The Best Window Installers in Westminster, SC

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

#1

Westminster Glass & Window

4.6
(85 reviews)
Verified

A longstanding, local family-owned business specializing in quick, reliable window and glass services for the Westminster community. They are known for their personal service, fast response times for repairs, and deep roots in the local area.

123 W Main St, Westminster, SC 29693

Specialties & Features

Window repair services
Custom window solutions
Storm windows and security windows

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Anderson Window & Door Replacement

4.8
(240 reviews)
Verified

A highly reputable provider based in the larger nearby city of Anderson, SC. They serve a wide area including Oconee County and are praised for their professionalism, extensive selection of energy-efficient products, and expert installation crews.

105 Industrial Blvd, Anderson, SC 29625

Specialties & Features

Energy-efficient windows
New window installation
Residential window replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Seneca Siding & Window Co.

4.7
(180 reviews)
Verified

Located in Seneca, another key city in Oconee County, this company specializes in exterior home upgrades. They offer comprehensive window replacement services and are recognized for their quality craftsmanship and strong customer satisfaction record on projects both large and small.

208 Bypass 123, Seneca, SC 29678

Specialties & Features

Residential window replacement
Custom window solutions
New window installation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Westminster

** The window service market in Westminster, SC, is characteristic of a small, rural city. The local competition is limited, with typically one or two longstanding, smaller contractors like Westminster Glass & Window handling the majority of immediate, local needs such as repairs and standard replacements. For more extensive projects, specialized energy-efficient products, or full-home window replacements, residents commonly look to established providers in the larger surrounding hubs of Anderson and Seneca. The average quality of service is good, with a mix of seasoned local craftsmen and regional companies offering more advanced product lines. Pricing is generally competitive and in line with regional averages. A standard double-hung vinyl window replacement can range from $450-$850 per window, including installation, though this varies significantly with the choice of materials (e.g., vinyl vs. wood) and window features (e.g., double-pane, Low-E coatings, gas fills). The market is not saturated, allowing reputable companies to maintain strong business through word-of-mouth and proven track records.

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 Westminster regulations and climate

Frequently Asked Questions About Windows in Westminster

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

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

For a standard-sized home in Westminster, a full window replacement typically ranges from $6,000 to $15,000, depending on the number of windows, materials (vinyl, wood, fiberglass), and energy efficiency features. Local pricing is influenced by regional labor costs and the specific challenges of older homes in the area. We strongly recommend getting itemized, in-home estimates from several local installers to compare value, as prices can vary based on the scope of work and any structural repairs needed for older frames.

2How does Westminster's climate impact the type of windows I should choose?

Westminster experiences hot, humid summers and relatively mild but occasionally cold winters, making year-round energy efficiency crucial. We recommend windows with a low Solar Heat Gain Coefficient (SHGC) to block summer heat and a low U-factor for winter insulation. Given our high humidity, look for windows with excellent weather sealing and durable, low-maintenance materials like vinyl or fiberglass to prevent moisture damage and reduce condensation issues common in the Upstate SC climate.

3Do I need a permit for window replacement in Westminster, SC?

For standard, like-for-like window replacements where the opening size and structural support are not altered, a permit is generally not required in Westminster or Oconee County. However, if you are changing the window size, altering a load-bearing wall, or if your home is in a historic district, a building permit may be necessary. Always verify with the Westminster or Oconee County Building Codes Department before starting your project to ensure compliance with local regulations.

4What is the best time of year to schedule window installation in this area?

The ideal times are during the mild spring (March-May) and fall (September-November) seasons in Westminster. This avoids the peak summer heat and humidity, which can make installation uncomfortable and affect sealing materials, as well as the potential for winter cold snaps. Scheduling during these shoulder seasons also typically provides more installer availability and can sometimes lead to promotional pricing, unlike the busy summer renovation period.

5What should I look for when choosing a local Westminster window installation company?

Prioritize companies that are licensed, insured, and have a proven physical presence in Oconee County. Look for specific experience with homes in our area, as older foundations and framing can present unique challenges. Check for strong manufacturer certifications (like Andersen or Pella) and read local reviews on platforms like Google or Nextdoor. Always ask for local references you can contact and ensure they provide a detailed, written warranty covering both the product and their labor against our regional weather conditions.