How big a dehumidifier
Dehumidifier
A dehumidifier is an electrical appliance which reduces and maintains the level of humidity in the air, usually for health or comfort reasons, or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. It can be used for household, commercial, or industrial ap…
| Environment Conditions | 45 Square Metres | 135 Square Metres |
|---|---|---|
| Mild Damp | 5.5 L/day | 10 L/day |
| Moderate Damp | 6.5 L/day | 12.5 L/day |
| Severe Damp | 7.5 L/day | 14.5 L/day |
| Wet | 8.5 L/day | 17 L/day |
How to determine what size dehumidifier you need?
- First, you need to convert relative to absolute humidity. ...
- Subtract present humidity from desired humidity. ...
- Multiply this number by the volume of the room (room size above) to get the total volume of water to be removed from the room.
- The volume assumes an air exchange ratio of 1. ...
How to choose the right size dehumidifier?
Part 1 Part 1 of 2: Choosing the Right Size Unit Download Article
- Use a hygrometer to accurately test humidity levels in your space. Comfortable humidity in a house is anywhere between 40% and 60%.
- Measure the square footage (meters) of your space. Measure the length and width of the room that you want to dehumidify with a tape measure, then multiply the figures ...
- Determine the pint removal capacity you need. ...
What size dehumidifier should I get?
What size dehumidifier do you need?
- Different styles of dehumidifiers. Desiccant dehumidifiers work best in small rooms. ...
- Choosing the right dehumidifier size. The 'size' (or 'rating') of a dehumidifier is measured in pints. ...
- Don't forget to get rid of the water. The amount of water that a dehumidifier can extract from the air isn’t the end of the story, though.
How do I calculate for size of dehumidifier?
- For a space that's 500 square feet (46 m 2 ), a dehumidifier with a 10 US pt (4.7 L) capacity should work.
- If your space is 1,000 square feet (93 m 2 ), get a 14 US pt (6.6 L) dehumidifier.
- For a 1,500 sq ft (140 m 2) space, get a 18 US pt (8.5 L) dehumidifier.
- For a 2,000 sq ft (190 m 2) space, get a 22 US pt (10 L) dehumidifier.
How do I determine what size dehumidifier I need?
Compare Room Size vs. 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. 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.
How many Litres should my dehumidifier be?
4. What size dehumidifier do I need?Environment ConditionsLess than 100 Square Feet300 Square FeetMild Damp250 ml /day1 L/dayModerate Damp250 ml /day8 L/daySevere Damp5 L /day12 L/dayDrenched7 L /day14 L/day
How much space does a 20 pint dehumidifier cover?
AHAM Dehumidifier Capacity TableHumidity Levels:300 sq ft space60-70% Humidity (Occasional musty smell)30 Pint (Old Standard) 20 Pint (New Standard)70-80% Humidity (Wet spots on walls or floor)40 Pint (Old Standard) 25 Pint (New Standard)2 more rows
How much space does a 30 pint dehumidifier cover?
1500 square feet30-Pint Dehumidifier – This is the size recommended for areas up to 1500 square feet, regardless of how damp the area is. That means it will be appropriate for most residential basements.
Will dehumidifier dry out damp walls?
As you can see there are quite a few reasons why your property walls might be damp. In most cases using a dehumidifier will only slightly reduce relative humidity and will not solve the problem you are dealing with.
Can a dehumidifier be too big for a room?
Dehumidifiers can indeed be too big for a space within your home. Having a bigger dehumidifier than the area requires means your electricity is working harder than it should.
What does 35 pint dehumidifier mean?
The bottom line is that a 35 pint dehumidifier is all but the equivalent of its 50 pint counterpart. 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.
How many dehumidifiers do I need calculator?
To determine the number of dehumidifiers that are required, divide the number of pints required to dry the space and then divide by your dehumidifier capacity (if you do not the AHAM rating of your dehumidifier, check the manufacturers website). The result of this calculation represents the number of machines needed.
How many square feet does a 22 pint dehumidifier cover?
1,500 sq ftA Quick Heads UpVremi Dehumidifier 22 PintVremi Dehumidifier 50 PintMax. Area Coverage1,500 sq ft4,500 sq ftWater Tank Capacity1 gallon1.8 gallonDimensions16.1 x 10.4 x 19.9 inches16.6 x 11 x 24.3 inchesProduct Weight33.1 pounds41.6 pounds2 more rows
How much space does a 35 pint dehumidifier cover?
Dehumidifier room sizeDehumidifier Capacity (Pints)Room Size (sq ft)35 pints600 sq ft40 pints700 sq ft50 pints900 sq ft70 pints2000 sq ft2 more rows•Apr 29, 2022
How many pints should my dehumidifier be?
If your home is located in a humid climate, add 10 pints. If multiple people live or will spend time in the space, add 5 pints. If there are multiple doors and windows in the space, add 5 pints.
What should I look for when buying a dehumidifier?
Dehumidifier Features: What to Look for When Buying a...Pint Capacity.Collection Tank or Collection Bucket.Humidistat or Hydrostat.Low Temperature Operation.Electronic or Manual Controls.Auto-Restart.Caster Wheels.Air Filter.More items...•
How many square feet does a dehumidifier cover?
These usually come with a capacity to cover anywhere from 200 square feet to 1500 square feet .
What is a large size dehumidifier?
A large size dehumidifier not just offers increased capacity to cover more square footage, but it also comes with additional features like more pints of water removal, energy efficiency, advanced digital monitoring on relative humidity using humidistat, multiple water drain options, large water tank capacity, and more.
