| 1. Profile | European standard 6060-T66 super high precision aluminum |
|---|---|
| 2. Profile Brand | Germany system, Domestic system |
| 3. Surface Finish | Powder coating, Anodized, Woodgrain transfer, Electrophoresis, Fluorocarbon paint |
| 4. Profile Thickness | 1.8mm |
| 5. Glass Option | Triple insulated glass: 5/6mm + 16A + 5/6mm + 16A + 5/6mm, warm edge spacer, low-E & argon gas |
| 6. Hardware | Germany imported brand |
| 7. Seal & Strip | Germany originally imported EPDM rubber sealing strip, black or grey color |
| 8. Screen Optional | Stainless steel mesh screen, invisible screen |
| 9. Sunshading | Blinds, roller shutter, etc. |
| 10. Applications | Commercial building, office, apartment, villa, basement, garden, hotel, hospital, residential housing |
A "passive house window" typically refers to a window that is designed as part of a passive building strategy (or net-zero energy building designs), aiming to maximize energy efficiency without relying on active mechanical systems for heating, cooling, or ventilation. Passive windows are extremely energy-efficient windows.
⚡ Energy Efficiency: Passive windows are engineered with high-performance glazing, advanced frames, and insulation techniques to achieve low U-values (thermal transmittance). This minimizes heat loss in cold weather and reduces heat gain during warmer periods.
☀️ Solar Gain Optimization: These windows are designed to harness natural sunlight for passive solar heating during winter while often incorporating features (like low solar heat gain coefficients) to prevent overheating in summer.
🏠 Integration in Passive House Design: They are a crucial element in passive house or net-zero energy building designs. By combining with other building envelope components (such as insulation, airtight construction, and controlled ventilation), passive windows contribute to maintaining a comfortable interior climate with minimal energy consumption.
🛡️ Airtightness and Reduced Thermal Bridging: The frames and installation details are designed to be extremely airtight and to minimize thermal bridging, thereby reducing drafts and heat leakage.
In summary, passive windows support sustainable building practices by reducing reliance on active heating and cooling systems, lowering energy consumption saving bills, and improving overall indoor environmental quality.









For years, Aluminum windows have been specified by architects and builders for their overall strength and lasting value. Because of their rigidity, durability, and narrow frames, aluminum windows can be configured into a wide variety of combinations that maximize views. Aluminum windows also are popular because of their low maintenance. They won't rust or rot, you don't have to paint them, and they are available with tough anodized or baked-on finishes.
| Product Performance | ML 101 Series | ML 85 Series | ML 76S Series |
|---|---|---|---|
| European U-Value (Metric/SI) | 0.79 W/(m²K) | 1.19 W/(m²K) | 1.19 W/(m²K) |
| American U factor (U.S./I-P) | 0.14 | 0.21 | 0.21 |
| Rw (dB) | 38 dB | 35 dB | 35 dB |
| Wind Load Resistance (Pa) | ≥ 2400 Pa | ≥ 2400 Pa | ≥ 2880 Pa |
| Water Tightness (Pa) | ≥ 580 Pa | ≥ 580 Pa | ≥ 440 Pa |
| Canadian Air Infiltration / Exfiltration | A3 level, Metric ≤ 0.07 L/s·m² Imperial ≤ 0.014 cfm/ft² |
A3 level, Metric ≤ 0.07 L/s·m² Imperial ≤ 0.014 cfm/ft² |
A3 level, Metric ≤ 0.19 L/s·m² Imperial ≤ 0.038 cfm/ft² |
Minglei is a professional manufacturer of high quality windows and doors with 10+ years exporting experience with two state-of-the-art manufacturing base with 300,000㎡/year production capacity. We have enjoyed a lot of five-star reviews & recommendations by global customers from more than 60 countries, 80% of whom are from the USA, Canada, Europe, and Australia.




