{"id":3157,"date":"2026-07-06T15:21:09","date_gmt":"2026-07-06T07:21:09","guid":{"rendered":"https:\/\/www.kcvents.com\/products\/wall-window-exhaust-fan-panel-j\/"},"modified":"2026-08-21T21:44:48","modified_gmt":"2026-08-21T13:44:48","slug":"wall-window-exhaust-fan-panel-j","status":"publish","type":"product","link":"https:\/\/www.kcvents.com\/fr\/produits\/wall-window-exhaust-fan-panel-j\/","title":{"rendered":"Wall \/ Windows EC Fan (WIFI)"},"content":{"rendered":"
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System Overview<\/span><\/h2>\r\n
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Wall \/ Windows EC Fan (WIFI) is a Panel-J wall\/window exhaust fan for rooms that need simple ventilation without a full duct system.<\/p>\r\n

The ecvents source defines two practical configurations: a reversible airflow version for intake and exhaust flexibility, and a backdraft damper version for exhaust-only rooms that need return-air protection.<\/p>\r\n

With EC motor efficiency, 5-stage speed control and wall\/window mounting, it suits bathrooms, kitchens, garages, RVs and household spaces that need fresher air with less installation burden.<\/p>\r\n<\/div>\r\n<\/section>\r\n

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Core Engineering Features<\/span><\/h2>\r\n

Built for wall and window ventilation, Panel-J combines EC motor efficiency, airflow version options and practical room control.<\/p>\r\n

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EC MOTOR<\/div>\r\n

Low-power ventilation<\/h3>\r\n

EC motor technology supports efficient daily operation with low power consumption.<\/p>\r\n<\/div>\r\n

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2 VERSIONS<\/div>\r\n

Reversible or backdraft damper<\/h3>\r\n

Choose reversible intake\/exhaust airflow or exhaust-only backdraft damper protection by project need.<\/p>\r\n<\/div>\r\n

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5 SPEEDS<\/div>\r\n

Variable speed control<\/h3>\r\n

Five-stage speed regulation helps match airflow to small and medium room conditions.<\/p>\r\n<\/div>\r\n

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AUTO CYCLE<\/div>\r\n

70-second reversible cycle<\/h3>\r\n

Reversible models support automatic cycling for balanced intake and exhaust air exchange.<\/p>\r\n<\/div>\r\n

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EASY MOUNT<\/div>\r\n

Wall or window installation<\/h3>\r\n

Panel mounting works for wall and glass-window openings where duct installation is difficult.<\/p>\r\n<\/div>\r\n

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QUIET ROOM<\/div>\r\n

Noise level up to 40 dB<\/h3>\r\n

Controlled operation helps keep bathrooms, kitchens and living spaces more comfortable.<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n

