Expert Window Replacement Company – Since 1955

Window Replacement in Fargo

Drafty rooms. Fogged glass. Windows that won't budge. These aren't just annoyances — they're signs your windows are working against you. Nelson Window makes replacement simple: we measure, help you choose the right windows for your home and budget, and install them with the craftsmanship Fargo homeowners have trusted for nearly 70 years.

  • Free, no-obligation estimate
  • Full-service — measurement through installation
  • Energy Star certified options available
  • Residential & commercial

No obligation. We typically respond within 1 business day.

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Fargo Winters Are Hard Enough. Your Windows Shouldn't Make It Worse.

Old or failing windows don't just let in cold air — they drive up your energy bills, make rooms uncomfortable, and quietly chip away at your home's value. The good news: replacement windows from Nelson Window pay for themselves over time through energy savings, improved comfort, and increased curb appeal.
For nearly 70 years, F-M area homeowners have trusted Nelson Window to handle this the right way — honest guidance, quality products, and installation done right the first time.

Signs It’s Time
To Replace Your Windows

Not sure if replacement is the right call? Here's what our customers typically notice before they reach out:

  • Drafts or Cold Spots Near Windows

    Feeling cold air even when your windows are closed? Failing seals and worn weatherstripping are among the most common culprits — and one of the biggest sources of energy loss in a home.

  • Fogged or Cloudy Glass

    Condensation trapped between panes means the seal has failed and moisture has gotten in. This can't be dried out — the window needs to go.

  • Windows That Stick, Won't Lock, or Won't Open

    Windows that no longer operate properly are a safety and security issue. Warped frames and broken hardware are signs the window has aged out.

  • Visible Frame Damage or Rot

    Feeling cold air even when your windows are closed? Failing seals and worn weatherstripping are among the most common culprits — and one of the biggest sources of energy loss in a home.

  • Rising Energy Bills

    Feeling cold air even when your windows are closed? Failing seals and worn weatherstripping are among the most common culprits — and one of the biggest sources of energy loss in a home.

  • Outdated Styles

    Feeling cold air even when your windows are closed? Failing seals and worn weatherstripping are among the most common culprits — and one of the biggest sources of energy loss in a home.

Not sure if you need a repair or full replacement? Schedule a free, no-obligation assessment with our team.

Window & Door Replacement Made Easy

Our Simple 3-Step Process

Getting new windows or doors doesn't have to be complicated. Here's how our process works from first call to finished project:

Step 1:

We Measure

We start with a visit to your home for precise measurements of the window or door you need replaced — no guesswork, no surprises on install day.

Step 2:

You Choose

Browse a wide selection of styles and materials to find the best fit for your home and budget. We'll walk you through your options and put together a detailed project estimate.

Step 3:

We Handle The Rest

Our full-service installation team removes your old window or door, installs the new one with care, and walks you through everything you need to know before we leave.

Replacement Window Styles We Carry

We carry replacement windows in every major style — so whether you're replacing like-for-like or upgrading to something new
entirely, we have options that fit your home and your vision. All available in vinyl, aluminum, and wood options.

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Double-Hung Windows

The most popular style for a reason. Both sashes open for easy cleaning and great ventilation. These are a practical choice for any room in the home.

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Casement Windows

Hinged on the side and cranked open with a lever, casement windows provide excellent airflow and a clean, modern look.

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Picture Windows

Fixed and frameless, picture windows are designed to maximize your view. Perfect for living rooms or any space where the scenery deserves the spotlight.

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Sliding Windows

Open horizontally on a track — easy to operate and a smart choice for rooms where a casement or double-hung isn't practical.

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Awning Windows

Hinged at the top and opening outward, awning windows let in fresh air during light rain – ideal for basements and kitchens.

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Commercial & Specialty

From apartment buildings and storefronts to churches and new construction. We install interior steel windows, commercial glass, mirrors, and screens.

See Your Home Differently, With New Windows

MoneyWavy

Lower Energy Bills

Energy-efficient windows with Low-E Argon glass reduce heat transfer — keeping your home warmer in winter, cooler in summer, and your utility costs lower year-round.

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Improved Comfort

No more drafty rooms in January or hot spots in July. Properly sealed, insulated replacement windows make a noticeable difference in whole-home comfort.

HouseLine

Better Aesthetics

New windows update the look of your home's exterior instantly. Whether you're selling or staying, it's an upgrade that's hard to miss from the street.

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Increased Home Value

Quality window replacement is one of the strongest ROI home improvements available. Buyers notice — and appraisers do too.

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Low-Maintenance

Many of our replacement window options — particularly vinyl — require minimal upkeep and hold up to harsh North Dakota weather without warping, rotting, or fading.

ShieldCheck

Strong Warranties

The products we carry are backed by solid manufacturer warranties. We'll walk you through the details on every product we recommend.

What Our Customers Are Saying

We could tell you all about why we think you'll love working with Nelson Window — but we'd rather let our customers do the talking.

"Nelson Window has been an amazing company to work with in the past few years. We are beyond pleased with the support we have received from the staff and the job they did making sure we were satisfied with the product."

- Angela B.

"We had Nelson Window put in a new picture window in our older home this summer. The window is gorgeous and the guys were so neat and tidy that I hardly knew they were there — except for the new window! I would recommend them to everyone."

-Linda K

"Great experience with this company! Friendly, knowledgeable staff and quick/timely installation of our window. Will definitely recommend!"

-Livia H.

Get Started

Ready For Replacement Windows?

Ready to improve your home's windows or doors? Fill out the form below and a member of our team will be in touch to schedule your free, no-obligation consultation.

Or call us instead

No obligation. We typically respond within 1 business day.