So far, We have certifications and test reports of Canada Energy Star, NFRC, NAMI, AAMA, AS2047 and CE etc.
Energy-efficient, exceptional quality, beautiful design, budget-friendly, those are all about our missions for windows and doors.
With advanced & exquisite manufacturing technique, and abundant product application & service experience, Minglei team will fulfill Your needs and meet Your highest expectations.
With "ultimate thermal insulation and energy saving" as its core R&D direction, Minglei Windows and Doors achieves an industry-leading U-value (the lowest U-value among similar products on the Alibaba platform). Utilizing low-emissivity triple-glazed windows, warm edge spacers, argon gas filling, and a full-window thermal bridge blocking design, it maximizes the reduction of heat transfer between indoors and outdoors. Its winter heat retention and summer insulation effects far surpass conventional products, helping buildings reduce energy consumption by 30%-50%. This aligns with North American Energy Star energy conservation initiatives and saves users long-term energy costs, making it a preferred choice for green buildings.
We use high-grade raw materials, modern technology, cutting-edge manufacturing processes, and skilled workers to produce windows & doors that offer superior longevity, exceptional performance, and unmatched beauty.
Our windows and doors feature flexible manufacturing for custom sizes, architectural shapes, colors, and specialty finishes. Certified by Canada Energy Star, USA NFRC & NAMI, they are made to pass your local inspectors' verification and are built under Canada & USA building codes so you can rest assured that they are energy efficient, safe, and sturdy.





We are very happy and look forward to a long-term partnership with you, as with our other partners in US, where our service and strength in window and door expertise can help our partners save more time and money.
Minglei has been working for the North American market for a decade, providing professional plans and meaningful designs with ideal pricing to meet all highly customized demands. With our expertise, we provide no-cost design development & contract documentation with CAD & BIM drawings, including elevation, details, and installation design.
We help clients accurately control budgets by analyzing the overall plan, including providing schematic designs to determine products within cost parameters (e.g., using lower cost products in inconspicuous locations, avoiding Low-E glass where sun exposure is low, or using PVC/aluminum windows instead of solid wood in utility spaces).
We have several international patents to reduce clients' labor costs, such as our unique flanges and assembly type tubular design, which differs from other products on the market. What sets us apart among Chinese counterparts is that all our products are equipped with nail fin structures for quick and easy installation. Installation labor costs may exceed the window and door price itself; therefore, our exclusive patent allows users to significantly increase installation efficiency and reduce costs, bringing unexpected overall savings.
Our sufficient production capacity assures you a 35-day delivery time upon drawing approval. Each window is individually packed in four protective layers and securely crated into strong wooden boxes. We send out windows and doors to the USA weekly, ensuring that your products arrive at job sites in prime condition after long-distance transport.
If this is your first time importing, you may not understand the import procedure, or feel it is time-consuming to deal with customs, logistics, and tariffs. You can leave it completely to us. We provide one-stop door-to-door or DDP shipping services, handling all import customs clearance, duties, and truck delivery to your appointed address with fair, transparent costs.
No matter what issues you face during installation or after use, you will receive prompt response within 24 hours. Minglei offers exceptional quality products and services—standing behind our NFRC-certified windows and doors with a 10-year warranty. Furthermore, our TPS glazing units carry a 25-YEAR WARRANTY against air leakage and fogging issues on IGU products. Welcome to contact us for full warranty details.
This project is a luxury mansion located in Spokane, WA, USA. Based on the client's requirements and Minglei's engineered solution, we recommended top-grade thermal insulation triple-glazed aluminum alloy doors and windows. Top-grade sound insulation, heat insulation, and windproof materials were utilized throughout the entire residence, resulting in complete client satisfaction.
1. Technoform Bautec warm edge strips greatly improve thermal insulation performance.
2. Roto & Siegenia German-made hardware systems provide higher strength, cutting-edge functionality, and aesthetics.
3. Tempered safety glass complies with international building standards to withstand extreme weather and impact.
4. Durable extruded aluminum nail fins make installation significantly easier, greatly cutting down on labor costs.
5. Satisfied feedback post-installation proves that Minglei provides optimized custom solutions for every project.
Our windows and doors have been applied in more than two hundred overseas projects, including commercial and residential buildings, villas, apartments, offices, and hotels. We have earned wide praise from homeowners, retailers, general contractors, and real estate developers globally.