en.Wedoany.com Reported - Soler & Palau has launched a distributed ventilation solution named NARAH, which integrates energy recovery functionality, designed to improve indoor air quality in residential spaces efficiently and quietly without complex installation. This new system is particularly suitable for renovation projects and homes where ductwork installation is not feasible, enabling continuous air renewal in each room without invasive modifications to the building.
As a distributed ventilation solution equipped with energy recovery, NARAH is designed to promote ventilation and air renewal in each room. The product has obtained an Environmental Product Declaration (EPD), making Soler & Palau the first Spanish company to issue such a declaration for a distributed ventilation system, with EPD number 31393 Environdec.
In many homes, especially in renovation projects or spaces where ductwork cannot be installed, ensuring adequate air renewal remains a technical and functional challenge. Insufficient ventilation can lead to the accumulation of carbon dioxide, moisture, and pollutants, thereby affecting thermal comfort and occupant health. NARAH was designed to meet this growing need: providing a practical and technically reliable solution to improve indoor air quality without altering the spatial structure, positioning ventilation as a key element in enhancing residential comfort.
The working principle of NARAH is based on a Push-Pull supply and exhaust system, using a reversible fan that alternates operation to maintain a constant airflow rate over two cycles. The device can efficiently and quietly renew indoor air without the need for ducts or diffusers. At the same time, its high-efficiency ceramic heat exchanger achieves an energy recovery rate of up to 95%, helping to maintain indoor temperature and reduce energy consumption. The device has an airflow range of 15 to 60 cubic meters per hour, with 4-speed adjustment, and consumes only 3.4 watts at maximum speed. The filter is ISO Coarse 60% grade, with an optional ePM1 55% F7 filter (accessory sold separately) to further improve air quality. Additionally, the product is equipped with a telescopic duct that can adapt to different wall thicknesses.
NARAH supports wireless synchronization of multiple units and can integrate carbon dioxide, volatile organic compound (VOC), and humidity sensors, offering connectivity and remote control capabilities. The device features a digital display and remote control for easy startup and daily operation. Its intelligent algorithm automatically adjusts the operating mode based on humidity, while the modular architecture allows the solution to be expanded room by room according to residential needs. For architects, engineers, and installers, this is an easy-to-integrate residential ventilation solution, particularly useful in renovation and energy optimization projects where installation simplicity and system reliability are critical.
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