The Best Window Installers in Union, SC

Compare the highest-rated windows professionals in Union, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Renewal by Andersen of Central & Western South Carolina

4.8
(200 reviews)
Verified

As a premier and nationally recognized brand, this local branch specializes in complete window replacement with a focus on high-quality, custom-built, and energy-efficient solutions. They are known for their professional consultation, full-service installation, and premium products.

120 Interstate Blvd, Spartanburg, SC 29303 (This is their primary office, they serve Union)

Specialties & Features

Custom window solutions
Energy-efficient windows
Full-frame window replacement

Business Information

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

Pella Windows & Doors of Greenville

4.7
(150 reviews)
Verified

Another industry leader, Pella's Greenville showroom provides sales and expert installation of their renowned window and door products. They offer a wide range of options, from standard replacements to high-performance, custom-shaped windows, with a strong emphasis on durability and innovation.

1155 Woodruff Rd, Suite J1, Greenville, SC 29607 (This is their primary office, they serve Union)

Specialties & Features

New window installation
Energy-efficient windows
Storm and security windows

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Union Glass & Mirror Inc.

4.5
(80 reviews)
Verified

A true local Union business, Union Glass & Mirror provides essential window repair and replacement services directly to the community. They are a practical choice for repairs, standard window replacements, and glass services, offering personalized service and quick response times.

128 S Pinckney St, Union, SC 29379

Specialties & Features

Window repair services
Residential window replacement
Glass services

Business Information

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

Why These Are the Top Windows Contractors in Union

** The window service market in and around Union, SC, is characterized by a mix of long-standing local contractors and the extended service areas of major regional providers based in Spartanburg and Greenville. Due to Union's size, there are limited dedicated "window-only" companies physically located within the city limits, creating an opportunity for reputable outside companies to serve the area. The average quality of service available is high, as homeowners have access to both trusted local handymen for repairs and nationally-backed installers for full replacements. Competition is moderate but healthy, ensuring several options for residents. Typical pricing reflects this range; basic repair or standard vinyl window replacement from a local provider can be very cost-effective, while full-home replacements with premium, energy-efficient custom windows from brands like Andersen and Pella command a significantly higher, premium price point. Homeowners in Union are advised to get multiple quotes to understand the scope and cost for their specific project.

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 Union regulations and climate

Frequently Asked Questions About Windows in Union

Get answers to common questions about windows services in Union, South Carolina.

1What is the typical cost range for a full window replacement on a home in Union, SC?

In Union, the cost for a full window replacement typically ranges from $400 to $1,000 per window, including professional installation. The final price depends on the window material (vinyl, wood, fiberglass), style (single-hung, double-hung, casement), and energy efficiency features. Given South Carolina's hot, humid summers, investing in Low-E glass and argon gas fills can offer better long-term energy savings despite a higher upfront cost, helping offset cooling expenses.

2Are there specific permits or local building codes in Union I need to be aware of for window installation?

Yes, the City of Union and Union County follow the South Carolina Residential Building Code. While a simple window replacement in an existing opening typically doesn't require a permit, any structural change to the opening size or if you're in a historic district may require one. Always verify with the Union County Building Codes Department, as regulations can vary, especially for homes in designated areas, to ensure compliance and avoid fines.

3What is the best time of year to schedule a window installation in Union, considering the local climate?

The ideal times are during the mild spring (March-May) and fall (September-November) seasons. Summers in Union are hot and humid, which can be uncomfortable for installers and homeowners with open windows, while winter can bring occasional freezing rain or ice. Scheduling during milder weather also allows for easier temperature management inside your home during the installation process and avoids peak contractor demand periods.

4How do I choose a reliable window installation contractor in the Union area?

Look for a contractor who is licensed, insured, and has verifiable local references. Check for membership in organizations like the Union County Chamber of Commerce and ask for proof of workers' compensation and liability insurance. A reputable local installer will understand the specific needs of homes in our area, such as managing humidity-related expansion/contraction and recommending materials that withstand our seasonal temperature swings and occasional severe storms.

5How can new windows help with energy efficiency in my Union home, and are there any local incentives?

New, energy-efficient windows with proper installation significantly reduce air leakage, which is crucial for managing both summer cooling and winter heating costs in South Carolina's variable climate. Look for ENERGY STAR® certified products. While there are no current Union-specific rebates, South Carolina residents may qualify for federal tax credits for certain energy-efficient improvements, so it's wise to consult with your installer about eligible products and keep all documentation.