2026年 April

9 Best dehumidifiers in 日本

Last Updated - 02/04/2026

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Best Choice
01

Sharp

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Sharp CV-R71-W Plasmacluster 7000 Dehumidifier and Clothes Dryer, 1.9 gal (7.1 L/day), Compressor Type, Compact Type, Energy Efficient, Suitable for Room Drying, Deodorizing
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Rated Dehumidification Capacity (50Hz/60Hz): 6.3/7.1 L/day
Plasmacluster applicable floor area (estimate): Approx. 13.5 sq ft (8 sq m)
Estimated electricity cost per clothing drying cycle: approximately 17 yen
Estimated Dehumidification Area: 50Hz 8 to 16 tatami mats (13 to 26 m²) / 60Hz 9 to 18 tatami mats (15 to 30 m²)
Clothing drying time (2 kg): About 180 minutes

￥20,800
02

Sharp
21% Off

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Sharp Clothes Dryer Dehumidifier CV-S71-W Compressor Type 7.1 L/day Compact Type Plasmacluster 7000 Energy Efficient Room Drying Deodorizing
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Rated Dehumidification Capacity (50Hz/60Hz): 6.3/7.1 L/day
Plasmacluster applicable floor area (estimate): Approximately 140 sq ft (8 tatami mats, approximately 13 m²)
Estimated electricity cost per clothing drying cycle: Approx. 17 yen
Dehumidification capacity estimate: 50Hz 8 to 16 tatami mats (13 to 26 sq m) / 60Hz 9 to 18 tatami mats (15 to 30 sq m)
Clothing drying time (2kg): Approx. 167 minutes

￥18,800 ￥23,800 21% Off
Best Value
03

Judout
39% Off

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Dehumidifier Compact [Dehumidification, Humidification, Air Purification Three-in-One] Powerful Peltier Type Dehumidifier and Humidifier Air Purifier with Humidity Setting, Negative Ion Function
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Package Contents】Dehumidifying air purifier (equipped with dust collection filter), drainage hose, instruction manual (with warranty), the cord is stored in the tank Additionally, it comes with a one-year manufacturer warranty In the correct usage, if there is any initial defect or other malfunction, please click on the store name on the product page and contact the store via the "Ask a question" button for a prompt response
【Humidity Setting Possible with Timer】You can finely set the humidity according to the room environment, and there is an auto mode that maintains the set value When the set humidity is exceeded, dehumidification operation, when the set humidity is below, humidification operation, when the set humidity is reached, only air purification operation Equipped with a 24-hour timer, it will automatically turn off when the time is reached It also has an automatic stop function when full, so you can rest easy even while sleeping or away
【3in1 Dehumidifier, Humidifier, and Air Purifier】Ideal for homes or single-person living spaces where there is no room for multiple devices such as dehumidifiers, humidifiers, and air purifiers This dehumidifier, humidifier, and air purifier in one unit can perform 3 functions, making it suitable for all seasons and purposes. Use it for dehumidification during the rainy season, humidification in winter, and air purification through ion emission during regular times, ensuring it works effectively throughout the year A compact and lightweight type that can be placed without taking up space in narrow rooms, making it easy to carry around, convenient for single living, and also useful for multiple rooms
Powerful Dehumidification, Mold & Condensation Prevention: The Peltier dehumidifier absorbs dampened air and allows condensation to remove excess moisture for a dry and comfortable space With a high power of 580ML/day, it provides speedy dehumidification, quickly solving various problems such as mold, condensation, and unpleasant odors caused by humidity Equipped with a detachable 1L large-capacity tank, it reduces the hassle of drainage, allows continuous drainage when the hose is connected, and eliminates the need for water disposal, enabling longer continuous operation For dry autumn and winter, you can fill the tank with water and use it as an ultrasonic humidifier
Ion Function & UV Disinfection Air Purification: The dust collection filter captures dust, pollen and other particles from the air, and the ion generator releases negative ions to remove airborne contaminants (secondhand smoke, oil smoke, fine dust) and other floating particles, and you can expect disinfecting and deodorizing effects, transforming your room into a refreshing space! When used as a humidifier, the UV light radiates inside the tank to remove bacteria from the water so you always have a clean mist to freshen the air

