The Best Insulation Contractors in Sullivan City, TX

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

#1

R&R Insulation of the Rio Grande Valley

4.8
(180 reviews)
Verified

A highly reputable and locally-owned insulation contractor known for its professional crews and focus on energy efficiency. They offer comprehensive services from new construction to retrofit projects and are often recommended for their expertise in spray foam and their thorough energy audits.

901 E US Hwy 83, Pharr, TX 78577 (This is their main office; they serve Sullivan City)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Attic insulation installation and upgrade

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Alltex Insulation & Supply

4.6
(90 reviews)
Verified

A well-established company with a strong presence in the Valley, offering both insulation materials and professional installation services. They are praised for their knowledge of local building codes and their work on both residential and commercial properties, including wall and crawl space insulation.

4201 N 10th St, McAllen, TX 78504 (This is their main office; they serve Sullivan City)

Specialties & Features

Blown-in insulation installation
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Supreme Insulation

4.5
(70 reviews)
Verified

A reliable contractor known for its customer service and effective insulation removal and replacement services. They specialize in upgrading older homes in the region, improving comfort and reducing energy bills through proper air sealing and new insulation installation.

They are a mobile service company based in the McAllen/Edinburg area, serving the entire RGV including Sullivan City.

Specialties & Features

Insulation removal and replacement
Air sealing services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Sullivan City

** The insulation market in and around Sullivan City, Texas, is characterized by a small number of highly specialized local contractors, with the majority of services provided by established companies from the larger Rio Grande Valley hubs like McAllen, Pharr, and Edinburg. Due to the South Texas climate, which features extreme heat and high humidity, there is a significant and consistent demand for high-performance attic insulation and air sealing to manage cooling costs and improve indoor comfort. **Average Quality:** The top-tier contractors are very proficient, often holding certifications from manufacturers like Owens Corning or BASF, and are knowledgeable about modern materials like spray foam and blown-in cellulose. However, consumers should be diligent, as the market also has less-specialized general handymen who may not offer the same expertise or guarantees. **Competition Level:** Competition is moderate among the established professional contractors. Their reputation, rather than price alone, is the primary differentiator. They compete on service quality, warranty offerings, and their ability to navigate local utility rebates or energy efficiency programs. **Typical Pricing:** Pricing is competitive with national averages but can be influenced by material costs. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (R-13 for walls):** $1.50 - $3.00 per board foot * **Whole-House Air Sealing:** $500 - $2,000 * **Insulation Removal:** $1 - $3 per square foot It is highly recommended that homeowners in Sullivan City obtain at least two to three detailed quotes from the providers listed above, ensuring each quote includes a scope of work, specific R-values, and information on warranties and insurance.

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 Sullivan City regulations and climate

Frequently Asked Questions About Insulation in Sullivan City

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

1What is the most important type of insulation for homes in Sullivan City, TX, given our local climate?

For our hot, humid South Texas climate, radiant barrier insulation installed in the attic is arguably the most critical. It reflects the intense solar heat away from your living spaces, significantly reducing cooling costs. Proper attic ventilation and air sealing are also crucial companions to this insulation to combat humidity and prevent mold growth, which is a common local concern.

2How much does it typically cost to insulate or re-insulate an attic in Sullivan City?

Costs vary based on home size, material choice, and existing conditions, but for a typical single-family home in Sullivan City, attic insulation projects often range from $1,500 to $4,000. Blown-in fiberglass or cellulose for existing attics is common, while new construction or spray foam applications will be higher. Always get itemized estimates from local contractors that include material R-value, labor, and air sealing details.

3When is the best time of year to have insulation installed in Sullivan City?

The ideal times are during the milder periods of late fall (October-November) and early spring (February-March). Scheduling during these windows avoids the extreme summer heat, which makes attic work dangerous for crews and less efficient, and also avoids potential delays from our occasional winter cold snaps or rainy seasons.

4Are there any local regulations or rebates in Sullivan City or Texas I should know about before insulating?

While Sullivan City follows standard Texas building codes, there are no specific city-level insulation ordinances for existing homes. However, you should check for current rebates from your utility provider (like AEP Texas) and the statewide energy efficiency programs. Using materials that meet or exceed the recommended R-values for our Climate Zone 2 (like R-38 to R-60 for attics) is key for both performance and potential incentive eligibility.

5How do I choose a reliable insulation contractor serving the Sullivan City area?

Prioritize licensed, insured contractors with proven experience in the Rio Grande Valley's specific climate challenges. Ask for local references in Sullivan City or neighboring communities like Mission or Edinburg, and verify they perform a thorough inspection (including moisture and air leakage checks) before quoting. A reputable provider will clearly explain how their solution addresses both heat gain and our high humidity.