The Best Insulation Contractors in Milton, WI

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

#1

Energy Services of Southern Wisconsin

4.8
(150 reviews)
Verified

A highly reputable, family-owned and operated company based in Janesville with decades of experience. They are widely recognized as a leader in home energy efficiency solutions in the region. Their strengths include comprehensive energy audits and a full suite of insulation and air sealing services, backed by strong manufacturer certifications.

110 S River St, Janesville, WI 53548

Specialties & Features

Energy efficiency audits
Blown-in attic insulation
Air sealing services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of Southern Wisconsin

4.9
(80 reviews)
Verified

Part of a national brand with a strong local franchise presence in Janesville. They receive consistently excellent reviews for their professionalism, clear communication, and detailed service. They specialize in all types of residential insulation, with a focus on both new installations and replacement projects.

1905 Center Ave, Janesville, WI 53546

Specialties & Features

Spray foam insulation
Insulation removal and replacement
Basement and crawl space insulation

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#3

A-1 Quality Insulation

4.7
(100 reviews)
Verified

A well-established contractor serving a wide area of Southern Wisconsin, including Milton. They are known for their quality workmanship and expertise in various insulation types, from traditional fiberglass batts to modern spray foam applications. They are a reliable choice for both retrofit and new construction projects.

221 W Maple St, Sun Prairie, WI 53590

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Spray foam insulation

Business Information

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

Why These Are the Top Insulation Contractors in Milton

** The insulation market for Milton, Wisconsin, is characterized by strong regional competition from established providers in nearby Janesville and Madison. Due to Milton's size, there are no dedicated, highly-marketed insulation specialists operating solely within the city limits. However, this results in a high-quality competitive environment for residents, as they have access to well-regarded, long-standing companies from the broader Southern Wisconsin region. The average quality of service is high, with several contractors holding certifications from manufacturers like Owens Corning or BASF, and many being accredited with the Better Business Bureau. Competition is robust, which generally keeps pricing competitive and service standards high. Typical pricing can vary significantly based on the project; a basic attic blown-in insulation job might start in the $1,500 - $3,000 range, while a full home spray foam application or a complex insulation removal and replacement project can range from $5,000 to $15,000+. Homeowners are advised to seek multiple quotes and inquire about local utility rebates (e.g., from Alliant Energy or Madison Gas and Electric), which most of these top providers are well-versed in facilitating.

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 Milton regulations and climate

Frequently Asked Questions About Insulation in Milton

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

1What is the recommended insulation level (R-Value) for attics in Milton, Wisconsin homes?

For Milton's cold climate (Zone 6), the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This is crucial to combat our harsh winters and retain heat efficiently. Many older homes in the area have insufficient insulation, so an upgrade to this range is one of the most cost-effective energy improvements you can make.

2How do Wisconsin's seasonal changes affect the best time to schedule insulation work?

While insulation can be installed year-round, late spring through early fall is ideal in Milton. This allows for easier attic work before summer heat or winter cold set in, and ensures proper curing for materials like spray foam. However, addressing urgent drafts or heat loss in winter is still possible; a professional can assess and perform certain installations like basement rim joists or wall injections during colder months.

3Are there any local rebates or incentives in Wisconsin for upgrading my home's insulation?

Yes, Focus on Energy, Wisconsin's statewide energy efficiency program, offers cash-back rebates for qualifying insulation upgrades. Additionally, Milton residents served by Rock Energy Cooperative or Alliant Energy should check for specific utility incentives. These programs can significantly offset project costs, and a reputable local installer will be familiar with the application process.

4What should I look for when choosing an insulation contractor in the Milton area?

Prioritize licensed, insured contractors with specific experience in Wisconsin's climate. Ask for local references in Milton or nearby communities like Janesville, and verify they perform a thorough energy audit or assessment before quoting. Ensure they understand Wisconsin's building codes and vapor barrier requirements to prevent moisture issues common in our region.

5My older Milton home feels drafty. Is air sealing just as important as adding more insulation?

Absolutely. In fact, air sealing should always be done before adding new insulation. Drafts from leaky attics, basements, and around windows are a major source of heat loss in our windy winters. Sealing these gaps (e.g., around plumbing vents, chimneys, and rim joists) prevents conditioned air from escaping, making your new insulation far more effective and improving overall comfort.