# Blog

Canonical: https://www.pennywindowstl.com/blog/

Window guides

# Straight talk on windows and doors.

Plain-language guidance from a St. Louis window company that has been at it since 1953. When to replace, choosing frame materials, what a new front door does, written the way we would explain it to a neighbor.

[![A new entry door installed by Penny Window on a St. Louis home](https://www.pennywindowstl.com/wp-content/uploads/penny/photos/entry-door/entry-door-1-1200.webp)

Latest · Guides

## First Impressions Doors vs. Penny Window: Choosing a St. Louis Entry Door

Shoppers comparing First Impressions Doors with a local St. Louis door shop have a real choice to make. Here is an honest look at the differences.

July 1, 2026·3 min read

Read the post →](/blog/first-impressions-doors-vs-penny-window/)

More guides

[![A St. Louis home fitted with new replacement windows](https://www.pennywindowstl.com/wp-content/uploads/penny/photos/replacement-windows/replacement-windows-1-1200.webp)

Guides

### Welcome to the New Penny Window

Our new website is live. Here is what changed, why we built it, and how it makes getting a free in-home estimate easier than ever.

June 28, 2026·3 min read](/blog/welcome-to-the-new-penny-window/)

[![Close view of older windows on a St. Louis home](https://www.pennywindowstl.com/wp-content/uploads/penny/photos/vinyl-windows/vinyl-windows-1-1200.webp)

Guides

### Six Signs It Is Time to Replace Your Windows

Windows tell you when they are done. Here are six signs to watch for, and what each one is costing you.

April 1, 2026·3 min read](/blog/signs-its-time-to-replace-your-windows/)

[![New vinyl double-hung windows on a St. Louis brick home](https://www.pennywindowstl.com/wp-content/uploads/penny/photos/double-hung/double-hung-1-1200.webp)

Guides

### Why So Many St. Louis Homeowners Choose Vinyl Windows

Vinyl is the most popular replacement window we install. Here is what it does well, and when another option might fit better.

January 31, 2026·3 min read](/blog/vinyl-vs-other-window-frames/)

[![A new entry door on a St. Louis home](https://www.pennywindowstl.com/wp-content/uploads/penny/photos/doors/doors-1-1200.webp)

Guides

### What a New Front Door Really Does for Your Home

A new entry door is one of the highest-impact upgrades a house can get. Here is what it changes, inside and out.

October 2, 2025·3 min read](/blog/what-a-new-front-door-does/)

A window question now?

## Do not wait on a guide.

Request a free in-home estimate or call and we will give you a straight answer today.

[Get a free estimate](/estimate)[(314) 867-4355](tel:+13148674355)