Perfect installation. Zero mess. Lifetime efficiency.

Expert replacement for Windows, Doors, and Siding across Olathe and the KC Metro Area.

RTG Windows

Trusted by leading brands

Expert Windows, Doors & Siding Upgrades

High-quality materials combined with flawless installationfor homes across the KC Metro Area.

High-Performance Windows

Custom-fit, energy-efficient solutions designed to reduce noise, block UV rays, and lower your energy bills. Flawless installation guaranteed.

Secure & Elegant
Doors

Precision installation of premium interior and exterior doors. Enhance your home’s security, weather resistance, and curb appeal instantly.

Weather-Resistant
Siding

Expert siding replacement featuring durable, low-maintenance materials. Shield your home from harsh weather while upgrading its exterior design.

no more headaches

The RTG Advantage

Premium materials, expert installation, and absolutely no stress. We eliminate the common headaches of home renovations.

Invisible Installation

No dust, no debris. Just a seamless fit that looks like it was always there.

Thermal Efficiency

Advanced sealing technology designed to keep your home cool and your energy bills significantly lower.

Record Delivery

We skip the middleman. Our direct network ensures your windows arrive and get installed in record time.

Lifetime Warranty

Total peace of mind, backed by a lifetime manufacturer warranty on all fabrication defects.

Recent Projects

Explore our recent window, door, and siding transformations across Olathe and the Kansas City Metro Area

IT’S YOUR TIME

Let’s Discuss Your Project

Enter your details, and our experts will reach out ASAP to discuss your project and start your free estimate.

Trusted by Homeowners Across KC

See what our clients are saying about our zero-mess installation and premium service.

They deliver excellent work with responsibility, punctuality, and great attention to detail. I highly recommend them!

We recently had our siding and windows replaced, and the experience was excellent from start to finish. The team was professional, punctual, and very detail-oriented throughout the entire project. They kept the work area clean, and made sure everything was completed exactly as promised. Our house looks completely refreshed, and we’ve already noticed a difference in insulation and noise reduction from the new windows. We’re very happy with the results and would absolutely recommend them to anyone looking for siding or window work!

Amazing service, they able help any day of the week. Prices are great specially for the quality work they do.

Our 3-Step Process

From the first call to the final inspection, here is how we upgrade your home.

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3 Get Your Quote

Measurement

Installation

Proudly Serving the KC Metro

About Us

RTG Windows is your local specialist for high-performance Window, Door, and Siding replacement in Olathe, Lawrence, and Johnson County. Since 2014, we’ve delivered definitive solutions for homeowners seeking energy efficiency, noise reduction, and curb appeal.

We focus on what matters: Speed, Precision, and a No-Mess installation. Our process is designed to be fast and functional, ensuring a clean worksite and a permanent upgrade to your home without the typical renovation stress.

Expert craftsmanship. Local accountability. Faster results.

Fully Licensed & Insured – Locally Owned & Operated

FAQ

Still got Some Questions?

Clear answers to help you plan
your home upgrade.

What areas do you serve?

We proudly serve the entire Kansas City Metro Area across both Kansas and Missouri. With our base in Olathe, KS, we provide expert exterior solutions to homeowners throughout the region, including priority service for ZIP codes 66062, 66045, 66200, and all surrounding neighborhoods in the metro.

How long does a window or door replacement take?

Thanks to our direct-to-manufacturer speed and expert crew, most standard installations are completed in just one to two days, with zero mess left behind.

Can you install windows and doors during the winter?

Yes. Our team uses specialized weather-isolation techniques, replacing one window at a time to minimize heat loss and protect your home year-round.

Do you offer custom sizes for windows and exterior doors?

Absolutely. Every window and door we install is custom-measured and manufactured to fit your home’s exact specifications, ensuring maximum energy efficiency and security.

Do you provide free estimates?

Yes! We offer free on-site estimates to assess your needs and provide a personalized quote with no obligation.