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  3. セイホープロダクツ 業務本部
  4. Reasons to reconsider "attic ventilation" before using the air conditioner.
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  • Jul 16, 2025
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Jul 16, 2025

Reasons to reconsider "attic ventilation" before using the air conditioner.

セイホープロダクツ セイホープロダクツ 業務本部
The reason the air conditioning isn't working well might be due to the roof. With the ongoing extreme heat, it's easy to lower the air conditioning temperature, but the causes of "not cooling" and "high electricity bills" may actually lie in the "attic." Japan's summers are becoming increasingly severe each year, and many households are likely struggling with the heat, especially on the second floor. In fact, the source of that heat is the heat trapped in the "attic." [Table of Contents] ■ The attic can get as hot as nearly 70°C in midsummer! ■ First, let the "heat in the attic" escape outside! ■ You can feel the effects at night! ■ Installation takes just one day; now is the chance before summer hits full swing! ■ This summer, let's start with "attic ventilation." Please be sure to read the [related materials] and [related links]. ↓ ↓ ↓
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Related Documents

小屋裏の湿気・結露対策。換気の重要性について.pdf[2722074]

Related Links

Reasons to Reconsider "Attic Ventilation" Before the Air Conditioner.|SEIHO PRODUCTS
About Attic Ventilation | Seihou Products for Underfloor and Attic Ventilation
Product Feature Page [Attic Ventilation Series] | Seihou Products Co., Ltd.
Product Explanation Video [Attic Ventilation Series] | Seihou Products Co., Ltd.

Related product

風之介ブロワー24セット無塗装.jpg

Cooling efficiency UP! 24-hour ventilation support system "Kazenosuke Blower 24"

A ventilation system that removes heat and condensation, prolonging the life of your home! It detects the temperature in the attic with a temperature sensor and allows for variable operation.

The "Kaze no Suke Blower 24" is a system that continuously ventilates the attic for 24 hours, preventing the inflow of chemicals into the indoor space by lowering the air pressure compared to the forced-ventilated interior, thereby creating a safe living environment. It detects the temperature in the attic with a temperature sensor and allows for variable operation. It also features a condensation mode that is effective in removing condensation. Additionally, it has obtained patents and design registrations, and has won a Good Design Award! 【Features】 ■ Discharges hot air and improves cooling efficiency Helps reduce excessive use of air conditioning, benefiting family health and saving on electricity bills. ■ Shuts out condensation By actively moving the air in the attic and minimizing temperature differences, it eliminates the causes of condensation, prolonging the lifespan of the house. ■ Supports the health of families and homes With high ventilation capacity, it effectively expels formaldehyde and VOCs from the attic to the outdoors. *For more details, please refer to the PDF document or feel free to contact us.

  • Ventilation system
  • Roof and gutter construction

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風之介かくはん24(追加用単体)無塗装01.jpg

Ventilation Series for the Shed: 'Kaze no Suke Kakuhan 24'

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

High functionality and innovative design backed by data. A large high-volume type of Sirocco fan is adopted to more effectively stir the air under the floor and in the ceiling space. The high-volume air blows out in four directions. With a unique scroll shape that minimizes waste, it achieves about twice the wind reach distance compared to conventional types, with a diameter of about 9 meters (wind speed 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. The controller with a temperature sensor detects the temperature in the ceiling space and switches between strong and weak operation. The newly designed high-performance two-speed motor operates at high power when the ceiling temperature rises, effectively exhausting heat. It operates at low power when the temperature drops. 【Features】 ○ Effective for heat and condensation measures in attic spaces ○ Automatically operates by sensing temperature For more details, please contact us or download the catalog.

  • Air conditioning equipment

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IPROS16985210816945536523.jpg

Cottage Ventilation Series "Kaze no Suke Blower Type"

Exhaust type + stirring type unit type

High functionality and innovative design backed by data. With a unique blower shape and intake design, it achieves approximately six times the static pressure compared to conventional models. The three-dimensional design with low air resistance and quiet operation effectively exhausts hot air. It can be easily installed by making a simple ∅100 hole in the ceiling, as it exhausts through a duct that can be freely extended and is connected to a pipe hood with a gable roof. 【Features】 ○ Effective for heat and condensation prevention in attics ○ Automatically operates by sensing temperature For more details, please contact us or download the catalog.

  • Roof and gutter construction
  • Unit and other construction

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風之介撹拌型(追加用単体).jpg

Attic Ventilation Series 'Kaze no Suke Mixing Type'

Effective for heat and condensation prevention in the attic.

