Use a 30-pint dehumidifier (or a unit between 24- and 39-pint capacity) in the following conditions:
- Damp rooms of 500-1,500 square feet
- Very damp rooms of 500-1,000 square feet
- Wet and extremely wet rooms of 500 square feet
Full Answer
Do I need a dehumidifier if so how big?
The size of the space is arguably the most important factor when selecting a dehumidifier. Simply put, the larger the space you want to dehumidify, the larger dehumidifier you will need. For instance, if you need to dehumidify a large 1500 sq. ft. space, then you’ll need a large dehumidifier– at least 50 pints.
How can I tell if I need a dehumidifier?
Signs You Might Need a Dehumidifier
- Window and Patio Door Condensation. Condensation on the interior glass, water beading on a window or the presence of what looks like a fog or vapor on the glass are ...
- Mold Spots on Ceiling or in Corners of Walls. ...
- Inspect for Mold, Water Stain Marks When Buying a Home. ...
How do you choose the size of a dehumidifier?
To clarify this further, there are three main considerations when choosing a dehumidifier size:
- The size of the environment you want to dehumidify. This should be measured in square metres, as that’s the unit quoted by manufacturers in the UK.
- The level of moisture in the environment. This is a more subjective measure, unless you use a humidity monitor. ...
- The temperature of the environment (more on this in a minute).
How to do dehumidifier calculation or sizing?
How to select a dehumidifier?
- Collect the details on Room size, current temperature, current relarive humidity, desired relative humidity and air exchange rate if you have air conditioners.
- Use our free software to calculate the required capacity of dehumidifier.
- Based on the result, check the performance chart of few models of similar capacity.
What size dehumidifier do I need for an apartment?
Use a 30-pint dehumidifier (or a unit between 24- and 39-pint capacity) in the following conditions: Damp rooms of 500-1,500 square feet. Very damp rooms of 500-1,000 square feet. Wet and extremely wet rooms of 500 square feet.
How do I determine what size dehumidifier I need?
Get a dehumidifier with a capacity of 10–26 US pints (4.7–12.3 L) for a moderately damp space.For a space that's 500 square feet (46 m2), a dehumidifier with a 10 US pt (4.7 L) capacity should work.If your space is 1,000 square feet (93 m2), get a 14 US pt (6.6 L) dehumidifier.More items...
Will a dehumidifier work for a whole apartment?
A 50-pint or 70-pint dehumidifier could be enough to cover the entire floor of an average house or at least several rooms, as long as there is an open floor plan and interior doors are kept open at all times.
How many square feet does a 20 pint dehumidifier cover?
Dehumidifier room sizeDehumidifier Capacity (Pints)Room Size (sq ft)20 pints300 sq ft22 pints400 sq ft35 pints600 sq ft40 pints700 sq ft2 more rows•Jul 22, 2022
How many square feet will a 50 pint dehumidifier cover?
40 or 50-Pint Dehumidifier – This is the size recommended for areas up to 2000 square feet that feel damp and smell musty all the time, or in which moisture can be seen on the walls, or in which you've dealt with mold growth in the past.
Is it bad to oversize a dehumidifier?
But buying a dehumidifier isn't a one-size-fits-all proposition. A model that's too small for your space may hardly make a dent in the moist air, while one that's too large may make the air excessively dry.
What is a 30 pint dehumidifier mean?
For example, when you see a "30-pint dehumidifier," you're looking at a model that's rated to remove 30 pints of moisture total per day at testing conditions. The updated testing conditions are 65 degrees F and 60% humidity.
How much will a dehumidifier reduce humidity?
30 to 50 percentDehumidifiers. Dehumidifiers do the opposite of humidifiers. These devices take moisture out of the air and help keep your indoor air dry. A typical dehumidifier can reduce your indoor air's RH to a more comfortable 30 to 50 percent.
Will a dehumidifier work through walls?
Where to Place Dehumidifier in Your House. You want to place your machine in an area where there is good air circulation so the unit can efficiently work. We do not recommend placing a dehumidifier directly against a wall or piece of furniture. Instead, put it at least six inches away from these vent-blocking surfaces.
Do I need a 50 or 70 pint dehumidifier?
For example, if you have a 500 sq ft basement with medium humidity (70%-80%), you would need a 50-pint dehumidifier. That's a ballpark figure. Note that some producers might be throwing around numbers like 3,000 sq ft or 4,500 sq ft.
What does it mean 70 pint dehumidifier?
