A close-up of a modern black-framed window with a grid design, installed on a light-colored exterior wall.

The Window Shopping Guide (Literally): What to Know Before You Replace

Written by Stacie Fischer

Owner of BN Exteriors

Replacing windows isn’t exactly thrilling cocktail party conversation—unless you hang out with a bunch of contractors (in which case, carry on). For the average homeowner, talking about windows feels like learning a new language. Low-E coatings? Double-pane argon gas? Uhh… is that something you cook with?
Let’s break down what you actually need to know before replacing your windows—without the technical jargon or the pressure of a fast-talking salesman who just had a triple espresso.

1. “Your Windows Are Fine” – Said No Energy Bill Ever

Old windows are like your favorite pair of jeans from 2006. Comfortable? Maybe. Flattering or functional? Debatable.
If your windows are drafty, foggy, hard to open, or look like they’ve seen every episode of “This Old House” in real time—it’s probably time to start shopping. Modern windows are built to actually keep your home comfortable and your energy bills out of therapy.

2. What’s in a Pane? (No, That’s Not a Typo)

When someone says “double-pane” or “triple-pane,” they’re not being dramatic—they’re talking insulation. Think of it like layering up in the winter. One layer = chilly. Two or three layers = cozy and less likely to sob when you open your heating bill.
A side-by-side comparison illustrating the internal structure of double-pane and triple-pane windows for energy efficiency.
Quick Tip: Double-pane is standard and works well in most Minnesota homes. Triple-pane adds extra insulation—great for harsh winters or noisy neighbors.

3. Low-E Coating: The Sunscreen for Your House

Low-E (low emissivity) coating is a thin layer on the glass that helps block UV rays. It keeps your home cooler in summer and warmer in winter. It also protects your furniture from turning fifty shades of faded.
Translation: Your couch won’t look like it’s been sunbathing through the window for five years straight.

4. New Construction vs. Replacement Windows: What’s the Diff?

Let’s clear something up: when it comes to replacing windows, the term “new construction” can sound dramatic—like you’re about to bulldoze the house. Don’t worry, you’re not.

Here’s the deal:

Low-E (low emissivity) coating is a thin layer on the glass that helps block UV rays. It keeps your home cooler in summer and warmer in winter. It also protects your furniture from turning fifty shades of faded.
At BN Exteriors, we recommend new construction-style installation for most window projects because it lets us address hidden damage, make sure your house is properly sealed, and ensures your windows last for real. It’s a little more work up front, but a whole lot more peace of mind long-term.

5. The Price Isn’t Just About the Glass

You’ll get quotes that range from “Okay, that’s doable” to “Excuse me, is this window made of unicorn bone?” The truth? Quality matters, but so does the installer.
BN Exteriors Tip: A great window with a bad install is like a gourmet meal served on a trash can lid. Choose a trusted, local installer (hint: it’s us) who knows what they’re doing and stands behind their work.

6. You Don’t Have to Pick Just One Style

Double-hung, casement, bay, slider—window styles have more variety than your streaming subscriptions. Think about function and aesthetics. Want ventilation? Go with casements or double-hung. Want drama? Bay windows, baby.
An illustrated guide showing four common window styles: Double-Hung, Casement, Bay, and Slider.

Ready to Window Shop (the Real Kind)?

You don’t need to become fluent in window-ese. You just need a friendly expert to walk you through it. At BN Exteriors, we offer free inspections and honest advice—no pressure, no gimmicks, and no drafts. We’ll help you figure out if your windows are up to the task… or if it’s time for them to hang up their hinges.
Call BN Exteriors for a free consultation: 651-423-7248 or visit bnexteriorsllc.com

About BN Exteriors

BN Exteriors is a locally owned and operated exterior company based in Farmington, MN. We specialize in roofing, siding, windows, and more.Whether your home has been hit by storm damage or it’s simply time for an upgrade, we’ve got you covered. We help Minnesotans love their homes — even during construction season.
BN Exteriors – Where Precision Meets Protection.
License #BC805219

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