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3 Best Window Companies in Round Rock (2026)

Ranked by real Google ratings and review volume · How we chose

Brad Smith
By Brad Smith, Home Services Expert · ✓ Updated · 5 min read

We compared 17 window companies in Round Rock on Google Maps · 3 listed · How we rank

Old windows that let in heat and street noise are a common reason to start calling around, and the window companies in Round Rock differ in the brands they sell and where their showrooms are. The businesses below hold more than 400 Google reviews between them, rated from 4.6 to 5.0, and one has an office in Round Rock itself.

Short answer: Showroom Windows & Doors in north Austin holds a 5.0 from more than 140 reviews. Energy One Windows of Austin, with an office in Round Rock, has the most reviews (4.6 stars from more than 200), and Texas Window Store of Austin in Cedar Park is rated 4.9 across more than 60. Ask each for a written quote that names the brand, the glass and the installation.
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Window Companies Side by Side

# Business Rating Reviews Best for
1 Showroom Windows & Doors 5.0 ★ 144 Andersen, Marvin and Pella installs View ›
2 Energy One Windows of Austin 4.6 ★ 202 Energy-efficient replacement windows near Round Rock View ›
3 Texas Window Store of Austin 4.9 ★ 61 Windows and French doors from a Cedar Park storefront View ›
3 Best Window Companies in Round Rock (2026)

The window companies, one at a time

Showroom Windows & Doors logo
#1 Overall🕑 Open 6 days/wk↩ Responds to reviews

Showroom Windows & Doors

5.0144 Google reviews

Showroom Windows & Doors is a window and door installer with a showroom on Burnet Road in north Austin. Its site presents Andersen, Pella and Marvin windows and doors and says it serves Austin. Google also tags it as a door and window supplier, and reviewers describe replacement windows and a sliding door.

What people praise

  • One reviewer had eleven Marvin windows installed in a day, with plastic put up to control dust
  • A reviewer described it as a certified Marvin installer and chose it for the Marvin warranty
  • One reviewer said it was the only company out of several to notice some windows had already been replaced
  • Customers describe tidy cleanup and careful finishing work such as mortar, trim and paint

Worth knowing

  • Based in north Austin and its site refers to Austin, so confirm it schedules Round Rock homes
Reputation scorecardrank in Round Rock
Rating5 / 5
Review volume144 · 91st
Confidencemoderate
Recency2 weeks ago
Info completenesssite · phone · hours
Rating breakdown98% 5-star
✓ VerifiedSource: Google

Our take: A 5.0 across the second-largest review base on the page, with detailed install stories. It is a good call if you have a particular brand in mind, especially Marvin.

Website+1512-777-0461 Directions

13717 Burnet Rd #350A, Austin, TX 78727

EN
#2🕑 Open 5 days/wk↩ Responds to reviews

Energy One Windows of Austin

4.6202 Google reviews

Energy One Windows of Austin is a replacement window and patio door company with an office on Eagles Nest Street in Round Rock. It is the Austin location of a company whose site also lists offices in other cities. The site pitches energy-efficient replacement windows, in-home consultations, no-pressure sales and financing.

What people praise

  • One reviewer who chose the Solar Pro series said they noticed less heat through the glass and less noise right away
  • A reviewer said the installation crew was careful and left no glass behind
  • Another said the company did not try to upsell and offered money-saving options
  • A reviewer who got eight bids called it one of the least expensive installers

Worth knowing

  • At 4.6 it has the lowest rating on the page, so read recent feedback before you book
  • One reviewer who compared eight companies could not get the picture window they wanted from Energy One, so confirm your window style up front
Reputation scorecardrank in Round Rock
Rating4.6 / 5
Review volume202 · 97th
Confidencemoderate
Recency7 days ago
Info completenesssite · phone · hours
Rating breakdown86% 5-star
✓ VerifiedSource: Google

Our take: It has the largest review base on the page at 4.6, below the other two. The reviews favour friendly salespeople and clean installs, so ask for the full quote in writing.