With a unique design, the "Stirring Blower" has become even more powerful. It employs a large silencer-type Sirocco fan that effectively stirs the efficiently drawn-in air with a high air volume. The strong airflow is directed in six directions. Thanks to its efficient scroll shape, it achieves an air delivery range of approximately 5 meters in diameter. The body is made of lightweight and durable aluminum alloy, so there is no worry about rust. 【Features】 ○ Effective for countering heat and condensation in attics ○ Automatically operates by sensing temperature For more details, please contact us or download the catalog.

  • Air compressors, blowers and pumps

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Related catalog(5)

Attic Ventilation Series 'Kazunosuke'

Attic Ventilation Series 'Kazunosuke'

PRODUCT
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"Wind Noh Series" for heat prevention in the shed.

"Wind Noh Series" for heat prevention in the shed.

TECHNICAL
  • E-book viewing
  • Catalog download

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How does the temperature change with mechanical ventilation in the shed? [Kazenosuke Blower 24 / Kazenosuke Unit]

How does the temperature change with mechanical ventilation in the shed? [Kazenosuke Blower 24 / Kazenosuke Unit]

TECHNICAL
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Special Discussion: "Humidity and Condensation Measures in Attics. The Importance of Ventilation."

Special Discussion: "Humidity and Condensation Measures in Attics. The Importance of Ventilation."

OTHER
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"Wind Noh Series" for heat prevention in the shed.

"Wind Noh Series" for heat prevention in the shed.

PRODUCT
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  • Catalog download

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HK-2

Recommended for earthquake measures for automatic doors and equipment! Seismic device HK-2.

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  • PRODUCT

Japan is one of the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of major earthquakes occurring. Regarding the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake countermeasures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" For more details, please download the materials or contact us.

Aug 24, 2026

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Aroma production at a nightclub in Yokosuka City / Aroma production for nightclubs and cabarets is by Majesta Fragrance!

  • NEW
  • PRODUCT

We have introduced Majesta Fragrance to a nightclub in Yokosuka City, Kanagawa Prefecture, creating a fragrant atmosphere throughout the floor. The model we have introduced is the "MF-02S," which costs 8,800 yen per month (tax included). The scent you have chosen this time is "Sabon," a high-quality soap fragrance reminiscent of luxury hotel amenities. Its clean and transparent refreshing scent spreads throughout the entire floor, warmly welcoming customers who visit. By introducing scent design to the nightclub, we can enhance the extraordinary experience and create a memorable space that lingers not only visually but also through "scent." Majesta Fragrance offers a rental service for commercial aroma diffusers, and we also provide a free trial installation. If you are interested in scent design, please feel free to contact us.

Aug 21, 2026

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[Media Coverage Information] Air Conditioning Times July 8, 2026 Issue

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In the July 8, 2026 issue of Air Conditioning Times, we featured "Flex Chamber" and "SS Premier" in a duct special.

Aug 21, 2026

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Winner of the Environmental and Equipment Design Award!

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  • PRODUCT

SS Premier has won an award at the 24th Environmental and Equipment Design Awards. This award is organized by the General Incorporated Association of Architectural Equipment Comprehensive Association and recognizes outstanding efforts in environmental and equipment design. We will continue to strive for further improvements in quality and technology.

Aug 21, 2026

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The representative interview of b-search is now available in the "Vision Encyclopedia"!

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  • COMPANY

An interview article with Yoshinori Takada, President and CEO of bSearch Co., Ltd., has been published in the media "Vision Encyclopedia," which conveys the thoughts and backgrounds of business leaders. The article delves deeply into the background of transitioning from an ordinary student life to founding a company, as well as his unique winning pattern of "not pretending to be capable." It is filled with hints for achieving results in job hunting and work, so be sure to check it out! Vision Encyclopedia / bSearch Representative Interview - The Reason Why "Not Pretending to Be Capable" Leads to Trust This representative interview introduces a career story that will be useful for a wide range of people, from job seekers who want to know the tips for achieving results at work and those who truly want to meet companies that suit them, to companies and HR personnel looking to hire talented individuals and build strong organizations. You can find detailed insights on the perspective towards work in the interview article on "Vision Encyclopedia." ✨ ■ Check out the bSearch representative interview on "Vision Encyclopedia" here: https://vision-zukan.com/posts/bsearch/

Aug 21, 2026

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