Bidirectional Right Angle Fresh Air Ventilation System
This bidirectional flow right angle standard fresh air system is designed for ventilation and air conditioning applications. It provides efficient and balanced airflow in both directions, ensuring optimal air quality and comfort.




Technical Specifications
Product Overview
Bidirectional Right Angle Fresh Air Ventilation System
This standard fresh air system features a bidirectional flow design and a right-angle configuration, making it ideal for flexible installation in residential and commercial spaces with tight ceiling clearances. It provides comprehensive indoor air quality management through full heat recovery and high-efficiency filtration, ensuring a balanced exchange of fresh and exhaust air. The system is designed for ceiling-type installation and is available in multiple air volume capacities to suit various application areas.
Performance Metrics
Key Performance Metrics
Technical Specifications
Model Comparison
| Model | Dimensions (HxWxD) | Fresh Air Volume | Power | Noise | Application Area |
|---|---|---|---|---|---|
| HESQ-150DH-I | 680 x 530 x 220 mm | 150m³/h | 100W | ≤43dB(A) | 60-100㎡ |
| HESQ-250DH-I | 700 x 560 x 220 mm | 250m³/h | 180W | ≤44dB(A) | 100-170㎡ |
| HESQ-350DH-I | 800 x 650 x 220 mm | 350m³/h | 240W | ≤48dB(A) | 140-230㎡ |
Filtration & Recovery
Filter Grade
Heat Recovery Material
- Imported paper core
- Bacteriostatic properties
- Flame retardant material
Installation & Power
- Installation Form
- Ceiling type
- Power Supply
- AC220 / 50Hz
Product Features
Design Highlights
- Bidirectional ventilation
- Right angle modeling for tight spaces
- Full heat recovery system
- Removable panel for maintenance
- Motor Options
- DC MotorAC Motor



