The Best Insulation Contractors in Sullivan, WI

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

#1

A-1 American Services

4.8
(200 reviews)
Verified

A-1 American Services is a highly-rated, family-owned contractor with a strong focus on comprehensive home performance and insulation services. They are recognized for their expertise in energy efficiency audits, which allows them to diagnose and treat a home's specific insulation and air sealing needs effectively.

W204N11928 Goldendale Rd, Germantown, WI 53022

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Dr. Energy Saver - Southeastern Wisconsin

4.7
(150 reviews)
Verified

As part of a national network of energy efficiency experts, this provider brings a high level of technical knowledge and standardized processes. They are an excellent choice for homeowners seeking to maximize energy savings through a whole-house approach, including insulation, air sealing, and understanding available rebates.

Serving the Southeastern WI area, including Sullivan (Typically based out of a central location like Waukesha)

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Basement and crawl space insulation

Business Information

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

Hometown Heating & Air Conditioning

4.6
(80 reviews)
Verified

While primarily an HVAC company, Hometown Heating has built a strong reputation for integrating insulation and air sealing services to improve overall home comfort and system efficiency. Their local presence in Jefferson County makes them a convenient and trusted option for Sullivan residents.

1401 Center Ave, Jefferson, WI 53549

Specialties & Features

Insulation removal and replacement
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 Sullivan

** The insulation market serving Sullivan, Wisconsin, is characterized by a reliance on regional contractors from surrounding population centers like Jefferson, Germantown, and Waukesha. Due to Sullivan's rural nature, there are no large national chains physically located within the village itself. The competition level is moderate, with a handful of established, high-quality regional players dominating the market. These providers are typically well-versed in the specific challenges of Wisconsin's climate and are knowledgeable about local building codes and potential energy rebates from utilities like We Energies or Alliant Energy. Typical pricing is competitive but can be influenced by travel distance. Homeowners should expect: * **Blown-In Cellulose/Fiberglass:** $1,500 - $3,500 for a standard attic. * **Spray Foam Insulation:** $2,000 - $5,000+ depending on the area and foam type (open vs. closed cell). * **Air Sealing Audits & Services:** $500 - $1,500 as a standalone service, often bundled with insulation projects. The overall quality of service available to Sullivan residents is high, as the contractors that succeed in this market are established, reputable, and rely on strong word-of-mouth referrals.

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 Sullivan regulations and climate

Frequently Asked Questions About Insulation in Sullivan

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

1What is the recommended insulation level (R-Value) for attics in Sullivan, Wisconsin, and why is it so important here?

For Sullivan's cold climate (Zone 6), the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-value is critical to combat our harsh winters, significantly reducing heat loss through the roof, lowering heating bills, and preventing ice dams which are a common issue in Southeastern Wisconsin due to temperature fluctuations.

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

While insulation can be installed year-round, the ideal times in Sullivan are late spring and early fall. These periods typically offer mild, dry weather, allowing for proper attic ventilation during installation and ensuring your home is sealed before the extreme cold sets in. Scheduling during these shoulder seasons also avoids the peak summer and winter rush for local contractors.

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

Yes, Wisconsin homeowners should explore Focus on Energy programs. While specific rebates vary, they often provide cash-back incentives for adding insulation to meet prescribed R-values. Additionally, check with We Energies, the local utility provider for Sullivan, for any direct rebates or energy assessments that can identify cost-effective upgrades for our region.

4What should I look for when choosing a local Sullivan or Waukesha County insulation contractor?

Prioritize contractors who are licensed, insured, and have specific experience with Wisconsin's climate challenges. Ask for local references in Sullivan or nearby communities and ensure they perform a thorough energy audit first. A reputable provider will be knowledgeable about state building codes, proper ventilation to prevent moisture issues common in our humid summers, and the best materials for our temperature swings.

5My older Sullivan home feels drafty. Where is the most cost-effective place to add or improve insulation?

The attic is almost always the first and most impactful area to address, as heat rises and escapes there rapidly. After the attic, sealing air leaks and insulating the basement rim joists (band joists) is highly effective in our climate, as this is a major source of cold drafts in winter. Focusing on these areas typically offers the best return on investment for energy savings in Wisconsin homes.