The Best Insulation Contractors in Portland, TX

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

#1

South Texas Insulation Co.

4.8
(180 reviews)
Verified

A well-established, family-owned and operated contractor known for high-quality workmanship and exceptional customer service. They are a full-service insulation company with a strong focus on improving home energy efficiency. They are often recommended for their expertise in both new construction and retrofit projects.

4502 Leopard St, Corpus Christi, TX 78408 (Serves Portland, TX)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

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

Energy Guard Insulation

4.7
(140 reviews)
Verified

This provider has built a strong reputation on professionalism and technical expertise, particularly with modern spray foam applications. They emphasize a science-based approach to building performance, combining insulation with comprehensive air sealing for maximum energy savings.

5834 McArdle Rd, Corpus Christi, TX 78412 (Serves Portland, TX)

Specialties & Features

Spray foam insulation
Air sealing services
Crawl space encapsulation

Business Information

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

A+ Insulation of Corpus Christi

4.6
(110 reviews)
Verified

Known for reliability and a wide range of services, A+ Insulation is a go-to for both residential and commercial projects. They receive consistent praise for their clean work, clear communication, and effective use of blown-in and batt insulation solutions. They also handle insulation removal.

3214 Baldwin Blvd, Corpus Christi, TX 78405 (Serves Portland, TX)

Specialties & Features

Blown-in insulation installation
Insulation removal and replacement
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Portland

** The insulation market serving Portland, Texas is characterized by a handful of established, high-quality contractors primarily based in the larger hub of Corpus Christi. Due to the South Texas climate—characterized by intense heat, high humidity, and the potential for hurricane-force winds—the focus for local homeowners is heavily on heat gain reduction, moisture control, and storm resilience. This drives demand for high-performance materials like spray foam and well-sealed attic assemblies. Competition is moderate but specialized; the top-tier companies distinguish themselves through technical certifications (like from the Spray Polyurethane Foam Alliance), knowledge of local building codes for wind and moisture, and expertise in accessing rebates from utilities like AEP Texas. Pricing is competitive but reflects the quality of materials and expertise. Typical project costs can range from $1,500 - $4,500 for a standard attic blow-in job to $8,000+ for a full home spray foam application, with most providers offering free estimates. Homeowners are generally well-served by several excellent options, making it important to get multiple quotes.

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 Portland regulations and climate

Frequently Asked Questions About Insulation in Portland

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

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

For our hot, humid Gulf Coast climate, radiant barrier insulation installed in the attic is arguably the most critical. It reflects the intense Texas sun's radiant heat away from your living spaces, significantly reducing cooling costs. Pairing this with adequate attic floor insulation (like blown-in cellulose or fiberglass) to resist conductive heat flow creates an optimal system for our region's long, demanding cooling season.

2How much does it typically cost to reinsulate an attic in Portland, and are there any local rebates?

For a standard 1,500 sq. ft. attic in Portland, reinsulation costs typically range from $1,500 to $3,500, depending on material type (like radiant barrier vs. blown-in) and the R-value needed. While there are no specific Portland city rebates, Texas homeowners should always check with their local utility provider (like AEP Texas) for potential energy efficiency rebates, and federal tax credits for insulation often apply.

3When is the best time of year to get insulation work done in the Portland area?

The ideal times are during our milder fall (October-November) and spring (March-April) seasons. This avoids the extreme attic heat of summer, which is unsafe for workers and can hinder proper installation of some materials, and the occasional winter dampness. Scheduling during these shoulder seasons also ensures your home is optimally prepared before peak cooling or heating demand hits.

4What should I look for when choosing a local Portland/Central Texas insulation contractor?

First, verify they are licensed by the Texas Department of Licensing and Regulation (TDLR) to perform insulation work. Choose a provider with extensive local experience who understands moisture control challenges specific to our coastal humidity. Always ask for proof of liability insurance, local references, and detailed written estimates that specify the R-value and material to be installed, not just thickness.

5My house feels humid and my AC runs constantly. Can new insulation help with this in Portland?

Absolutely. Inadequate or old, compressed insulation allows humid outdoor air to infiltrate your home and cause your air conditioner to work overtime to remove both heat and moisture. Properly installed, modern insulation creates a thermal envelope that reduces this infiltration. This helps your HVAC system maintain consistent temperature and humidity levels more efficiently, improving comfort and lowering energy bills.