￥6,979 ￥11,439 39% Off
04

Imspace
37% Off

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Dehumidifier Compact Energy-saving 【2025 Latest Model · Rainy Season Countermeasure】 1500mL Large Capacity Water Tank Quiet for Narrow Spaces Moisture Control Mildew Prevention Compact 8~24 Hour Timer
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Energy-saving and low electricity cost】With an energy-saving design that can be used all year round, the electricity cost is only 16 yen even with 24-hour continuous operation! A reliable dehumidifier that is perfect not only for the rainy season but also for daily use
Timer Setting / Auto Shut-Off: Simple button operation and LED display make it easy to operate even for the elderly Utilize the timer function to set it before you leave for work, and have dehumidification complete when you return home When the water tank is full, it automatically stops, so you don't have to worry about water leaks even when you are out
Innovative semiconductor technology: This dehumidifier uses Peltier elements, a semiconductor thermoelectric element that transfers heat using electricity It works by cooling the air and causing condensation to remove moisture Dehumidification capacity is 350 ml per day, preventing mold growth and ideal for moisture and condensation control Can be used throughout the year for measures against humidity during the rainy season and summer, and condensation in winter 【Note】The rated dehumidification capacity of the dehumidifier is the dehumidification amount for one day (24 hours) under the conditions of room temperature 30℃ and relative humidity 80%
7-Color Ambient Light / Sleep Mode: Press the light button to switch between 7-color lights automatically or to select color modes It also features a "Sleep Mode" that can be safely used in the bedroom, with quieter operation that does not disturb your sleep
(1.5L Large Capacity, Hassle Free) This small dehumidifier uses a transparent water tank so you can check the amount of water in the tank at a glance Equipped with a 1.5L large-capacity detachable water tank, it only needs to be drained once a week With a handle, it is easy to carry, making it perfect not only for living rooms and bedrooms, but also for narrow spaces such as bathrooms, washrooms, closets, and shoe boxes

￥3,977 ￥6,280 37% Off
05

YAMAZEN
18% Off

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Yamazen EDC-H601(B) Dehumidifier, Clothes Dryer, Dehumidifier, Compressor Type, Small Size, Powerful Dehumidification, Dehumidification Amount of 1.8 gal (6.0 L), Clothes Mode, Off Timer, With Casters
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Product Specifications】▪ Dimensions: Width 29 × Depth 25 × Height 50 cm ▪ Weight: 10.8 kg ▪ Power cord length: 1.8 m ▪ Power supply: AC 100 V (50/60 Hz) ▪ Power consumption: 185/210 W (50/60 Hz) ▪ Warranty period: 1 year from the date of purchase (Please refer to the instruction manual for warranty coverage.) Note: Failures and damages caused by use outside of general household purposes (such as commercial use) are not covered by the warranty
【Dehumidification Mode】Operates in dehumidification mode to maintain humidity within a set range of 40% to 70% in 5% increments You can make detailed settings according to the room conditions and your preferences, so you can always maintain a comfortable environment
【Dehumidification Function】▪ Estimated dehumidification area: Wooden building: 6-jo (100.8 sq ft) / Prefabricated building: 10-jo (165.3 sq ft) / Reinforced concrete: 13-jo (214.2 sq ft) (50Hz), Wooden building: 7-jo (116.9 sq ft) / Prefabricated building: 11-jo (183.6 sq ft) / Reinforced concrete: 14-jo (226.6 sq ft) (60Hz) ▪ Tank capacity: Approximately 4.5L ▪ Dehumidification method: Compressor type ▪ Rated dehumidification capacity: 5.0L/day (50Hz), 6.0L/day (60Hz)
【Compressor-type Dehumidifier】A compressor-type dehumidifier that is strong in dehumidifying in high temperatures Perfect for rainy and summer seasons where moisture is a concern Another feature of the compressor type is its high energy-saving effect, which allows for low power consumption even when used in conjunction with other household appliances
【Clothing Mode】Equipped with a clothing mode that supports indoor drying With a one-touch operation, it operates at a pre-set humidity level and airflow, quickly drying even clothes dried indoors Additionally, with two louvers installed, the airflow is directed towards the laundry, efficiently drying clothes, and the airflow direction can be adjusted up to 90 degrees, allowing for targeted airflow on the laundry

