- Updated April 19, 2019
- Posted by: June Spencer
Maintaining an improper humidity level indoors can cause a lot more than structural damage to the building and decay furniture pieces as it can impact your health negatively as well. No matter if we are talking about high or low humidity levels, whatever exceeds the normal directly threatens the integrity of your health. Thus, measuring relative humidity is essential as you won’t only be aware of environmental conditions at all times, but you will know what course of action needs to be taken in order to normalize indoor moisture.
Top 12 Indoor Hygrometers Compared
1. ThermoPro TP65
As it comes with a receiver and a transmitter, it can be used to read temperature and humidity levels indoors, as well as outdoors, this being the undeniable main perk of the TP65. The wireless transmission range between the two is of up to 200 feet or 60 meters, but it will be shortened if there are interferences present. The base station unit or the receiver must be placed out of direct sunlight in order to function properly. It features a 4-inch display with big numbers that make it easy to read off of it even from large distances, while the backlight function enables you to conveniently check it even when the lights are out. On the display, there is a low battery indicator icon that will let you know when the four AAA batteries that power it needs to be replaced. You can switch between degrees Fahrenheit and Celsius to suit the setting you are familiar with.
When it comes to temperature display, it provides readings as long as the temperature ranges from -4 to 158 degrees Fahrenheit indoors, and -58 to 158 degrees Fahrenheit outdoors. The 10 to 99% relative humidity range it can read ensures that you can rely on it regardless how harsh environmental conditions are, while the +/- 2-3% accuracy ensures utter reliability. It updates readings once every 30 seconds to guarantee you are updated with the current status indoors or outdoors. It even allows you to see the temperature and humidity levels within the past 24 hours. Additionally, the 1-year warranty that is provided for it by the manufacturing company can be extended to 3 years if you simply register the product after acquiring it.
What We Like
- Can be used both indoors, as well as outdoors
- Features a 4-inch backlit display that is easy to read off
- Wireless transmission range of up to 200 feet or 60 meters in an open area
What We Dislike
- Lack of a physical button to activate the backlight feature had some customers complain they had trouble finding it
- Over time, it might provide slightly inaccurate readings
Perfect for indoor as well as outdoor use, the TP65 provides wireless monitoring of environmental conditions in up to 3 different locations. Place the remote sensors in key areas of your home or even outdoors, and you will be informed on how humid and hot it feels there 24/7.
2. AcuRite 00613
Compact and boasting an intuitive use as all the information you are interested in is shown on its easy to read display, this AcuRite entry is perfect for use in any indoor space. It requires one AA battery to run, and the battery is sure to not deplete too fast as the power rating of the device is only 20 watts. With the simple touch of a button, it allows you to toggle between degrees Celsius and degrees Fahrenheit as you prefer. To be able to rely on the readings it provides, make sure you don’t place it in the proximity of a vent, heat source, or in direct sunlight, as the sensitive sensors it features will provide wrong results as they will be influenced by the environmental factors. As long as a proper placement is ensured, its accuracy and reliability are unmatchable.
Obviously, the reason why you are interested in it, to begin with, is that you want to know what the humidity level indoors is, monitoring this environmental factor. As it can display moisture readouts as long as relative humidity levels range from 16 to 98%, no matter how dry or damp the air gets, the device will provide a reliable reading. Of course, in order to offer this reliability, it delivers an enhanced accuracy of +/- 3% – this accuracy applies when relative humidity ranges from 30% to 80%. When dampness levels exceed or drop below the aforementioned range, its accuracy is slightly affected, shifting to +/- 4%. Another great feature is the fact that it displays whether the current dampness level is high, low, or ideal in terms of comfort for the human body.
It will be a lot easier for you to know what is the temperature you must maintain indoors to feel comfortable if you can monitor it and test different scenarios. As the device is even capable of providing temperature readings, it serves you even further in your quest for perfecting the conditions of your habitat. As aforementioned, it displays temperature either in degrees Fahrenheit or Celsius so that you pick what the setting you are accustomed to. It can display temperature readouts within a range of 32 to 122 degrees Fahrenheit or 0 to 50 degrees Celsius. When it comes to accuracy, the +/- 2 degrees Fahrenheit margin of error should be more than enough to convince you of its dependability.