How many pints of water can a dehumidifier hold?
It was initially categorised as a 70-pint dehumidifier by the 2012 DOE Standard. It has a large water tank with a 1.8-gallon capacity. This can hold the 50 pints of water removed every day from the air, which is directly proportional to the moisture content in the air.
Why is it important to have a dehumidifier in your home?
It is important to place close attention to the high humidity levels of any living space because of the health problems and property damage ...
What is the RH of a house?
The RH or relative humidity level of various areas in your home might differ. You may have an area that is extremely wet and in need of constant water removal, or an area that is moderately damp that needs the moisture level to be monitored occasionally.
How to determine the size of a dehumidifier?
To determine the dehumidifier size required for your grow room you must first have the number of the plants you have, if they planted on soil or not, and the amount of water they consume per day. Plants that are planted in the soil will require water only every other alternate day.
Can a dehumidifier be too big?
If you are wondering if a dehumidifier model can be too big for a room or space, the answer is yes, they can be. A dehumidifier model that specifically mentions it is for large units of water extraction and to cover large square footage, is certainly not an ideal choice to cover a small area.
What does size dehumidifier mean?
Firstly, the dehumidifier size doesn’t mean the size of the dehumidifier unit. Instead, it means how many litres of water it can extract each day. Of course, dehumidifiers with a larger capacity unit will typically be bigger, but that doesn’t always happen with every unit.
What to look for when choosing a dehumidifier?
When choosing a dehumidifier, it’s important to look for a water tank with comfortable and easy-to-use handles. You can remove the water and easily carry it when it’s full, no matter the dehumidifier’s size.
What is a heat pump dehumidifier?
A heat pump dehumidifier features a fan, heat exchange coils, and a heat pump to combat the amount of moisture in your living space. In particular, the heat pump can extract indoor air through the coil and fan. But if the moisture condenses, it can reheat and then be dispersed into the living space.
How to tell if your house is humid?
If you find that your home has become humid, it might be time to invest in a dehumidifier. Some common signs of a build-up of humidity can include misty windows and small patches of mould forming near the windows. You can even invest in a humidity meter to measure your home’s moisture levels for a better understanding since you can’t always see the effects of high humidity levels.
Does a dehumidifier help with mold?
A dehumidifier can help eliminate mould growth caused by too much humidity and moisture built up in your home. If you have a mould allergy, you might be more sensitive to these issues, such as having dry skin, a runny nose, sneezing, a cough, and other symptoms.
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 should I use for a dehumidifier?
For an average-sized basement (800 sq. ft.) with high humidity (80%), I’d recommend a 45-pint dehumidifier (2020 standard). If you need to constantly dehumidify your basement, it may be worth getting a dehumidifier ...
What temperature should a dehumidifier be tested at?
2020 Dehumidifier Testing Standard: Requires dehumidifiers to be tested at 65°F and 60%RH. Moving forward, all dehumidifiers will be tested using the new 2020 standard. However, there are still many dehumidifiers on the market that were tested to the 2012 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.
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.
What is the most important factor when selecting a dehumidifier?
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.
Dehumidifier Size Chart – How Big
The typical dehumidifier comes in a range of sizes from Mini to Xtra large. The size refers to pints of water. The number of pints of moisture the appliance can remove every day (24-hour period).
Dehumidifier Drainage
How many pints of moisture the appliance will remove from the air each day is the key point.
Things To Consider
The size of your room is important. When it comes to picking the right size dehumidifier, room size is not the only consideration.
How many standards are there for dehumidifiers?
One thing to be aware of before checking the sizing chart and using the calculator. As adopted by the Department of Energy (DOE), there are 2 testing standards for modern dehumidifiers:
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.
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.
Is a 60 pint dehumidifier better than a 50 pint?
Whenever you have this kind of choice between a smaller (50-pint) and bigger (60-pint) dehumidifier, always use the higher capacity. It’s always better to have a more powerful dehumidifier than one that’s too weak to do the job. Do keep in mind that AHAM sizing chart doesn’t take the average temperature into account.
Does a dehumidifier lower humidity?
One dehumidifier can be enough to lower the relative humidity in a small house. Compared to basements, the whole house has higher square footage but lower relative humidity. That means a dehumidifier has to extract moisture from a larger volume of air. However, the amount of moisture in the air is overall lower.
How big is a whole house dehumidifier?
Whole-house dehumidifiers are designed to work in spaces as large as 3,000 square feet (280 m 2 ). While these units are expensive to buy initially, they can save you money and energy in the long run by helping your air conditioner work more efficiently. ...
How to measure for a dehumidifier?
When choosing a dehumidifier, you'll need to take into account the size of the space you're trying to dehumidify. If you don't already know how big the space is, use a measuring tape to measure the length and width of the floor.
What is a dehumidifier?
Dehumidifiers are helpful for removing excess moisture from indoor spaces, thus reducing water damage and harmful mold and mildew growth. However, these appliances come in a wide range of sizes and capacities, so you may be having a hard time figuring out which dehumidifier is the right size for your space.
Can you measure relative humidity?
For temperature and relative humidity: Some people will actually get a humidity monitor to measure the relative humidity. It's useful if you need to keep the humidity below a certain %. For most humidity problems, the calculator lets you approximate relative humidity by how the room looks and feels.
Can I use a 70 pint dehumidifier over a 50 pint?
No, I usually recommend a 70-pint dehumidifier over a 50-pint or 30-pint, because it costs just $10 more, the Energy Star rating means it will use less electricity. If you set the desired humidity level, it will power on and off as needed.