￥13,700 ￥16,800 18% Off
06

Iris Ohyama

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Iris Ohyama IJD-I50 Dehumidifier, Clothes Dryer, Desiccant Type, 33.8 sq ft (13 tatami), Circulator, Dehumidifier, Dehumidifier, 1.3 gal (5 L), Timer, Speed Drying, Quiet Design, Large Capacity,
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Weight: 17.8 lbs (7.8 kg)
The lid shape of the disposal tank has been changed to improve its seal, so you can easily drain it with one hand
Product Size (W x D x H): Approx. 11.2 x 9.3 x 25.2 inches (28.7 x 23.4 x 64
Power consumption: 590 W
Estimated dehumidification area / Wood: 10 m2 (6 tatami), PreHub: 16 m2 (10 tatami), Rebar Concrete: 21 m2 (13 tatami)
AC 100 V, 50/60 Hz; Tank Capacity: Approx. 2.5 L; Operating Temperature: 0 - 40 °C; Cord Length: Approx. 4.6 ft (1.6 m); Dehumidification Function: Decicant; Oscillation Mode: 50°, 70°, 90°; Strength Selection (Circulator/Dehumidifier): Each: Weak / Medium/ Strong; Disconnect Timer: 2, Medium, Strong

￥17,980
07

YAMAZEN

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Yamazen Dehumidifier for Clothes Drying, Compressor Type, Small, Powerful Dehumidification, 3.8L Dehumidification Capacity, Timer, Sleep Mode, White YDC-J03(W)
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Product Specifications】▪ Main unit size: Width 25.3 × Depth 18.5 × Height 34 cm ▪ Main unit weight: 6.6 kg ▪ Power cord length: 1.6 m ▪ Power supply: AC 100 V (50/60 Hz) ▪ Power consumption: 110/120 W (50/60 Hz) ▪ Warranty period: 1 year from the date of purchase (Please check the manual for the scope of the warranty.) Note: Failures and damages caused by use outside of general household purposes (such as commercial use) are not covered by the warranty
【Dehumidification Function】▪ Estimated dehumidification area: Wooden building: 66.8 sq ft (4 tatami)/ Prefabricated western room: 102.2 sq ft (6 tatami)/ Reinforced concrete: 148.8 sq ft (8 tatami) (50Hz), Wooden building: 83.6 sq ft (5 tatami)/ Prefabricated western room: 116.9 sq ft (7 tatami)/ Reinforced concrete: 161.5 sq ft (10 tatami) (60Hz) ▪ Tank capacity: about 1.7L ▪ Dehumidification method: Compressor type ▪ Rated dehumidification capacity: 3.0L/day (50Hz), 3.8L/day (60Hz)
【Compressor-type Dehumidifier】A compressor-type dehumidifier that is strong in dehumidifying at high temperatures Perfect for rainy and summer seasons where moisture is a concern Moreover, the compressor type is characterized by its high energy-saving effect, and even when used in conjunction with other appliances, it can keep the power consumption low
Sleep Mode/Auto-Off Timer Operation: Equipped with sleep mode operation that dims the control panel and lamp, and performs dehumidifying operation to maintain 40% humidity at "low fan speed", allowing you to enjoy a comfortable space even during sleep It also has a shut-off timer that can be set in 1 hour increments from 1 to 8 hours
Humidity Settings: This dehumidifier mode is operated to maintain humidity with a range of 40-70% in increments of 5% You can set it finely according to the room conditions and your preference, so you can always maintain a comfortable environment

