Are Humidity Sensing Bathroom Fans Worth It?

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Humidity sensing bathroom fans are totally worth it. Why is that you might ask?

Benefits of humidity sensing bathroom fans?

  • For convenience. They are hands-free units that run automatically
  • Keep your bathroom dry at all times, free from moisture accumulation
  • Ensuring that air in your bathroom is less conducive for mold and mildew growth.
  • This type of fan also does an excellent job of getting rid of odors in your bathroom.
  • No Foggy mirrors and windows
  • Preserve the integrity of your bathroom fixtures including taps, sinks and walls

The bathroom is no doubt a wet area. Depending on the bathroom(s) placement in the home, a lack of ventilation and lingering moist air in the bathroom can be a real course of woe over time to your health and may result in unavoidable costly repair works down the road.

One of the most important and basic things to ensure when installing a humidity sensing fan, is the duct work.

For this type of fan to provide you with the best results, one should ensure that the moist air is not only extracted from the bathroom, but also deposited outside.

A common mistake during the installation of this fan is having the ductwork deposit the humid extracted air into the attic. This becomes an issue because you may be simply transferring a problem in the bathroom area to your attic.

Moist air being deposited to the attic from your bathroom will contribute to the growth of mold in the attic which is problem you do not want to deal with if you can help it. To avoid this scenario, makes sure your Electrician works to ensure that the duct work allows the extracted humid air from your bathroom to be delivered outside.

Other than being a wet area with the potential for mold spores floating around in your bathroom air and causing allergies, it is also common for households to use harsh chemical for cleaning the bathroom area. Since the cleaning in the bathroom is done often, the likely hood of spores from these chemical to linger in the bathroom air is high.

Installing a humidity sensing fan ensures that your bathroom air is regularly extracted alongside the harmful spores as well as unpleasant odors. This translates to more pleasant fresh air in your bathroom and a very low probability of fowl air and harmful air contaminants lingering in the air.

I don’t know about you, but a fogged mirror after a steamy shower is not very cooperative when you need to see your reflection.

A better solution is installing a humidity sensing fan. Not only will your air in the bathroom be fresher, but the humidity sensing fan also prevents your mirror from being foggy and keeps it usable even after having a hot bath.

What to consider before purchasing a humidity sensing fan

Humidity sensing bathroom fans come in several versions with other convenient additional features like lighting and motion sensors. It’s important to consider which version will best work for you.

But what they all have in common is that they operate automatically.

There is often the problem of forgetting to switch an exhaust fan on and when you do remember to switch it on, you may all too often forget to switch it off. This means, that humid air does not get extracted after having a shower or the fan remains on longer than one would like and consumes more energy unnecessarily because you forgot to switch it off.

Well, these units are designed in such a way that when humidity levels go beyond a certain threshold, they instantly pick up on that and automatically switch and start working on eliminating the moisture.

Furthermore, other than the moist air caused by a hot shower, humidity fans can be set to automatically switch on when moisture levels rise as a result of weather as well.

Thus, very convenient solutions because there will be no effort on your part, little as it may be to even give it a thought.

Humidity sensing bathroom fans come in many designs to suit a broad range of décor preferences. They can be installed in the ceiling or on the wall. However, the ceiling option is far much easier to install.

The combination of fan and light is quite common.

You may also find some humidity sensing products that offer a line of recessed fan/lights that will look like standard recessed lights. Some humidity sensing fan will also integrate motion sensors.

Bathrooms have different sizes, and it is therefore important to select a fan with the appropriate size that corresponds to a bathroom’s extraction needs.

Bathroom exhaust fans are sized and rated by CFM. This is the fans ability to move air in cubic feet per minute.

You can determine the number of CFM needed for you bathroom using a simple formula. For square feet, calculate the Length x Width = Square Feet. If you are working with cubic feet, the formula Length x Width x Height = Cubic Feet will work just as well.

For quite effective operation choose a humidity sensing fan that has tolerable noise levels. Noise level in humidity fans is measured in sones and not decibels.

One sone roughly translates to the quiet hum of a refrigerator in a quiet kitchen. Two sones deliver twice as much sound, and so on. If you love white noise in your bathroom, 3-4 sones will work well for you. For those who want a quite bathroom, a noise rating of 1-2 sones will be the best option.

You may want to give a wide berth to humidity sensing fans rated five or more sones.

Final Thoughts

Mold, mildew and air contaminants should be a thing of the past in your bathroom. Get a humidity sensing fan that not only blends with the décor, but also has you enjoying crisp air in the bathroom. Just be sure that it is properly installed for maximized efficiency.

You will find an array of options in the market with the most popular brands being the makers at Panasonic, Broan-Nutone and Delta Electronics



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