Website+1512-342-8700 Directions

3101 Eagles Nest St #435, Round Rock, TX 78665

Texas Window Store of Austin logo
#3🕑 Open 5 days/wk↩ Responds to reviews

Texas Window Store of Austin

4.961 Google reviews

Texas Window Store of Austin is a window and door replacement company with a storefront on South Bell Boulevard in Cedar Park. Its site describes itself as family-owned and local to Central Texas, says it serves Austin and surrounding communities and lists a lifetime workmanship warranty. Reviewers describe window and French door replacements.

What people praise

  • One reviewer said both the installer and the window manufacturer came out together to fix two window issues
  • Customers praise professional crews, tidy cleanup and an explanation of the work before it started
  • A reviewer said everything was included in the price, from measurement to install
  • French door installations are described as going smoothly

Worth knowing

  • One reviewer had a scratched window and a cracked picture window after install, and both were resolved, so ask how damage is handled
  • Based in Cedar Park, so confirm Round Rock scheduling
Reputation scorecardrank in Round Rock
Rating4.9 / 5
Review volume61 · 74th
Confidenceearly
Recency7 months ago
Info completenesssite · phone · hours
Rating breakdown98% 5-star
✓ VerifiedSource: Google

Our take: A 4.9 from the smallest review base on the page. Reviewers like the way problems were handled, which is worth asking any installer about.

Website+1512-360-0612 Directions

720 S Bell Blvd Bldg 7D, Cedar Park, TX 78613

4

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How to read the scores

The scorecards use public Google data on the date shown. Rating is the live star average. Review volume shows how many people have rated each business, compared with other window companies in the Round Rock area. Confidence weighs the rating by that volume, so a 4.6 from a large crowd counts for more than a 5.0 from a few dozen. Recency shows how recently reviews have arrived.

What drives window replacement pricing in Round Rock

Window quotes depend on the number of windows, the brand and frame material, the glass package, and any extra work such as trim, stucco or brick repair. Large picture windows and sliding doors usually change the total. Prices depend on the home, so get quotes that spell out the brand, the glass and the installation.

Window companies across Round Rock

Energy One Windows of Austin has an office in Round Rock, Texas Window Store of Austin is in Cedar Park and Showroom Windows & Doors is in north Austin. Ask each company how it handles older frames and brick or stucco openings. Searching for window companies near me? Ask how long each one takes to schedule an install.

Questions for a window installer

  • Which brands and glass packages do you recommend for my home?
  • Is the quote in writing, and does it include removal, trim and cleanup?
  • What warranty covers the product, and what covers the installation?
  • Who handles a damaged or scratched window after install?
  • Can you do my window style, such as a large picture window?

Frequently asked questions

Which window companies have an office in Round Rock?

Energy One Windows of Austin lists an office on Eagles Nest Street in Round Rock. Texas Window Store of Austin is in Cedar Park and Showroom Windows & Doors is in north Austin, so ask both about scheduling in Round Rock.

Who installs Marvin, Andersen or Pella windows?

Showroom Windows & Doors’ site presents Andersen, Pella and Marvin windows and doors, and one reviewer described it as a certified Marvin installer. Texas Window Store’s site mentions trusted brands, so ask for its current brand list.

Do these companies replace patio and French doors too?

Reviewers describe French doors installed by Texas Window Store and a sliding door replaced by Showroom Windows & Doors. Energy One’s site lists replacement windows and patio doors.

What if a new window arrives damaged?

One Texas Window Store reviewer had a scratched window and a cracked picture window, and the installer and manufacturer worked together to replace them. Ask any company who is responsible for damage before you sign.

Before you sign

Showroom Windows & Doors suits brand-specific jobs and has the strongest rating, Energy One Windows of Austin has the biggest review base and a Round Rock office, and Texas Window Store of Austin is well reviewed for how it handled problems. Whoever you call, get the brand, glass and installation in writing and confirm Round Rock scheduling.

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