The Best Insulation Contractors in Round Rock, TX

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

#1

Koala Insulation of North Austin

4.8
(180 reviews)
Verified

A highly-rated, modern insulation company that emphasizes education and energy efficiency. They offer a comprehensive range of services including free energy audits and are known for their clear communication and use of high-quality materials like blown-in cellulose and fiberglass, as well as spray foam.

12301 Hwy 290 West Bldg 2, Austin, TX 78737 (Serves Round Rock)

Specialties & Features

Blown-in attic insulation
Insulation removal and replacement
Energy efficiency audits

Business Information

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

Radiant Barrier Experts LLC

4.7
(150 reviews)
Verified

This company has built a strong reputation specifically on attic services, which are critical in the Texas heat. They are experts in radiant barrier installation, a highly effective solution for reducing attic heat gain, and also provide comprehensive attic insulation and air sealing services.

4009 I-35 Frontage Rd #145, Round Rock, TX 78664

Specialties & Features

Attic insulation installation and upgrade
Radiant barrier installation
Air sealing services

Business Information

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

Austin Insulation & Spray Foam

4.6
(90 reviews)
Verified

A specialized contractor focusing on spray foam applications, which is a premium solution for air sealing and achieving high R-values. They serve both residential and commercial clients and are knowledgeable about modern building science and local codes.

12335 Hymeadow Dr, Austin, TX 78750 (Serves Round Rock)

Specialties & Features

Spray foam insulation
Wall insulation services
Crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Round Rock

The insulation market in Round Rock, Texas, is robust and competitive, driven by the region's extreme summer heat and a mix of older homes and new construction. The average quality of service is high, with numerous contractors holding relevant certifications (like BPI or from insulation manufacturers) and demonstrating strong knowledge of energy efficiency. Competition is strong, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project; a basic attic blow-in with cellulose can range from $1,500 to $3,500 for an average home, while a full attic spray foam application can cost $5,000 to $12,000 or more. Many providers are well-versed in local utility rebates (e.g., from Austin Energy) and federal tax credits, which can substantially offset the cost of energy-efficient upgrades. The most common services requested are attic insulation upgrades and air sealing, as these provide the most immediate impact on comfort and cooling costs.

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 Round Rock regulations and climate

Frequently Asked Questions About Insulation in Round Rock

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

1What is the most cost-effective type of insulation for my Round Rock home given our hot climate?

For our Central Texas climate, where blocking radiant heat is crucial, radiant barrier insulation installed in the attic is highly cost-effective. It reflects the sun's heat away from your living space, significantly reducing cooling costs. Blown-in cellulose or fiberglass in the attic floor also provides excellent thermal resistance (R-value) and is a strong, budget-friendly choice for overall temperature control.

2When is the best time of year to add or upgrade insulation in Round Rock?

The ideal times are late fall (October-November) and early spring (February-March). These periods offer milder temperatures, making attic work safer for installers and less disruptive for your home's HVAC system. Avoid peak summer, as attic temperatures can be dangerously high, and scheduling is often difficult due to high demand for energy-saving upgrades.

3Are there any local Round Rock or Texas-specific rebates or incentives for insulation upgrades?

Yes, homeowners should first check with the City of Round Rock's utility provider for any local programs. The primary statewide incentive is through Oncor's "Take A Load Off, Texas" program, which offers rebates for adding attic insulation to eligible homes. Additionally, federal tax credits for qualified insulation improvements are available, making upgrades more affordable.

4How do I choose a reputable insulation contractor in the Round Rock area?

Always verify the contractor is licensed and insured in Texas. Look for local companies with strong reviews on platforms like Nextdoor and Google, and ask for references from Round Rock homes. A reputable provider will perform a thorough energy assessment, explain the recommended R-values for our climate zone (Zone 2), and provide a detailed, written estimate that includes air sealing.

5My energy bills are high even with a new AC unit. Could poor attic insulation be the issue?

Absolutely. In Round Rock, the attic is the primary source of heat gain. Inadequate or deteriorated attic insulation allows intense solar heat to radiate into your home, forcing your AC to work excessively. An inspection can reveal if your insulation has settled, has gaps, or if the R-value is below the DOE's recommended minimum of R38-R60 for our area, which is a very common cause of high cooling costs.