Business Details
23 Years
experience
Trusted Exterior Remodeling Solutions in Utah
Founded in 2003, we are a locally owned exterior remodeling company dedicated to enhancing homes through high-quality replacement windows, doors, and siding. Our commitment to superior products, professional installation, and guaranteed low prices has made us America's largest exterior remodeler. We combine national buying power with personalized service, offering energy-efficient solutions backed by comprehensive warranties and flexible financing options.Our team of certified installers prioritizes precision and customer satisfaction, ensuring every project meets the highest standards of craftsmanship. With two locations serving the Wasatch Front, we take pride in supporting our community through initiatives like Window World Cares, which has raised over $19 million for St. Jude Children's Research Hospital.
Services
Replacement Windows
Entry Doors
Patio Doors
Vinyl Siding
Storm Doors
Details
- Year established: 2003
Highlights and features
- We offer financing options with approved credit through the Window World Credit Card Program.
- Our products feature SolarZone insulated glass technology for superior energy efficiency.
- Certified installers with 20+ years of combined experience ensure precise, professional results.
- We support St. Jude Children's Research Hospital through our Window World Cares foundation.
- Lifetime warranties cover both products and labor for complete customer peace of mind.
Associations and certifications
- ENERGY STAR
- Good Housekeeping Seal
- NFRC
- ASTM
What people say
Unbeatable service
Great installers
Energy savings
Professional team
Timely completion
Services
Replacement Windows
Our replacement windows feature heavy-duty vinyl construction, insulated glass, and low-maintenance finishes. Engineered for energy efficiency, they reduce UV damage by 75% using SolarZone technology. Available in double-hung, sliding, and architectural shapes, these Made-in-America products come with lifetime warranties and professional installation.
Vinyl Siding
Durable vinyl siding options protect homes while enhancing curb appeal. The ASCEND Composite Cladding and 6000 Series lines combine insulation with aesthetic versatility. Resistant to weather damage, these products offer long-term value and energy savings, backed by comprehensive manufacturer guarantees.
Entry Doors
Security-focused entry doors available in steel and fiberglass materials. Textured and smooth finishes resist warping while improving home aesthetics. Features include reinforced frames and weatherstripping for energy efficiency, with lifetime warranties covering both product and installation quality.
Patio Doors
Energy-efficient patio doors combine durability with elegant design. Sliding and hinged options feature reinforced glass packages and weather-resistant frames. Engineered to withstand extreme conditions, these doors maximize natural light while maintaining thermal performance and security for residential spaces.
Storm Doors
Multi-functional storm doors enhance security and seasonal protection. Available in ventilating, retractable screen, and full-view configurations, they improve energy efficiency while allowing natural light. Reinforced glass and durable frames ensure long-term performance against weather elements.
People
Doug Llewellyn
Owner
Co-owner of Window World Utah since 2003, Doug Llewellyn brings decades of home improvement expertise. He oversees operations and community initiatives, ensuring quality service and customer satisfaction across the Wasatch Front.
Kathy Llewellyn
Owner
As co-owner, Kathy Llewellyn focuses on customer relations and local partnerships. With 20+ years in the industry, she ensures Window World Utah maintains its commitment to quality products and community service.
Questions
What products does Window World of Utah offer?
We specialize in replacement windows, vinyl siding, entry doors, patio doors, and storm doors. All products feature energy-efficient technology and lifetime warranties.
Do you provide financing options?
Yes, approved customers can access financing through the Window World Credit Card Program with flexible payment terms for qualifying projects.
Are your products energy-efficient?
Our SolarZone insulated glass packages reduce energy consumption by blocking heat transfer and UV damage, potentially lowering utility bills by up to 30%.
What warranty coverage do you provide?
We offer comprehensive lifetime warranties covering both product materials and installation labor for complete customer peace of mind.
Do you serve areas outside Salt Lake City?
Yes, we serve the entire Wasatch Front region from our two Utah locations in Salt Lake City and Spanish Fork.
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