The Best Window Installers in Saint George, UT

Compare the highest-rated windows professionals in Saint George, Utah. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Thermo Plus Windows & Doors

4.8
(180 reviews)
Verified

A highly-rated local company specializing in energy-efficient window and door replacements. They are well-regarded for their professional installation teams, strong focus on customer service, and expertise in both residential and commercial projects. They often work with leading brands like Simonton and Milgard.

1091 N. 2170 W. Suite A, St. George, UT 84770

Specialties & Features

Energy-efficient windows
New window installation
Custom window solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Window World of Southern Utah

4.7
(150 reviews)
Verified

As part of the nation's largest window replacement company, this local franchise brings extensive buying power and a standardized process to the Saint George market. They are known for offering affordable, value-priced window solutions with a strong warranty. Their focus is primarily on vinyl replacement windows.

253 W. St. George Blvd., St. George, UT 84770

Specialties & Features

Residential window replacement
Energy-efficient windows
Storm windows and security windows

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Renewal by Andersen of Salt Lake City

4.9
(100 reviews)
Verified

While based in the Salt Lake City area, this premier provider actively serves the entire state, including Saint George, due to high demand for their premium products. They are a top-tier choice for homeowners seeking a full-service, high-end experience. They manufacture and install their own proprietary, high-performance Fibrex® composite windows, offering exceptional durability and energy efficiency.

307 W. 200 S. Suite 2003, Salt Lake City, UT 84101 (Serves St. George)

Specialties & Features

Custom window solutions
Energy-efficient windows
New window installation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Saint George

The window service market in Saint George, Utah, is robust and competitive, driven by the city's rapid growth, extreme desert climate, and a housing stock that includes both new construction and older homes. The high demand for energy efficiency is paramount due to hot summers and chilly winters, making Low-E glass and double-pane insulated units the standard. Competition is strong between a few dedicated local contractors and regional or national franchises that have established a local presence. Pricing typically ranges from mid-tier for standard vinyl replacement windows from companies like Window World to premium for full-frame, custom solutions from providers like Renewal by Andersen. Homeowners in Saint George generally have access to high-quality service providers who are well-versed in the specific environmental challenges of the region.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Saint George regulations and climate

Frequently Asked Questions About Windows in Saint George

Get answers to common questions about windows services in Saint George, Utah.

1What is the typical cost range for a full window replacement on a home in Saint George?

In Saint George, the cost for a full window replacement typically ranges from $600 to $1,200 per window installed, depending on the window type, size, and quality. Factors like the intense local sun and heat often make energy-efficient upgrades like Low-E glass and argon gas fills a worthwhile investment, which can influence the higher end of the price range. Always get 2-3 detailed, written estimates from local, licensed contractors to ensure a fair price for your specific project.

2When is the best time of year to schedule window installation in Saint George, Utah?

The ideal times are during the mild spring (March-May) and fall (September-November) seasons. Summer installations are possible but can be uncomfortable for crews and homeowners due to extreme heat, while winter work is less common due to potential cold snaps that can affect sealing materials. Scheduling in the off-peak seasons can also provide better availability from reputable local installers.

3Are there specific window features or materials recommended for Saint George's desert climate?

Absolutely. Given our high temperatures, intense UV exposure, and occasional dust storms, windows with a low Solar Heat Gain Coefficient (SHGC) and Low-E coatings are crucial to reduce heat gain and protect interiors. Vinyl or fiberglass frames are excellent choices as they resist expansion/contraction from heat and won't fade, unlike some wood frames. Dual-pane glass with argon gas is the standard for insulation against both summer heat and occasional winter chill.

4Do I need a permit from the City of Saint George to replace my windows?

For standard, like-for-like window replacements where the opening size and location are not changing, a permit is generally not required. However, if you are altering the structural opening (making it larger or changing its shape), you will likely need a building permit. A reputable local installer will know the current City of Saint George building codes and will handle any necessary permitting process for you.

5How do I choose a reliable window installation contractor in the Saint George area?

Prioritize contractors who are licensed, insured, and have a strong local reputation with verifiable references. Look for companies experienced with the specific challenges of Southern Utah's climate. Check their standing with the Utah Division of Occupational and Professional Licensing (DOPL) and the Better Business Bureau. A trustworthy provider will offer a strong warranty on both the product and their labor.