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Top-Rated Window pros in Saint Peters - Updated Nov 2026

Avatar for Onsite Window Screening Pros of St. Louis
Onsite Window Screening Pros of St. Louis
5.0(
49
)
Door or Window Screens - Install or Repair

Serving Saint Peters, MO and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Shannon, the company's owner, came to bid the window screening job appropriately dressed and was courteous at all times. There was no pressure to choose his company, but he offered many reasons why we should. He and his crew showed up with everything required to complete the work. The work was done efficiently and done well. The results are excellent. We are very satisfied with the quality."
Porch rescreen
Porch repair
Patio repair
Patio rescreen
Same day Service!

+12

Response time4 hrs
Response rate86%
2 neighbors recently requested a quote
Avatar for Sane Windows, LLC
Sane Windows, LLC
5.0(
6
)
New Windows - 6 +New Windows - 3-5

Serving Saint Peters, MO and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

At Sane Windows and Doors, we believe in making the window and door buying experience as easy and transparent as possible. That’s why we stand out with superior customer support—from the moment you contact us to long after your project is complete. Unlike traditional sales-focused window companies, we skip the high-pressure pitches and in-home visits. With our no-sales-pitch appointments and simple online pricing, you can explore your options, get a quote, and make decisions—all from the comfort of your home. It's window shopping made easy, without the hassle.

Double Hung Windows
Double Hung Windows
Picture Windows
Windows and Door
Large Windows

+4

Response time6 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for All-Type Window & Door, LLC
All-Type Window & Door, LLC
4.6(
25
)
New Windows - 6 +New Windows - 3-5New Window - Single+2 more

Serving Saint Peters, MO and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Brad installed windows in my home today 3/15/2022. Excellent job. On time perfect install customer service is outstanding. His team will start the siding on Thursday. I canâ t wait. 5 stars for every category. This guy knows what heâ s doing and does it well. Good job. Brad"
Stemson
Legacy 2lt sliding window
Exterior view legacy sliding window
Bathroom windows
New windows and trim

+12

Response time1 day
8 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for St. Louis Window Tinting, LLC
St. Louis Window Tinting, LLC
4.7(
29
)
Window Tinting - Apply or Replace

Serving Saint Peters, MO and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"I canâ t express how satisfied I am with my windows and sliding door after the superior job completed by St. Louis Window Tinting. To say they are excellent is an understatement! But they are!!! It started with our sales consultant (Kathy), who took the time to explain the differences between products and the value each product would add. She scheduled us for the installation that day. The installation team Ed and Bob, weâ re excellent! They are very professional and knowledgeable. They answered all of my questions. They even took extra care to protect our home and did an amazing job!! Thank you St. Louis Window Tinting everything looks incredible! I HIGHLY RECOMMEND ST. LOUIS WINDOW TINTING!!!!"
Response time3 days
31 neighbors recently requested a quote
Recommended by100%of homeowners
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Windows FAQs, answered by experts

It’s easy to tell if you have low-E windows. Light a match or grab a pen light and hold it up to your windows. You should see multiple reflections in the window—four for double-pane windows. If one of the reflections is a slightly different color than the other three, you have low-E windows. If you don’t have low-E windows, all the reflections will be the same color.

To tell if a window is single or double-pane, focus on the edge. Double-pane windows have two glass layers separated by a spacer, which you can usually see around the edges. For single-pane windows, it’s just one sheet of glass. Another easy trick: shine a light at the window—single-pane glass reflects once, while double-pane glass reflects twice. Lastly, if you feel both sides of the glass on a cold day, double-paned windows will feel warmer because of the insulating gap between the panes.

Depending on the window style and your home's layout, you can install replacement windows from either the inside or the outside. Many installations are done from the inside because it allows for better access and weather protection, but some exterior installs are easier for certain types of siding or trim. The key is choosing the approach that gives you the best access to the frame while keeping the existing structure intact.

To keep cold out, look for treatments that sit close to the window frame and are made from thick, insulating materials. Thermal curtains, cellular shades, window quilts, and insulated shutters can all help retain heat. Layering window treatments, like pairing lined curtains with cellular shades, can provide even better insulation by further reducing drafts and heat transfer.

Basements are generally required to have windows for your safety. At a minimum, windows should provide an egress in the event of a fire. But basement windows do more than offer a way out; basement windows also offer natural light and ventilation in an area of your home that is otherwise dark and musty.

The Saint Peters, MO homeowners’ guide to window services

From average costs to expert advice, get all the answers you need to get your job done.