Underfloor ventilation fan Product List and Ranking from 5 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

Underfloor ventilation fan Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. 環境資材 Kochi//Building materials, supplies and fixtures manufacturers
  2. null/null
  3. セイホープロダクツ 業務本部 Fukuoka//Building materials, supplies and fixtures manufacturers
  4. 4 ソーラー・カンキ社 Yamanashi//others
  5. 5 ツシマエレクトリック Hiroshima//Building materials, supplies and fixtures manufacturers
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Underfloor ventilation fan Product ranking

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. Underfloor ventilation fan "Asset Fan (exhaust and supply type)" 環境資材
  2. Exhaust Type Ventilation Fan "Super Clean 2"
  3. Underfloor ventilation fan "Asset Fan (Mixing Type)" 環境資材
  4. 4 Underfloor ventilation fan "Super Kenko Fan" 環境資材
  5. 5 Underfloor ventilation fan "Turbine Blower" 環境資材

Underfloor ventilation fan Product List

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Comparison of moisture content in underfloor support timber

Comparison of moisture content in underfloor support timber

When the moisture content exceeds 20-25%, wood decay is more likely to occur.

We conducted an experiment on how completely dried wood is affected by the ventilation conditions under the floor in a test house. Initially, the moisture content rises as it absorbs moisture from under the floor, but in the case of having a "subfloor ventilation fan" installed, the moisture content of the posts stabilizes at around 20%, as shown in the graph in the image. It can be seen that the moisture content is about 5% lower compared to when there is no "subfloor ventilation fan." 【Test Overview】 <Comparison of Moisture Content in Subfloor Posts in the Test House> ■ Duration: May 24, 2003 - July 27, 2003 ■ Post Size: 105×400mm, measuring 3 posts, the graph shows the average moisture content of the 3 posts ■ Measuring Equipment: Sanko Electronic Research Institute Co., Ltd. Moisture Meter MR-200 *For more details, please refer to the PDF document or feel free to contact us.

  • Ventilation system
  • Underfloor storage unit
  • Underfloor ventilation fan

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Product Special Feature Page <PDF Materials Provided>

Product Special Feature Page <PDF Materials Provided>

Explanation of the usefulness of underfloor ventilation, underfloor dehumidification, attic ventilation, and security.

This document introduces the usefulness of underfloor and attic ventilation using products such as the "Underfloor Ventilation Basic Series" and the "Underfloor Dedicated Dehumidifier Dry Pro." By removing moisture from the foundation materials of the house, it not only suppresses mold and decay but also includes verification data showing improvements in insulation effectiveness. Additionally, it features a digital timer for detecting underfloor flooding and leaks, as well as information about our regular safety inspections for long-term use. 【Contents of the Document (Excerpt)】PDF Document (Various: Approximately 3-2MB) ■ Building trust with underfloor ventilation fan users ■ "Kazenosuke Series" for attic heat countermeasures ■ Remote live inspection service ■ Starting with moisture control under water areas ■ Optimal security tailored to family structure and lifestyle ■ Advancing safety inspections for long-term use underfloor and attic ventilation fans ■ How does mechanical ventilation in the attic change temperature? ■ Moisture issues in underfloor insulation construction methods ■ Moisture issues in underfloor packing construction methods ■ Hybrid system feature *For more details, please refer to the document. Feel free to contact us as well.

  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Solar Underfloor Ventilation Fan 'FU-002'

Solar Underfloor Ventilation Fan 'FU-002'

Dual power supply with solar power generation and commercial power. Made with corrosion-resistant stainless steel 304, it also excels in durability.

The "FU-002" is an eco-friendly underfloor ventilation fan that can adapt to any situation, utilizing solar power during dry times and commercial power during humid periods or at night. It is possible to switch to commercial power (manually) during non-sunny times. There is almost no need for maintenance. Additionally, it uses corrosion-resistant stainless steel 304, which provides excellent durability. 【Features】 ■ Dual power source: solar and commercial ■ Low running costs with high-performance DC fan ■ Minimal maintenance required ■ Safe and secure operation with solar power when unoccupied ■ No risk of fire due to low voltage *For more details, please refer to the PDF document or feel free to contact us.

