The Best Insulation Contractors in Greenville, IA

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

#1

All American Insulation

4.8
(180 reviews)
Verified

A leading regional provider known for comprehensive home energy solutions. They specialize in both residential and commercial insulation, offering advanced solutions like spray foam and cellulose. Their strength lies in detailed energy audits to prescribe the most effective and cost-efficient insulation strategy.

515 5th St, Sioux City, IA 51101 (Serves Greenville and the broader tri-state area)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Attic insulation installation and upgrade

Business Information

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

Energy Seal LLC

4.7
(95 reviews)
Verified

Energy Seal is a specialist contractor focused on high-performance spray foam and air sealing services. They are particularly recognized for their expertise in creating tight building envelopes, which is critical for modern energy-efficient homes and for upgrading older properties in the Greenville area.

3808 S Lewis Blvd, Sioux City, IA 51106 (Services the Western Iowa region, including Greenville)

Specialties & Features

Spray foam insulation
Air sealing services
Crawl space and basement insulation

Business Information

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

Advanced Home Performance

4.6
(110 reviews)
Verified

This company takes a whole-home approach to energy conservation. They are experts in insulation removal and replacement, particularly in attics and crawl spaces, and are known for their professionalism and knowledge of available rebates and incentives for Iowa homeowners.

Serves the Siouxland area, including Greenville, IA (Mobile service-based)

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Greenville

** The insulation market for Greenville, Iowa, is characteristic of a rural community served by regional specialists. There are no dedicated insulation contractors physically located within Greenville itself, creating a market filled by highly mobile and established companies from Sioux City and the broader "Siouxland" region. The competition level is moderate but specialized; homeowners have several excellent options, but the providers are not low-cost, high-volume operators. They are quality-focused contractors. The average quality of service is high, as these companies rely on strong reputations and word-of-mouth in a regional market. Typical pricing is competitive with national averages but can be influenced by travel distance. Homeowners in Greenville can expect to pay a slight premium for mobilization compared to a customer in Sioux City, but this is standard. These providers are well-versed in Iowa's climate challenges and relevant building codes, and they are the primary source of information for state-specific energy rebate programs, making them a valuable resource for improving home efficiency and comfort.

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 Greenville regulations and climate

Frequently Asked Questions About Insulation in Greenville

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

1What are the most important types of insulation for Greenville, IA homes given our local climate?

For Greenville's cold winters and humid summers, a combination of air sealing and attic insulation is most critical. We recommend achieving at least R-49 to R-60 in your attic with blown-in cellulose or fiberglass to combat Iowa's temperature extremes. Properly insulating basement walls and crawl spaces is also vital to prevent cold floors and moisture issues common in our region.

2When is the best time of year to get insulation installed in Greenville?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for installation and allows contractors to complete work before the peak summer heat or winter freeze. Scheduling during these shoulder seasons also ensures your home is prepared for Greenville's harsh winter, and you may find better availability compared to the last-minute rush in late autumn.

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

Yes, Greenville residents should first check with MidAmerican Energy for direct rebates on adding insulation, which can significantly offset project costs. Additionally, Iowa has a sales tax exemption for certain energy-efficient building materials, and you may qualify for federal tax credits under the Inflation Reduction Act for meeting specific insulation R-value requirements. A reputable local installer will be familiar with these programs.

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

Always verify that the contractor is licensed and insured to work in Iowa. Ask for local references from homes in Greenville or nearby towns like Scranton or Jefferson, as they will have experience with our specific soil conditions and older housing stock. A trustworthy provider will perform a thorough energy audit or inspection before giving a quote and should clearly explain the recommended materials, R-values, and the airtightness sealing process.

5My older Greenville home feels drafty. Will new insulation alone solve this?

Not entirely; air sealing is the crucial first step. Many historic homes in Greenville have significant air leaks around windows, doors, and where the foundation meets the framing. We always recommend a comprehensive approach: first, conduct a blower door test to identify leaks and seal them, then add the appropriate insulation. This two-step process is the only way to truly improve comfort and energy efficiency against our strong prairie winds and winter chills.