￥10,980
08

Boweer

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Boweer Dehumidifier Large Capacity 3L, 1L/Day Dehumidification Capacity 【Iron Reinforced 15 tatami mats / Wooden 7 tatami mats】 Dehumidifier for Room Drying, Moisture Absorption, Mildew Prevention
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Simple and stylish appearance, space-saving and easy-to-use dehumidifier】Features a simple and stylish design It can be placed anywhere, making it easy to use even in narrow spaces, and blends perfectly with any environment regardless of where it is installed Easy to install in spaces where humidity is a concern, such as entryways, closets, and washrooms Moreover, the back of the dehumidifier has a handle, making it convenient to carry
【Peace of Mind After-Sales Service】We have made every effort to create a store that gives customers maximum peace of mind when shopping If you have any questions about the product, or if the product malfunctions, please feel free to contact us at any time Enjoy your shopping! All products come with a full guarantee + meticulous customer service (Japanese support) * Inquiry method: ① Contact us using the contact method listed on the after-sales service card or the instruction manual ② "Order history" → "Relevant order" → "Contact the seller" *Support within 24 hours Closed: Saturday, Sunday, and holidays
【Note】: ① Dehumidification performance is affected by temperature, humidity, and the actual usage area ②When using this product, since it has a certain dehumidifying function based on the operating principle of air conditioners, please do not use it together with an air conditioner ③ When using this product, ensure that windows and other openings are closed to prevent humid outdoor air from entering the room If you do not close windows and doors, the dehumidifier will dehumidify while simultaneously humidifying with damp outdoor air, resulting in no change in indoor humidity ④ Before using, you must securely connect the power cord to the power interface at the back of the dehumidifier all the way in If the power cord is loose, it may not supply power properly
【7-color Ambiance Light and Even Quieter Sleep Mode】Press the light button on the dehumidifier control to switch between 7 colors of ambiance light Press and hold the light button to turn off the ambient light Pressing the sleep button turns off the ambient light and reduces the operating noise of the dehumidifier to 35 dB (from 40 dB), ensuring it does not disturb your sleep The quiet design suppresses noise and vibration during operation, so you can use it without worry at home or in the office
【3L Large Capacity Tank・Automatic Stop・Full Water Notification】The dehumidifier has a transparent water tank at the bottom, and a front water level window shows the water level line, making the amount of accumulated water clearly visible With a large capacity of 3L, you won't have to worry about frequently emptying the water The dehumidifier does not require worry even when full of water, it comes with a function that automatically stops when full At the same time, the lamp will notify you with a red flashing light
【2023 New model, powerful dehumidification, electricity cost of just 1.57 yen per hour of dehumidification】Compared to the previous model, it has double the dehumidification capacity, achieving a maximum dehumidification capacity of 1L/day (under environmental conditions of room temperature 30℃, relative humidity 80%) Suitable for up to 15 tatami mats (15 tatami mats for reinforced concrete / up to 7 tatami mats for wooden structures), it is perfect for the rainy season when indoor humidity is a concern With a power consumption of 60W, it helps you save on electricity costs, costing only 1.57 yen per hour, making it wallet-friendly!
Peltier type dehumidifier is a dehumidifier that uses a [Peltier element], which is also used for cooling PC CPUs and small refrigerators It uses a Peltier element to cool the humid air, condense it, and turn it into water droplets The Peltier-type dehumidifier's dehumidification capacity changes depending on the ambient temperature and humidity.' The lower the ambient temperature and humidity, the weaker the dehumidification power becomes In low-temperature environments, frost will form on the cooling plate When frost accumulates on the cooling plate, the dehumidifier will stop Once the frost melts, the dehumidifier will start operating again