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Technical Specifications<\/span><\/h2>\r\n
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<\/i> Version Comparison<\/h3>\r\n
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Item<\/th>\r\nReversible Airflow Version<\/th>\r\nBackdraft Damper Version<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Airflow direction<\/td>\r\nReversible (Intake \u2194 Exhaust)<\/td>\r\nExhaust-only<\/td>\r\n<\/tr>\r\n
Backdraft damper<\/td>\r\nNo<\/td>\r\nYes (helps prevent backflow; helps block insects)<\/td>\r\n<\/tr>\r\n
Best for<\/td>\r\nRooms that need fresh-air intake\u00a0and<\/em>\u00a0exhaust flexibility<\/td>\r\nBathrooms\/kitchens\/garages where one-way exhaust is preferred<\/td>\r\n<\/tr>\r\n
Control<\/td>\r\nRemote control (version-dependent)<\/td>\r\nRemote control or wall switch (version-dependent)<\/td>\r\n<\/tr>\r\n
Speed control<\/td>\r\n5-stage variable speed<\/td>\r\n5-stage variable speed<\/td>\r\n<\/tr>\r\n
Motor<\/td>\r\nEC motor<\/td>\r\nEC motor<\/td>\r\n<\/tr>\r\n
Noise<\/td>\r\nLow-noise operation<\/td>\r\nLow-noise operation<\/td>\r\n<\/tr>\r\n
Power (same size comparison)<\/td>\r\nHigher power<\/strong>\u00a0(see model table)<\/td>\r\nLower power<\/strong>\u00a0(see model table)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n
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<\/i> Shared Specifications<\/h3>\r\n
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Shared Item<\/th>\r\nSpecification<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Brand<\/td>\r\nKCVENTS<\/td>\r\n<\/tr>\r\n
Installation<\/td>\r\nWall \/ Window mounting (wall-mounted)<\/td>\r\n<\/tr>\r\n
Application<\/td>\r\nHotel, Industrial, RV, Garage, Household<\/td>\r\n<\/tr>\r\n
Function<\/td>\r\nExhaust ventilation (with version-specific airflow direction)<\/td>\r\n<\/tr>\r\n
Housing material<\/td>\r\nPlastic \/ ABS (ABS housing on reversible version icons)<\/td>\r\n<\/tr>\r\n
Motor type<\/td>\r\nEC motor (energy-saving)<\/td>\r\n<\/tr>\r\n
Speed control<\/td>\r\n5-stage speed regulation<\/td>\r\n<\/tr>\r\n
Noise level<\/td>\r\n\u2264 40 dB<\/td>\r\n<\/tr>\r\n
App control<\/td>\r\nNo<\/td>\r\n<\/tr>\r\n
Operating language<\/td>\r\nEnglish<\/td>\r\n<\/tr>\r\n
Warranty<\/td>\r\n3 years<\/strong><\/td>\r\n<\/tr>\r\n
Origin<\/td>\r\nGuangdong, China<\/td>\r\n<\/tr>\r\n
Customization<\/td>\r\nLogo\/graphic customization: 3D printing<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n
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<\/i> Reversible Airflow Models<\/h3>\r\n
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Model<\/th>\r\nSize (inch)<\/th>\r\nVoltage<\/th>\r\nEC Motor Power (W)<\/th>\r\nAirflow (m\u00b3\/h)<\/th>\r\nNotes<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
APC10-J-Reversible<\/strong><\/td>\r\n4\u2033<\/td>\r\n80\u2013245V, 50\u201360Hz<\/td>\r\n10W<\/strong><\/td>\r\n100<\/strong><\/td>\r\nReversible airflow;\u00a070-second automatic cycle<\/strong>; 5-stage speed control<\/td>\r\n<\/tr>\r\n
APC15-J-Reversible<\/strong><\/td>\r\n6\u2033<\/td>\r\n80\u2013245V, 50\u201360Hz<\/td>\r\n10W<\/strong><\/td>\r\n230<\/strong><\/td>\r\nReversible airflow;\u00a070-second automatic cycle<\/strong>; 5-stage speed control<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n
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<\/i> Backdraft Damper Models<\/h3>\r\n
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Model<\/th>\r\nSize (inch)<\/th>\r\nVoltage<\/th>\r\nEC Motor Power (W)<\/th>\r\nAirflow (m\u00b3\/h)<\/th>\r\nNotes<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
APC10-J<\/strong><\/td>\r\n4\u2033<\/td>\r\n220V<\/td>\r\n4W<\/strong><\/td>\r\n90<\/strong><\/td>\r\nExhaust-only;\u00a0Backdraft Damper<\/strong><\/td>\r\n<\/tr>\r\n
APC15-J<\/strong><\/td>\r\n6\u2033<\/td>\r\n(not provided)<\/td>\r\n5W<\/strong><\/td>\r\n180<\/strong><\/td>\r\nExhaust-only;\u00a0Backdraft Damper<\/strong><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n
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Product Details<\/span><\/h2>\r\n
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Choose reversible airflow when a room needs both intake and exhaust, or select a backdraft damper version for one-way exhaust protection.<\/p>\r\n

\"Wall<\/div>\r\n<\/div>\r\n
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Wall and glass installation guidance helps reduce uncertainty during project setup.<\/p>\r\n

\"Wall<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n
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Target Applications<\/span><\/h2>\r\n

Room exhaust and fresh-air support for wall\/window openings where compact installation and low-power operation matter.<\/p>\r\n

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Bathrooms & Kitchens<\/h3>\r\n

Removes humidity, smoke and odors from daily home spaces.<\/p>\r\n<\/div>\r\n

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Garages & RVs<\/h3>\r\n

Supports compact ventilation where wall or window mounting is easier than ducting.<\/p>\r\n<\/div>\r\n

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Small Commercial Rooms<\/h3>\r\n

Provides low-power exhaust for offices, utility rooms and light commercial spaces.<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n

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Quality Assurance & Warranty<\/span><\/h2>\r\n

We eliminate procurement and installation risks through rigorous factory verification and straightforward B2B warranty support.<\/p>\r\n

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100% Pre-Shipment Inspection<\/h3>\r\n

Every batch undergoes strict functional and dimensional routing tests, including EC motor startup, reversible airflow or backdraft damper function, speed control response, wall\/window mounting size alignment, airflow verification and model-to-table parameter matching. We ensure that every single unit arrives at your project site fully functional and ready for flawless installation.<\/p>\r\n<\/div>\r\n

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Reliable Hardware Warranty<\/h3>\r\n

We stand firmly behind our manufacturing craftsmanship. In the rare event of any material defect or mechanical failure under standard project operations, KCVENTS provides a straightforward, hassle-free hardware replacement service to secure your timeline.<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n

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