
What is the purpose of a humidistat?
What Are the Benefits?
- It prevents under- and over humidification
- Can be paired with both cooling and heating system
- Automatically adjusts running time so you don’t have to do it
- Reduces electricity costs
What setting should a humidistat be set to?
What Should My Humidifier Be Set At Based On The Weather?
- When the outside temperature is 20-40 degrees, indoor humidity should be no more than 40%.
- When the outside temperature is 10-20 degrees, indoor humidity should be no more than 30%.
- When the outside temperature is 0-10 degrees, indoor humidity should be 30% or lower.
How does a humidistat sense humidity?
How does a humidistat sense humidity? A humidistat features a sensing element composed of a flat plate that’s fitted with two metal conductors. Based on the readings, the humidistat turns on the humidifier if the electrical resistance shows the air is too dry and turns off the humidifier after the desired humidity level has been achieved.
Do You need A humidistat with an AC?
You can simultaneously use a humidifier and an air conditioner (if need be). In most areas, however, you won’t need a humidifier in the summer—it’s more commonly used in the winter when the air is naturally drier.

When should I turn on my humidistat?
When the outdoor temperature is near 0 degrees, use a humidistat setting of 25 percent. For outdoor temperatures around 10 degrees, set the humidistat to 30 percent. At an outdoor temperature around 20 degrees, a 35 percent humidistat setting is appropriate.
What is the humidistat supposed to be set at?
So to be safe, we recommend setting your humidistat's relative humidity (RH) to 58 percent and setting your thermostat temperature between 77 and 80 degrees Fahrenheit. These settings will not maintain your selected temperature indoors but will maintain 58 percent humidity.
When should I turn off my humidistat?
A central humidifier can be a very worthwhile investment, helping to improve the quality of the air in your home during the winter season. Once the weather begins to warm up, though, it is essential to turn off the humidifier in your home until the heating season starts up again in the fall.
Should humidistat be on or off?
This is a common question we get during a home inspection, "What is that dial next to the Thermostat?" It is a Humidistat. To simplify it is a sensor designed to control humidity in a home. In our opinion it should always be left in the on position or bypassed.
How do you use a humidistat in the winter?
If the temperature is near 0 F, set the humidistat to 25 percent. If the outdoor temperature is near 10 F, set the humidistat to 30 percent. If the outdoor temperature is near 20 F, set the humidistat to 35 percent. If the outdoor temperature is near 30 F, set the humidistat to 40 percent.
How do I know if my humidistat is working?
Turn the humidistat to a very low setting or to “off.” The multimeter should register no voltage. Then, turn the humidistat to a very high setting, such as 80 percent relative humidity, or until you hear a “click” sound. The multimeter should register about 24 volts if the humidistat is functioning correctly.
What is a good humidity for a house in winter?
between 30-40 percentWhat is a Good Level of Indoor Humidity in Winter? When asking about the best humidity levels for the air inside your home this winter, you'll want a relative humidity level between 30-40 percent.
What should my humidifier be set at in the winter?
Keeping your home's humidity around 30-50% will ensure that you experience fewer health issues related to dry air as well as ensure that your furniture is not damaged from being exposed to overly dry air. To find out more about getting a humidifier installed in your home, give us a call today.
Should I turn humidistat off in summer?
Many people with central humidifiers go into the cooling season forgetting to shut down the humidifier for the summer. A central air conditioner will not cool or dehumidify properly if the humidifier is running. So please remember to turn your humidifier off at the end of each heating season.
What should my humidistat be set at in the winter in Florida?
According to the EPA (Environmental Protection Agency), it is recommended that Florida residents keep the indoor relative humidity below 60% relative humidity. Ideally, that percentage should be between 30% to 50%.
Is a humidistat a dehumidifier?
So in simple terms… A humidistat is doing the same job as the thermostat only it measures relative humidity and turns the dehumidifier on or off when the relative humidity goes high or low.
How do I adjust the humidity in my house?
0:542:40How to control the Humidity in Your Home - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo turning your furnace band on from auto to on allows constant circulation of the air around yourMoreSo turning your furnace band on from auto to on allows constant circulation of the air around your house and up against the windows.
What should my humidistat be set at in the winter in Florida?
According to the EPA (Environmental Protection Agency), it is recommended that Florida residents keep the indoor relative humidity below 60% relative humidity. Ideally, that percentage should be between 30% to 50%.
What should my humidistat be set at in the summer in Florida?
Ideally, Florida homes should maintain indoor humidity levels between 45% and 55%. Why? Well, going above or below that range can lead to problems like: Mold and mildew growth.
How do I adjust the humidity in my house?
0:542:40How to control the Humidity in Your Home - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo turning your furnace band on from auto to on allows constant circulation of the air around yourMoreSo turning your furnace band on from auto to on allows constant circulation of the air around your house and up against the windows.
What should the humidity level be in your home in Florida?
