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Neutral Wire Required
Humidity Sensor Fan Switch
A sensor switch in a class of its own, equipped with both PIR (Passive Infrared) motion and humidity sensors. Perfect for bathrooms, laundry rooms, spas, or any other room with high humidity levels, the TDHOS5 will help make your space more comfortable and energy-efficient.
Humidity Sensor for Automatic Ventilation Control
The humidity sensor works by detecting moisture in the air to automatically turn the ventilation fan on or off based on the moisture level.
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Automatically Fan ON/OFF
Automatically turns on when humidity levels are high and off again when they have returned to normal
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Preventing the Development of Mildew And Mold
Turn it off again after 30 minutes or when humidity levels return to normal, whichever comes first.
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Humidity Detection
For Regions With High Moisture Content
Works by detecting the levels of moisture in the air and turning the fan on when humidity is high.
Fran
Reviewed in the United States on February 20, 2025
What a help with the humidity for the beach house!
Tony Hall
Reviewed in the United States on September 1, 2024
Works great will definitely purchase again
Andrew
Reviewed in the United States on August 17, 2024
It's too bad I waited to complete my renovation and didn't immediately hook this up myself on day one, so that I could remove it and return it within the 30 day window. There are only 3 humidity levels to chose from, 30 60 and 80. It's 60 here normally so I have to use 80 which is so high that it basically doesn't turn on unless you actively fan moist air into the sensor. I'd often find myself turning it on manually and then forgetting that it isn't working correctly, leaving it on all day. Worse than a manual switch in my experience. Replaced with a Levitron timer switch that has been 100% reliable.
Nice Pony
Reviewed in the United States on March 10, 2024
Installed this humidity sensing switch replacing a really old school fan timer in our laundry room that had an analog clock in it with metal tabs to set time intervals. Installation was simple and wired up exactly as the old timer. Tested it by blowing on it and it immediately turned the fan on when sensing humidity from my breath. The instructions that came with it for programming are totally incorrect and mention being able to set the time for how long it runs, which is not possible. After researching this I actually found the correct installation guide online which states the time is runs is always 20 minutes and is not adjustable. You can only adjust the humidity sensitivity to three preset settings and that's it.Programming: - The fan button will be used for programming - Pay close attention to the LED lights as it will flash to indicate successfulprogramming steps and each time the button is pressed while making selections. - After each step, there are only 20 seconds to make the next programmingselection. If a selection has not been made, time will expire and the LED light willflash 3 times and exit programming mode.There’s only one Programmable Function Function 1: Humidity level (Humidity Range 45% 65% 80%) - Setting 1: Low humidity sensitivity 45% (requires little humidity to trigger) - Setting 2 (Default): Medium humidity sensitivity 65% - Setting 3: High humidity sensitivity 80% (requires high humidity to trigger)To program the humidity sensor, you must first enter programming mode:STEP 1: Enter Programming Mode Press and hold the fan button for eight seconds until the LED indicator comes on.STEP 2: Choose the Setting Press the fan button the same number of times as the Setting Number (For example: Press the button 2 times to select Medium detection 65%). After the last button is pressed the sensor will flash back the current setting for that function 10 times at two-second intervals. If no selection has been made, the device will exit programming mode.STEP 3: Save the Settings Press and Hold the fan button for eight seconds. The LED light will flash 3 times. indicating that the settings are saved then the load will turn OFF.Example: Change to Setting 3 (High humidity)1. Press and hold the fan button for eight seconds until the LED indicator comes on2. Press the fan button three times. The LED indicator should now blink three times every two seconds3. Press and Hold the fan button for eight seconds. The LED light will flash 3 times indicating that the settings are saved then the load will turn OFF
Gholamreza Elmighiasi
Reviewed in Canada on May 6, 2023
Easy to install
Clone Number 3
Reviewed in the United States on March 5, 2023
I like this, it’s functional, easy to use and mostly brainless day to day operation. The only thing I don’t like?It turns off after 20 min… so as to not “overheat” the fan. Umm okay? It turns itself back on after five minutes, but it’s rather annoying during long periods of use in the bathroom.On off on off on off on off on off
Scott M. Weisel
Reviewed in the United States on December 9, 2023
The house I bought has a skylight shaft in the bathroom. The bathroom fan didn’t keep up so in the winter it would start “raining” from the skylight shaft when the steam hit the cold walls of the shaft when anyone took a long shower. I had two Panasonic whisper fans installed: One that replaced the original fan/light by the shower, and one in the shaft. We had a sensor switch installed too that would control both fans. The problem was that the sensor was located at the bathroom entrance with the light switch, so it never really worked correctly. I replaced the whisper fan in the shaft with a vent connected to a 4” inline exhaust fan located as high up the shaft as I could get it and purchased this switch to mount in the shaft to control it. The switch is doing what I expected which is a good thing, because accessing it isn’t easy. Install was easy. Instructions were clear. You do need a neutral wire for any humidity sensor, so make sure you pull one and hook it up.
Customer
Reviewed in Canada on July 28, 2021
I use this product for my acoustic guitar and it works great!
Sal Spears
Reviewed in Canada on January 23, 2021
I purchased this Humidity switch to turn a bathroom fan on when the humidity gets high but this one won't turn the fan on even when condensation is running down the windows and mirrors. I have tried each of the 3 sensitivity settings with no improvement. So now I just use it in manual mode so the fan will shut off in 20 minutes.
bob
Reviewed in Canada on April 27, 2021
Although the scary reviews. I decided to try my luck and ordered 2. came on time. very easy to assemble and configure and working fine. however sometimes yes turning on might be delayed but its OK. I don't expect 100% accuracy of few dollars sensor. the sensor light is very bright so its better to shut the bathroom door in case the switch is facing the door.Cheers !
J.W.
Reviewed in the United States on July 28, 2020
Before buying this switch I went through two Leviton IPHS5 switches (they do the same thing) both bought at Home Depot. I know electrical and yes, there were installed correctly. My Panasonic whisper fan (which starts slowly) simply didn’t work. The fan would begin to spin slowly every few seconds, then cut off.After failing with Leviton I switched to this product, hoping against hope it would work. I was not let down. This product worked perfectly the first time. Just slightly less important is the fact that this product is much easier to program than Leviton’s version.I strongly considered giving only four stars due to the wiring. This switch connects to Romex via stranded wire. There is no way to insert the Romex directly into the back of the switch. Perhaps this is just preference, but I have never liked threaded wire.That said...I couldn’t be happier. This product worked where Leviton let me down.
Greg
Reviewed in Canada on December 29, 2020
Working perfectly as expected. Comes on automatically when needed, turns off by itself when its done.Really like it.
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