Passive Casement Window
High-performance passive casement windows engineered for energy-efficient and passive house projects. Our ES series includes two customizable models—ES101 and ES91—both equipped with triple glazing, thermal breaks, and airtight sealing systems. With Uw-values ≤ 0.8 W/m²·K, they ensure optimal insulation, structural stability, and long-term durability.
features & advantages
Passive House Certified
Certified by PHI Germany for ultra-high energy efficiency and airtightness.
U-Value ≤ 0.8 W/m²·K
Triple-glazed Low-E glass and thermal break frame deliver excellent insulation.
Technoform Thermal Break Strip
Equipped with a asymmetric polyamide barrier for superior heat isolation.
Wind Resistance Grade 9
Withstands extreme wind pressure, ideal for high-rise and exposed buildings.
Fire-Resistant Glazing Structure
Uses certified fire-rated glazing components for added safety.
Full Customization Available
Customizable in size, finish, hardware, and glazing to meet diverse architectural and project needs.
Product description
ES101 vs ES91 – Technical Specifications
| Specification | ES101 | ES91 |
|---|---|---|
| Frame Depth | 101 mm | 91 mm |
| Sash Thickness | 110 mm | 100 mm |
| Thermal Break Width | 64 mm Technoform Thermal Break Strip | 54 mm Technoform Thermal Break Strip |
| Glazing Configuration | Triple glazing (customizable) | Triple glazing (customizable) |
| Uw Value | ≤ 0.8 W/m²·K | ≤ 0.8 W/m²·K |
| Thermal Insulation Grade | Grade 10 (Excellent) | Grade 10 (Excellent) |
| Wind Load Resistance | Grade 9 | Grade 9 |
| Sound Insulation | Grade 4 | Grade 4 |
| Air Tightness | Grade 8 | Grade 8 |
| Water Tightness | Grade 6 | Grade 6 |
| Surface Finish | Powder Coating / Anodized / Fluorocarbon Coating | Powder Coating / Anodized / Fluorocarbon Coating |
| Size Availability | Fully customizable | Fully customizable |
| Opening Type | Inward or Outward Casement | Inward or Outward Casement |
| Hardware Options | Top Chinese brands / Roto / G-U / Siegenia / Hoppe | Top Chinese brands / Roto / G-U / Siegenia / Hoppe |
Surface Treatment Options
We offer full customization for the exterior color and surface finish of our passive casement windows. Available surface treatment options include:
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Powder Coating – Durable and cost-effective, available in any RAL color.
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Anodized Finish – Elegant metallic look with enhanced surface hardness.
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Fluorocarbon Coating (PVDF) – Premium finish with outstanding resistance to UV radiation, corrosion, and harsh environments. Lifespan up to 20+ years in outdoor applications.
All finishes support custom color matching, including matte, gloss, textured, and wood grain effects, ensuring aesthetic flexibility for any architectural style.
Our passive casement window is made from high-strength 6060-T66 extruded aluminum profiles, offering exceptional durability with a lightweight structure. The window system meets European standards for thermal insulation, airtightness, and overall performance, making it ideal for both cold and hot climates.
Engineered for use in passive houses and energy-efficient green buildings, this window ensures superior thermal performance and long-lasting stability. Backed by a well-established manufacturing and processing line, along with a professional design and installation team, we provide fully customized solutions to meet your unique project requirements.
📌 OEM/ODM services and international project cooperation are welcome. Contact us for tailored specifications and quotations.
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