In Florida, it's not uncommon for the humidity in your home to be above 55%, but anything above 60% needs to be addressed. Normal humidity for your home should be around 40-60%.
What is a Humidistat and What Does it Do?
A humidistat is a device that measures the amount of moisture in the air. The device itself consists of a sensing element that is composed of a flat plate fitted with alternate metal conductors. Attached the sensing element is a relay amplifier, which reads signals sent by the sensing elements to give accurate humidity levels.
Why is it important to have a humidistat?
Controlling the amount of humidity in your home is important for several reasons. One reason is economical . Keeping the humidity at an optimal level will allow you to run your HVAC less. Another is comfort.
What is a humidifier in a house?
In a whole-house system, a humidifier/dehumidifier is connected with your central HVAC system. In such cases, the humidistat will also adjust the valves, dampers or other switches of the HVAC system to regulate airflow and control the humidity throughout your home.
Why do you need a humidifier in the winter?
Even in humid regions of the country, a humidifier in the winter months makes the indoor air more comfortable. You will feel warmer without having to keep turning up the heat. When the air has achieved the right humidity level, the humidistat will signal the humidifier to turn off the vapor.
What is the best humidity level for a humidistat?
Inside your home, an ideal setting on your humidistat is no higher than 58%.
What happens when humidity is too low?
Problems When Indoor Humidity Is Too Low. Too little humidity is equally destructive. When the humidity is too low, the indoor air becomes uncomfortably dry. This is more common in the wintertime when the outside air is drier than in summer. In the winter, you run your furnace to keep your home comfortably warm.
Do portable humidifiers come with a humidistat?
When you purchase a portable humidifier or a dehumidifier, it frequently comes with a humidistat. The attached humidistat will ensure that you do not over-humidify or -dehumidify the room. It will effectively monitor and control the humidity in the air near the machine, but it will not measure the humidity in other parts of the home.
Why do you need a humidistat?
Along with a good air humidifier, installing a Humidistat device to monitor and control the relative humidity levels , is also very important. If you want to control the moisture levels inside your home in an automated way, installing a humidistat is an ultimate solution. You can install these devices along with your humidifier for controlling ...
What is digital humidistat?
These help to get a real-time update about the level of humidity in a specific location or room. Depending on the readings generated by a digital humidistat, the humidifier is then put to use.
How to Install a Humidistat Properly?
From above its clear that humidistats serve as powerful tools in helping control the humidity of one’s home.
What is the Best Location for a Humidistat?
Those who find their devices do little to control their in-home humidity often choose an incorrect location.
Why is my humidity not budging?
When this happens, it’s usually the result of one or two issues: either your humidistat or your humidifier is broken. If humidity levels aren’t changing at all , it’s likely a problem with your humidifier.
How to increase humidity in a home?
If your home lacks proper humidity levels, it is highly recommended to install a good room humidifier to increase the level of humidity. Along with a good air humidifier, installing a Humidistat device to monitor and control ...
What is a humistat?
Humidistat is a small gadget that can be incorporated and fitted along with a humidifier without many efforts.
What Is A Humidistat?
A humidistat can be defined in simple words. It is what you use to measure as well as control humidity. It’s a part of the central air conditioning or heating system.
What is humidistat element?
A humidistat’s moisture-sensing element is part of the most important components. Alternate metal conductors are fitted on a flat plate to create this element.
Where to Install A Humidistat?
Humidistats are frequently used in humidity-related equipment because they can read the precise quantity of humidity in the air.
What temperature should my humidistat be?
Answer: Set the relative humidity (RH) on your humidistat to 58 percent to be safe. Also, adjust your thermostat to 77°F to 80°F. The humidity level will be kept at 58 percent using these parameters.
What happens when the humidifier is too dry?
When the air is too dry, the humidistat activates the humidifier based on these measures. When the air isn’t dry, it shuts off the humidifier. However, sometimes the humidifier drain line can get clogged.
What is moisture sensitive sensing element?
A moisture-sensitive sensing element is a component found in a humidistat in the home. That’s also paired with a relay amplifier.
How much does a humidistat cost?
Answer: A humidistat will set you back anywhere between $30 and $100. The manual version is more affordable. The automatic version, on the other hand, is on the more expensive end of the scale. So, based on your budget, you should purchase a humidistat.
How Does a Humidistat Work?
In a humidity control system, which caters to the whole house, the central HVAC system is connected to the humidifier/de-humidifier. The airflow is regulated and the humidity is controlled throughout the place as the humidistat adjusts the dampers, valves, or other switches. The humidistat can also be wired to the thermostat to run with the AC and control the humidity in the house independently of the temperature. When the temperature is high and the humidity level is low, the humidistat will not turn on the AC, but will do so when the humidity level spikes to higher levels. This helps with the optimal usage of the HVAC system and will also help with cost-savings.
Why is a humidistat important?