  • Ventilation system
  • Underfloor ventilation fan

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Underfloor ventilation fan "Super Kenko Fan"

Underfloor ventilation fan "Super Kenko Fan"

Protect your home from humidity! A floor ventilation fan with excellent static pressure capability and high air volume!

The "Super Kenko Fan" is a subfloor ventilation fan that protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtightness houses. It features a Panasonic motor unit. With a large airflow and excellent static pressure capability, it achieves powerful ventilation with a sirocco type design. Furthermore, it is the only sirocco fan used for commercial purposes among the vent-mounted types. 【Features】 ■ Panasonic motor unit ■ Powerful ventilation with a large airflow and excellent static pressure capability in a sirocco type design ■ The only sirocco fan used for commercial purposes among vent-mounted types *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Turbine Blower"

Underfloor ventilation fan "Turbine Blower"

Protect your home from humidity! Underfloor ventilation fan with optional nozzle available!

The "Turbine Blower" is a floor ventilation fan that protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. As optional nozzles, we offer the "Slim Nozzle" compatible with the foundation packing method and the "Pipe Hood." It features a motor with a built-in temperature overheat prevention device. One unit can achieve an effective ventilation area of 8 to 10 tsubo. [Optional Nozzles] ■ "Slim Nozzle" compatible with the foundation packing method ■ Pipe Hood *For more details, please refer to the PDF materials or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Single Unit Turbine Diffuser"

Underfloor ventilation fan "Single Unit Turbine Diffuser"

Introducing a turbine diffuser effective against decay fungi and mold!

The "Single Unit Turbine Diffuser" is a floor ventilation fan that protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. This product features a diffusion-type blower with phytoncide, capable of covering an area of 8 to 10 tsubo with just one unit. 【Specifications】 ■ Model: HB-400PD-J ■ Rated Voltage: AC100V ■ Frequency: 50/60Hz ■ Power Consumption: 26/30W ■ Air Volume: 209/200m3/h ■ Static Pressure: 180/191Pa ■ Noise Level: 45/44dB ■ Weight: Approximately 3.2kg ■ Coverage Area: 8 to 10 tsubo per unit *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Single Unit Turbine Wind"

Underfloor ventilation fan "Single Unit Turbine Wind"

Protect your home from humidity! 360-degree ventilated air blower with phytoncide.

The "Standalone Turbine Wind" is a stirring type underfloor ventilation fan that can provide 360-degree ventilation. It protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. Additionally, it is effective for addressing moisture and condensation under the floor. It detects the amount of water vapor (absolute humidity) and operates automatically. 【Features】 ■ Stirring type blower with phytoncide ■ 360-degree ventilation capability ■ Reduces the occurrence of mold, decay fungi, and pests in high airtight houses ■ Effective for moisture and condensation control under the floor ■ Automatically operates by detecting the amount of water vapor (absolute humidity) *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "CS Solar"

Underfloor ventilation fan "CS Solar"

Protect your home from humidity! Solar-powered ventilation system with cross-flow fan.

"CS Solar" is a solar-powered ventilation system. While it is a solar fan, it employs a cross-flow fan, providing sufficient ventilation capacity. Additionally, the stainless steel ventilation fan and aluminum alloy solar unit can be combined for easy installation, such as when attaching to a vent in the attic. 【Features】 ■ Solar-powered ventilation system ■ Available in exhaust and intake types ■ Utilizes a cross-flow fan ■ Sufficient ventilation capacity ■ When installing on a floor vent, the module can be extended with a jumper wire *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Solar power generation equipment
  • Underfloor ventilation fan

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Underfloor Ventilation Fan "Cross Shooter"

Underfloor Ventilation Fan "Cross Shooter"

Protect your home from humidity! A 360-degree ventilating all-direction stirring air supply system.

