Compare the highest-rated windows professionals in Janesville, Wisconsin. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized and reputable company focusing exclusively on window and door replacement. They are known for their extensive selection of energy-efficient vinyl windows, professional installation crews, and strong customer service. They offer a direct-to-homeowner model which can provide cost savings.
A well-established, regional company serving multiple states, including Wisconsin. Feldco is a major player known for its factory-direct pricing, strong warranties, and a wide array of custom, energy-efficient window options. They have a significant marketing presence and a reputation for reliability and scale.
A family-owned and operated business based in the Madison area that has served Southern Wisconsin, including Janesville, for decades. They are recognized for their high-end product lines, custom installation expertise, and focus on complex window and door projects, including historic home renovations.
** The windows market in Janesville is competitive, characterized by a mix of local specialized contractors and larger regional companies vying for business. The quality of service is generally high, with a strong consumer focus on energy efficiency due to Wisconsin's climate, making features like double-pane, Low-E glass, and argon gas fills standard expectations. The competition helps keep pricing reasonable. For a standard, double-hung vinyl window replacement, homeowners can expect a typical price range of **$600 - $1,200 per window**, fully installed. This price can vary significantly based on the window brand, material (vinyl, wood, fiberglass), energy ratings, and the complexity of the installation (e.g., new construction vs. replacement, historical home requirements). The presence of reputable local providers like The Window Depot alongside powerful regional entities like Feldco and high-end specialists like Brennan provides Janesville residents with a robust range of choices to fit various budgets and project scopes.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Janesville regulations and climate
Get answers to common questions about windows services in Janesville, Wisconsin.
For a standard vinyl double-hung window replacement in Janesville, homeowners can expect to pay between $600 and $1,200 per window installed, with the total project cost heavily dependent on the number of windows. Key factors include the window material (vinyl, wood, fiberglass), the style and size (e.g., picture windows vs. custom shapes), and the condition of your home's existing frames. Wisconsin's energy efficiency standards and the need for windows with low-E glass and argon gas to combat our cold winters also impact the price, but they provide significant long-term savings on heating bills.
The ideal times are during the shoulder seasons of late spring (May-June) and early fall (September-October), when temperatures in Southern Wisconsin are moderate, allowing for proper sealing of installation materials. A professional crew can typically replace 10-15 windows in a single day for a straightforward retrofit installation. However, scheduling several weeks in advance is crucial, especially leading into summer and fall, as reputable local installers book up quickly. For full-frame replacements that involve structural adjustments, plan for multiple days.
Absolutely. Given Janesville's climate with cold winters, hot summers, and significant seasonal temperature swings, prioritizing energy efficiency is paramount. Look for windows with a low U-factor (for heat retention) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Wisconsin building codes emphasize energy performance, so ensure your installer provides windows that meet or exceed state codes. Proper installation to prevent air and water infiltration is also critical to withstand our freeze-thaw cycles and prevent ice dam issues.
Start by verifying that the contractor is licensed and insured in Wisconsin. Ask for local references from recent projects in Rock County and check online reviews specific to their Janesville service area. A trustworthy installer will provide a detailed, in-home estimate (not just a phone quote) and should be able to explain how they will handle Janesville's common historical home styles or address potential issues like old, out-of-square frames. Always ensure they pull the proper city of Janesville building permits, which protects you and ensures code compliance.
Older homes in areas like the Historic District or near downtown often have non-standard window sizes, settled frames, and original wood trim that homeowners wish to preserve. A quality installer will perform precise measurements and may recommend custom-sized windows or a "pocket" installation to fit within the existing frame, preserving interior trim. They must also properly assess and repair any existing water damage or rot in the sill or jamb—a common issue in Wisconsin's older homes—before installing the new window to ensure a lasting, weather-tight seal.