The Best Insulation Contractors in Winona, MN

Compare the highest-rated insulation professionals in Winona, Minnesota. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Allstar Insulation & Roofing

4.8
(120 reviews)
Verified

A locally owned and operated company based directly in Winona, Allstar is a full-service provider specializing in both residential and commercial insulation. They are particularly noted for their expertise in spray foam and blown-in cellulose, often working in tandem with their roofing services to provide comprehensive home envelope solutions. Their deep roots in the community mean they have extensive knowledge of local building practices and older home stock common in Winona.

1651 W 5th St, Winona, MN 55987

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Insulation removal and replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

HomeWorks of Rochester, Inc.

4.9
(250 reviews)
Verified

While based in Rochester, HomeWorks is a premier energy efficiency contractor serving the entire southeastern Minnesota region, including Winona. They are a Building Performance Institute (BPI) certified company, which underscores their commitment to whole-home energy solutions. They are highly regarded for their diagnostic approach, combining energy audits with air sealing and insulation for maximum effectiveness.

2125 38th St NW, Rochester, MN 55901

Specialties & Features

Energy efficiency audits
Air sealing services
Blown-in wall and attic insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Quality Insulation Company, Inc.

4.7
(180 reviews)
Verified

As a long-standing regional leader based in Rochester, Quality Insulation has served southeastern Minnesota for decades. They are a CertainTeed SELECT Installer, a certification that signifies a high level of product knowledge and installation expertise. They offer a wide array of insulation types and are known for professional service and knowledge of available utility rebates.

2815 10th Ave NW, Rochester, MN 55901

Specialties & Features

Blown-in insulation
Basement and crawl space insulation
Fiberglass batt insulation

Business Information

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

Why These Are the Top Insulation Contractors in Winona

The insulation market in Winona, Minnesota, is characterized by a mix of local specialized contractors and regional players from the larger Rochester area who actively compete for business. Due to the city's aging housing stock, including many historic homes, there is strong demand for insulation upgrades, air sealing, and energy efficiency improvements. The market is moderately competitive, with a few key players dominating the high-quality, specialized end of the market. Homeowners are generally well-served, but due to high demand, scheduling can require lead time, especially during the fall season. Typical pricing is in line with regional averages. Basic attic blown-in cellulose can range from **$1,500 - $3,500**, while more complex spray foam projects can range from **$3,500 to $8,000+** depending on the scope and R-value required. The presence of providers with BPI certification indicates a market that values comprehensive energy performance over simple material installation. Many homeowners take advantage of energy audit services to qualify for rebates from local utilities like Xcel Energy, making the comprehensive services offered by companies like HomeWorks particularly valuable.

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 Winona regulations and climate

Frequently Asked Questions About Insulation in Winona

Get answers to common questions about insulation services in Winona, Minnesota.

1What is the most cost-effective type of insulation for my older Winona home, considering our harsh winters?

For most older homes in Winona, air sealing combined with blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. This combination directly targets the largest source of heat loss—your attic—and is crucial for managing high heating bills during our Minnesota winters. While spray foam offers superior air sealing, its higher upfront cost means the payback period is longer, making blown-in insulation a practical first investment for many local homeowners.

2When is the best time of year to get insulation installed in Winona?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather which is safe for installers and allows for proper material application. Avoid deep winter installations when attic temperatures can be extreme, and summer when heat and humidity can affect certain materials like spray foam. Scheduling during these shoulder seasons also ensures you're prepared before the peak heating season hits.

3Are there any local Winona or Minnesota-specific rebates or incentives for upgrading insulation?

Yes, Winona homeowners should first check with Winona Municipal Utilities or their specific electricity and gas providers for potential rebates. Additionally, the State of Minnesota, through the Conservation Improvement Program (CIP), offers incentives that many local contractors can help you apply for. These programs are designed to offset costs because improving energy efficiency is a statewide priority due to our extreme climate.

4How do I choose a reputable insulation contractor in the Winona area?

Always verify the contractor is licensed and insured in Minnesota. Look for local companies with strong references in the Winona or Southeastern MN community and ask specifically about their experience with older home stock common in our area. A reputable provider will perform a thorough energy audit or inspection before quoting and should be knowledgeable about local building codes and the specific moisture management needs for our river valley climate.

5I'm concerned about ice dams on my roof. Can insulation help prevent them, and what else should be done?

Absolutely. Ice dams are a common Winona issue caused by heat escaping from the attic, melting snow on the roof. The primary solution is to increase attic insulation (to R-49 or higher per MN code) and, critically, ensure comprehensive air sealing to stop warm air leaks. This must be paired with proper attic ventilation (soffit and ridge vents) to keep the roof deck cold. A full system approach is necessary for long-term prevention.