


Our team of experts is dedicated to providing you with the best products and services possible. We are excited to offer a free design and drawing service for clients on their pre-sale. With our free design and drawing service, you can visualize how your windows and doors will look and function in your space before making a purchase. This allows you to make informed decisions and ensures that you are satisfied with the final product. Our team of experienced designers will work with you to create a custom design that meets your unique needs and preferences.



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 that 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!




| TILT TURN WINDOWS - Landmark Series | |
|---|---|
| Material | Top Quality Thermal Break Aluminum Profile.6060-T66, ≥1.5mm thickness, AKZONOBEL power-coating finished. |
| Colour | Exterior Aluminum-Powder Coating, Ral Color, Supported Customized. |
| Glass | Fuly Tempered Safety Double Glazing, Advanced Low-E Coating, Argon Gas Filled, We-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 |
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.
“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, mainly serving markets across North America, Oceania, Europe.
Landmark Series Tilt-Turn window is fully NFRC certified and ENERGY STAR® qualified, meeting strict U.S. standards for energy efficiency and performance with an impressive U-factor of 0.19, providing verified insulation values and superior solar heat gain control.
Yes. We offer an expert pre-sale optimized design service completely free of charge, allowing you to visualize layout, look, and operation through customized drawings before making any final purchase decision.