Ductless Type 1 Ventilation System passiv Fan
Ductless Type 1 Ventilation System Passive Fan
Type 1 ventilation is not high.
<Resolving the Issues of Type 1 Ventilation All at Once> High-performance building materials such as insulation, resin sashes, and Type 1 ventilation are essential for energy-efficient homes, but the adoption of Type 1 ventilation has been slow. Reasons include "high electricity costs," "difficult duct installation," "limitations on space design," and "troublesome maintenance." However, with the introduction of the ductless passiv Fan, which boasts a heat exchange rate of 90%, all these issues have been resolved. ■ Electricity costs are about half of conventional Type 1 ventilation In a comparison of a 40-tsubo wooden house, the annual electricity cost for conventional Type 1 ventilation is about 8,000 yen. The passiv Fan has miniaturized the fan, significantly reducing power consumption to about 4,100 yen, which is half the cost. This is equivalent to the electricity cost of Type 3 ventilation. With a maximum heat exchange rate of 90%, the power consumption for air conditioning and other climate control systems is also greatly reduced. After deducting the savings in power consumption, maintenance costs, and utility expenses, it results in an annual net savings of 10,480 yen (according to manufacturer data). ■ Improved construction and design flexibility Since the Achilles' heel of Type 1 ventilation, "duct installation," is not required, construction and design flexibility have significantly improved. Being made in Japan, it is compatible with traditional and 2x4 construction methods. Additionally, compared to German products, it has higher quietness performance and is more compact.
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basic information
■Free space design not constrained by ducts Since it is compact and does not use ducts, it does not interfere with space design. Designs such as atriums, skip floors, lofts, and sloped ceilings can be created freely. Moreover, the ventilation volume calculation can be done at 25㎥/h per ventilation unit, so even if there are minor changes in the plan, there is no need to recalculate the execution budget. It does not trouble the designer. ■Homeowners can perform maintenance themselves Due to its simple structure, homeowners can clean and maintain it themselves while remaining indoors. Conventional first-class ventilation systems with ducts run through attics, requiring maintenance once or twice a year that involves opening up the ceiling or floor for cleaning. Hiring a contractor for this naturally incurs additional costs. The passiv Fan's thermal storage element is removable and can be cleaned with water once a year. There is no need to regularly replace paper filters like conventional products, which helps reduce unnecessary expenses aside from electricity costs. Additionally, since it is made in Japan, it provides peace of mind for after-sales support, such as inquiries and parts ordering, compared to products from overseas manufacturers that are common in ductless systems.
Price range
P3
Delivery Time
※Delivery usually takes about 1 week to 10 days. Some options may take around 2 weeks.
Applications/Examples of results
■Single-family house ■Building/Apartment, etc.
Line up（2）
| Model number | overview |
|---|---|
| PFB150s JKR | ※Compatible wall thickness 155mm to 325mm |
| PFB150f JKR | ※Compatible wall thickness 130mm to 325mm |
catalog（1）
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Company information
We carefully select and propose excellent building materials for homes from the perspective of energy conservation and eco-friendliness.
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