The "Cross Shooter" is a stirring type underfloor ventilation fan that can ventilate in 360 degrees. It protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. 【Features】 ■ All-direction stirring airflow system ■ 360-degree ventilation ■ Reduces the occurrence of mold, decay fungi, and pests in high airtight houses ■ Built-in temperature fuse in the motor ■ Power cord with programmable timer/leakage protection plug (optional) *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor Ventilation Series "Fuutaro 20W"

Underfloor Ventilation Series "Fuutaro 20W"

Classic all-stainless steel panel type

The Fuutaro panel type is powerful and features a silent design. Additionally, it is made of high-quality stainless steel, ensuring it does not detract from the appearance of your home. It forcibly exhausts moisture from under the floor, controlling the occurrence of unpleasant pests and mold. It is even more effective when used in conjunction with a mixing type blower. The 5-year long-term warranty guarantees peace of mind. This is the most popular model for underfloor ventilation. 【Features】 ○ Prevents the breeding of pests under the floor ○ Prevents condensation and extends the lifespan of the building ○ Creates a comfortable indoor environment For more details, please contact us or download the catalog.

  • Air compressors, blowers and pumps
  • Underfloor ventilation fan

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Underfloor Ventilation Series "Turbine Unit Type Bi"

Underfloor Ventilation Series "Turbine Unit Type Bi"

Exhaust type + stirring type unit type

The system detects the amount of water vapor (absolute humidity) and independently controls the exhaust ventilation system and the mixing fan. When there is a high amount of water vapor, only the mixing fan operates, and when it is low, the exhaust ventilation system operates in conjunction to bring in dry air from below the floor. POINT 1: Optimal independent operation of exhaust and air supply using absolute humidity sensors POINT 2: Optimal deodorization operation with standard phytoncide POINT 3: Detects abnormalities in the underfloor ventilation fan and water issues, displaying them on the controller. 【Features】 ○ Effective for underfloor moisture, condensation, and mold prevention ○ Powerful exhaust and mixing For more details, please contact us or download the catalog.

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  • Ventilation system
  • Unit and other construction
  • Air compressors, blowers and pumps
  • Underfloor ventilation fan

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Underfloor Ventilation Series "Futaro Mixing 24"

Underfloor Ventilation Series "Futaro Mixing 24"

24-hour ventilation (strong/weak, switchable) type

High functionality and innovative design backed by data. A large-capacity sirocco fan of the high airflow type is adopted to more effectively stir the air under the floor and in the ceiling. The powerful airflow is expelled in four directions. With a unique scroll shape that minimizes waste, it achieves approximately twice the wind reach distance compared to conventional models, with a diameter of about 9 meters (wind speed of 0.5 m/s). The three-dimensional design with low air resistance and quiet operation smoothly draws in heavy, moisture-laden air. The body is made of lightweight and durable aluminum alloy, eliminating concerns about rust. 【Features】 ○ Effective for moisture, condensation, and mold prevention under the floor ○ Powerful exhaust and mixing For more details, please contact us or download the catalog.

  • Special flooring/indoor
  • Underfloor ventilation fan

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Solar Underfloor Ventilation Fan Yukaikun Y2

Solar Underfloor Ventilation Fan Yukaikun Y2

When sunlight hits the solar panels, the ventilation fan installed in the underfloor vent spins vigorously, forcibly sucking out the moisture from beneath the floor.

It protects your important home and family from humidity. (Condensation, mold, rot, termites, snails, centipedes, slugs, etc.) It operates only on sunny days with sunlight and does not run on rainy days, making it efficient by not absorbing humidity. Since it utilizes clean and inexhaustible sunlight, there are no electricity costs at all. The installation of the ventilation fan unit involves removing the existing vent, making it easy to install. There is no risk of electric shock due to the low power voltage. The ventilation fan uses two waterproof fans per three units, equipped with stainless steel mesh for long life! It is quiet yet has a high airflow, effectively sucking out humidity.

  • Waterproofing work
  • Unit and other construction
  • Prefab
  • Underfloor ventilation fan

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Underfloor ventilation fan "Karatto"

Underfloor ventilation fan "Karatto"

A solar-powered underfloor ventilation fan that operates without a switch and stops running during rainy days or at night when humidity is high, preventing moisture from entering.

