Compare the highest-rated insulation professionals in Janesville, Minnesota. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated insulation specialist serving Southern Minnesota for over 45 years. They are highly regarded for their expertise in modern insulation techniques and their strong focus on improving home energy efficiency. They offer comprehensive energy audits and are well-versed in local utility rebates.
A well-established local contractor known for professional and clean installation services. They specialize in both residential and commercial projects and have a strong reputation for customer service and attention to detail, particularly in retrofit and new construction applications.
This provider focuses on a wide array of insulation solutions with a strong emphasis on air sealing to complement their work. They are a reliable choice for comprehensive home performance upgrades, including insulation removal and replacement in existing homes.
** The insulation market in and around Janesville, MN, is served primarily by established regional contractors from larger nearby cities like Mankato and Owatonna. The competition is moderate but of high quality, with several family-owned businesses boasting decades of experience. These companies are deeply knowledgeable about Minnesota's harsh climate and the specific building codes and energy efficiency requirements for the region. They are typically well-versed in rebate programs from providers like CenterPoint Energy and MN Energy Resources. Typical pricing is competitive with state averages. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (R-13 for walls):** $1.50 - $3.00 per board foot * **Whole-House Air Sealing:** $500 - $1,500 * **Energy Audit:** $300 - $600 (often credited towards work performed) Homeowners in Janesville have access to reputable, professional services, though scheduling may require some lead time due to the seasonal nature of the work and the contractors serving a wider geographic area.
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 insulation services in Janesville, Minnesota.
For Janesville's climate, achieving a high R-value is critical. Blown-in cellulose or fiberglass insulation is often recommended for attics because it provides excellent, seamless coverage to combat significant heat loss. The U.S. Department of Energy recommends attic insulation levels of R-49 to R-60 for our climate zone, which these materials can achieve when installed at the proper depth.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is safer for contractors working in your attic and allows for proper ventilation during installation. While insulation can be installed year-round, winter installations can be complicated by frozen ground for exterior work and summer attic temperatures can be dangerously hot for workers.
Yes, Minnesota offers excellent incentives. Homeowners should first check with the **Minnesota Department of Commerce, Division of Energy Resources** for statewide programs. Additionally, contact your local utility provider, such as Xcel Energy or Minnesota Energy Resources, which often have rebates for air sealing and adding insulation. These programs can significantly offset the project cost.
Always verify the contractor is licensed and insured in Minnesota. Look for local companies with strong community reputations and ask for references from past customers in the area. A trustworthy contractor will provide a detailed, written estimate that includes the R-value to be achieved, the specific materials, and a clear explanation of the work process, including necessary air sealing.
Absolutely. Ice dams are a common issue in our region and are primarily caused by a warm attic melting snow, which then refreezes at the colder eaves. Proper air sealing and upgrading attic insulation to the recommended R-49+ prevents heat from escaping into the attic, keeping the roof deck cold and preventing snow melt. This, combined with proper attic ventilation, is the most effective long-term solution.