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Insulation Contractors · Austin, TX/Updated June 13, 2026

The Best Insulation Contractors in Austin, TX

Finding the right insulation contractor can significantly enhance your home's energy efficiency. We’ve ranked the best in Austin.

Editorially independent9 companies evaluated
cover story
★ Editor's ChoiceThe HeatBusters
96Score
Latest update · June 13, 2026: Initial ranking published. 9 Austin-metro insulation contractors businesses evaluated, top 9 ranked by Vetted Score.

In the vibrant city of Austin, insulation contractors play a vital role in enhancing energy efficiency and comfort in homes. With fluctuating temperatures, proper insulation ensures that homes remain cozy in winter and cool in summer, ultimately saving homeowners money on energy bills.

To compile this list, we evaluated nine insulation contractors based on customer reviews, ratings, and service quality. Each business was assessed for its reputation and the value it provides to its clients, ensuring a reliable selection for Austin residents.

9insulation contractors evaluated in Austin
4.91average rating across the field
681customer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does insulation contractors cost in Austin? See the price breakdown →

Our top picks

At a glance · three categories
Editor's Choice
96Score

The HeatBusters

★★★★★4.9(275 reviews)

With a stellar rating of 4.9 from 275 reviews, The HeatBusters excels in customer service and quality workmanship.

Read full review
Best Value
95Score

Cooler Green Solutions

★★★★★5.0(123 reviews)

Cooler Green Solutions stands out with a perfect 5.0 rating from 123 reviews.

Read full review
Most Reviewed
94Score

NAJ Spray Foam

★★★★★5.0(48 reviews)

NAJ Spray Foam boasts a perfect 5.0 rating based on 48 reviews, showcasing their expertise in spray foam insulation.

Read full review

All 9, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
The HeatBusters
The HeatBusters
Editor's Choice
96Score
4.9★★★★★
275Overall best insulation services
2
95Score
5.0★★★★★
123Best value for eco-friendly insulation
3
NAJ Spray Foam
NAJ Spray Foam
Most Reviewed
94Score
5.0★★★★★
48Specialty spray foam insulation
4
93Score
4.9★★★★★
65Reliable insulation assessments
5
91Score
4.7★★★★★
98Diverse insulation solutions
6
89Score
5.0★★★★★
21Friendly and efficient service
7
85Score
5.0★★★★★
20Eco-conscious insulation solutions
8
82Score
5.0★★★★★
12Attic insulation specialists
9
79Score
4.7★★★★★
19Fast and effective insulation solutions
Methodology

How we evaluated all 9 insulation contractors.

We analyzed data from various review platforms to determine the best insulation contractors in Austin. Our evaluation criteria included customer feedback, overall satisfaction ratings, and the number of reviews. We do not accept payment for placement, ensuring that our rankings remain unbiased and trustworthy.

This ranking is refreshed monthly, based on the latest review data, to provide the most accurate representation of service quality in the insulation contractor market.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

The HeatBusters

★★★★★4.9(275 reviews)
96Score

With a stellar rating of 4.9 from 275 reviews, The HeatBusters excels in customer service and quality workmanship. Clients frequently praise their professionalism and attention to detail, making them a top choice for insulation needs. However, their popularity may lead to longer wait times for scheduling. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is overall best insulation services. It serves Austin and surrounding areas, with $1,500 to $3,000 pricing, and the honest trade-offs are possible scheduling delays.

Pros

  • High customer satisfaction
  • Experienced professionals
  • Comprehensive services

Cons

  • Possible scheduling delays
Best forOverall best insulation services
Service areaAustin and surrounding areas
Typical pricing$1,500 to $3,000
2
Best Value

Cooler Green Solutions

★★★★★5.0(123 reviews)
95Score

Cooler Green Solutions stands out with a perfect 5.0 rating from 123 reviews. Customers highlight their eco-friendly approach and competitive pricing, making them an excellent option for budget-conscious homeowners. However, their newer presence in the market means they might lack the extensive experience of longer-established competitors. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is best value for eco-friendly insulation. It serves Austin metropolitan area, with $1,000 to $2,500 pricing, and the honest trade-offs are less experience compared to others.

Pros

  • Eco-friendly options
  • Excellent pricing
  • Highly rated service

Cons

  • Less experience compared to others
Best forBest value for eco-friendly insulation
Service areaAustin metropolitan area
Typical pricing$1,000 to $2,500
3
Most Reviewed

NAJ Spray Foam

★★★★★5.0(48 reviews)
94Score

NAJ Spray Foam boasts a perfect 5.0 rating based on 48 reviews, showcasing their expertise in spray foam insulation. Clients appreciate their fast and efficient service, particularly for difficult projects. A potential downside is their limited range of insulation services compared to others on this list. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is specialty spray foam insulation. It serves Austin and nearby regions, with $2,000 to $4,500 pricing, and the honest trade-offs are limited service range.