￥9,999
09

IBAYS
10% Off

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Clothes Dryer, Dehumidifier, Compact, Quiet, Dehumidification Capacity, 3.3 gal (1 L) per Day, 0.7 gal (2.5 L) Water Tank, Powerful Dehumidification, Reinforcements, 15 tatami mats, Wood, Temperature
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Temperature / Humidity Display / Power Saving Design: The LED display allows you to check the temperature and humidity of the room in real time. There is no need to have a separate thermometer/hygrometer, this one unit serves multiple roles. Power consumption is approximately 60 W when operating normally, and the electricity bill is approximately 1.57 yen per hour. In sleep mode, the power consumption is reduced to about 48 W, making it even more quiet and energy saving. You can use it every day without worrying about your electric bill
Space-saving design and can be installed in a variety of locations: Adopts a simple and sophisticated design that will naturally blend into your surrounding space regardless of where it is placed. Compact and portable so you can easily move it where you need it. Works comfortably in studios, bedrooms, closets, bathrooms, and even in limited space
Peltier System, High Dehumidification Performance up to 3.3 gal (1 L) per day; Powerful Compact Dehumidifier: This product is a small semiconductor dehumidifier with improved Peltier system. Quickly trap excess moisture from the air, leading a humid interior to a comfortable, dry space. Provides dehumidification capacity up to approximately 33.8 fl oz (1,000 ml) per day at room temperature of 80% relative humidity. While achieving energy saving performance and small size, it also comes with clothes drying features not found in conventional Peltier dehumidifiers. It shortens drying time and reduces the occurrence of odor even during rainy seasons, such as when laundry is difficult to dry out. In addition, the negative ion generating function reduces odors in the air and efficiently dries clothes while keeping them clean
7 Color Mood Light, Silent Sleep Mode: Press the light button on the control panel to switch between 7 mood lights. You can also turn the light off. Choose sleep mode to turn off the mood light and further reduce driving noise. Provides a comfortable sleep environment without noise while sleeping. The quiet design reduces vibration and noise of operation, so you can use it with confidence not only at home but in the office
(0.7 gal (2.5 L) Large Capacity Tank, Automatic Shut-Off, Automatic Drainage Supported) Equipped with a large 2.5 qt (2.5 L) water tank, reducing the hassle of frequent drainage. The front water level window allows you to check the amount of water in the tank at a glance. Connect the included drain hose to support continuous automatic drainage. Safety design when the tank is full of water, the red light will turn on and automatically shut off. No need to worry about water leakage even when you are not in use

￥7,198 ￥7,999 10% Off

9 Best dehumidifiers in 日本

Sharp CV-R71-W Plasmacluster 7000 Dehumidifier and Clothes Dryer, 1.9 gal (7.1 L/day), Compressor Type, Compact Type, Energy Efficient, Suitable for Room Drying, Deodorizing

Sharp Clothes Dryer Dehumidifier CV-S71-W Compressor Type 7.1 L/day Compact Type Plasmacluster 7000 Energy Efficient Room Drying Deodorizing

Dehumidifier Compact [Dehumidification, Humidification, Air Purification Three-in-One] Powerful Peltier Type Dehumidifier and Humidifier Air Purifier with Humidity Setting, Negative Ion Function

Dehumidifier Compact Energy-saving 【2025 Latest Model · Rainy Season Countermeasure】 1500mL Large Capacity Water Tank Quiet for Narrow Spaces Moisture Control Mildew Prevention Compact 8~24 Hour Timer

Yamazen EDC-H601(B) Dehumidifier, Clothes Dryer, Dehumidifier, Compressor Type, Small Size, Powerful Dehumidification, Dehumidification Amount of 1.8 gal (6.0 L), Clothes Mode, Off Timer, With Casters

Iris Ohyama IJD-I50 Dehumidifier, Clothes Dryer, Desiccant Type, 33.8 sq ft (13 tatami), Circulator, Dehumidifier, Dehumidifier, 1.3 gal (5 L), Timer, Speed Drying, Quiet Design, Large Capacity,

Yamazen Dehumidifier for Clothes Drying, Compressor Type, Small, Powerful Dehumidification, 3.8L Dehumidification Capacity, Timer, Sleep Mode, White YDC-J03(W)

Boweer Dehumidifier Large Capacity 3L, 1L/Day Dehumidification Capacity 【Iron Reinforced 15 tatami mats / Wooden 7 tatami mats】 Dehumidifier for Room Drying, Moisture Absorption, Mildew Prevention

Clothes Dryer, Dehumidifier, Compact, Quiet, Dehumidification Capacity, 3.3 gal (1 L) per Day, 0.7 gal (2.5 L) Water Tank, Powerful Dehumidification, Reinforcements, 15 tatami mats, Wood, Temperature

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