How to Choose Thermally Broken Aluminum System Doors and Windows for Enclosed Balconies? Consider These 9 Factors to Avoid Pitfalls

When selecting thermally broken aluminum system doors and windows for enclosed balconies, several factors must be considered to ensure the chosen products meet your needs and requirements. Here are key considerations:

1，Thermal Insulation Performance: Doors and windows should have excellent thermal insulation to maintain stable indoor temperatures and reduce heating/cooling costs. Check the U-value—the lower the value, the better the insulation.

2，Sound Insulation Performance: If your balcony is near noise sources (e.g., roads or factories), opt for doors and windows with high sound insulation. The STC (Sound Transmission Class) rating indicates their noise-blocking capability.

3，Glass Options: Choose double- or triple-pane insulated glass to enhance thermal and sound insulation. Low-emissivity (Low-E) coated glass can also reduce solar heat gain.

4，Security: Ensure robust frames, reliable locking mechanisms, and anti-pry designs. Security is critical, as balconies are potential entry points for intruders.

5，Opening Styles: Select styles suited to your space and habits, such as sliding doors, swing doors, or folding doors.

6，Material and Color: Thermally broken aluminum offers weather resistance and durability. Choose colors and surface finishes to match your interior decor.

7，Sealing Performance: High-quality sealing strips and weather-resistant sealing are vital to prevent water infiltration and wind penetration.

8，Manufacturer Reputation: Choose reputable brands that provide reliable products and strong after-sales service.

9，Budget: Align choices with your budget, but prioritize quality—superior doors and windows offer better performance and longevity as a long-term investment.

Consult professional suppliers or installers for personalized recommendations based on your needs. Request product samples and reference cases to evaluate options thoroughly.