The Best Insulation Contractors in Grantsville, WV

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

#1

Koala Insulation of West Virginia

4.8
(100 reviews)
Verified

A highly-rated, modern insulation contractor specializing in a comprehensive range of services including blown-in attic insulation, spray foam, and insulation removal. They emphasize energy efficiency, proper air sealing, and using recycled materials where possible. Their strong digital presence and centralized location in Bridgeport make them a top choice for the region.

1645 Johnson Ave, Bridgeport, WV 26330 (Serves the Grantsville area)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#2

Supreme Insulation & Home Improvement

4.6
(80 reviews)
Verified

A well-established local contractor known for reliability and a broad range of home improvement services, with a strong focus on insulation. They are a great option for traditional insulation methods like batt insulation in walls and floors, as well as basement and crawl space encapsulation. Their longevity in the Parkersburg area indicates strong local trust.

1012 George St, Parkersburg, WV 26101 (Serves the Grantsville area)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Attic insulation installation and upgrade

Business Information

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

Mountaineer Insulation

4.5
(60 reviews)
Verified

A reputable, locally-owned insulation company serving central West Virginia. They are known for their expertise in both residential and commercial projects and their knowledge of local building codes. They offer a full suite of services from energy audits to complete insulation installation, making them a solid all-around provider for the Grantsville region.

110 E Main St, Sutton, WV 26601 (Serves the Grantsville area)

Specialties & Features

Energy efficiency audits
Air sealing services
Spray foam insulation

Business Information

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

Why These Are the Top Insulation Contractors in Grantsville

The insulation market serving Grantsville, WV is characteristic of a rural area: there are very few, if any, dedicated insulation contractors physically located within the city limits. Residents primarily rely on established contractors from larger regional hubs like Bridgeport, Parkersburg, and Sutton. These companies routinely service a wide radius, covering multiple counties. The **competition level** is moderate among these regional players, which generally benefits consumers through competitive pricing and a focus on customer service to secure jobs from a wider geographic area. The **average quality** of service is high, as the companies that have survived and thrived have done so by building a strong reputation across their service regions. Many hold certifications from manufacturers like Owens Corning or are accredited by the BBB. **Typical pricing** is influenced by the travel distance to Grantsville, which may add a small premium to project estimates. However, pricing remains competitive with state averages. For a standard attic blow-in with cellulose, homeowners can expect a range of $1,500 - $3,000, while more complex projects like full-wall spray foam or crawl space encapsulation can range from $3,000 to $8,000 or more, depending on the home's size and existing conditions. It is always recommended to obtain at least two quotes for any project.

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 Grantsville regulations and climate

Frequently Asked Questions About Insulation in Grantsville

Get answers to common questions about insulation services in Grantsville, West Virginia.

1What is the most cost-effective insulation type for my older home in Grantsville, considering our local climate?

For Grantsville's climate with cold winters and humid summers, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective retrofit for older homes. These materials provide excellent thermal resistance (R-value) and help manage moisture, which is crucial given our regional humidity. While spray foam offers superior air sealing, its higher upfront cost means cellulose or fiberglass typically provides the best balance of performance and value for many local homeowners.

2When is the best time of year to schedule insulation installation in Grantsville, WV?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Calhoun County, which is important for proper installation of materials like spray foam and for attic work. Scheduling during these shoulder seasons also helps you avoid the peak summer heat and the busy winter rush when contractors are often booked with emergency heat-loss repairs.

3Are there any local Grantsville or West Virginia regulations or rebates I should know about before insulating?

While Grantsville follows statewide building codes, there are no unique local ordinances. However, West Virginia offers specific incentives. It's crucial to check for current rebates from utility providers like Appalachian Power or Mountaineer Gas, and federal tax credits for energy-efficient home improvements often apply. Always ensure your contractor obtains any necessary permits from the Calhoun County Building Department, especially for structural alterations.

4How do I choose a reliable insulation contractor serving the Grantsville area?

Prioritize contractors licensed and insured in West Virginia with proven local experience. Ask for references from homes in Calhoun or nearby counties (Gilmer, Ritchie) to see their work in similar climates and house styles. A trustworthy provider will perform a thorough energy audit, explain the recommended R-values for our climate zone (Zone 5), and provide a detailed, written estimate that includes air sealing—a critical step for our drafty Appalachian winters.

5My house feels drafty and has high humidity in summer. Can new insulation really help with both temperature and moisture in Grantsville?

Absolutely. Proper insulation, combined with air sealing, directly combats drafts by stabilizing indoor temperatures. For our humid climate, it also prevents warm, moist summer air from condensing inside cooler wall cavities, which reduces mold risk and improves comfort. Addressing the attic and basement/crawl space is particularly vital, as these are major sources of moisture infiltration and heat loss in our region's homes.