Mention Worthy Details
- Measurement frequency is every 15 seconds to ensure an updated overlook on dampness indoors.
- Displays lowest and highest humidity and temperature records over the past 24-36 hours.
- Allows you to select between degrees Fahrenheit or degrees Celsius with the simple press of a button.
It measures 3 inches in height, 2.5 inches in width, and 1.3 inches in depth, perfectly fitting in every room of your home as it doesn’t take up much space. This incredibly compact design makes it portable as well, so if you want to take it to the office or when you are on the go to track environmental conditions, it won’t be troublesome at all. Another design element worth mentioning is the fact that it can be mounted in 3 different ways – on the wall using the mounting clip, against the refrigerator due to its magnetic back, or on the tabletop as it will sit against the fold-out stand that it features.
What We Like
- Displays daily high and low records
- Humidity level icon indicates whether moisture is at a high, low, or ideal comfort level
- Requires a single AA battery to function
With little to no downsides to it, the AcuRite is sure to deliver precise, accurate reading regarding indoor humidity and temperature levels. It delivers multiple mounting methods to suit your preferences, takes up little space, and provides you with information regarding environmental conditions over the past day.
3. ThermoPro TP67
Another ThermoPro entry we guarantee will be to your liking, the TP67 model can accurately deliver temperature and humidity level readings regardless if it is used indoors or outdoors. It boasts a precision of 2-3%RH and +/- 1°F, so you can confidently rely on the readings it provides. When used indoors, it can track and display temperatures ranging from -4°F to 158°F, while outdoors it reads temperatures spanning from -31°F to 158°F. Furthermore, it can display humidity levels indoors ranging from 10 to 99%. It comes with the base and a remote sensor that can be used outdoors as it is cold-resistant and weatherproof, and that has a 330-foot range. It is able to wirelessly track up to 4 different locations, so you only have to buy more remote sensors if you want to monitor environmental conditions in other areas as well. Know that the remote sensor is powered by a rechargeable lithium battery that requires approximately 1 charge per year with the use of a common USB charging cable.
The base can either be placed on a table stand or mounted to the wall, so there is versatility when it comes to the installation manner. The base features a wide 4-inch brightly lit display that allows you to conveniently check on the stats it tracks. It even displays a forecast of the weather for the next 12 to 24 hours based on the barometric pressure readings it takes. To allow a more intuitive manner to read the forecast, it presents it through the use of 5 icons that symbolize different conditions – snow, rainy, cloudy, partially cloudy, and sunny. It displays all-time high and low records for both humidity and temperature levels so that you can compare shifts in conditions. Additionally, a 1-year warranty is provided for it by the manufacturing company, so in the off-chance that defects occur in the meanwhile, they will be taken care of free of charge.
What We Like
- Comes with a remote sensor for outdoor use, and it is able to wirelessly track up to 4 different locations at once
- Remote sensor holds up a charge for up to 1 year
- Displays icons that symbolize upcoming weather conditions based on its forecast
As it not only reads humidity and temperature indoors as well as outdoors, but is able to provide a weather forecast for your specific location so that you know what awaits you in the following days, the TP67 is one of the best selections to go for.
4. Habor GEHM118AB
Due to the fact that it measures only 1.8 inches by 2.3 inches, the Habor is a portable and convenient to use temperature and humidity monitor. It measures humidity within a 20 to 95% range, with an accuracy of +/- 5%. This accuracy is a minor downside as our other entries are more reliable from this point of view. When it comes to the temperature range it can display, it is from 32 to 122 degrees Fahrenheit or 0 to 50 degrees Celsius. Furthermore, it can display temperature readings in Fahrenheit or Celsius degrees, depending on your preference. It features a comfort level indicator that shows whether there are normal or comfortable environmental conditions indoors. It provides with 3 mounting options, more precisely it can be hung against the wall, mounted on the refrigerator, or stand upright on a table or another flat surface.
