The Best Insulation Contractors in Summit Lake, WI

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

#1

Koala Insulation of North Central Wisconsin

4.9
(90 reviews)
Verified

A highly-rated, locally-owned franchise known for its comprehensive approach to home performance. They specialize in a wide range of insulation solutions and prioritize energy efficiency and air sealing to create a more comfortable and cost-effective home environment. They serve a wide area of the Northwoods.

2270 Blueberry Rd, Rhinelander, WI 54501 (Serves Summit Lake)

Specialties & Features

Spray foam insulation
Blown-in insulation
Air sealing services

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Energy Guard of the North LLC

4.8
(70 reviews)
Verified

A well-established local contractor with a strong focus on building science and energy efficiency audits. They are experts in diagnosing home performance issues and providing targeted solutions, including insulation upgrades and air sealing, often helping clients navigate available rebates.

225 S Anderson St, Rhinelander, WI 54501 (Serves Summit Lake)

Specialties & Features

Energy efficiency audits
Insulation removal and replacement
Basement and crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Langlade County Insulation

4.7
(50 reviews)
Verified

A trusted, long-standing family business based in the nearby city of Antigo. They have a strong reputation for reliability and quality workmanship in both new construction and retrofit projects throughout Langlade County and the surrounding Northwoods region.

N4046 State Hwy 64, Antigo, WI 54409 (Serves Summit Lake)

Specialties & Features

Attic insulation installation and upgrade
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 Summit Lake

** The insulation market serving Summit Lake, WI, is characterized by a small number of highly specialized, regional contractors based in larger nearby towns like Rhinelander and Antigo. The competition level is moderate; while there aren't dozens of companies, the ones that exist are established, reputable, and compete on quality of service and expertise rather than just price. The average quality is high, with several providers holding building performance certifications (like BPI) and demonstrating deep knowledge of the specific challenges presented by Wisconsin's climate, including extreme cold and moisture control. Typical pricing is in line with regional averages. For standard blown-in attic insulation, homeowners can expect a range of **$1,500 - $3,500**, depending on the square footage and insulation material (cellulose vs. fiberglass). Spray foam is a premium option, with costs ranging from **$3,500 to $7,500+** for an average attic due to material and labor intensity. Most reputable companies offer free, detailed estimates and are knowledgeable about local utility rebates (e.g., from Focus on Energy) and federal tax credits that can significantly offset the project cost.

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 Summit Lake regulations and climate

Frequently Asked Questions About Insulation in Summit Lake

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

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

For our cold Northern Wisconsin climate, attic insulation is the most critical and cost-effective upgrade. Summit Lake experiences long, harsh winters, and heat loss primarily rises through the roof. Ensuring your attic has sufficient levels of blown-in cellulose or fiberglass (typically R-49 to R-60 for our zone) is the first defense against high heating bills and ice dam formation on your roof.

2When is the best time of year to schedule insulation work in Summit Lake?

The ideal times are late spring (May-June) and early fall (September-October). These periods offer moderate temperatures, allowing contractors to properly ventilate your home during installation. Scheduling in summer can be busy, and winter installations are possible but may be complicated by snow blocking access to attics or crawl spaces and the need to manage indoor air quality while your home is sealed up.

3Are there any local rebates or incentives for insulation upgrades in the Summit Lake area?

Yes, Wisconsin homeowners can access significant incentives through Focus on Energy. This statewide program offers cash-back rebates for adding insulation and air sealing to meet prescribed R-values for our climate zone. Additionally, it's wise to check with your local utility provider, such as Wisconsin Public Service (WPS) or Xcel Energy, as they may have additional offers for customers in the Summit Lake region.

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

Look for a licensed and insured contractor with specific experience in our region's older cabins and year-round homes. Ask for local references in Oneida or Langlade County and verify they perform a pre-installation energy assessment (often required for rebates). A reputable provider will be knowledgeable about Wisconsin's building codes and the specific challenges of insulating lake homes against moisture and wind.

5I'm concerned about moisture in my walls. Is adding insulation safe for my Summit Lake home?

This is a vital concern for our area's humid summers and freeze-thaw cycles. A proper installation must include an assessment of existing moisture and a strategy for vapor control. For many older Wisconsin homes, using materials like closed-cell spray foam that acts as an air and vapor barrier can be effective, but the key is ensuring the assembly allows the wall to dry properly. A qualified local contractor will diagnose your specific situation to prevent mold and rot.