Compare the highest-rated insulation professionals in Sun Prairie, Wisconsin. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned contractor specializing in comprehensive home insulation and air sealing services. They are known for their expertise in spray foam and blown-in cellulose, and they often work with homeowners to maximize energy efficiency rebates. They serve both residential and commercial properties in the Dane County area.
This provider has a strong reputation for insulation removal and replacement, particularly in older homes in the Sun Prairie and Madison area. They perform detailed energy audits to identify problem areas and offer solutions including basement, crawl space, and wall insulation.
While based in a neighboring city, Supreme Insulation Systems is a key player in the Sun Prairie market, known for professional installation and a wide range of insulation types. They are recognized for their knowledge of local building codes and their focus on creating tight building envelopes for new construction and retrofits.
** The insulation market in Sun Prairie, Wisconsin, is robust and competitive, driven by the city's growth and the state's cold climate, which makes energy efficiency a high priority for homeowners. The average quality of service is high, with several established contractors holding certifications from organizations like the Insulation Contractors Association of America (ICAA) and being accredited by the Better Business Bureau. Competition is strong among a mix of long-standing local companies and larger regional players, which helps maintain reasonable pricing and service quality. Typical pricing for a standard attic insulation job (blown-in cellulose) can range from $1,500 to $3,500, while more complex spray foam applications or full-home projects can range from $4,500 to $10,000+. Homeowners are increasingly seeking services that bundle insulation with air sealing to qualify for federal and local energy efficiency rebates, a trend that most top providers are well-equipped to handle. *Please note: While this information is based on real companies that serve the Sun Prairie area, it is always recommended to contact the providers directly to verify current services, licensing, insurance, and to request a free, personalized quote for your specific project.*
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Sun Prairie regulations and climate
Get answers to common questions about insulation services in Sun Prairie, Wisconsin.
For our climate, blown-in cellulose or fiberglass insulation in attics and walls is often the most cost-effective for retrofits, providing excellent thermal resistance (R-value) per dollar. Spray foam offers superior air sealing and higher R-value but at a greater upfront cost; it's a strong investment for sealing rim joists and crawlspaces against cold drafts. Focus Energy Cooperative and other local utilities often offer rebates for adding insulation, which can significantly offset the cost and improve long-term savings on heating bills.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for certain materials like spray foam to cure properly and for attic work to be bearable. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating season, and you'll find greater contractor availability compared to the busy late summer rush.
Yes, Sun Prairie follows the Wisconsin Uniform Dwelling Code (UDC), which mandates minimum R-value requirements for different parts of the home (e.g., R-49 for attic insulation). Furthermore, the City of Sun Prairie may have specific requirements for permits, especially for major renovations or new construction. A reputable local installer will be fully versed in these codes and handle any necessary permits, ensuring your upgrade is compliant and safe.
Look for licensed, insured contractors with proven experience in Wisconsin's climate. Check for memberships in local associations like the Wisconsin Builders Association and read verified reviews on Google or Nextdoor specific to the Dane County area. Always get 2-3 detailed, written estimates that include a scope of work, specified R-values, and a breakdown of costs for materials and labor—not just a total price.
Absolutely. Ice dams are a common Wisconsin problem caused by heat loss from a poorly insulated attic melting snow, which then refreezes at the eaves. The primary solution is increasing attic insulation to R-49 or higher and ensuring proper attic ventilation to keep the roof deck cold. Additionally, air sealing gaps in the attic floor (around lights, pipes, and chimneys) is critical to stop the warm, moist air from your living space from causing these issues and drafts.