The Best Insulation Contractors in Karnack, TX

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

#1

Longview Insulation & Supply

4.7
(110 reviews)
Verified

A well-established and highly-regarded local company serving East Texas, including Harrison County. They are known for their professional crews, expertise in both residential and commercial insulation, and a comprehensive service range that includes energy audits. They are a primary contractor for many new builds and retrofit projects in the region.

1205 W Marshall Ave, Longview, TX 75604 (This is their main office; they service Karnack)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Insulation removal and replacement

Business Information

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

Texas Pro Insulators

4.5
(80 reviews)
Verified

A specialized insulation contractor based in the broader East Texas area, known for focusing solely on insulation services rather than general contracting. They receive consistent praise for their attention to detail, knowledge of local building codes, and effective air sealing techniques that complement their insulation work.

Services the East Texas area from a central dispatch; physically closest major office is in Tyler, TX.

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Allied Insulation of East Texas

4.3
(60 reviews)
Verified

Part of a larger regional network, Allied Insulation brings brand recognition and standardized processes to its service area. They are a strong option for homeowners seeking blown-in cellulose or fiberglass insulation and are known for providing clear, upfront quotes. They often have information on available manufacturer rebates.

2015 E End Blvd N, Marshall, TX 75672 (This location directly serves the Karnack area)

Specialties & Features

Blown-in insulation installation
Wall insulation services
Energy efficiency consultations

Business Information

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

Why These Are the Top Insulation Contractors in Karnack

** The insulation market serving Karnack, Texas, is characterized by a reliance on regional contractors from larger hubs like Longview and Marshall rather than local in-town providers. The competition level is moderate, with a handful of established, reputable companies dominating the service area. The average quality of service is high, as these companies have built their reputations over many years serving the East Texas community. Typical pricing is in line with regional averages. For a standard attic blow-in insulation job, homeowners can expect to pay between **$1,500 and $3,500**, depending on the square footage and material (fiberglass vs. cellulose). Spray foam insulation is a premium service, with costs ranging from **$2.50 to $5.00 per board foot**, making a full attic project potentially **$5,000 to $10,000+**. These contractors are generally well-versed in the specific needs of East Texas homes, which must manage both high summer heat and humidity as well as occasional winter cold snaps, and they are knowledgeable about local utility rebates that may be available through providers like SWEPCO.

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 Karnack regulations and climate

Frequently Asked Questions About Insulation in Karnack

Get answers to common questions about insulation services in Karnack, Texas.

1What is the most important type of insulation for my home in Karnack given our local climate?

For Karnack's hot, humid East Texas climate, attic insulation is the most critical. Properly insulating your attic to a recommended R-38 to R-60 level (higher than many national standards) is the single most effective way to block radiant heat from the sun, which significantly reduces cooling costs and strain on your AC system. This also helps manage the high humidity levels common in our area by improving your home's thermal envelope.

2How much does it typically cost to insulate or re-insulate an older home in Karnack?

Costs vary based on home size, material (like blown-in cellulose or fiberglass batts), and the area being insulated. For a typical attic re-insulation in a Karnack home, homeowners can expect a range of $1,500 to $3,500, with regional material and labor costs influencing the price. It's crucial to get a detailed, in-person estimate from a local provider, as many older homes in the area may have inadequate or compacted existing insulation that needs addressing.

3Are there any specific local regulations or rebates for insulation in Karnack, TX?

While Karnack itself doesn't have unique local insulation codes, Texas state energy codes and the International Residential Code (IRC) set the standards that contractors must follow. Importantly, check for current utility rebates from providers like SWEPCO, which may offer incentives for energy-efficient upgrades. Always ensure your contractor is licensed and insured to work in Texas, as this is a key consumer protection.

4When is the best time of year to have insulation installed in Karnack?

The ideal times are during the milder seasons of spring (March-May) and fall (September-November). This avoids the intense summer heat in the attic, which can be dangerous for workers and can cause materials like spray foam to cure too quickly. Scheduling during these periods is also easier, as contractors are less booked than during the peak summer crisis period when AC systems are failing under strain.

5What should I look for when choosing a local insulation contractor in the Karnack area?

Prioritize contractors with proven local experience who understand our specific climate challenges. They should perform a thorough energy audit or inspection, provide a detailed written estimate specifying R-values and materials, and offer clear explanations of the work. Check for valid Texas licensing, insurance, and strong references from nearby communities like Marshall or Jefferson, and be wary of door-to-door salespeople offering "leftover material" deals.