The easy to read LCD display ensures you can check humidity and temperature levels even from a far distance, and it features a bright design so that it remains readable even in poor lighting conditions. One of its most appealing traits is the fact that it updates the readings at a 10-second frequency. In terms of pricing, it is one of the cheapest picks you could go for. Best of all, the manufacturing company backs it with a hearty lifetime warranty against defects, and the customer service is notoriously responsible, responding within a 12-hour time span to any reclamations or issues.
What We Like
- Three mounting options – hang against the wall, mount against the refrigerator, or table standing
- Clear LCD display is easy to read off even from a far distance
- Updates readings once every 10 seconds
What We Dislike
- Other entries are more accurate -> +/- 5% precision in humidity level recording
- Design is a bit too simplistic
Another budget-smart option that you can go for, the Habor is quite dependable as it updates the readings it displays once every 10 seconds. It provides multiple mounting options and indicates comfort levels, this being only some of its highlights.
5. AcuRite 00325
Another AcuRite entry that we are fond of as it delivers trustworthy readings, the 00325 displays temperature, as well as humidity levels, making for an ideal partner for your humidifier or dehumidifier. In order to be convenient to use for people all across the globe, it displays temperature readings either in Celsius or Fahrenheit degrees, meaning that regardless of the measurement unit you are accustomed to, it will cater to your preferences. The humidity range displayed is from 16 to 98%, while the temperature range it can read is from 32 to 122 degrees Fahrenheit or 0 to 50 degrees Celsius. It records the environmental conditions so that it may display high and lows over the last 24 hours. It features a magnetic backing that allows you to conveniently place it against the refrigerator.
It even stands upright so that you may place it on a tabletop if that is what you desire. It requires a single AA battery to operate. In terms of design, it measures a mere 3 inches by 2.5 inches by 1.3 inches, so it is highly portable. Additionally, it comes in 3 different color options to suit the style and décor of the room you want to place it in – pick between black, red, and blue. It comes at an incredibly cheap price that makes it accessible for all buyers. Furthermore, the company that makes it backs the product with a 1-year warranty against defects, so you are spared of any repair costs during this period of time.
What We Like
- Can be placed upright on a tabletop or mounted to the fridge
- Comes at a cheap, accessible price
- Pick between 3 color options – black, blue, and red
What We Dislike
- Some users report issues with inconsistencies in readings
- Display is a bit too crowded
One of the more accessibly priced entries you will stumble upon, the AcuRite makes for the perfect companion for your dehumidifier or humidifier. It is designed with portability in mind, and it provides 2 mounting options so that you may use it as conveniently as possible.
6. La Crosse Technology 302-604B
A station that serves you well as it accurately checks for room ambient conditions so that you are kept aware of temperature and humidity at all times, the La Crosse Technology might not be the cheapest entry you will encounter, but it’s one worth taking into consideration due to its design and capabilities nonetheless. It can track and display indoor temperature in degrees Celsius or Fahrenheit as long as the range is from -4 to 122 degrees Fahrenheit or -20 to 50 degrees Celsius. When it comes to moisture levels, with a +/- 3% accuracy, it tracks conditions in environments where the span ranges from 20% to 99%, more than what most devices in its niche are capable of.
When the temperature drops below -20 degrees Celsius of -4 degrees Fahrenheit, it displays a “Lo” icon so that you know conditions have dropped considerably and it cannot keep track anymore. To help you more easily figure out that moisture levels are in check, it displays a comfort level icon, more precisely a smiley face, when humidity ranges from 40% to 60%. It is powered by a CR 2032 button cell battery that is included with the purchase. When it comes to placement, you can opt for free standing or wall hanging, depending on your personal preference. Additionally, to show how much care has been put in the manufacturing of the product, the company provides a 1-year warranty for it, so you are covered in the off-chance that a defective part or malfunction arises.
