The Best Insulation Contractors in Sussex, WI

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

#1

Home Insulation & Supply Co.

4.8
(150 reviews)
Verified

A family-owned and operated business with a deep-rooted presence in the local community. They are widely recognized for their expertise in both residential and commercial insulation, with a strong focus on energy efficiency and customer education. They are known for their meticulous workmanship and are a trusted partner for many local builders.

N58W22150 Silver Spring Rd, Sussex, WI 53089

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Insulation removal and replacement

Business Information

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

Energy Services, Inc.

4.7
(200 reviews)
Verified

A leading provider of comprehensive energy conservation services in Southeastern Wisconsin. They go beyond standard insulation by offering full-home energy audits and advanced air sealing services to maximize home comfort and efficiency. Their team is highly trained in the latest building science techniques.

W180 N9455 Premier Lane, Menomonee Falls, WI 53051 (Serves Sussex)

Specialties & Features

Energy efficiency audits
Air sealing services
Basement and crawl space insulation

Business Information

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

Energy One of Wisconsin, LLC

4.6
(80 reviews)
Verified

A specialized contractor focused exclusively on insulation and air sealing. They pride themselves on using high-quality materials and proven methods to solve difficult comfort issues in homes, particularly with attic and wall insulation projects. They are known for their responsive service and clear communication.

W226 N2940 Duplainville Rd, Waukesha, WI 53186 (Serves Sussex)

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Sussex

The insulation market in Sussex and the broader Waukesha County area is mature and competitive, characterized by a mix of long-standing local specialists and larger regional operators. The average quality of service is high, as homeowners in this climate are keenly aware of the importance of energy efficiency for managing harsh Wisconsin winters and humid summers. Competition drives a focus on professionalism, certifications (like BPI), and knowledge of local utility rebates, such as those offered by We Energies and Focus on Energy. Typical pricing varies significantly based on the project scope and material. As a general guide: * **Blown-in Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (closed-cell):** $3,000 - $7,500+ * **Wall Insulation (blown-in):** $2,000 - $5,000 * **Full Home Energy Audit:** $300 - $600 Consumers are advised to obtain multiple quotes and verify that contractors are properly licensed and insured before proceeding with any work. The providers listed above represent the top tier of service quality and reputation in the local market.

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 Sussex regulations and climate

Frequently Asked Questions About Insulation in Sussex

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

1What is the recommended insulation level (R-Value) for attics in Sussex, and why is it so important for our climate?

For Sussex homes, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-value is critical due to our Wisconsin climate, where winter temperatures frequently drop below freezing and summers can be hot and humid. Proper attic insulation prevents significant heat loss in winter, reduces cooling costs in summer, and helps mitigate ice dam formation on roofs, a common issue in our area.

2When is the best time of year to get insulation installed in Sussex, and can it be done in winter?

The ideal time for insulation projects in Sussex is late summer through early fall, as attics and crawlspaces are more accessible and weather is favorable. However, professional installation can absolutely be performed in winter. Reputable local contractors are equipped to work in cold weather, and insulating during winter provides immediate energy savings and comfort benefits during the coldest months, making it a worthwhile investment.

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

Yes, Wisconsin homeowners, including those in Sussex, should explore the Focus on Energy program. This statewide initiative offers cash-back rebates for installing qualified insulation upgrades that meet specific performance standards. Additionally, check with We Energies, the local utility provider, for any additional incentives. These programs can significantly offset the project cost, improving your home's efficiency and value.

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

Look for a licensed, insured, and locally established contractor with strong references from Sussex or Waukesha County neighbors. Ensure they provide a detailed, written estimate that includes the specific R-values, materials (like cellulose, fiberglass, or spray foam), and areas to be addressed. A trustworthy contractor will also perform an energy audit or assessment to identify your home's specific air leakage and insulation needs before proposing a solution.

5My older Sussex home feels drafty. Should I add more insulation, or is air sealing more important?

For most older homes in Sussex, air sealing is the critical first step. Adding insulation on top of significant air leaks (common around windows, sill plates, and attic penetrations) is far less effective. Wisconsin's windy winters magnify draft issues. A professional assessment will identify these leaks; sealing them first, then adding the recommended level of insulation, creates a comprehensive thermal barrier that maximizes comfort and energy savings year-round.