Product Overview
The AOSUNFAN Exhaust Fan (Model EF-4KW) is a versatile 4-inch window-mounted ventilation solution designed for compact kitchens, laundry rooms, and small commercial spaces. Featuring dual-function airflow (90 CFM) and integrated LED lighting (3000K/600lm), this Exhaust Fan combines HVAC-grade ventilation with energy-efficient illumination (ASHRAE 62.1 compliant). Its IP44-rated polycarbonate housing and stainless steel grease filters ensure reliable operation in humid, grease-heavy environments. Includes adjustable window frames (5-10cm thickness) and a 24-hour programmable timer with humidity sensor (RH 30-95% range).
Product Features
Dual-Function Design
Simultaneous ventilation (0.5-1.0 ACH) and task lighting (18W COB LED, CRI ≥80) for space optimization.
Smart Humidity Control
Auto-activates at 60% RH with 3-speed modes (Low/Med/High) and post-operation delay shutoff (5 minutes).
Oil-Resistant Construction
Removable NSF-4 certified filters trap 99% grease particles (tested per ASTM E2519).
Silent Operation
DC brushless motor maintains ≤1.2 Sones (ISO 3744 tested) at 50Hz operation.
Technical Parameters
Material | Plastic |
Mounting Type | Wall Mount |
Collection | Bathroom,Bathroom/corridor/office/laundry |
Voltage | 110V |
Customized Support | OEM, ODM |
Warranty | 3 years |
Power Source | Electric |
Product Name | Exhaust fan |
Air Quantity | 162-252 |
Motor | Copper or aluminum |
Product Advantages
Energy Efficiency: 15W power consumption (0.015 kW·h), reducing kitchen HVAC loads by 40% (ENERGY STAR 2.0 certified).
Easy Maintenance: Dishwasher-safe filters and tool-free disassembly (clean cycle ≤5 mins).
Space-Saving: Slim 12cm profile fits narrow windows without structural modifications.
Certified Safety: ETL/CE/FCC listed with auto-overheat shutdown (85°C cutoff).
Application Scenarios
Apartment Kitchens: Eliminates cooking odors in 5m² spaces within 15 minutes (4 air changes/hour).
Food Trucks: Reduces grease buildup by 90% in compact mobile kitchens (NSF 4 compliance).
Office Pantries: Maintains PM2.5 levels ≤35 µg/m³ (WHO air quality standard).
Garage Workshops: Ventilates fumes from DIY projects (tested with VOC ≤50 ppm).
FAQ
Q1: How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q2:What can you buy from us?
Ventilation Fans,Duct Fans,Exhaust Fans,Fresh Air System
Q3: Lighting color temperature options?
Choose between 2700K (warm white) or 4000K (neutral white) LEDs during OEM customization.
Q4: Smart home compatibility?
WiFi module (optional) enables Alexa/Google Home control + real-time air quality monitoring via app.