What We Like
- Can be hung against the wall or left as a free standing device
- Displays a comfort level smiley face when humidity levels are in the check
- Displays large temperature or humidity stats at the touch of a button
What We Dislike
- Not the cheapest selection in our top
- Over time, it might display inaccurate readings
It might not be the cheapest entry you will encounter, but it’s one worth taking into consideration as it displays temperature and humidity as accurately as possible so that you are aware of environmental conditions at all times.
7. ThermoPro TP50
To keep your living conditions optimal, you can trustfully rely on the TP50 to guide you as it provides highly accurate dampness and temperature readings. When it comes to displaying humidity, it delivers a +/- 2-3% accuracy, while the precision for its temperature recording is +/- 1° F. The temperature range it can display is from -58 to 158 degrees Fahrenheit, or -50 to 70 degrees Celsius, while the displayable humidity level ranges from 10 to 99%. With the simple press of a button, you can toggle between Celsius and Fahrenheit temperature display options to suit the measurement unit you are accustomed to. It features a 2.7-inch smart display with large numbers that make it easy for you to read the data it shows. It features an on-screen humidity level indicator that shows whether the environmental conditions are dry, wet, or ideal.
Its portable design makes it easy to move it from one location to another, measuring a mere 3.1 inches by 2.6 inches by 0.8 inches. The magnetic backing it features enables you to mount it on any metal surface, like the refrigerator, for example. It even features a kickstand that allows you to set it upright at a perfect angle to read the data it displays. It is powered by a single AAA battery that is bound to provide a hearty lifespan as the device’s energy consumption is low. When it comes to backing, the 1-year warranty provided by the company that produces it can be extended to 3 years by simply registering the device on their website.
What We Like
- Provides two mounting options – tabletop and magnet mountable
- Features a humidity level icon that shows what are the environmental conditions – dry, comfort, wet
- Low power consumption ensures the AAA battery will require replacement after a long time
What We Dislike
- Sensitive to environmental conditions – provides wrong readings if it is not placed coorectly
- Not the most durable build
Highly reliable as long as you set it up properly and out of the sun’s way, the TP50 provides with crucial data regarding conditions like humidity and temperature levels. It features an easy to read display and its design allows portability, being created for utter convenience in use.
8. Homidy 360° HD
Made with Eco-friendly materials and boasting durability that surpasses its competitors on the market, there are plenty of aspects that make this relatively new entry on the market a must-have for anyone looking to keep an eye on indoor humidity levels. It can be set to display in degrees Fahrenheit or Celsius the temperature indoors, so you have the commodity to pick the type of reading you are accustomed to. What is, by far, its most exceptional feature is the 360-degree display that enables you to easily read the info displayed from any corner of the room. It can handle displaying relative humidity levels from 0 to 100%, while the temperature it can display ranges from 0 to 60 degrees Celsius to 32 to 140 degrees Fahrenheit.
It is highly accurate, delivering a +/- 3% RH accuracy that makes its displayed info reliable, the Swiss Sensirion sensors used in its manufacturers being what give it this high dependability. To make using it more fun and easy, it displays 6 comfort and mood levels. In order to ensure that you are kept aware of current comfort levels indoors at all times, it boasts a great update frequency of 3 seconds. In addition to all these wonderful stats, the product is backed by a 3-year warranty against defects, which makes it indeed a long-lasting investment, one which won’t take a lot of money to purchase either.
What We Like
- 360-degree HD display makes it easy to read info it shows
- Update frequency of 3 seconds
- Displays 6 comfort and mood levels
What We Dislike
- Update frequency not as great as what other models provide
- Instructions manual needs improvements
A newer release that has caught our eye with its ease of use, ingenious display design, and high accuracy that makes its reading more than dependable, the Homidy is a selection we strongly recommend you go for.
