Business Details
19 Years
experience
Trusted Insulation Contractors in San Antonio
South Texas Insulation has been a trusted provider of insulation solutions since 2007, specializing in fiberglass and spray foam insulation for residential and commercial clients. As Owens Corning Certified Energy Experts, we combine advanced building science with hands-on experience to deliver energy-efficient, durable installations. Our team of certified professionals prioritizes customer satisfaction through transparent consultations, precise energy assessments, and tailored solutions that enhance comfort and reduce energy costs. Headquartered in San Antonio, we serve Texas communities including Austin, Corpus Christi, and Houston, offering both residential and commercial services.Our commitment to quality is underscored by rigorous training, adherence to industry standards, and a limited lifetime warranty on qualifying products and workmanship. Customer testimonials consistently highlight our punctuality, professionalism, and the measurable impact of our insulation solutions on energy bills and indoor comfort. We pride ourselves on being locally owned while maintaining national certification standards, ensuring clients receive both personalized service and technical expertise.
Services
Fiberglass Insulation
Spray Foam Insulation
Commercial Insulation
Home Insulation
Crawl Space Insulation
Details
- Year established: 2007
Highlights and features
- Locally owned since 2007 with Owens Corning certification for quality assurance.
- Certified installers trained in advanced building science and energy assessments.
- Offers limited lifetime warranties on qualifying insulation products and workmanship.
- Proven track record of customer satisfaction with prompt, high-quality service.
- Eligible for federal tax credits up to $1,200 for energy-efficient insulation upgrades.
Associations and certifications
- Owens Corning Certified Energy Expert
What people say
Best customer service
Prompt, quick, reasonably priced
Professionals, done right first time
Lowered electric bill significantly
Always available for questions
Services
Fiberglass Insulation
Fiberglass insulation provides cost-effective thermal and acoustic performance for residential and commercial buildings. Our Owens Corning PINK Fiberglass products resist moisture, mold, and settling while improving energy efficiency. Ideal for attics, walls, and floors, this non-combustible solution ensures long-term comfort and compliance with energy codes.
Spray Foam Insulation
Spray foam insulation creates an airtight barrier that reduces energy loss and enhances structural integrity. We install open-cell and closed-cell foams tailored to project needs, from retrofitting attics to sealing commercial buildings. This solution lowers utility bills by up to 50% while preventing air infiltration and moisture issues.
Commercial Insulation
Our commercial insulation services meet the demands of large-scale projects with Owens Corning products and certified installation. We specialize in energy-efficient solutions for new construction and retrofits, ensuring code compliance, reduced HVAC costs, and minimal project delays through experienced project management.
Home Insulation
Home insulation services include attic, crawl space, and wall upgrades using fiberglass or spray foam. Our team conducts energy assessments to identify gaps, then installs high-R-value materials that lower utility bills, improve indoor comfort, and qualify for federal tax credits up to $1,200.
Crawl Space Insulation
Crawl space insulation prevents energy loss and moisture intrusion using closed-cell spray foam or fiberglass. This service stabilizes indoor temperatures, reduces pest risks, and enhances air quality by sealing gaps in foundation areas, ensuring long-term structural protection and energy savings.
People
Ernie Slaughter
Owner
Ernie Slaughter founded South Texas Insulation in 2007, bringing over 15 years of industry experience. He oversees operations, ensuring customer satisfaction through transparent consultations and adherence to Owens Corning standards. Ernie prioritizes timely communication and quality control, earning trust from homeowners and contractors alike.
Questions
What insulation services do you offer?
We provide fiberglass, spray foam, and crawl space insulation for residential and commercial clients across Texas, including energy assessments and tax credit assistance.
Are you certified Owens Corning installers?
Yes, we are Owens Corning Certified Energy Experts, qualified to offer limited lifetime warranties on qualifying products and workmanship.
Can insulation lower my energy bills?
Yes, proper insulation can reduce energy bills by up to 50% by minimizing air leakage and improving HVAC efficiency, especially with spray foam solutions.
Do you offer tax credits for insulation?
Yes, we help clients qualify for federal tax credits covering up to $1,200 for re-insulating homes with energy-efficient materials.
What areas do you service?
We serve San Antonio, Austin, Corpus Christi, Houston, and surrounding Texas communities for both residential and commercial projects.
How long does installation take?
Most residential projects complete in one day, while commercial installations vary based on scope. We prioritize timely execution without compromising quality.