Day Programmable Thermostat for Electric Baseboard Heaters
Honeywell Home RLV4305A1000 5-2 Day Programmable Thermostat for Electric Baseboard Heaters
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Price-27% $38.80
List:$52.99
-9% $99.00
List:$109.00
$29.30-17% $99.99
List:$119.99
-7% $112.00
Typical:$120.76
-31% $24.22
List:$34.95
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Wednesday, Apr 3
Customer Ratings
Easy to install
4.5
4.0
4.4
4.5
4.5
Easy to use
4.6
4.4
4.3
Temperature Control
4.3
3.3
4.4
Sold By
Amazon.com
Mysa - Smart Thermostats
Metal Magery
Amazon.com
Mysa - Smart Thermostats
6ave
control method
application, touch, voice
remote
voice, application, remote
application, touch
application
connectivity protocol
Wi-Fi
Wi-Fi
Wi-Fi
power source
Electric
Electric
Corded Electric
Corded Electric
Electric
controller type
Push Button
Amazon Alexa, Android, Google Assistant, Apple HomeKit, iOS
Amazon Alexa, Apple HomeKit, Google Assistant, SmartThings
Apple HomeKit, Google Assistant, Amazon Alexa, iOS, Android
Hand Control
material
Plastic
Bimetal
Acrylonitrile Butadiene Styrene (ABS)
Plastic
Other
shape
Rectangular
Rectangular
Rectangular
Rectangular
mounting type
Baseboard
Wall Mount
Baseboard
has backlight

Important information

Wattage

3500 watts

Bulb Voltage

240 volts

Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,176 global ratings

Customers say

Customers like the ease of installation, performance, quality and value of the HVAC control thermostat. For example, they mention it works great, keeps a consistent temperature and saves money by using less energy. They're also happy with settings, and light. That said, opinions are mixed on sturdiness, and appearance.

AI-generated from the text of customer reviews

173 customers mention153 positive20 negative

Customers like the ease of installation of the HVAC control thermostat. They say it's easy to program, simple to install, and override the program. They also mention that it'll wire in easily and is very convenient.

"...This thermostat is completely quiet, fairly easy to enter settings, (read the instruction sheet until you understand) and controls room temperature..." Read more

"...Programming is easy."5-2" means you set separate Mon-Fri and Sat-Sun schedules, but nothing more sophisticated...." Read more

"...They are relatively simple to install to replace old bimetallic thermostats with a simple two wire connection...." Read more

"...It seems very sturdy. It's easy to install, and easy to program. I don't love the doubled up-and-down button, but it's fine...." Read more

162 customers mention121 positive41 negative

Customers like the performance of the thermostat. They say it works great, is easy to program, and has an excellent current regulator. Some say it's well-engineered and works well at maintaining a temperature.

"...This thermostat works very well...." Read more

"...Programming is easy, works great, temperature is stable and accurate. Soooo much better. 10/10" Read more

"...It is easy to program and seems to work very well at maintaining a temperature without the multiple degrees oscillation of the thermostat it replaced..." Read more

"...finally swapped it with one of the first two units - and it remained dead as a rock. This one didn't even produce heat like the third one did...." Read more

116 customers mention86 positive30 negative

Customers like the quality of the thermostat. They say it keeps a much more consistent temperature than the previous thermostat, has more precise control of the temperature, and is much warmer in the house now. The thermostat unit itself doesn't get hot, and it's easy to modify the temperature without having to redo the entire program.

"...Programming is easy, works great, temperature is stable and accurate. Soooo much better. 10/10" Read more

"...The programming is easy and the unit keeps a much more consistent temperature than the previous thermostat. A very worthwhile purchase" Read more

"...needed 5/2 schedule SCR controls Tight temperature control demonstrated so far..." Read more

"...Thermostat is not polarized. Mount the thermostat to the wall box...." Read more

38 customers mention33 positive5 negative

Customers like the value of the thermostat. They mention that it's easy to install, saves money, and uses less energy.

"...I'm very happy with the quality and the price is better than every other programmable line voltage thermostat that I've seen." Read more

"...The end result is very good heat control, and I'm hoping some savings in power usage...." Read more

"...The price is very reasonable." Read more

"...The programmable aspect is easy to use and should hopefully save some money by using less energy when nighttime or away during the day...." Read more

18 customers mention15 positive3 negative

Customers like the settings of the thermostat. They say it allows them to change the settings within reasonable limits. They appreciate the programmable features, such as two daily settings so that the heat can be adjusted while they are away. They also say the thermostat can be programmed to handle rapid changes of forced-air heaters. Customers also mention that it's easy to override the settings and that it automatically adjusts the clock time when time switches from standard to automatic.

