The Best Window Installers in Sussex, WI

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

#1

Pella Windows & Doors of Waukesha

4.8
(200 reviews)
Verified

A premier provider known for its high-quality, energy-efficient, and custom-built windows. As a branch of a national brand with a local showroom, they offer extensive product lines, robust warranties, and professional installation services for both replacement and new construction projects.

20700 Swenson Dr, Suite 175, Waukesha, WI 53186

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

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

Window Universe of Milwaukee

4.7
(150 reviews)
Verified

A highly-rated regional contractor specializing in window replacement. They are praised for their professional installation crews, strong focus on customer service, and a wide selection of vinyl windows that prioritize energy efficiency and ease of maintenance.

Serves the Milwaukee Metro Area, including Sussex

Specialties & Features

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

Business Information

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

Window Repair Systems LLC

4.6
(80 reviews)
Verified

A local, specialized company that excels in window repair and restoration, in addition to full replacements. They are an excellent choice for homeowners looking to fix existing windows, install storm windows for added efficiency, or tackle custom and historical window projects with a personalized touch.

Serves Waukesha County and Southeastern WI, including Sussex

Specialties & Features

Window repair services
Storm windows and security windows
Custom window solutions

Business Information

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

Why These Are the Top Windows Contractors in Sussex

** The window service market in Sussex, Wisconsin, is characterized by high-quality competition from established providers in the surrounding Waukesha County and Milwaukee areas. Homeowners in Sussex benefit from this competitive landscape, which drives a focus on quality craftsmanship, energy efficiency (a key concern given Wisconsin's climate), and strong customer service. The market is a mix of nationally-recognized brands with local branches (like Pella) and strong regional or local contractors (like Window Universe and Window Repair Systems). This provides a range of options from premium, custom-built products to high-quality, standard replacement solutions. **Competition Level:** High. Numerous reputable companies compete for business, ensuring good service standards. **Average Quality:** Very Good to Excellent. The leading contractors are highly certified, insured, and have long track records. **Typical Pricing:** Mid to High. Pricing is reflective of the quality of materials and the skilled labor required. A standard vinyl double-hung window replacement can range from $600 to $1,200 per window fully installed, with custom wood, large picture windows, or complex installations costing significantly more. Most reputable companies provide free, in-home estimates.

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 Sussex regulations and climate

Frequently Asked Questions About Windows in Sussex

Get answers to common questions about windows services in Sussex, Wisconsin.

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

For a standard home in Sussex, a full window replacement project typically ranges from $8,000 to $20,000+, with costs influenced by the number of windows, window style (e.g., double-hung vs. picture), and material (vinyl, wood, fiberglass). Key local factors include the need for high-performance, energy-efficient glass to handle Wisconsin's cold winters and hot summers, and potential costs for addressing older home structures common in Sussex neighborhoods. Always get itemized quotes from local installers to understand material versus labor costs.

2When is the best time of year to schedule window installation in Sussex, WI, and how long does the process usually take?

The ideal installation windows are during the milder seasons of late spring (May-June) and early fall (September-October), avoiding the peak humidity of summer and the deep cold of Wisconsin winters that can complicate sealing. For a typical Sussex home, a professional crew can complete a full-house installation in 1-3 days, but scheduling lead times with reputable local companies can be several weeks, so planning ahead is crucial.

3Are there specific building codes or permit requirements in Sussex or Waukesha County that affect window installation?

Yes, window installations in Sussex must comply with Wisconsin's Uniform Dwelling Code (UDC) and local Waukesha County amendments, which govern egress requirements for bedrooms and structural integrity. While a simple like-for-like replacement often doesn't require a permit, changing the window's size, shape, or location typically does. A reputable Sussex-area installer will know these regulations and handle any necessary permit applications with the Village of Sussex Building Inspection Department.

4How should I choose a reliable window installation contractor in the Sussex area?

Prioritize local, established contractors with verifiable physical addresses, strong references from Sussex or nearby communities (like Lisbon or Lannon), and proof of proper licensing and insurance for Wisconsin. Look for companies experienced with our climate who are certified by major window manufacturers (e.g., Andersen, Pella), and always check their standing with the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) for any complaint history.

5With Sussex's climate, what are the most important window features for energy efficiency and durability?

Given the wide temperature swings, prioritize windows with a low U-factor (for insulation against cold) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Look for durable frames like vinyl or fiberglass that resist warping and for features like warm-edge spacers and argon gas fills to prevent condensation and heat loss. Proper installation with air and water sealing specific to Wisconsin's freeze-thaw cycles is just as critical as the window unit itself.