The Best Insulation Contractors in Afton, WI

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

#1

Allstar Services Ltd.

4.8
(180 reviews)
Verified

A family-owned and operated business known for its comprehensive home performance services. They have a strong reputation for professionalism, detailed energy audits, and high-quality installation of both cellulose and spray foam insulation. They are a leading provider for energy efficiency upgrades in Southern Wisconsin.

1825 Center Ave, Janesville, WI 53546 (Approx. 10 miles from Afton)

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

Cardinal Home Energy LLC

4.7
(90 reviews)
Verified

Specializes in creating more comfortable and energy-efficient homes through advanced insulation and air sealing techniques. They are well-regarded for their expertise in complex projects, including historic homes, and for their knowledge of available utility rebates.

20 N Parker Dr, Janesville, WI 53545 (Approx. 12 miles from Afton)

Specialties & Features

Blown-in insulation installation
Insulation removal and replacement
Basement and crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Rock County Insulation

4.6
(70 reviews)
Verified

A local contractor focused specifically on insulation services. They are a reliable and cost-effective option for standard insulation projects, including attic and wall insulation. They have built a strong local reputation for quality workmanship and customer service.

Serves the greater Rock County area, including Janesville, Beloit, and Afton.

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Blown-in insulation installation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Afton

** The insulation market serving Afton, WI, is characterized by a small number of highly specialized, regional providers rather than a high volume of local competitors. Due to Afton's rural nature, the most reliable contractors are based in nearby Janesville and Beloit, which act as commercial hubs for the region. The average quality of service is high, as these established businesses compete on reputation, expertise, and service quality rather than price alone. **Competition Level:** Moderate. There are several well-established players, but not an oversaturated market. This leads to healthy competition focused on service and results. **Typical Pricing:** Pricing is in line with regional averages. For a standard attic blown-in cellulose insulation job, homeowners can expect a range of **$1,500 - $3,500**, depending on square footage and existing conditions. Spray foam insulation is a premium service, typically costing **$3,500 - $7,500+** for an attic space. Most reputable companies offer free, detailed quotes and are knowledgeable about potential rebates from providers like Alliant Energy, which can help offset the initial investment. A professional energy audit (highly recommended) typically costs **$300 - $600**.

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 Afton regulations and climate

Frequently Asked Questions About Insulation in Afton

Get answers to common questions about insulation services in Afton, Wisconsin.

1What is the best type of insulation for my home in Afton, given our cold Wisconsin winters?

For Afton's climate, with its long, cold winters (average lows in the teens) and hot, humid summers, a combination approach is often best. We typically recommend air-sealing first, then installing high-R-value materials like spray foam in attics and basements for air barriers, and dense-pack cellulose in wall cavities. This combats both conductive heat loss and the air infiltration common in older homes in the area, maximizing comfort and energy savings year-round.

2How much does insulation installation typically cost for a home in Afton, WI?

Costs in the Afton and greater St. Croix County area vary based on home size, existing conditions, and materials. For example, attic insulation for a 1,500 sq ft home can range from $1,500 to $3,500, while full-home dense-pack wall insulation may range from $2,500 to $5,000. We always provide a free, detailed inspection and quote, as hidden issues like old knob-and-tube wiring (common in historic Afton homes) can affect the project scope and price.

3When is the best time of year to add or upgrade insulation in Afton?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Western Wisconsin, which is optimal for attic work and ensures your home is fully prepared before the severe winter cold sets in. Scheduling during these shoulder seasons also provides better availability with local contractors compared to the last-minute rush in late fall.

4Are there any Wisconsin-specific rebates or incentives for insulation upgrades in Afton?

Yes, Afton homeowners should explore several key programs. Focus on Energy, Wisconsin's statewide energy efficiency program, offers cash-back rebates for qualifying insulation upgrades. Additionally, your local utility (like Xcel Energy) may have its own incentives. Importantly, new federal tax credits under the Inflation Reduction Act can cover 30% of project costs (up to $1,200 annually) for eligible materials meeting specific R-value requirements, making upgrades more affordable.

5What should I look for when choosing a local insulation contractor in the Afton area?

Prioritize contractors who are licensed, insured, and have specific experience with Wisconsin's climate and older home stock. Ask for local references in Afton or nearby communities like Hudson, verify they perform a thorough energy audit or assessment before quoting, and ensure they understand and comply with Wisconsin's building codes, especially regarding ventilation to prevent winter ice dams and summer moisture buildup in attics. A reputable provider will also help you navigate available rebates.