This is the measurement term that is most often associated with the second use of the term “capacity”. If you have a 70 pint dehumidifier that most often means that under AHAM rating conditions (60% Relative Humidity @ 80° F), this unit will remove up to 70 pints of water per day.
How many dehumidifiers do I need calculator?
Multiply the room's length, width and height. Next, calculate AHAM. To do so, take the room size in cubic feet and divide it by the appropriate number based upon dehumidifier type and class. Finally, divide the result by the dehumidifier's rating to arrive at the number of dehumidifiers required.
How big of a dehumidifier do I need for 1200 square feet?
AHAM Dehumidifier Capacity TableHumidity Levels:300 sq ft space1,200 sq ft space80-100% Humidity (Seepage on walls, mold possible)45 Pint (Old Standard) 30 Pint (New Standard)90 Pint (Old Standard) 60 Pint (New Standard)3 more rows
What is the difference between a 35 pint and 50 pint dehumidifier?
The only real tangible difference between them is that one removes 35 pints of moisture per day while the other removes 50 pints per day. This means that our 35 pint dehumidifier recommendations almost always mirror our 50 pint recommendations.
What does a 70 pint dehumidifier mean?
This is the measurement term that is most often associated with the second use of the term “capacity”. If you have a 70 pint dehumidifier that most often means that under AHAM rating conditions (60% Relative Humidity @ 80° F), this unit will remove up to 70 pints of water per day.
What size dehumidifier do I need for 800 square feet?
If your basement is 800 square feet, and moderately damp, a small unit that removes between 50 and 70 pints is ideal.
What size drain hose do I need for a dehumidifier?
Some brands or models attempt to make a small profit from offering their own non-standard sizes, so you can only discern this before buying the pro...
Should I have one dehumidifier for each room in the house?
If you find that you require a dehumidifier in every room of the house, you should consider investing in whole-home dehumidifier systems. However,...
Can one dehumidifier do a whole house?
A whole-home dehumidifier connects to the HVAC system and will pull moisture from every room where you have ventilation. However, portable dehumidi...
How Are Dehumidifiers Sized?
Just like heaters and air conditioners are sized by BTU output or tonnes, dehumidifiers are sized by the amount of humidity (moisture) they can remove in a single day.
What is the most important number in a dehumidifier?
The most important number in any dehumidifier purchase is the relative humidity (RH). Relative humidity not only represents the amount of moisture in the air but the amount of food for bacteria and mold.
How does a whole house dehumidifier work?
A whole-home dehumidifier connects to the HVAC system and will pull moisture from every room where you have ventilation. However, portable dehumidifiers will only perform as a whole-home system in a small apartment or area less than about 500 square feet. The fans are not strong enough to pull air for an exchange rate from other rooms of the home.
How many PPD does a dehumidifier need?
On average, a single-family home, apartment, or office space will utilize a dehumidifier that falls between 30 and 50 PPD. Larger spaces, or those prone to water accumulation, constant high humidity or flooding, such as a basement, may need a unit up to 70 PPD.
What does higher temperature mean in a dehumidifier?
Higher temperature fluctuations result in a higher relative humidity level. Knowing the average temperatures will help you understand your average RH, which, in turn, will help you determine the size dehumidifier you need.
Why is the humidity in my RV higher?
This is because the air conditioner in a home is designed to remove moisture as it cools or heats the air. Smaller ACs on these mobile units can’t keep up with the levels of humidity we sometimes face.
How many PPD units are needed for a 700 sq ft house?
So, for example, if you have high humidity (moisture on the walls, but not seeping/running), and you are in a 700 square foot space, a 50 to 60 PPD unit is required.
How To Find The Best Dehumidifier For An Apartment?
In a possible way of trying to find the best dehumidifier for an apartment, the information on how big and damp the space can be is very important and also going for a dehumidifier with a little bit higher capacity than what is approved for the apartment has proved to be active and saves energy.
What is a portable dehumidifier?
Portable or single room dehumidifier: The word portable means something that’s not big and handy per se. Users can easily move their units with ease. However, the portable nature has a limitation because they can only be used to extract humidity in one room, and sometimes, the space is not expected to be bigger than the unit capacity. Getting this dehumidifier type is great if your wish is to be dehumidifying different sections of your facility per time. They’re not expensive as well.
What is a dehumidifier used for?
For a clearer view, it’s a type of dehumidifier used for removing moisture from an entire building, it comes powerful and bulky in size with plenty of tank space to store the withdrawn air moisture. Some of its kind that has castors can also be used for single rooms since they can be transported easily.
