Pella Certified Window and Door Installers for St. Louis Homeowners
St. Louis area homeowners choose Sane Windows and Doors to enhance and beautify their homes with energy-efficient Pella windows and doors. We deliver professional installation, direct-to-homeowner pricing, and exceptional service.
LIMITED TIME OFFER
0% Interest Financing + $150 OFF Each Pella Window
St. Louis’ Leader in Windows & Doors
Request Your Free Estimate Today
Elite Window & Door Installation, Trusted by Pella
We are in Elite Company
Fewer than 5% of contractors nationwide earn Pella's Certified designation. With Sane Windows, you can trust your project is installed flawlessly the first time.
Pella Trained and Certified
Pella Certified Contractors are trained, certified, and background-verified. Sane Windows can help you find the perfect Pella products for your home.
Unmatched Warranty Protection
Enjoy Pella’s industry-leading coverage, plus our additional labor warranty—ensuring your home is protected inside and out.
Skip the Hardcore Sales Pitch
Other companies often try to upsell and push products you don’t really need or want. At Sane Windows, we are different. Here's what you can count on us not doing:
Browse Online – Schedule When You’re Ready
At Sane Windows, we know starting your window replacement journey shouldn’t mean a high-pressure sales visit. That’s why we make it easy to explore our services online—no appointment needed. Browse products, view brochures, watch videos, and more—all at your own pace.
Find something you love? Reach out anytime for a transparent, no-pressure quote!
We Work Hard for Your Feedback
Happy homeowners are our best advertisement. It starts with every member of our team, from your initial contact through the final installation. Learn why your neighbors trust Sane Windows.
Featured Products
Discover our most popular window and doors from top-rated manufacturers. Click below to learn more and get pricing.
The Fiber-Classic Mahogany Soft Arch door in Rustic Clay combines classic charm with durability, energy efficiency, and optional sidelites.
The Smooth-Star 1 Panel Shaker Door in Cypress combines modern style with energy efficiency and durability for a timeless, low-maintenance entryway.
Shop Windows and Doors by Material
At Sane Windows and Doors, we offer premium window and door solutions for every homeowner. Choose the timeless elegance of true wood, the durability of fiberglass, or the energy-efficient, low-maintenance benefits of vinyl. Enhance your home’s beauty and performance with our most popular products.
Top Rated Window Installations in St. Louis MO
At Sane Windows and Doors, we provide premium Pella vinyl, fiberglass, and wood windows at direct-to-homeowner pricing. As a Pella Certified Contractor and locally owned family business, we ensure expert installation and exceptional service for your home improvement needs.
Get a Window Quote in Minutes – No Hassle, No Pressure
Getting a window quote should be quick and stress-free. At Sane Windows, we make it easy with FREE online or in-person quotes in just minutes!
Avg. Time to Upload Photos Online
Get your quote in just 6 minutes—quick, easy, and completely online.
Avg. Time for Our In-Home Appointment
Our no-sales-pitch approach means your appointment takes half the time of our competitors.
News & Resources
Stay informed with the latest industry news and find valuable resources for your window and door projects.
LIMITED TIME OFFER
0% Interest Financing PLUS $150 OFF Each Pella Window
St. Louis’ Leader in Windows & Doors
Request Your Free Estimate Today