A solar-powered ventilation fan that requires no electricity costs or switch operation, a solar underfloor ventilation fan. This fan can reliably solve the mold and moisture problems under residential floors. Utilizing solar power, it stops operating at night and on rainy days, preventing moisture intake, and features a high airflow solar ventilation fan. With a stainless steel vent cap design, it completely shuts out rainwater, wind, and insects, while also having a sleek appearance. Its round shape makes duct installation easy and hassle-free.

  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Hybrid solar underfloor ventilation fan

Hybrid solar underfloor ventilation fan

A hybrid type of underfloor ventilation fan that can operate on solar power and switch to commercial power, convenient for operation during winter in heavy snowfall areas and at night.

A hybrid solar underfloor ventilation fan that can operate at any time when necessary. The underfloor ventilation fan can switch to commercial power during nighttime without sunlight or in heavy snowfall areas when it cannot generate electricity, and it can be operated with a timer setting. During sunlight, it utilizes solar power, making it an eco-friendly hybrid solar underfloor ventilation fan that incurs no electricity costs.

  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Asset Fan (exhaust and supply type)"

Underfloor ventilation fan "Asset Fan (exhaust and supply type)"

Protect your home from humidity! We offer exhaust and intake type underfloor ventilators!

The "Asset Fan (Exhaust and Supply Type)" is a floor ventilation fan that protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. The standard panel size is 480mm in width and 220mm in height. We offer both "Exhaust Type" and "Supply Type." 【Specifications (Exhaust Type)】 ■ Rated Frequency: 50/60Hz ■ Rated Power Consumption: 12/14W ■ Ventilation Airflow: 193/215m3/h ■ Weight: Approximately 2.8kg *For more details, please refer to the PDF materials or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Asset Fan (Mixing Type)"

Underfloor ventilation fan "Asset Fan (Mixing Type)"

Protect your home from humidity! We offer two types of stirring-type underfloor ventilators: suspended and stationary!

The "Asset Fan (Stirring Type)" is a floor ventilation fan that protects your home from humidity and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. The main body dimensions are 330mm in width and 124.5mm in height. You can choose between two types: hanging and standing. 【Height dimensions when installing brackets】 ■ Hanging type: 263mm ■ Standing type: 195–207mm *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor ventilation fan "Catch Fan"

Underfloor ventilation fan "Catch Fan"

Protect your home from humidity! A floor ventilation fan with a stainless steel outer casing!

"Catch Fan" is a subfloor ventilation fan that protects your home from moisture and reduces the occurrence of mold, decay fungi, and pests in high airtight houses. This product is an exhaust fan only. It uses a capacitor-run single-phase induction motor. The outer casing is made of stainless steel (SUS304). 【Specifications】 ■ Model: ACF-310 ■ Rated Voltage: AC100V (50/60Hz) ■ Airflow Method: φ90mm×188R Cross Flow Fan ■ Motor: Capacitor-run single-phase induction motor ■ Outer Casing Material: Stainless Steel (SUS304) *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Ventilation and smoke exhaust equipment
  • Underfloor ventilation fan

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Underfloor moisture prevention measures

Underfloor moisture prevention measures

An important part that supports your home! How about checking the often overlooked space under the floor?

If the airflow under the floor is poor, moisture tends to accumulate, leading to mold growth and wood decay, creating a favorable environment for termites. Once wood has rotted, it cannot be restored to its original state. The area under the floor is crucial for supporting the home; if the foundation or pillars lose their original strength, it can be a serious issue. Why not take a moment to investigate the often-overlooked space beneath your floor? 【Types of Measures】 ■ For damp, humid areas under the floor: Moisture-proof charcoal ■ For concrete floors with poor ventilation: Underfloor ventilation fan ■ For areas under the floor where moisture and termites are a concern: Anti-termite and moisture-proof sheets *For more details, please refer to the PDF materials or feel free to contact us.

  • Other flooring materials
  • Other services and technologies
  • Underfloor ventilation fan

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