A humidistat helps regulate humidity levels to prevent corrosion, minimize health risks, and more. In this article, we’ll explain what it is and how a humidistat works.
What is a humidistat?
With a wide range of benefits, a humidistat is a great system that improves the quality of living by safeguarding your home from humidity related issues. By regulating the humidity, a humidistat can alleviate and prevent mold, mildew, corrosion, and more. It is also used at a commercial and industrial level, including professional offices, healthcare facilities, food production and storage, manufacturing, and much more.
What are the risks of high humidity?
Risks of high indoor humidity include the growth of viruses, fungi, bacteria, mildew, and dust mite infections. Other issues like rotting of window trims due to collected condensation on windows, peeling of paint and wallpaper, damaging furniture, etc., are also possible due to excessive humidity levels. Excessive humidity is also a big concern for recreational vehicles, which is why dry kits for storing boats, RVs, and automobiles are recommended since humidistats are not an option.
Do you have to constantly adjust the thermostat?
No need to constantly adjust the thermostat, as the humidistat does that for you
What is a humidistat?
A humidistat, also known as a humidistat control or hygrostat, works with the heating and cooling system of your home to control the amount of moisture or humidity in the air.
Is a humidistat necessary?
A humidistat may be necessary if you find that your monthly heating and cooling bills are higher than is ideal. A humidistat will only activate your HVAC and heating systems when it’s absolutely necessary which can help you save money in the long-run.
How Does A Humidistat Work?
Humidistat is an electrical device in which two metal conductors serve as a sensing element. Humidity levels are measured by the amount of electrical resistance between these two conductors. A relay amplifier is attached to the sensing element that reads this resistance and turns the humidifier/dehumidifier to add or remove moisture level as needed to control the humidity level inside your home.
How accurate are humidistats?
This means that it will measure and adjust the humidity levels in the surrounding space, but the humidity levels may be very different on the other end of a large room. Even on HVAC systems, humidistats are pretty inaccurate.
Can humidity affect your health?
Dehydration and headaches can happen when the air is so dry that your skin loses moisture or so humid that you sweat copiously. Thankfully, with a humidistat, you can easily check the moisture level of your home or indoor space and make adjustments.
Why do you need a humidistat?
It is not always easy to regulate the humidity level in your home, and that’s why you need a humidistat. It is a measurement device for monitoring and maintaining the humidity level in the air. Humidistats are quite common and are typically found on portable humidifiers or combines air cleaner/humidifier units to help manage ...
What is a whole house humidistat?
Whole-House Humidistats. In whole-house systems, dehumidifiers or humidifiers are connected with the central HVAC system. In such systems, the humidistat is also responsible for adjusting the dampers, valves, or other HVAC system switches to regulate the airflow as well as the humidity throughout your home. A humidistat can also be wired ...
Why is a hygrometer important?
It is due to this reason that a hygrometer can be highly useful even though it doesn’t regulate humidity levels as humidistats do. You can use the readings from the hygrometer to adjust moisture in the room thus achieving optimal humidity.
How much humidity is off in a humidistat?
In fact, humidistats are often off by as much as 10 to 20 percent. The problem with inaccurate humidistat humidity readings in cool climates is that you will tend to put warm moisture into the air and it is cool outside thus leading to condensation formation on the exterior walls and windows.
What humidity level does mold thrive in?
Mold typically thrives in humidity levels below 30 percent and above 60 percent, which means that if you use a humidistat, you can easily find yourself dealing with a mold problem very quickly particularly in tropical and humid climates.
Can a humidistat be wired into a thermostat?
A humidistat can also be wired into your thermostat to run the air conditioner to regulate the humidity level inside your home independently of the temperature. The humidistat doesn’t allow the air conditioner to turn on if the temperature is high but the humidity is low.
Does a portable humidifier have a humidistat?
When you buy a dehumidifier or portable humidifier, it usually comes with an attached humidistat that ensures that you never over-dehumidify or -humidify the room. It effectively monitors and regulates the humidity in the air close to the device but never measures humidity levels in other parts of your home.
What does a humidistat do?
While the thermostat on your air conditioner measures the temperature inside the home, a humidistat measures the humidity. If the temperature is high but the humidity level is low, the humidistat does not allow the air conditioner to run. This prevents using electricity to cool your home when you aren’t there.
Why do you need to run a central air conditioner?
Running a central air conditioning unit to maintain a comfortable temperature level inside your home when you won’t be there is costly, yet turning the air conditioning off completely in humid areas creates mold and mildew problems inside the home. The solution is a humidistat, which runs the air conditioner to control the humidity level inside ...
Does humidistat work on electricity?
This prevents using electricity to cool your home when you aren’t there. If, however, the humidity level inside the home creeps into the range where mold and mildew could become a problem, the humidistat runs the air condition er until the humidity level is reduced. In this way, you protect your home form mold problems while you are away without ...
