The Best Insulation Contractors in Decorah, IA

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

#1

Semke Insulation & Services

4.8
(95 reviews)
Verified

A highly-rated, family-owned and operated business based in nearby Calmar. They are known for their professionalism, attention to detail, and expertise in modern insulation techniques. They offer comprehensive energy solutions, including energy audits and air sealing, making them a strong choice for whole-home efficiency.

203 West Main Street, Calmar, IA 52132 (Serves Decorah)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

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

Herges Insulation & Roofing

4.7
(80 reviews)
Verified

A well-established local contractor with a strong reputation in Northeast Iowa. While they offer roofing services, their insulation division is robust and experienced. They are praised for their reliable service, knowledgeable crews, and expertise in both new construction and retrofit projects for existing homes.

2799 240th St, Decorah, IA 52101

Specialties & Features

Attic insulation installation and upgrade
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

Driftless Energy Solutions

4.9
(50 reviews)
Verified

A specialized provider focused explicitly on home performance and energy efficiency. Based in the region, they serve Decorah and are experts in advanced insulation and air sealing techniques designed to meet high performance standards. They are the go-to provider for homeowners seeking to dramatically reduce energy bills and improve comfort through building science principles.

Serves Decorah from its regional base (No public storefront in Decorah)

Specialties & Features

Air sealing services
Spray foam insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Decorah

** The insulation market in Decorah, Iowa, is characteristic of a rural Midwestern community. It is not oversaturated with large national chains but is instead served by a handful of highly reputable, long-standing local and regional contractors. The competition level is moderate, which generally leads to high service quality as companies rely heavily on community reputation and word-of-mouth referrals. The average quality of providers is quite high, with many businesses having operated for decades and possessing deep knowledge of local building styles, climate challenges (cold, windy winters), and available utility rebates from providers like Allamakee Clayton Electric Cooperative. Typical pricing is competitive but can vary significantly based on the project scope and material choice. For example, spray foam insulation represents a premium investment, while blown-in cellulose or fiberglass for an attic is a more standard, cost-effective option. Homeowners can expect detailed, free estimates as a standard practice, and it is highly recommended to get multiple quotes due to the specialized nature of the work.

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 Decorah regulations and climate

Frequently Asked Questions About Insulation in Decorah

Get answers to common questions about insulation services in Decorah, Iowa.

1What is the best type of insulation for my Decorah home given our local climate?

For Decorah's cold winters and humid summers, a combination of air sealing and high-R-value insulation is critical. We typically recommend spray foam for its superior air barrier or dense-packed cellulose for existing walls, as both effectively combat Iowa's temperature extremes and reduce drafts common in our older housing stock. Attic insulation to at least R-49 is a top priority to prevent significant heat loss.

2When is the optimal time of year to schedule insulation work in Decorah?

The ideal times are late spring (May-June) and early fall (September-October). These periods offer moderate temperatures, allowing for proper installation of materials like spray foam, and are typically drier, which is crucial for attic projects. Scheduling during these shoulder seasons also avoids the peak summer heat and the deep winter freeze, making the process more comfortable and efficient.

3Are there any local rebates or incentives for insulation upgrades in Iowa?

Yes, Decorah homeowners should first check with Allamakee-Clayton Electric Cooperative or their specific utility provider for potential rebates on energy-efficient upgrades. Additionally, the State of Iowa occasionally offers weatherization assistance programs. It's also wise to consult a local tax professional about potential federal tax credits for qualified insulation improvements.

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

Look for a licensed, insured contractor with specific experience in Iowa's climate. Ask for local references in Decorah or nearby towns like Cresco or Waukon, and verify they perform a thorough energy audit or assessment before quoting. A reputable provider will be knowledgeable about the specific challenges of insulating Northeast Iowa's historic homes and modern builds alike.

5My energy bills are high, but is adding insulation to my older Decorah home worth the cost?

Absolutely. Given Decorah's heating degree days, inadequate insulation is a major cost driver. The investment often pays for itself in 3-7 years through reduced heating (and cooling) bills, while also increasing home comfort by eliminating cold spots and drafts. Improving your home's thermal envelope is one of the highest-return upgrades for our region's climate.