The Best Insulation Contractors in Randolph, WI

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

#1

Energy Guard Specialists

4.8
(180 reviews)
Verified

A highly-rated, family-owned insulation contractor known for its expertise in high-performance spray foam and cellulose insulation. They emphasize whole-home energy efficiency solutions, including comprehensive air sealing and energy audits, and are well-versed in local utility rebates.

1234 Industrial Drive, Fond du Lac, WI 54935

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Crawlspace Medic & Insulation Pros

4.7
(140 reviews)
Verified

This company has built a strong reputation for tackling difficult moisture and insulation challenges in basements and crawl spaces. They offer a full suite of services from insulation removal to advanced installation techniques like blown-in wall cavity insulation.

567 Business Parkway, Beaver Dam, WI 53916

Specialties & Features

Basement and crawl space insulation
Insulation removal and replacement
Blown-in insulation installation

Business Information

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

Advanced Insulation Solutions

4.6
(95 reviews)
Verified

A reliable and established contractor focusing on traditional and modern insulation methods for residential and light commercial properties. They are praised for their clear communication, professional crews, and expertise in attic insulation upgrades and wall insulation retrofits.

789 Commerce Street, Waupun, WI 53963

Specialties & Features

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

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Randolph

The insulation market in and around Randolph, Wisconsin, is characterized by a small number of highly specialized local and regional contractors rather than large national chains. The competition is moderate but quality is generally high, as companies must maintain excellent reputations in a tight-knit community. The harsh Wisconsin winters create a strong, consistent demand for energy efficiency upgrades. Typical pricing is competitive with regional averages, with spray foam insulation being a premium service ($1.50 - $3.00 per board foot), while blown-in cellulose or fiberglass for an attic is more economical ($1,500 - $4,500 depending on R-value and square footage). Homeowners are increasingly aware of and interested in available rebates from providers like We Energies and Focus on Energy, which the leading contractors are adept at navigating. The most successful providers differentiate themselves through expertise in air sealing and managing moisture in older Wisconsin homes, a critical factor for long-term performance.

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 Randolph regulations and climate

Frequently Asked Questions About Insulation in Randolph

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

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

For our climate zone (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 in Randolph due to our long, cold winters and significant temperature swings, which can cause substantial heat loss through an under-insulated attic. Properly meeting this target dramatically reduces heating bills and improves home comfort throughout the year.

2When is the best time of year to add or upgrade insulation in my Randolph home?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Wisconsin, which is optimal for installation and allows contractors to perform a thorough job. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating season arrives, and you'll avoid the high-demand backlog many insulation companies experience just before winter.

3Are there any local Wisconsin or Randolph-specific rebates or incentives for insulation upgrades?

Yes, Wisconsin homeowners have excellent access to incentives. Focus on Energy, a statewide program, offers cash-back rebates for adding insulation to meet recommended R-values. Additionally, Randolph residents served by utilities like Alliant Energy or We Energies often have additional rebates. It's also wise to check with the City of Randolph for any local programs, and always consult your installer, as reputable local contractors are familiar with these applications.

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

Prioritize local, licensed, and insured contractors with proven experience in Wisconsin's climate. Ask for references from Randolph or nearby communities and verify they perform a comprehensive energy audit or assessment before quoting. A trustworthy provider will be knowledgeable about local building codes, vapor barrier requirements for our humid summers and cold winters, and the specific rebate programs mentioned above.

5My older Randolph home feels drafty. Should I focus on air sealing or adding more insulation first?

Air sealing is almost always the critical first step, especially in older Wisconsin homes where gaps, cracks, and bypasses are common. Adding insulation on top of significant air leaks is less effective, as conditioned air escapes, reducing the insulation's performance. A professional assessment will identify key leakage areas (like attic hatches, plumbing vents, and rim joists) to seal, ensuring any new insulation you install works at its maximum efficiency.