The Best Insulation Contractors in Fontana, WI

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

#1

Advanced Insulation Systems, Inc.

4.8
(120 reviews)
Verified

A highly-rated, family-owned and operated contractor specializing in comprehensive insulation and air sealing solutions. They are known for their professionalism, expertise in high-performance building techniques, and focus on improving home energy efficiency. They serve residential and commercial clients throughout Southern Wisconsin, including the Geneva Lake area.

715 Mill St, Lake Geneva, WI 53147 (Approx. 6 miles from Fontana)

Specialties & Features

Spray foam insulation
Attic insulation and air sealing
Crawl space and basement insulation

Business Information

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

Koala Insulation of Southern Wisconsin

4.7
(90 reviews)
Verified

Part of a national brand with a strong local presence, Koala Insulation offers a wide range of services. They emphasize free evaluations and use various insulation types (blown-in, batt, spray foam) to provide customized solutions. Their focus on education and rebate assistance is a noted strength.

W254S8500 Rockwood Dr, Waukesha, WI 53189 (Serves the Fontana area)

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Energy efficiency audits

Business Information

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

Energy Services, Inc.

4.6
(150 reviews)
Verified

A well-established company that provides a holistic approach to home performance. While they offer a full suite of insulation services, they are particularly recognized for their expertise in energy audits and air sealing, ensuring that insulation works at maximum efficiency. They serve Walworth County and the surrounding region.

W4098 County Rd H, Elkhorn, WI 53121 (Approx. 10 miles from Fontana)

Specialties & Features

Energy efficiency audits
Air sealing services
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Fontana

** The insulation market serving Fontana, WI, is characterized by a small number of highly specialized, regional contractors rather than a high volume of local, in-town competition. Due to Fontana's affluent lakeside community and mix of historic and modern homes, the demand is for high-quality, custom solutions focused on energy efficiency and comfort, not just basic installation. The average quality of service is high, as contractors operating in this market must be knowledgeable about both new construction and retrofitting older homes, often dealing with unique architectural challenges. Competition is strong among the few top-tier providers, who differentiate themselves through specialized expertise (e.g., spray foam, energy auditing) and superior customer service. Typical pricing is at a premium compared to national averages, reflecting the high level of service, expertise, and the cost of operating in a seasonal, resort-area market. Homeowners can expect to pay: * **Attic Blown-In Cellulose/Fiberglass:** $1,500 - $4,500+ * **Spray Foam Insulation (R-Value dependent):** $1.50 - $3.50+ per board foot * **Whole-House Energy Audit:** $400 - $800 * **Air Sealing Services:** $500 - $2,000+ Many providers assist homeowners in navigating available utility rebates from providers like We Energies, which can help offset the initial investment.

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 Fontana regulations and climate

Frequently Asked Questions About Insulation in Fontana

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

1What is the best type of insulation for my Fontana home given our local climate?

For Fontana's cold Wisconsin winters and humid summers, a combination of air sealing and high-R-value insulation is critical. We typically recommend spray foam in attics and basements for superior air sealing, or dense-packed cellulose in wall cavities, aiming for R-49 in attics and R-15 in walls. This combats significant heat loss in winter and helps manage summer humidity from nearby Lake Geneva.

2When is the best time of year to schedule insulation work in Fontana?

The ideal time is late spring (May-June) or early fall (September-October). These periods offer mild temperatures, allowing for proper installation of materials like spray foam, and are typically drier, which is crucial for attic work. Scheduling during these shoulder seasons also ensures your home is prepared before the severe winter cold sets in, and avoids the busy peak summer and pre-winter rush.

3Are there any local Wisconsin or Fontana-specific rebates or incentives for adding insulation?

Yes, Wisconsin homeowners have excellent incentives. Focus on Energy, a statewide program, offers cash-back rebates for adding insulation and air sealing to meet specific R-value targets. Additionally, your local utility (like We Energies or Alliant Energy) may have complementary rebates. We always recommend checking both programs, as they can significantly offset the project cost.

4How do I choose a reliable insulation contractor in the Fontana area?

Always verify the contractor is licensed and insured in Wisconsin. Look for local companies with extensive experience in our climate and ask for references from nearby projects. A reputable provider will perform a thorough energy audit or assessment first, and should be very knowledgeable about the Focus on Energy program requirements to help you maximize your rebates.

5My older Fontana home is drafty. Will new insulation alone solve the problem?

Not entirely. In older Wisconsin homes, air leakage is often the primary issue. Insulation works best when paired with comprehensive air sealing around windows, doors, sill plates, and penetrations. We conduct a blower door test to locate major leaks. Addressing air infiltration first, then adding insulation, is the most effective strategy for comfort and energy savings in our climate.