Even though products in this niche generally don’t come at exorbitant prices, it is worth mentioning that the ORIA tends to be even cheaper priced than most models in its quality range. Its small size – it measures 3.7 inches by 3.7 inches by 1.5 inches – and lightweight design make it easy for you to move it from one room to another or even take it with you wherever you to check on environmental conditions of interest. Speaking of, it is able to display relative humidity levels as well as temperature, so you will be informed on the important stats of the space you are in. The temperature measuring range it provides spans from 0 to 50 degrees Celsius or 32 to 122 degrees Fahrenheit, while the relative humidity range spans from 10 to 99 percent.
When it comes to temperature display, it is accurate within +/- 1 degree Celsius, and it boasts a +/- 5% accuracy in determining indoor humidity levels. It is made with ABS plastic, which means that you needn’t worry it might break easily on impact. When it comes to setting it up, you can either place it on a flat surface as a freestanding device or hang it on the wall. It requires 2 AAA batteries for power, batteries that aren’t included with the purchase, so keep this aspect in mind. Lastly, we mention the fact that it features a clear display where the stats are shown so that you won’t have a hard time reading the values.
What We Like
- Displays ranges for dry, normal, and wet conditions to keep you aware of your surroundings
- 2.5-inch LCD display for clear readings of the provided stats
- Can be hanged on the wall or placed freestanding
What We Dislike
- Temperature measuring range is lower than what other products provide
- Flimsy design
Clearly displaying stats that interest you in regards to environmental conditions and providing info not only related to relative humidity but temperature as well, all while maintaining a reasonable asking price, the ORIA makes for a valuable addition to any household.
10. Bengoo BEN-TM6-1
We start off with what we don’t like about it to get the negative element out of the way, more precisely the fact that it is a tad less accurate than our other entries when it comes to humidity level display. However, it more than makes up for this flaw with its overall quality and reliability. It works in Celsius, as well as Fahrenheit, ensuring you are able to set the reading that you are familiarized with. It features a 4-inch LCD display screen that is large enough to guarantee you won’t have to squint your eyes to see what is noted on it. On this display, there are icons that indicate how comfortable environmental conditions are at the moment.
You have your pick when it comes to its placement, which is convenient as you can either mount it against the wall or place it on a table or a different surface. The indoor temperature range it can read spans from -4 to 158 degrees Fahrenheit, while the humidity range spans from 10 to 99%. Furthermore, it displays humidity resolution in 1% increments, and temperature resolution in 0.2 degrees Fahrenheit increments.
What We Like
- Icon indicators ensure intuitive, convenient use of the device
- Can be wall hanged or you can place it on a table in an upright position due to its base stand
- Large LCD display makes it easy to read the provided stats
What We Dislike
- Not as accurate as our other entries are
- Too many stats displayed at the same time
Even though it is highly qualitative, we had to downgrade it a bit as it doesn’t deliver the same accuracy in humidity display that our other entries do. However, if we were to comment on its overall performance, we would say that it is, indeed, a worthwhile investment.
It might not be one of the most recognizable brands out there yet, but Airsspu is sure to be an acquisition you will just adore as it provides a very accurate reading of indoor humidity levels to keep you aware of your surroundings. It even displays the temperature, so there’s no need for a separate thermometer. It is quite compact, which is expected of a product in its niche, measuring a mere 4.6 inches by 3.7 inches by 2.5 inches, and weighing only 7.5 ounces. In addition to providing with the useful info, on the display, it shows what the comfort level is so that you know how friendly the living environment actually is.
The three indicators that may appear on the screen include Dry, Comfortable, and Wet. It displays temperature in degrees Celsius and Fahrenheit, so no matter what you are accustomed to, it’s there. It is quite versatile when it comes to the mounting style as you can let it sit vertically on the table or use a magnet to attach it to another household appliance. It displays your all-time high and low records for humidity and temperature so that you may analyze environmental changes that have occurred since having it. Two remote controls are included with the acquisition, as well as a user manual which comprehensively describes the operation of the device, troubleshooting steps, and more.
What We Like
- One of the cheapest models available
- Comes with a comprehensive user guide
- Two remote controls are included
What We Dislike
- Accuracy isn’t as high as what other products offer
- As time passed, some complained that it started providing inaccurate readings
Easy on your wallet and just as easy to use, it present you with a convenient way to keep track of environmental conditions crucial for your comfort when you are at home, more precisely humidity and temperature.
