Landmark Series Tilt-Turn window is fully NFRC certified and ENERGY STAR® qualified, meeting strict U.S. standards for energy efficiency and performance (U-factor: 0.19). Tested and rated by the National Fenestration Rating Council (NFRC), it provides verified insulation values and solar heat gain control.
Nestled in New Jersey’s variable climate, this homeowner demanded windows that could stand guard—cold winters and humid summers demanded energy-efficient solutions to enhance comfort while reducing utility costs—without compromising style.
Our solution? High-performance tilt & turn windows featuring triple-glazed LOW-e glass. With an impressive U-value of 0.19 and ENERGY STAR® certification, these windows form an invisible thermal barrier that outperforms standard options. Significant energy savings from season to season, proving efficiency and elegance can coexist beautifully.
The results spoke volumes: the family noticed the immediate improvement in comfort and energy efficiency. With 100,000+ successful installations, we redefine windows by matching the suitable solution to every home's unique needs.
Luvindow has an extensive selection of styles, sizes, shapes, and options. For more information about the Landmark Series, or to discuss your project needs, contact us today!
| Material | Top Quality Thermal Break Aluminum Profile 6060-T66, ≥1.5mm thickness, AKZONOBEL powder-coating finished. |
| Colour | Exterior Aluminum-Powder Coating, RAL Color, Supported Customized. |
| Glass | Fully Tempered Safety Double Glazing, Advanced Low-E Coating, Argon Gas Filled, Warm-Edge Spacer TS-D. |
| Hardware | German-imported HOPPE handles and SIEGENIA concealed hardware. |
| Screen | Option 1: Fixed Removable Mosquito Nets (Fly Screens). Option 2: Casement Fly Screens. |
The Landmark Series features 6060-T66 thermal break aluminum profiles (≥1.5mm thickness) with AKZONOBEL powder coating, fully tempered Low-E double or triple glazing with argon gas and warm-edge spacer TS-D, German-imported HOPPE handles with SIEGENIA concealed hardware, and optional fixed removable or casement fly screens.
Since its inception in 2007, Doorwin Windows Inc. has been a trailblazer in the window and door industry, renowned for innovative design and exquisite craftsmanship. As the flagship brand of Doorwin Windows Inc., Luvindow upholds this legacy of craftsmanship while pushing the boundaries of design innovation.
Luvindow positions itself as the "Global leaders in innovative slim profile windows and doors." With over 100,000 successful projects globally, Luvindow blends cutting-edge technology with time-tested quality standards, primarily serving architectural markets across North America, Oceania, and Europe.
Landmark Series Tilt-Turn windows are fully NFRC certified and ENERGY STAR® qualified. Tested by the National Fenestration Rating Council (NFRC), they achieve an impressive U-factor of 0.19, meeting strict U.S. standards for insulation values and solar heat gain control.
Engineered for demanding variable climates—such as freezing winters and humid summers—these tilt & turn windows combine thermal break profiles with advanced Low-E argon-filled glass. They form an effective invisible thermal barrier that significantly reduces utility expenses while boosting indoor living comfort year-round.