The Best Window Installers in Westport, SD

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

#1

Aberdeen Glass & Window Co.

4.7
(120 reviews)
Verified

A long-standing, family-owned business specializing in a comprehensive range of glass and window services. They are a top choice for residential projects in the Aberdeen area and are known for their professional installation, strong customer service, and expertise in energy-efficient solutions. They explicitly serve the broader region, including towns like Westport.

1014 S Main St, Aberdeen, SD 57401

Specialties & Features

Window replacement
Energy-efficient windows
Custom window solutions

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Kessler's Window & Siding

4.6
(85 reviews)
Verified

A highly-rated contractor known for quality exterior remodeling work, including window and door installation. They focus on residential replacement and new construction, offering products from leading manufacturers. Their reputation for quality craftsmanship and clear communication makes them a trusted provider for the northeastern South Dakota region.

3810 S Broadway Ave, Aberdeen, SD 57401

Specialties & Features

Residential window replacement
New window installation
Window repair services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Watertown Glass & Paint Inc.

4.5
(90 reviews)
Verified

While located in Watertown, this well-established company serves a wide area of east-central South Dakota. They offer full-service glass and window solutions, including repair, replacement, and installation of standard, custom, and security windows. They are a reliable option for residents seeking a provider with a long track record and a broad service area.

1001 9th Ave SW, Watertown, SD 57201

Specialties & Features

Window repair services
Storm windows and security windows
Custom window solutions

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Westport

** The window service market for Westport, SD, is entirely served by contractors based in larger neighboring cities, primarily Aberdeen (approx. 30 miles west) and Watertown (approx. 50 miles east). Due to the lack of local competition, residents must rely on these regional providers. The market is characterized by a moderate level of competition among a handful of established, long-standing companies, which helps maintain a high standard of quality and service. Typical pricing for window replacement in this region is competitive with national averages, but project costs can be influenced by travel distance. A standard double-hung vinyl window installation for an entire home can range from $5,000 to $15,000+, depending on the number of windows, brand, energy efficiency features, and the complexity of the installation. The leading contractors are generally well-licensed, insured, and have strong reputations built over decades, providing residents with reliable, albeit non-local, options for their window needs.

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 Westport regulations and climate

Frequently Asked Questions About Windows in Westport

Get answers to common questions about windows services in Westport, South Dakota.

1What is the typical cost range for a full home window replacement in Westport, and what factors influence the price?

In the Westport area, a full home window replacement typically ranges from $8,000 to $20,000+, depending on the home's size and window count. Key cost factors include the window material (vinyl, wood, or composite), the energy efficiency rating (crucial for South Dakota's extreme temperature swings), and the complexity of the installation, such as dealing with older home frames. Local labor rates and the choice between standard stock sizes versus custom sizes also significantly impact the final quote.

2When is the best time of year to schedule window installation in Westport, SD?

The ideal installation windows in Westport are during the late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather, which is safer for installers and prevents moisture intrusion during the project. Scheduling well in advance for these seasons is critical, as South Dakota's harsh winters make exterior work difficult and potentially less effective for proper sealing, and summer can be booked solid with local contractors.

3Are there specific energy efficiency features I should prioritize for Westport's climate?

Absolutely. Given South Dakota's cold winters and hot summers, look for windows with a low U-factor (for insulation against heat loss) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Double-pane, Low-E coated, argon-gas-filled windows are the standard recommendation for our climate. The Energy Star certification for the Northern climate zone is a reliable benchmark to ensure your new windows are optimized for Westport's weather extremes.

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

Prioritize local, licensed, and insured contractors with proven experience in South Dakota's climate. Ask for references from recent projects in Westport or nearby towns like Aberdeen, and verify their familiarity with proper flashing and sealing techniques to withstand our wind and precipitation. Check their standing with the South Dakota Secretary of State and look for certifications from major window manufacturers, which indicate trained, authorized installers.

5Do I need a permit to replace my windows in Westport, and what about historic homes?

For standard, like-for-like window replacements in Westport, a building permit is often not required, but you must always check with the City of Westport or your local Brown County building department, as rules can vary. If you are altering the opening size or if your home is in a designated historic district, approvals are much more likely. For Westport's older homes, special considerations for preserving character and dealing with potentially unstable framing materials are common, so discuss this upfront with your installer.