How much humidity does a cluvast dehumidifier keep?
The Clevast is capable of keeping your home humidity between 45 – 65 percent thereby guarantying you healthy air. Maintenance of this unit is cost-effective, filter only required washing and replacing, but ensure it gets dry before returning it to the device. It’s smart and neat design blends with any home settings and this makes it outstanding among the list of our dehumidifiers for an apartment building. More so, it is UL listed as an energy-saving device. Hence, you’ll spend less on electricity.
Why do we need a dehumidifier?
They help in keeping humidity levels, keeping the air healthy, and other harmful substances in the air that can affect the health. This is done by taking air into itself and then extracting every form of bacteria in it then releasing it back to the room.
How long does it take to empty a Yaufey dehumidifier?
The 1.8-liter tank is where collected moisture is dumped and users are expected to empty the tank after 24 hours of running. Better still use the continuous hose (2-meter long) as a more convenient way to empty the unit without stressing yourself. The Yaufey 30-pint dehumidifier allows you to choose between regular and turbo-fan speed levels for customized comfort.
How many liters is a Vacplus?
Also, Vacplus comes with a 1.35-liter tank capacity. However, if you’re tired of emptying water manually, you can connect the dehumidifier continuous drain hose to your drainage to help you dump the water outside. This way, you don’t have to empty the tank by hand.
What is the most overlooked factor when it comes to what size dehumidifier you need?
Temperature is the most overlooked factor when it comes to what size dehumidifier you need. Most homeowners have a specific situation. Picking the correct size of a dehumidifier is not the simplest task in the world.
How many pints of water can a dehumidifier squeeze?
Let’s start with the capacity of the dehumidifier. You can get a small 30-pint, a medium 50-pint, or the strongest residential 70-pint dehumidifier. This tells you the maximum amount of water (in pints per day) a dehumidifier can squeeze out of your air per day, according to the tests made by DOE.
How much water does a 70 pint dehumidifier take out?
A pint is a weird unit; it amounts to 1/8 of a gallon. In short, the big 70-pint dehumidifier can absorb almost 9 gallons of water out of the house or basement air per day.
What is the most useful resource for dehumidifiers?
The most useful resource is the dehumidifier size chart. AHAM (Association of Home Appliance Manufacturers) has come up with directives on the capacity of dehumidifiers for different relative humidity and area sizes.
How many pints does a dehumidifier have?
The capacity of most residential dehumidifiers ranges from 30 pints to 70 pints.
What is the best way to keep a basement from getting moldy?
Dehumidifiers are the most useful for very moist basements. Basements generally have an above-average humidity; this can spur spore and mold growth. In several decades, it can weaken the walls and put the whole structure of the house in danger.
What is the humidity of a house?
Houses usually have 50% to 70% relative humidity and higher square footage. What really matters when picking the correct size of a dehumidifier are 3 specific factors: Relative humidity rates. They range from 50% to 100%. The purpose of using a dehumidifier is to lower relative humidity to 30% to 50%. Square footage.
What are the factors to consider when sizing a dehumidifier?
There are three main factors to consider when sizing a dehumidifier: Humidity inside the space. Size of the space. Temperature inside the space. I’ll go over them below.
How many pints of dehumidifier should I use for a basement?
For an average-sized basement (800 sq. ft.) with high humidity (80%), I’d recommend a 45-pint dehumidifier (2020 standard).
How cold does a dehumidifier work?
Most refrigerant dehumidifiers work down to temperatures around 41°F. But if you’re dehumidifying a room at those cold temperatures, don’t expect it to work very well. The lower the space temperature, the worse your dehumidifier will perform.
Why is airflow important in a dehumidifier?
Airflow is important for large spaces because you will need air circulation throughout the entire space to dehumidify it.
What happens if you put a dehumidifier on one side of a room?
If your dehumidifier is placed on one side of a large open room, then the opposite end of the room might stay humid.
How many pints per day can a dehumidifier remove?
Here’s an example why the standards matter: If you’re buying a 50-pint dehumidifier that’s tested to the old standard, it is capable of removing 50 pints per day when room conditions are 80°F and 60%RH.
Why is it so hard to find a dehumidifier for my basement?
Finding the right dehumidifier for your basement can be tricky because of varying size and humidity conditions.
What is a dehumidifier?
