Panasonic Bathroom Fan with Automatic Humidity Sensor

Best Bathroom Fan with Automatic Humidity Sensor – Set and Forget

A Bathroom Fan Review? Yes – it is Cool

Did you think a bathroom fan could be a cool piece of tech? I certainly did not, but this thing is awesome. It is 100% automatic – you never have to turn it on or off.

A bathroom fan is pretty clutch and you need to use it, I learned this first hand ruining wallpaper in my bathroom as a kid multiple times. I never turned it on which led to some rough parental conversations. A bathroom fan not only helps in eliminating unpleasant odors but also prevents the growth of mold and mildew due to excess humidity. Do you always forget to turn it on? I did until now! Game Changer: the Panasonic Whisper Choice Auto DC Ceiling Bathroom Exhaust Fan with Humidity Sense. In this blog post, we will share the features and benefits of this bathroom fan – essentially this unit has a humidity sensor so it turns on automatically. You just leave it on and the humidity sensor does its thing for the fan.

Panasonic Bathroom Fan with Automatic Humidity Sensor

TB Quick Hits (Summary):

  • The Whisper Choice Auto DC Humidity Sense is a game-changing solution for bathroom ventilation.
  • It automatically detects and regulates humidity levels and turns on when needed.
  • This automatic fan helps prevent the growth of mold and mildew by maintaining proper airflow in your bathroom.
  • Ideal for those who forget to use their fan (especially children).
  • With its Flex-Z Fast Bracket, the installation process is quick and easy.

Automatic Bathroom Fan With Humidity Sensor:

Who wants to constantly remember to turn on the bathroom fan when you can have an automatic one? The Whisper Choice Auto DC Pick-A-Flow fan is a set-it-and-forget-it solution that eliminates the need for any manual operation. Once you turn it on, the fan turns on automatically when the humidity levels rise. You can set your desired humidity level, (you want 60% or less) and the fan will turn on when humidity reaches the set point. No more worries about forgetting to turn the fan on before showering or stress about mold growth.

You literally leave it on. I installed this handy light switch guard to prevent my family from turning this off, that is the whole point of the humidity sensor.

Light Switch Lock - keeps light switch on

Unrelated these light switch locks are great. I use them on our Ring Floodlight cameras. You can grab them here on Amazon for $6 – LINK

Humidity Sensor Benefits:

Maintaining the proper humidity levels in your home is crucial for your health. The ideal range lies between 40-60%. Any levels above this range can cause mold growth, which can lead to respiratory ailments. The humidity sensor on this fan detects excess moisture levels and just turns on, ensuring that your bathroom will not promote mold growth. The fan turns on when the humidity levels reach 60% (or your desired set point) and runs until the air is dry again.

I also liked that this fan the humidity sensor is built in. With other units on the market, you have to change out the physical switch on the wall with one that has a humidity sensor.

How to set humidity on Panasonic Bathroom Fan

Whisper Quiet Operation:

A standout feature of the Whisper Choice Auto DC Pick-A-Flow fan is its remarkably quiet operation. Despite its powerful functionality, this fan operates at a mere 0.5 sones, which is incredibly silent for a bathroom fan capable of circulating 110 CFM. This means you get efficient ventilation in your bathroom without any disturbing noise. It allows us to watch our bathroom TV with ease. Yes, we have a bathroom TV, it’s glorious and necessary…change my mind.

Panasonic Whisper Quiet DC motor


The Whisper Choice Auto DC Pick-A-Flow fan boasts over 42 reviews on Home Depot, with an impressive 4.7-star rating. This is what convinced me to go in on it.

Reviews frequently praise the fan’s silent operation, which provides effective ventilation without sounding like you are standing on a runway with planes taking off. Others mentioned the simplicity of the installation process, highlighting the Flex-Z Fast bracket that considerably reduces setup time. It’s clear that people are happy with this fan, including me.

Panasonic Bathroom Fan Reviews

How to Install a Bathroom Fan:

Installing the Whisper Choice Auto DC Pick-A-Flow fan is a breeze, thanks to the Flex-Z Fast bracket. The bracket can fit any joist or ceiling thickness, making installation quick and easy. Removing the old fan can be challenging, especially if it is screwed or glued. But with the Flex-Z Fast bracket, you can install the new fan without any hassle.

Installing a bathroom fan can seem like a daunting task, but with the right tools and a little patience, it can be accomplished in a few short steps.

  1. Turn off the Circuit: Before you begin, ensure to turn off the circuit connected to the fan.
  2. Remove the Old Fan: Carefully remove the old fan, paying attention not to damage any nearby fixtures or wiring. There are normally two screws to remove.
  3. Prepare the Installation Area: Clean the area and make sure it’s free from dust and debris.
  4. Install the New Fan: Using the Flex-Z Fast bracket, fit the fan into the joist and screw it into both sides. The Z bracket extends so it’s easy. Ensure the fan is safely secured.
  5. Wire the Fan: Follow the wiring instructions provided in the installation guide of the fan, making sure each wire is securely fastened.
  6. Attach the Grille: Once the wiring is done, attach the grille to the fan.
  7. Turn on the Circuit: After ensuring everything is correctly installed, you can turn the circuit back on.
  8. Set The Humidity Set Point: We went with 60% and 2 minutes – the fan will run for 2 minutes after humidity drops below 60%.

Please remember, it’s important to follow safety precautions while handling electrical installations. If in doubt, it’s always best to hire a professional. We found this YouTube video very helpful.

Panasonic Bathroom Fan easy Z-bracket installation
Z-Bracket makes this install super easy
Panasonic Automatic Bathroom Fan with Humidity Sensor
You can choose airflow based on size of bathroom


At $185, it’s not the cheapest fan but also won’t break the bank compared to others. The Whisper Choice Auto DC Pick-A-Flow fan is worth the price for never having to hit a switch again. Offering automated humidity control, the fan eliminates the constant worry of manually turning on your bathroom fan. With this automated feature, you gain peace of mind and a moisture-free bathroom environment, making this fan a no-brainer addition to any home. Its value greatly outweighs the cost, especially because I know my kids never remember to turn on the bathroom fan.

Trent’s Buys Wrap Up

The Whisper Choice Auto DC Pick-A-Flow 80/110 CFM Ceiling Bathroom Exhaust Fan with Humidity Sense and Flex-Z Fast Bracket is the perfect solution for anyone who wants a hassle-free and automatic bathroom fan. Its automatic humidity sensing technology, whisper-quiet operation, and easy installation make it the best choice. Investing in this bathroom fan will ensure optimal air circulation, better health, and a mold-free environment. So, set it and forget it.

Scoop one up for yourself at Home Depot here: LINK

Best Smart Home Humidity Sensor

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