"...These do allow you to change those settings, and within reasonable limits it could provide some savings, but it would be a while to actually recoup..." Read more

"...It has a programmable schedule based on weekdays/weekends and wake/leave/return/sleep periods...." Read more

"...These programmable thermostats are great. They work with line voltage (120 or 240), and are intended for electric baseboard heaters like ours...." Read more

"...You can program four different time settings for weekdays and then another four time settings for the weekend...." Read more

14 customers mention11 positive3 negative

Customers like the light on the thermostat. They mention that it has a display that lights up. Some say that the programming is easy and the display is big and illuminated. Overall, most are satisfied with the light of the product.

"Description:Yes, it is back-lit.No separate battery needed for this feature either...." Read more

"...This one has a display that lights up. I don't know if the display is actually bigger, but it's much easier to read...." Read more

"...of these without the backlit display and I find the backlit display an extremely useful feature...." Read more

"...Not able to turn on back light without the thermostat shutting off the motor." Read more

35 customers mention15 positive20 negative

Customers have mixed opinions about the sturdiness of the HVAC control thermostat. Some mention it's sturdy, reliable, and well-engineered, while others say that it'll break easily.

"...made no offer to rectify the situation and consider a overheating, faulty unit leaving soot marks to be "Normal operating conditions"...." Read more

"...the holes on the right side of the box, but even like this, it is plenty firm and secure and it completely covers the box opening...." Read more

"...Cons: Died after four months. Terrible experience with warranty replacement...." Read more

"...It seems very sturdy. It's easy to install, and easy to program. I don't love the doubled up-and-down button, but it's fine...." Read more

31 customers mention20 positive11 negative

Customers are mixed about the appearance of the thermostat. Some mention it looks very good and really modernized the room, while others say that it doesn't have the fancy screen or sleek modern design of other thermostats. When first installed, the display remained blank and the picture is worthless.

"Looks good, works good. Only problem is the screws supplied are too short." Read more

"...installed (no complaints there), but when powered would not display anything on the screen...." Read more

"...Elegant. Easy to install if you have any electrical skill. Highly recommended." Read more

"Replaced old manual dial thermostats. This wired in easily and look nice . Work great" Read more

works great, silent, accurate
5 Stars
works great, silent, accurate
This review is for the "new" version, RLV4305A.I got this to control a 1200W Electric Radiant Cove Heater (QMark RCC12012C) that I installed to provide supplementary heat in a bedroom. For this project, a programmable thermostat was a requirement. If I let this radiant heater run continuously, it could cost me over $100/month in electricity, just to improve the heat in one room which I am mostly not in during the day.It really is silent. The box says it uses a TRIAC, which I learned is like a dimmer. So instead of clicking off when the room gets noticeably warm and clicking back on when it gets noticeably cold, this t-stat constantly raises and lowers the dimming level to tightly track the setpoint. There is some indication of this in the display, showing 0-5 heat wave squiggles, depending on how much power it allows through.The LCD display lights up when you press a button and stays lit for 10 seconds or so. Normally, it is completely dark. Without the backlight, it is still readable if there is enough ambient light, like during the day or with room lighting on. In normal use, it displays the current time and temp, mode and period, plus the squiggles mentioned above. Touching the temp up/down button once will show the set temp.Install is straight-forward if you are familiar with household electric service.This device is installed in series with the electric heater (like a wall switch) and modulates the line-voltage AC electricity that actually passes through both the thermostat and the heater(s). There are no low-voltage control lines here like a regular household thermostat has.I don't understand why there are 4 mounting holes in the unit. I used the 2 left holes with the 2 included screws to mount it to the left half of a 2-gang electrical box. I don't get why the other 2 right holes don't line up with the holes on the right side of the box, but even like this, it is plenty firm and secure and it completely covers the box opening.Programming is easy."5-2" means you set separate Mon-Fri and Sat-Sun schedules, but nothing more sophisticated. By default, the M-F weekday schedule has 4 time periods (wake, leave, return, sleep) to program, but the Sat-Sun schedule only has 2 (wake, sleep). However, you can set times and temps for the 2 other Sat-Sun periods (leave, return) too. If you have a weird schedule you want to program, this might not be sufficient, but for most cases this should be good enough and easier to program.There are enough buttons with meaningful labels to make the work of programming it fairly easy. Rotate though the 8 periods with the "pgm" button, and change the time with the hr/min buttons and the temp with the up/down buttons. Finish/save by pressing the "⏎" button. Not rocket science.There is no "OFF" button or mode. "Manual" mode is a constant set temp like an old thermostat. The "Away" mode allows for a lower constant set temp (default 59f), presumably for extended time away from home. "Standby" mode is almost OFF, but it will turn on if the temp drops below 41f. In all the modes, it draws a tiny bit of power for itself.I have not tested this unit during an extended power outage, but it claims to remember the date/time for 5 hours or so without power. There is no battery compartment, so it must have something like a rechargeable battery or a big capacitor inside it.I'm very happy with the quality and the price is better than every other programmable line voltage thermostat that I've seen.
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Top reviews from the United States

