The Best Insulation Contractors in Castlewood, VA

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

#1

Airtight Solutions, Inc.

4.8
(140 reviews)
Verified

A highly-rated, specialized contractor focusing on advanced air sealing and spray foam insulation systems. They are known for their expertise in building science and creating high-performance, energy-efficient building envelopes for both residential and commercial properties.

36471 Lee Hwy, Bristol, VA 24202 (Serves the Tri-Cities region, including Castlewood)

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

Energy Guard Home Services

4.7
(95 reviews)
Verified

A dedicated insulation and energy conservation company offering a comprehensive suite of services from audits to installation. They are well-regarded for their professional crews and use of quality materials like cellulose and fiberglass blown-in insulation.

2600 E Oakland Ave, Johnson City, TN 37601 (Actively serves Southwest Virginia, including Russell County)

Specialties & Features

Blown-in insulation installation
Attic insulation upgrade
Insulation removal and replacement

Business Information

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

Tri-Cities Insulation

4.5
(80 reviews)
Verified

A reliable, local contractor providing a wide range of insulation services for existing homes and new construction. They are a solid choice for more traditional insulation projects like batt insulation in walls and basement/crawl space encapsulation, with a strong reputation for customer service.

31264 Porterfield Hwy, Abingdon, VA 24211 (Services the entire Tri-Cities area, including Castlewood)

Specialties & Features

Basement and crawl space insulation
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 Castlewood

** The insulation market serving Castlewood, VA, is characterized by a reliance on established regional contractors from the broader Tri-Cities area (Bristol, Kingsport, Johnson City). Due to Castlewood's smaller size and rural nature, there are no identified insulation specialists operating *exclusively* within the town limits. The competition is moderate, with a handful of highly reputable companies vying for projects in the region. These providers are generally of high quality, with many holding certifications from manufacturers like Owens Corning or BASF, and they are well-versed in Virginia building codes and potential energy rebate programs. Typical pricing is influenced by the cost of materials and the travel distance from their home offices. Homeowners in Castlewood can expect to pay a slight premium for travel compared to customers in Bristol or Abingdon. Average project costs are in line with national averages, with attic blown-in insulation ranging from $1,500 - $3,500, and more complex spray foam projects or full-home retrofits costing $5,000+. The market is service-oriented, with a strong emphasis on energy efficiency and solving comfort issues common in older Appalachian homes.

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 Castlewood regulations and climate

Frequently Asked Questions About Insulation in Castlewood

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

1What is the most important type of insulation for homes in Castlewood, VA, given our local climate?

For our humid subtropical climate with hot summers and cool winters, attic insulation is the top priority. Proper attic insulation (typically blown-in cellulose or fiberglass to an R-38 to R-60 rating) acts as a critical thermal barrier, preventing significant heat gain in summer and heat loss in winter. This directly combats high humidity issues by reducing the strain on your HVAC system, which helps control indoor moisture levels—a common concern in Southwest Virginia.

2Are there any specific local regulations or rebates in Castlewood for insulation upgrades?

While Castlewood itself doesn't have unique insulation codes, all work must comply with the Virginia Uniform Statewide Building Code (USBC), which sets minimum R-value requirements. More importantly, homeowners should explore rebates from their local utility, such as Appalachian Power, which often offers incentives for energy efficiency upgrades. Additionally, federal tax credits for insulation are available, making it a financially smart time to invest.

3When is the best time of year to get insulation installed in Castlewood?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in our region, which is optimal for installation and allows for proper ventilation of the work area. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our humid summers and chilly mountain winters arrive.

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

Always choose a contractor licensed by the Virginia Department of Professional and Occupational Regulation (DPOR). Look for established local companies with strong references in Russell County and surrounding areas, as they understand the specific construction styles and challenges of older homes here. Ensure they provide a detailed, written estimate that includes the type of material, R-value, square footage, and a clear scope of work.

5My older home in Castlewood feels drafty. Could inadequate insulation be the main issue, and what should I check first?

Absolutely, especially in homes built before modern energy codes. The first areas to inspect are the attic, basement or crawl space walls, and rim joists, as these are major sources of air infiltration and heat loss in our climate. We also recommend a professional energy audit, as many local providers can perform blower door tests to pinpoint exact leaks, ensuring your insulation investment solves the right problems for maximum comfort and savings.