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Product Description

Window Design
Window Profile
Window Structure

✓Pre-Sale Optimized Design Service

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 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.

Design Plan
Window Layout
Window Specification

★Ideal Solution for Commerce & Residence

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.

Performance Chart

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.

Installed Windows View

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.

Window Detail Close-up

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.

Installation Case 1
Installation Case 2
Installation Case 3

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!

Product Options
Hardware Showroom
Custom Design
Certifications

⚙Technical Specifications

TILT TURN WINDOWS – Landmark Series
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-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.

❓Frequently Asked Questions

FAQ 1What are the key product specifications of Landmark Series?
The Landmark Series tilt-turn windows feature top-grade 6060-T66 thermal break aluminum profiles (≥1.5mm thickness) finished with AKZONOBEL powder coating, advanced Low-E tempered double or triple glazing with argon gas, and German-imported HOPPE handles paired with SIEGENIA concealed hardware.
FAQ 2What energy performance certifications do these windows meet?
The Landmark Series is fully NFRC certified and ENERGY STAR® qualified, delivering an impressive U-factor of 0.19 to ensure optimal insulation and solar heat gain control throughout all seasons.
FAQ 3What is the relationship between Luvindow and Doorwin Windows Inc.?
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.
FAQ 4What is Luvindow’s brand positioning?
“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, and Europe.
FAQ 5What are the advantages of choosing Luvindow?
▪ Framing Innovation: Certified and beyond, setting new performance standards.
▪ Framing Experience: Standards raised high with Service 3.0 ensuring solutions that go above and beyond.
▪ Framing Solution: Tailor-made window and door solutions created just for your unique project needs.
FAQ 6Is pre-sale design and drawing support available?
Yes, we provide an optimized pre-sale design and drawing service free of charge. This allows clients to visualize and confirm the aesthetics and functionality of their windows and doors before finalizing the purchase.
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