The Best Insulation Contractors in Kingsport, TN

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

#1

Koala Insulation of Kingsport

4.8
(120 reviews)
Verified

A locally operated branch of a national brand, Koala specializes in comprehensive home energy efficiency solutions. They are known for their detailed energy audits and expertise in both modern spray foam and traditional fiberglass/batt insulation. They strongly emphasize education and helping homeowners choose the right solution for their budget and efficiency goals.

2141 Brookside Ln, Kingsport, TN 37660

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Energy efficiency audits

Business Information

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

Allied Insulators

4.7
(90 reviews)
Verified

A long-standing, family-owned business serving the Tri-Cities region, including Kingsport. Allied Insulators has built a strong reputation for reliability and high-quality workmanship in residential and light commercial projects. They are particularly noted for their blown-in cellulose and fiberglass services and professional insulation removal.

415 E Sullivan St, Kingsport, TN 37660

Specialties & Features

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

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Tennessee Valley Insulation

4.6
(80 reviews)
Verified

While based in a nearby city, this provider is a major regional contractor that consistently serves the Kingsport area. They are praised for their expertise in sealing hard-to-treat areas like crawl spaces and basements, and for their knowledge of local utility rebates and building codes. They offer a full suite of insulation types.

3200 Bristol Hwy, Johnson City, TN 37601 (Serves Kingsport)

Specialties & Features

Basement and crawl space insulation
Air sealing services
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Kingsport

** The insulation market in Kingsport, TN, is moderately competitive and characterized by a few key local specialists and several regional contractors. The overall quality of service is high among the top-tier providers, who are well-versed in the specific climate challenges of Northeast Tennessee, such as managing both summer humidity and winter cold. Homeowners are increasingly seeking energy efficiency upgrades due to rising utility costs, driving demand for services like air sealing and spray foam insulation. **Competition Level:** Moderate. There are a handful of dedicated, reputable insulation companies, alongside many general handymen who may offer basic services. For specialized work like spray foam or full-home energy audits, the field narrows significantly to the established experts. **Typical Pricing:** Pricing is generally in line with national averages but can be influenced by the specific home and material choice. * **Blown-in Attic Insulation:** $1,500 - $3,500 * **Spray Foam Insulation (R-13 for a wall):** $1.50 - $3.00 per board foot * **Whole-House Air Sealing:** $500 - $2,000 * **Insulation Removal:** $1 - $3 per square foot (of attic space) It is highly recommended that homeowners obtain at least two to three quotes and verify state licensing and insurance before proceeding with any major insulation project. Many of the top providers offer free, no-obligation estimates and can advise on potential rebates from local utilities like Kingsport Power.

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 Kingsport regulations and climate

Frequently Asked Questions About Insulation in Kingsport

Get answers to common questions about insulation services in Kingsport, Tennessee.

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

For Kingsport's humid subtropical climate with hot summers and cool winters, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective retrofit solution. These materials provide excellent thermal resistance (R-value) and help manage moisture, a key concern in Tennessee's humidity. While spray foam offers superior air sealing, its higher upfront cost means the best value depends on your home's specific air leakage and your long-term energy savings goals.

2When is the best time of year to have insulation installed in the Kingsport area?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in Northeast Tennessee, which is crucial for proper installation of most insulation materials, especially spray foam which requires specific temperature ranges. Scheduling during these shoulder seasons also avoids the peak summer demand, potentially leading to better availability and scheduling flexibility with local contractors.

3Are there any local building codes or utility rebates in Kingsport, TN, that I should know about before insulating?

Yes, Kingsport adheres to the 2018 International Energy Conservation Code (IECC) amendments for Tennessee, which specify minimum R-value requirements for different parts of your home. Crucially, check with the City of Kingsport Building Inspections Department for any local amendments. Additionally, residents should contact the Kingsport Power Board (KUB) to inquire about current energy efficiency rebates or incentives for adding insulation, as these programs can significantly offset project costs.

4How do I choose a reputable insulation contractor serving Kingsport?

Prioritize local, licensed, and insured contractors with verifiable experience in Northeast Tennessee homes. Ask for references from recent jobs in the Kingsport area and check reviews on local platforms. A reputable provider should perform a thorough energy assessment, explain how our local climate and home styles (like common crawlspace foundations) affect their recommendation, and provide a detailed, written estimate that includes the specific R-values and materials to be used.

5My house feels drafty in winter and muggy in summer. Will adding attic insulation alone solve this in my Kingsport home?

While increasing attic insulation to the recommended R-38 to R-60 for our climate zone is essential, it may not fully solve draftiness and humidity issues. In many older Kingsport homes, air sealing is equally critical to stop conditioned air from escaping through gaps, cracks, and bypasses in the attic floor and walls. A comprehensive approach that combines proper insulation with professional air sealing will deliver the greatest improvement in both comfort and energy efficiency year-round.