Aluminum External Louvre

The Aluminum External Louvre is a high-performance external ventilation protection component designed for HVAC air intake and exhaust systems installed on building façades. It is engineered to provide reliable weather protection while ensuring continuous and stable airflow for ventilation systems in outdoor environments.

All units are manufactured on a project-based, made-to-order system according to wall opening dimensions, airflow requirements, and architectural façade design specifications. No standard stock sizes are available.

Weather Protection & Airflow Design

This external louvre features an aerodynamic inclined blade structure designed to prevent rainwater penetration while maintaining efficient ventilation airflow.

It is widely used as an external air terminal in HVAC systems where both weather protection and stable air exchange performance are required.

Problems This Product Solves

• Rainwater ingress into HVAC ventilation ducts
• Wind-driven water penetration in façade openings
• Insect and debris entering external air systems
• Poor protection of outdoor ventilation openings
• Reduced performance of HVAC systems due to weather exposure

Engineering Performance

• Effective rainwater protection through inclined blade design
• Continuous airflow for HVAC intake and exhaust systems
• Stable performance under outdoor wind pressure conditions
• Designed for pressure-balanced ventilation systems
• Suitable for long-term exterior building installation
• Enhances durability of HVAC external air systems

Material & Construction

• Material: High-strength extruded aluminum alloy
• Structure: Corrosion-resistant for outdoor HVAC applications
• Surface finish: Electrostatic powder coating
• Designed for long-term façade exposure environments
• Optional stainless steel insect and debris protection mesh

Custom Manufacturing Capability

This product is fully custom-engineered and project-based. No catalog or stock sizes are available.

Each unit is manufactured according to:

• Exterior wall opening dimensions
• HVAC airflow and pressure requirements
• Architectural façade design intent
• Installation conditions and project specifications
• Project quantity and structural constraints

Key Features

• Aerodynamic inclined blade weather protection design
• External HVAC air intake and exhaust protection system
• Integrated insect and debris protection mesh (optional)
• High-strength aluminum alloy with corrosion resistance
• Fully customizable dimensions for façade integration projects
• RAL powder coating color options for architectural consistency

Installation System

Designed for external wall mounting in HVAC ventilation systems.

Supports:

• New construction façade integration
• Retrofit and replacement ventilation projects
• Secure mechanical fixing with sealing for weatherproof performance

Application Scenarios

Suitable for HVAC external ventilation systems in:

• Commercial office buildings
• Industrial factories and production facilities
• Warehouses and logistics centers
• Shopping malls and commercial complexes
• Residential building ventilation systems
• Public infrastructure and utility buildings

Engineering Advantages

• Prevents rainwater ingress into HVAC systems
• Protects ventilation ducts from insects and debris
• Maintains stable airflow under outdoor conditions
• Improves durability of external HVAC systems
• Supports architectural façade integration
• Suitable for long-term outdoor operation

Custom Options

We support full OEM and project-based manufacturing:

• Custom wall opening dimensions
• Adjustable blade angle and structural design
• Integrated insect mesh options
• RAL powder coating color customization
• OEM branding and private label production

Related HVAC Air Distribution Products

To help you select the right air distribution system, you may also consider:

- Aluminum Square Ceiling Diffuser (balanced multi-direction airflow)
- Aluminum Round Ceiling Diffuser (uniform 360° air distribution)
- Aluminum Linear Slot Diffuser (high mixing efficiency for comfort cooling)
- Aluminum Ring Jet Diffuser (long-throw air distribution for high ceilings)

Availability & Quotation

This product is made-to-order only. No stock sizes are available.

Quotation is based on:

• Dimensions and façade design requirements
• Airflow and pressure conditions
• Structural configuration
• Finish and color specifications
• Project quantity

Please provide drawings or technical specifications for accurate quotation.

We typically respond within 24 hours.