The Best Insulation Contractors in East Troy, WI

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

#1

Energy Services of Wisconsin

4.8
(150 reviews)
Verified

A highly-rated, specialist contractor focusing on comprehensive home performance upgrades. They are particularly renowned for their expertise in spray foam and cellulose insulation, and they strongly emphasize the combination of air sealing with insulation for maximum energy efficiency. They conduct detailed energy audits to diagnose issues accurately.

W307 S5764 Highway 83, Mukwonago, WI 53149 (Serves East Troy)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

A-1 Insulation & Cleaning Services

4.7
(200 reviews)
Verified

A well-established and versatile company offering a wide range of insulation services for both residential and commercial properties. They have a strong local presence and are known for professional attic insulation projects, including removal of old insulation and installation of new blown-in cellulose or fiberglass. They also handle basement and crawl space insulation.

W226 N2940 Duplainville Rd, Waukesha, WI 53186 (Serves East Troy)

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Blown-in insulation installation

Business Information

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

Koala Insulation of Southeast Wisconsin

4.9
(80 reviews)
Verified

Part of a national brand with a strong focus on customer education and eco-friendly insulation solutions. They offer a full suite of services including blown-in attic insulation, spray foam, and batt insulation. Their process often includes a free evaluation and they are knowledgeable about modern materials and techniques for improving home comfort and reducing energy bills.

Serves Southeastern Wisconsin, including East Troy (Based in the region)

Specialties & Features

Blown-in insulation installation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in East Troy

** The insulation market serving East Troy, Wisconsin, is characterized by a mix of highly specialized home performance contractors and established, full-service insulation companies. Due to the city's climate with cold winters and warm summers, there is a consistent demand for high-quality insulation to improve energy efficiency and comfort. The competition is healthy but not oversaturated, favoring contractors with proven expertise and strong reputations. The average quality of service is high, as companies must compete on knowledge of local building codes and the ability to help homeowners navigate available utility rebates (e.g., from We Energies or Focus on Energy). Typical pricing is competitive with regional averages; for example, attic blown-in insulation can range from $1,500 to $4,500 depending on square footage and material, while more premium spray foam applications can range from $3,000 to $7,000+ for a standard attic. Customers are generally well-informed and expect detailed quotes and explanations of the work's projected energy savings.

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 East Troy regulations and climate

Frequently Asked Questions About Insulation in East Troy

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

1What is the most important type of insulation for homes in East Troy, Wisconsin, given our climate?

For our cold Wisconsin winters and humid summers, attic insulation is the most critical and cost-effective upgrade. Properly insulating your attic to at least R-49 (about 16-20 inches of blown-in cellulose or fiberglass) creates a thermal barrier that prevents significant heat loss in winter and blocks radiant heat gain in summer. This directly combats our high heating bills and improves overall comfort year-round.

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

While insulation can be installed year-round, late summer and early fall (August-October) are ideal. This timing allows for attic work before extreme winter cold sets in and avoids the peak humidity of midsummer, which can affect certain materials like spray foam curing. Scheduling during this window also ensures your home is sealed and efficient before the highest heating demands begin.

3Are there any local rebates or incentives for insulation upgrades in the East Troy area?

Yes, East Troy homeowners should first check with We Energies, the local utility provider, which offers rebates for adding insulation to meet specific R-value targets. Additionally, the statewide Focus on Energy program provides cash-back rewards for qualified home energy improvements, including insulation. A reputable local installer will be familiar with these programs and can often help you with the application process.

4What should I look for when choosing a local insulation contractor in Walworth County?

Prioritize contractors who are licensed, insured, and have specific experience with Wisconsin's climate and older home stock common in East Troy. Ask for local references, verify they perform a thorough energy audit or assessment before quoting, and ensure they understand and comply with Wisconsin's building codes for vapor barriers and ventilation, which are crucial to prevent moisture issues in our climate.

5My older East Troy home feels drafty. Is adding insulation the first step, or should I do something else?

Air sealing is the essential first step before adding bulk insulation. In older homes, drafts from gaps around windows, doors, attic hatches, and wiring/plumbing penetrations can undermine even the best insulation. A professional should perform a blower door test to identify these leaks. Sealing them first ensures your new insulation works at maximum efficiency, prevents ice dams on the roof, and improves indoor air quality.