A dehumidifier is exactly what it sounds like: an appliance that sucks the humidity out of the air. These air conditioning units are designed to extract water from the air for a multitude of reasons, the most common simply being comfort.
Why does the size matter?
The size of your dehumidifier matters because a small one in a large space will yield little to no positive results. And if your dehumidifier is too large, it can cause the room to feel dry and stuffy, which is not the goal.
What size dehumidifier do I need
To choose the perfect unit for your house, you first need to understand how dehumidifier sizing works and the factors that go into choosing the right size.
How Dehumidifier sizing works
Dehumidifier size is determined by its total moisture removal capacity over 24 hours. This is measured in pints so you can accurately determine the ideal size for your space and environmental conditions.
Factors to Consider
The square footage of your space is only one aspect of determining the right dehumidifier size for you. To choose the optimal size, try to take all of these factors into consideration.
Conclusion
A dehumidifier can do wonders to improve the comfort of your space. Stop musty odors, prevent mildew and mold, and feel more relaxed in your home by adjusting the air to perfection. Use this guide to figure out the best size dehumidifier to make your space comfortable and cool.
FAQs
It depends on how large of a space you want to dehumidify. If it is a multi-level house, you probably need one for each floor at least. If you live in a large apartment where one room is significantly far away from another room, it will benefit your air quality to place one in either room to maximize the effects.
What Size to Consider When Purchasing A Dehumidifier?
So, now that you know there are numerous dehumidifiers on the market classified based on several characteristics, you need to discover how to purchase one based on the size.
Is It Efficient to Use One Dehumidifier for The Entire House?
Many homeowners ask this question. And we can say from our experience that it is only reasonable to do so.
How do you choose a suitable dehumidifier for your apartment?
There are so many options on the market for regulating humidity at home. Those include various capacities, designs, models, and costs. So, here are a few tips to buy the best model for your home.
What is the best humidity level for a dehumidifier?
An optimal level of relative indoor humidity is around 50 percent. In the winter months, you can keep it at 5 percent lower to prevent condensation on the windows. The majority of dehumidifiers allow you to manually adjust the settings between 30 and 80 percent. How soon you will feel the difference depends on the current condition and the dehumidifier’s performance.
How many pints of moisture can a Frigidaire dehumidifier remove?
The Frigidaire 70-pint Dehumidifier Model FFAD7033R1 can remove 70 pints of moisture in the air per day. Even better, the dehumidifier is quick and efficient. Therefore, after you turn it on, you will feel the difference sooner than with other similar models.
How much moisture can a space dehumidifier extract?
This medium to large space dehumidifier from hOmeLabs has the largest extracting capacity of 70 pints of moisture from the air per day. The unit features a clean and sleek design with a few useful design features.
Why do you need a dehumidifier in an apartment?
Dehumidifiers are essential in basement apartments. It is because moisture tends to collect in basements more, but they are beneficial in all apartments as well.
How to know how much humidity reduction you need?
Thus, to make sure you know how much reduction you need, place a hygrometer and measure the humidity a few days in a row . Then, consider the square footage and check reviews to learn more about each dehumidifier model.
How does a dehumidifier work?
Dehumidifiers remove odors: Because the dehumidifiers intake air, dry it, and release it , they can efficiently remove unpleasant odors. It can be useful in apartments as well as smaller spaces where the kitchen is near the living space. Therefore, it will reduce the steam caused by cooking.
How Dehumidifiers Work
Dehumidifiers regulate humidity by drawing moisture from the air. A fan pulls the moist air into the dehumidifier and through cooling coils, which use condensation to draw dampness from the air. The dehumidifier’s heat recovery system then passes warmer, dryer air back into the room.
Check the Room's Moisture Level
A room with damp surfaces or a constantly musty odor may need a dehumidifier, which will need to work harder in an extremely wet space than one that’s mildly damp. You can use a humidity meter to measure a room’s moisture or assess it based on these general criteria:
Measure the Room's Size
Once you’ve determined that a room has excessive humidity, measure the room’s dimensions to determine the size humidifier you need. Use a tape measure to determine the room’s length and width and multiply to determine the square footage. For instance, a 12- by 12-foot room will have square footage of 144 feet.
Compare Room Size vs. Moisture Level for Dehumidifier Size
Dehumidifier capacity is rated by the amount of moisture removed in 24 hours, so a 30-pint humidifier is rated to remove 30 pints of moisture in one day.
Other Factors in Choosing Dehumidifier Size
Other factors can influence the humidity of the room, so consider the following when sizing a dehumidifier:
