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(432) 955-4504
Family-Owned · Seminole, TX · Since 2024

Windows, doors, and siding, installed by your family-owned West Texas company.

Klassen Window & Door Co. is a proud family-owned business serving homeowners across West Texas and Southeast New Mexico. Family-owned and committed to the Permian Basin and South Plains since 2024.

Get my free quote See it on your house (432) 955-4504
BBB Accredited · A Rating Family-Owned Seminole, TX
Free Estimate · 4 quick questions

Build your free estimate in under a minute.

A few quick taps and a team member will be in touch to schedule a real on-site measure. No pressure, no spam.

Step 1 of 5

What replacement services are you looking for?

Select all that apply.

How old are your current windows and doors?

A rough guess is fine, we'll confirm on-site.

What problems are you experiencing?

Select all that apply.

What window and door features are you looking for?

Select all that apply.

Where should we send your free estimate?

A team member will be in touch soon to set up a quick visit. Business hours Monday through Friday, 8 to 5.

Got it. Talk soon.

A team member will be in touch soon to schedule a free on-site measure. Monday through Friday, 8 to 5.

While you wait

Picture your new windows on your own home.

Upload a quick photo and our AI renders the change right onto your house in about 15 seconds. Free, no signup, no catch.

Try the visualizer
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Your info stays with us. No spam, no resold lists. Or call (432) 955-4504.

A Klassen Window & Door visit, a handshake with a homeowner on the front porch.
Who we are

A family-owned contractor you can actually count on.

Klassen Window & Door Co. is a family-owned business nestled in Seminole, TX, serving West Texas homeowners throughout the Permian Basin and South Plains. We're proud to be a trusted front-runner in the home improvement industry, with high-performance window and door solutions that elevate your home's curb appeal, functionality, and value.

Our office is at 714 US HWY 180 Unit E in Seminole. We're committed to quality and personalized service, covering the Permian Basin, South Plains, and Southeast New Mexico.

Why homeowners pick Klassen

Four things that set us apart.

We're a new entity, but we're not new to the work. Here's what we lead with, and what you can verify before you hire us.

BBB Accredited

Better Business Bureau Accredited since September 2024, with an A rating. Verify directly on bbb.org.

View BBB profile →

Family-Owned

The Klassen family lives in Seminole. Our office is on US 180, you'll see us in town long after the install is done.

Free Consultation

We measure your openings and walk you through the options, in your house, on your time. No charge. No pressure. No upselling.

Trusted Brands

We only install brand-name products with real manufacturer warranties, ProVia, C.H.I., Alside, and EuroShield.

Our promise to you

Together, as a team, we transform homes, one window and door at a time.

Our mission

Our mission is to give every homeowner complete peace of mind when they choose Klassen Window & Door Co. As a family-owned company rooted in Seminole, we deliver a first-class, professional experience on every project, pairing professional-grade products with expert in-house installation and the personal service that only comes from people who live and work in your community.

Our commitment to excellence

Our dedication to customer satisfaction drives everything we do. We stand behind every job with industry-leading, transferable warranties and a simple promise: honest written quotes, clean and on-time installations, and a team that is approachable, helpful, and trustworthy from your first call through the final walkthrough, across West Texas and Southeast New Mexico.

What we install

Everything for your home's exterior. Backed by one family-owned company.

We don't manufacture anything. We install brand-name products from manufacturers you can look up, with their warranties, our installation, and our family name on the work.

ProVia Endure

Vinyl Replacement Windows

ProVia Endure Series · ComforTech glass

Double-pane Low-E vinyl windows from the ProVia Endure Series, sized to fit your existing openings or custom-built for a remodel. Lifetime warranty that transfers with the home.

Double-hung Single-hung Sliding Casement Picture Bay
Browse windows See it on your house
ProVia

Entry Doors

Embarq · Signet · Heritage · Legacy

Fiberglass and steel entry doors from ProVia, custom-sized to your opening. ProVia describes its own company culture as faith-based.

Embarq fiberglass Signet Heritage Legacy steel
Browse doors See it on your house
C.H.I. Overhead

Garage Doors

Insulated · Carriage · Roll-up

We install C.H.I. Overhead Doors exclusively, durable, well-styled, with innovative design features. Spring & opener service included.

Insulated steel Carriage house Sectional Roll-up
Browse garage doors See it on your house
ProVia

Sliding Patio Doors

ComforTech Low-E · multi-point lock

ProVia sliding patio doors, double-pane Low-E, two-panel and three-panel configurations. Built for everyday West Texas use.

2-panel 3-panel Low-E Internal blinds
Browse patio doors
Alside

Siding · Soffit · Fascia

Prodigy · Charter Oak Vinyl

Insulated vinyl siding with foam-backing for energy savings, plus matching soffit and fascia. Pairs with windows as a single-quote package.

Prodigy insulated Charter Oak Soffit + fascia
Browse siding See it on your house
Bundle

Full-Exterior Package

All lines · Single quote · Single schedule

Windows, doors, and siding bundled together. Single quote, single schedule, one final walk-through for the whole exterior.

Single quote Single schedule Insurance-friendly
Build a package
Our easy 3-step process

From first call to done right.

Every Klassen project follows the same three steps. No surprises, no improvisation.

01

Measure

We come to your home, accurately measure your openings, show you product options and samples, and answer every question, at no charge.

02

Install

Once products arrive, we schedule promptly and arrive on time. Our installers do the job once and do it right. Backed by manufacturer and installation warranties.

03

Complete Satisfaction

We stand behind every project, before, during, and after. Our family name is on the work, that's the only standard we know.

Free tool · No signup · 15 seconds

Before you commit, picture it on your house.

Upload one photo of your home and our AI renders the new windows, doors, garage door, or siding right onto your actual facade. No catalogs, no guessing what beige siding will really look like on your bricks. See it first, then call us.

Try the visualizer Or get a free quote
  • Works with any home photo from your phone
  • 8 starter styles across windows, doors, and siding
  • Photo stays private to your device, never resold
Before A home before installing new siding
After The same home with new windows rendered by the AI visualizer
What our customers say

Verified reviews, coming soon.

We're collecting Google reviews directly from completed customers, starting this month. Until they land here, this section stays empty, not fabricated.

★★★★★

[ Verified Google review, to be added after Phase 1 review workflow launches. ]

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[ Pending ]
Town · Project · Date
★★★★★

[ Verified Google review, to be added after Phase 1 review workflow launches. ]

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[ Pending ]
Town · Project · Date
★★★★★

[ Verified Google review, to be added after Phase 1 review workflow launches. ]

?
[ Pending ]
Town · Project · Date

Ready when you are. Family-owned, Seminole-based.

One phone call to schedule a free in-home consultation. No corporate sales line, no upsell script.

Get my free quote Call (432) 955-4504
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