It is designed for use only indoors and measures 4.3 inches by 4 inches by 0.9 inches, which makes it one of the most compact entries in this niche. When it comes to its placement, you can either opt to let it sit on a table or nightstand, basically any straight surface, or hang it on the wall if you want to get it out of your way. It boasts a user-friendly design, featuring only 2 side buttons so that you don’t get confused in regards to controls, more precisely the ‘Clear’ button that clears the memory of the minimum/maximum data gathered up to that point, and the ‘Max/Min’ button which reads and displays the maximum and minimum values of humidity and temperature.
It can display the temperature readout in degrees Celsius or Fahrenheit, depending on what you prefer. Speaking of, the measuring range it provides spans from 32 to 122 degrees Fahrenheit or 0 to 50 degrees Celsius with an accuracy of +/- 2 degrees Fahrenheit. When it comes to humidity readings, the range it operates within spans from 10 to 99%, while the accuracy delivered is of +/- 5%. On its 4-inch clear display that ensures visibility even from a distance, it displays emoticons that indicate the quality of the indoor environment – the ‘Comfort’ smiley face indicates that humidity ranges from 50 to 70% and that the temperature spans from 68 to 80 degrees Fahrenheit, the ‘Wet’ straight face indicates that humidity levels aren’t in check as they surpass 70%, while the ‘Dry’ worried face shows that humidity levels are below 50%.
What We Like
- 4-inch display provides visibility from a long distance
- Comes at a cheap price
- Emoticon display ingeniously shows whether humidity levels are safe or not
What We Dislike
- We couldn’t find information regarding the product’s warranty
- Not the most durable pick in the long run
Small, easy to work with, and as accurate as they come when it comes to providing moisture level readings, the KeeKit will sit on the table or hang on the wall and provide you with the important info you seek in regards to indoor conditions.
How We Rated Our Picks
|Rating Criteria||Explanation||Product to Receive the Best Score|
|Humidity range||The humidity range within it can provide with readings shows under what conditions the device is usable. The wider the range the better as it shows that, regardless of how low or high humidity levels indoors are, it will be able to display them.||ThermoPro TP65, ThermoPro TP50, Bengoo BEN-TM6-1|
|Humidity accuracy||The accuracy it boasts is a crucial spec to look into as it shows how reliable the device actually is. When it boasts a high accuracy, you are ensured that the margin of error is small, thus being able to rely on the readings it provides in order to take decisions regarding the course of action you will take to remedy an eventual indoor moisture issue.||ThermoPro TP65, ThermoPro TP50|
|Temperature range||The wider the temperature range the better as you can rely on the device to function and provide readings regardless how cold or hot the environment indoors is.||ThermoPro TP50|
|Temperature accuracy||From this point of view, accuracy is important as it shows whether or not the readings provided and the operation of the device as a whole is a dependable one.||ThermoPro TP50|
|Indoor/outdoor use||Some devices can be used to measure humidity levels indoors, as well as outdoors. Outdoor models come with sensors that you place in the location of your choice, checking out the environmental parameters on the base unit or receiver that you place indoors.||ThermoPro TP65|
|Fahrenheit/Celsius display options||It is important for it to provide you with the option to select between Fahrenheit and Celsius temperature measurement units as this enhances its versatility in use – some people are familiar with one unit, while others can only read the other.||AcuRite 00613, ThermoPro TP65, ThermoPro TP50, AcuRite 00325, Habor GEHM118AB, Bengoo BEN-TM6-1|
|Measurement frequency||The frequency at which it takes measurements indicates how often it updates the readings displayed. It is important to look into this spec as it shows whether or not the levels you check at a specific moment have been updated recently in order to be informed regarding current environmental conditions properly.||Habor GEHM118AB|
|Mounting options||The more mounting options it puts at your disposal the better as you have your pick when it comes to how you set up the device.||AcuRite 00613, Habor GEHM118AB|