Awning windows are a practical solution for projects that need ventilation without overexposing the opening. Because they are hinged at the top and open outward, they allow airflow while helping protect the interior from light rain and exterior exposure.
This makes them a strong fit for kitchens, bathrooms, offices, and other spaces where controlled ventilation matters. They also work especially well in modern façades that need a clean look without relying on large operable units.
Awning windows are often specified when a project needs a balance of airflow, usability, and exterior protection. Their operating style makes them useful in both residential and commercial applications, especially where the opening needs to stay practical and easy to manage day to day.
Key benefits include:
Awning windows can also be paired with fixed windows to create a more balanced window package. This approach allows larger glass areas for daylight and views, while keeping operable sections where ventilation is actually needed.
It is a useful solution for projects that want a more consistent façade composition without making every opening fully operable.
The system is designed to accept 1” insulating glass units and can also be configured with annealed glass or impact-resistant glazing, depending on project requirements.
This gives architects, builders, and specifiers more flexibility when balancing energy efficiency, safety, weather exposure, and overall system performance.
Awning windows within this system have been tested under recognized North American standards* for air leakage, water penetration, thermal performance, and structural load resistance.
Testing standards include:
Representative performance values include:
Representative performance values include:
To fit a range of architectural styles, the system is available in:
Additional options include:
These choices make it easier to adapt the window package to both the technical and visual goals of the project.
If your project calls for ventilation, weather protection, and a more flexible aluminum window system, awning windows are a strong option on their own and even more effective when combined with fixed windows.
PRL Glass Systems Inc
13644 Nelson Ave, Industry, CA. 91746
251 Mason Way, Industry, CA. 91746
PRL Aluminum Inc
14760 Don Julian rd, Industry, Ca. 91746
© Copyright 2026 PRL Glass Systems Inc. All rights reserved.