Learning how to set your humidistat is a crucial step to controlling the moisture inside your home.
If you are looking for a better way to manage humidity levels in your home, it’s time to learn which humidistat settings are right for you.
With the right settings, you’ll be able to keep your home less humid at all times of the year.
How to Set a Humidistat?
If you’re new to a humidistat, it’s important that you understand the different settings that are required to regulate your home’s humidity levels.
You may be surprised to learn that there’s no one setting that’s perfect for your home.
Instead, experts recommend that you change your humidistat setting based on several factors.
For starters, you’ll want to use a different setting if you’re not at home, and you’ll want to adjust your settings when the weather changes seasons.
Knowing how a humidistat works is a very first step to finding the ideal setting.
In essence, these devices use electrical signals to detect moisture levels in the atmosphere around them.
Depending on the setting, these machines will regulate the humidity in the air around you to keep your home comfortable and free of mold.
Understanding this, let’s take a deeper look at what humidistat settings you should use.
So it’s colder outside, meaning you can raise your humidistat levels, right?
While it may be tempting to view your humidistat like a normal thermostat, doing so can have severe consequences for your home.
Simply put, when the outside temperature drops, this colder outside temperature can interact with warmer, more humid temperatures on the inside of your house and perform structural damage to your walls and windows.
This damage results from condensation that takes place as the more humid air in your home are drawn to the colder temperatures outside.
In order to mitigate this damage, we recommend that you lower your humidistat during the winter months, particularly when it’s cold outside.
Of course, it’s important that you keep in mind that these are just general guidelines.
Knowing where to set your best humidifier in winter will depend largely on the weather of your geographic location.
The summer months are often the most humid.
That’s why it’s important you keep a clamp on inside humidity when it starts getting muggy outside.
As you might expect then, experts recommend pretty low humidity levels for your home during the summer months.
Specifically, humidity levels between 35-45% are perfect for when outside air starts getting swampy.
This will keep the humidity that dominates outdoors away from the inside of your home, preventing the growth of excess mold and giving you freedom from suffocating moisture.
Keep in mind that your specific humidity level will largely be determined by geography.
As such, you may find that a lower or higher humidistat level is needed. Remember to check your windows to make sure and always adjust accordingly.
What if you plan to be away from your home for an extended period of time?
In the case of extended absence, experts recommend different humidity levels.
Specifically, you have two goals when you set your humidistat before going on vacation: saving energy and keeping mold out of your house.
While it would be nice to keep your humidistat on your normal settings, this can lead to excess energy use and a spiked electricity bill if you are on vacation.
For this reason, it’s crucial that you pay attention to your humidistat level before leaving your home.
But what level is appropriate for your humidistat?
According to data, mold begins to grow at around 68% humidity. Because many humidistats are off by a degree of up to ten, you should play on the safe side and set your device to 58% relative humidity.
This will save you money while preventing the growth of mold in your home.
In conjunction, we recommend that you match your thermostat setting to complement your humidistat levels.
If you know you are going to be away from home for an extended period of time, consider leaving your thermostat between seventy-seven and eighty degrees Fahrenheit.
When at Home
At home? Then you don’t have much to worry about.
All you need to do is adjust your humidistat to whatever humidity level is comfortable for you. This means that you turn the machine on and put it on your desired level of relative humidity.
You will be able to tell by the moisture in the air whether or not the humidity in your house has reached an acceptable level.
Simply play with the nozzle until you reach a level that feels right for you.
In general, humidity levels between 30-55% are considered normal, with those between 35-45% being ideal.
We recommend you try these levels out first, but feel free to adjust your humidistat if you still aren’t comfortable.
Keep in mind that your windows will begin to collect water if the inside of your house remains humid.
For this reason, always check your windows if you feel that the air around you is too humid and adjust accordingly.
Humidistat Setting Chart
Depending on the outside temperature you can set your humidistat on the most comfortable levels.
As a general rule, the lower the outdoor temperature, the lower should be the recommended humidity setting.
You can set your humidistat at one percent below the level where the moisture starts to condense on a single pane window.
The below chart can help you further in deciding the setting you can use for your humidistat irrespective of the season or environmental conditions.
Ideal Humidistat Setting for Attic Fan
Installing an attic fan with a humidistat can be effective in controlling the heat and humidity, particularly during the hot summer days.
However, maintaining ideal attic temperatures and humidity settings can be a challenging task for most of us.
In general, the temperature at your attic should be close to the outdoor temperature (not more than 10-20 degrees hotter than outside).
If it is, it can easily strain your air conditioning and energy bills
And to avoid this situation you need to consult a professional to make your attic well ventilated by installing an attic fan.
Controlling the humidity levels of your attic is also important as it can easily make or break the performance of your HVAC systems.
Normally the humidistat setting should range between 15 to 50 percent. However, it should also depend on the season, the temperature outdoors as well as indoors.
Care that heavy condensation can lead to mold buildup and various other structural problems in your attic.
You should, therefore, make sure that the humidity levels do not rise above the recommended levels.
If you find the levels rising than normal (like in warm weather) you may need to consider installing a good dehumidifier.
The Bottom Line
So what does all this mean for you?
For starters, it means that there’s no one setting that will satisfy all your humidistat needs.
As such, it is your responsibility to adjust your humidistat with changes in the weather and occupancy status of your home.
In general, you’ll want to keep your humidistat levels between 35-45%, with variations when necessary.
Keeping your home’s humidity levels low not only allows you and your family to stay comfortable, but it also prevents the growth and spread of mold throughout your house.
For these reasons, we recommend that you follow these guidelines to keep the ideal humidity level in your home at all times.
In doing so, you can keep your home in tip-top shape and make sure that your home never feels muggy—no matter how bad it feels outside.
Meen Smith is a nurse by profession who loves writing online, spending time with her family and caring for the elderly. She has already worked as an associate editor on various moms, babies, home appliances, kitchen, and healthy living blogs. In her spare time, she also enjoys drawing, reading/writing kindle eBooks and improving her skills a bit.