Reviewed in the United States on November 24, 2014
10 people found this helpful
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Reviewed in the United States on February 28, 2021
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5.0 out of 5 stars works great, silent, accurate
Reviewed in the United States on February 28, 2021
This review is for the "new" version, RLV4305A.
I got this to control a 1200W Electric Radiant Cove Heater (QMark RCC12012C) that I installed to provide supplementary heat in a bedroom. For this project, a programmable thermostat was a requirement. If I let this radiant heater run continuously, it could cost me over $100/month in electricity, just to improve the heat in one room which I am mostly not in during the day.

It really is silent. The box says it uses a TRIAC, which I learned is like a dimmer. So instead of clicking off when the room gets noticeably warm and clicking back on when it gets noticeably cold, this t-stat constantly raises and lowers the dimming level to tightly track the setpoint. There is some indication of this in the display, showing 0-5 heat wave squiggles, depending on how much power it allows through.

The LCD display lights up when you press a button and stays lit for 10 seconds or so. Normally, it is completely dark. Without the backlight, it is still readable if there is enough ambient light, like during the day or with room lighting on. In normal use, it displays the current time and temp, mode and period, plus the squiggles mentioned above. Touching the temp up/down button once will show the set temp.

Install is straight-forward if you are familiar with household electric service.
This device is installed in series with the electric heater (like a wall switch) and modulates the line-voltage AC electricity that actually passes through both the thermostat and the heater(s). There are no low-voltage control lines here like a regular household thermostat has.
I don't understand why there are 4 mounting holes in the unit. I used the 2 left holes with the 2 included screws to mount it to the left half of a 2-gang electrical box. I don't get why the other 2 right holes don't line up with the holes on the right side of the box, but even like this, it is plenty firm and secure and it completely covers the box opening.

Programming is easy.
"5-2" means you set separate Mon-Fri and Sat-Sun schedules, but nothing more sophisticated. By default, the M-F weekday schedule has 4 time periods (wake, leave, return, sleep) to program, but the Sat-Sun schedule only has 2 (wake, sleep). However, you can set times and temps for the 2 other Sat-Sun periods (leave, return) too. If you have a weird schedule you want to program, this might not be sufficient, but for most cases this should be good enough and easier to program.
There are enough buttons with meaningful labels to make the work of programming it fairly easy. Rotate though the 8 periods with the "pgm" button, and change the time with the hr/min buttons and the temp with the up/down buttons. Finish/save by pressing the "⏎" button. Not rocket science.

There is no "OFF" button or mode. "Manual" mode is a constant set temp like an old thermostat. The "Away" mode allows for a lower constant set temp (default 59f), presumably for extended time away from home. "Standby" mode is almost OFF, but it will turn on if the temp drops below 41f. In all the modes, it draws a tiny bit of power for itself.

I have not tested this unit during an extended power outage, but it claims to remember the date/time for 5 hours or so without power. There is no battery compartment, so it must have something like a rechargeable battery or a big capacitor inside it.

I'm very happy with the quality and the price is better than every other programmable line voltage thermostat that I've seen.
Images in this review
Customer image Customer image
Customer imageCustomer image
15 people found this helpful
Report

Top reviews from other countries

Randy
5.0 out of 5 stars Works great, easy installation.
Reviewed in Canada on November 25, 2023
Henry zou
5.0 out of 5 stars Very smart investment for your home
Reviewed in Canada on February 3, 2023
Stryker
4.0 out of 5 stars Mostly an excellent product
Reviewed in Canada on July 29, 2023
Fabiano Mello / Paula Fortuna
5.0 out of 5 stars Works pretty well
Reviewed in Canada on December 30, 2023
Speedy Reidy
5.0 out of 5 stars Digital Thermostat
Reviewed in Canada on November 18, 2023