Where have you been all my life?! I have been in multifamily construction for over 25 years, and right now I’m trying to figure out how I ever managed it without you!
〞
Nate Shindler
Managing Member | APT, LLC
Windows
Visit a ShowroomWell-designed windows shape how a home lives by bringing in natural light, improving energy efficiency, and framing every view with intention. From slim frames that maximize sightlines to advanced glass that keeps temperatures steady, Tri-Supply offers a wide range of options from brands such as Marvin, Western, and Glass Expanse. Each window is crafted with precision detailing, durable materials, and refined engineering to enhance natural light, improve comfort, and create a seamless connection between the indoors and outdoors.
Explore single-hung, double-hung, casement, sliding, picture, bay, and awning windows, available in a range of materials, including wood, aluminum, vinyl, and composite. Visit one of our showrooms to meet with one of our window experts and compare styles, sizes, and efficiency features—or configure a custom design that perfectly fits your home.
Featured Products
Tri-Supply’s window offering brings together systems designed to frame views, invite light, and support the architectural character of your home. From expansive picture windows and sliding or folding wall systems to vinyl-clad frames, direct-glaze designs, and high-performance modern assemblies, each product is carefully selected for its exceptional material quality, advanced engineering, and long-term stability. These solutions shape how rooms connect to the outdoors, expanding sightlines, opening living areas, and creating a sense of openness that changes the way your home feels throughout the day.
Ultimate Picture Window
by Marvin
Classic Line
by Western Window Systems
Folding Doors and Windows
by WinDor Systems
Vinyl Clad Windows
by Showcase Window and Door Company
S3000W Slide-and-Stack Window System
by Glass Expanse
Direct Glaze Windows
by Sierra Pacific Windows
Featured Windows Brands
Tri-Supply partners with window brands recognized for their architectural integrity, energy efficiency, and precision engineering. Each reflects a commitment to performance and design—brought together to help homeowners create spaces that feel brighter, quieter, and more connected to the world outside.
Real Stories. Real Homes.
Hear how our products and service make a difference in real homes.
Latest Tips & Trends
Designing Seamless Indoor-Outdoor Living Spaces in Texas
Designing seamless indoor-outdoor living spaces in Texas requires more than adding large doors or a patio. This guide breaks down how floor plans, door and window systems, materials, and local climate design strategies work together to create cohesive spaces that maximize natural light, improve flow, and perform in Texas heat and humidity.
Read MoreA Complete Selection Guide to Interior Door Styles and Materials
This guide explains how to choose the right interior doors by balancing style, configuration, and material performance to improve function, privacy, and long-term durability. It breaks down common door types like swinging, sliding, pocket, and French doors, compares materials such as hollow core, solid core, MDF, wood, and glass, and explains how each impacts sound control, cost, and usability. You’ll learn when to upgrade to solid core doors for privacy, how to select doors for tight spaces or light flow, and what to consider in humid climates like Texas. Whether you’re building, remodeling, or upgrading specific rooms, this guide helps you choose interior doors that enhance both performance and design.
Read MoreChoosing the Right Outdoor Ceiling Fan for Texas Climates
Outdoor ceiling fans play a critical role in comfort, airflow, and durability for Texas patios and porches. This guide explains how outdoor ceiling fans differ from indoor models, when damp- or wet-rated fans are required, which blade materials last longest in hot climates, and what features matter most when selecting a fan for Texas outdoor living spaces.
Read More