The Best Insulation Contractors in Deerfield, WI

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

#1

Capital City Insulation

4.8
(180 reviews)
Verified

A leading Madison-area insulation contractor known for comprehensive energy efficiency solutions. They are highly regarded for their professionalism, detailed energy audits, and expertise in both spray foam and blown-in cellulose. They frequently work with Focus on Energy programs to help customers secure rebates.

2830 Agriculture Dr, Madison, WI 53718

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Supreme Insulation

4.7
(120 reviews)
Verified

A family-owned and operated contractor serving south-central Wisconsin, including Dane County. They have a strong reputation for attic insulation upgrades and basement/crawl space encapsulation. Customers consistently praise their clean work and knowledgeable crew.

118 S Fair Oaks St, Cambridge, WI 53523

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Sun Prairie Insulation Co.

4.6
(90 reviews)
Verified

A well-established local provider with deep roots in the community. They are known for being reliable, responsive, and offering a wide range of insulation services, including removal and replacement of old insulation. Their proximity to Deerfield makes them a frequent choice for local projects.

1850 N Bristol St, Sun Prairie, WI 53590

Specialties & Features

Insulation removal and replacement
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Deerfield

** The insulation market in Deerfield, WI, is representative of a smaller community within a major metropolitan area (Madison). While there are no major, nationally recognized chains operating exclusively within Deerfield, the village is well-served by a competitive field of established regional contractors from surrounding cities like Sun Prairie, Madison, and Cambridge. The average quality of service is high, as these companies must adhere to Wisconsin's strict energy codes and often participate in the statewide **Focus on Energy** program, which requires certified installers and specific performance standards. This program also drives consumer awareness of rebates and energy efficiency. Competition is strong among the top-tier providers, which benefits homeowners through competitive pricing and a focus on customer service. Typical pricing for a standard attic blown-in cellulose insulation job in Deerfield can range from **$1,500 to $3,500**, heavily dependent on square footage and existing R-value goals. Spray foam projects are significantly more expensive, often starting at **$3,500+** for a smaller application. Most reputable companies offer free, detailed estimates and consultations that include a cost-benefit analysis of different insulation types.

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 Deerfield regulations and climate

Frequently Asked Questions About Insulation in Deerfield

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

1What is the most cost-effective type of insulation for my Deerfield home given our cold Wisconsin winters?

For most existing homes in Deerfield, blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. It provides excellent thermal resistance (R-value) and air sealing, which is critical for combating our long, cold winters where temperatures frequently drop below freezing. For new construction or major renovations, spray foam provides superior air sealing and R-value per inch but comes at a higher initial cost.

2When is the best time of year to have insulation installed in Deerfield?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for proper installation and allows for adequate attic ventilation during the work. While insulation can be installed year-round, scheduling during these shoulder seasons helps you avoid the peak summer heat in the attic and ensures the work is completed before the deep cold of a Wisconsin winter sets in.

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

Yes, Deerfield homeowners should first check with Focus on Energy, Wisconsin's statewide energy efficiency and renewable resource program. They often offer cash-back rebates for adding insulation to meet recommended R-values for our climate zone. Additionally, it's wise to inquire with your local utility provider, such as Alliant Energy or WE Energies, as they may have additional incentives, and some federal tax credits for insulation may also apply.

4How do I choose a reputable insulation contractor in the Deerfield area?

Look for a licensed and insured contractor with specific experience in Wisconsin's climate. Ask for local references in Deerfield or nearby towns like Cambridge or Sun Prairie, and verify they perform a thorough energy audit or assessment before quoting. A reputable provider will be knowledgeable about the specific building codes and recommended R-values for our region (e.g., R-49 to R-60 for attics in Southern Wisconsin).

5My house feels drafty and my energy bills are high in winter. Should I focus on the attic or the walls first?

In nearly all Deerfield homes, the attic is the top priority. Heat rises, and an under-insulated attic is the single largest source of heat loss during our harsh winters. Adding or upgrading attic insulation typically offers the fastest return on investment and the most significant improvement in comfort. After addressing the attic, then consider wall insulation, especially if your home is older and has empty wall cavities.