Pros

  • Specializes in spray foam
  • Fast service
  • High customer ratings

Cons

  • Limited service range
Best forSpecialty spray foam insulation
Service areaAustin and nearby regions
Typical pricing$2,000 to $4,500
4

USA Insulation of Austin

★★★★★4.9(65 reviews)
93Score

USA Insulation of Austin holds a strong 4.9 rating from 65 reviews. Customers commend their thorough assessments and quality installations, making them a reliable choice for insulation projects. However, some reviews mention occasional communication issues during the scheduling process. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is reliable insulation assessments. It serves Greater Austin area, with $1,500 to $3,000 pricing, and the honest trade-offs are communication issues reported.

Pros

  • Thorough assessments
  • Quality installations
  • Good customer service

Cons

  • Communication issues reported
Best forReliable insulation assessments
Service areaGreater Austin area
Typical pricing$1,500 to $3,000
5

Stellrr Insulation & Spray Foam

★★★★★4.7(98 reviews)
91Score

Stellrr Insulation & Spray Foam has a solid rating of 4.7 from 98 reviews. Reviewers appreciate their knowledgeable staff and effective solutions for various insulation types. A downside is that their prices can be on the higher end, which might not suit all budgets. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is diverse insulation solutions. It serves Austin and surrounding areas, with $1,000 to $2,500 pricing, and the honest trade-offs are higher pricing.

Pros

  • Knowledgeable staff
  • Effective insulation solutions
  • Wide range of services

Cons

  • Higher pricing
Best forDiverse insulation solutions
Service areaAustin and surrounding areas
Typical pricing$1,000 to $2,500
6

Koala Insulation of Austin

★★★★★5.0(21 reviews)
89Score

With a perfect rating of 5.0 from 21 reviews, Koala Insulation of Austin is well-regarded for their friendly service and efficient installations. Customers often mention their punctuality and professionalism. However, their limited review count makes them a promising but unproven option for larger projects. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is friendly and efficient service. It serves Austin area, with $1,500 to $3,000 pricing, and the honest trade-offs are limited review base.

Pros

  • Friendly service
  • Efficient installations
  • Punctual

Cons

  • Limited review base
Best forFriendly and efficient service
Service areaAustin area
Typical pricing$1,500 to $3,000
7

SuperGreen Insulation

★★★★★5.0(20 reviews)
85Score

SuperGreen Insulation has a perfect 5.0 rating from 20 reviews, with clients praising their eco-friendly materials and knowledgeable team. They are ideal for those looking to go green with their insulation. However, their limited service area may restrict some potential customers. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is eco-conscious insulation solutions. It serves Austin and nearby areas, with $1,000 to $2,500 pricing, and the honest trade-offs are limited service area.

Pros

  • Eco-friendly materials
  • Knowledgeable team
  • Great customer service

Cons

  • Limited service area
Best forEco-conscious insulation solutions
Service areaAustin and nearby areas
Typical pricing$1,000 to $2,500
8

Attic Construction

★★★★★5.0(12 reviews)
82Score

Attic Construction has a perfect 5.0 rating from 12 reviews, and customers appreciate their dedication to quality and thorough work. They are particularly effective for attic insulation projects. However, their small review base leaves some uncertainty regarding their overall consistency. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is attic insulation specialists. It serves Austin and surrounding areas, with $1,500 to $3,000 pricing, and the honest trade-offs are small review base.

Pros

  • Dedicated to quality
  • Thorough work
  • Specializes in attics

Cons

  • Small review base
Best forAttic insulation specialists
Service areaAustin and surrounding areas
Typical pricing$1,500 to $3,000
9

One Call Attic & Home Insulation

★★★★★4.7(19 reviews)
79Score

One Call Attic & Home Insulation has a solid rating of 4.7 from 19 reviews. Customers appreciate their quick response times and effective solutions. However, their limited range of services may not meet the needs of all homeowners. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is fast and effective insulation solutions. It serves Austin area, with $1,000 to $2,500 pricing, and the honest trade-offs are limited service range.

Pros

  • Quick response times
  • Effective solutions
  • Good customer service

Cons

  • Limited service range
Best forFast and effective insulation solutions
Service areaAustin area
Typical pricing$1,000 to $2,500
Before you book

How to choose an insulation contractor in Austin

Choosing the right insulation contractor is crucial for ensuring your home's energy efficiency. Here are some key factors to consider when making your selection.

Experience and Expertise

Look for contractors with a proven track record and expertise in various insulation types.

Customer Reviews

Read customer reviews to gauge satisfaction and the quality of service provided.

Warranty and Guarantees

Check if the contractor offers warranties on their work, which can provide added peace of mind.

Pricing Transparency

Ensure that the contractor provides clear and detailed pricing to avoid unexpected costs.

What it costs

What insulation costs in Austin

The cost of insulation services in Austin can vary based on the type of insulation and the size of the project. Here’s a general overview of what to expect.

Attic Insulation$1,500 to $3,000 for an average-sized home.
Wall Insulation$1,000 to $2,500 depending on the size and material used.
Spray Foam Insulation$2,000 to $4,500 for a full installation.
Insulation Removal$500 to $1,500 based on the extent of the removal needed.

Frequently asked questions

How much does insulation cost in Austin?

Insulation costs typically range from $1,000 to $4,500, depending on the type and project size.

What types of insulation are available?

Common types include fiberglass, spray foam, cellulose, and foam board insulation.

How long does insulation installation take?

Installation time varies but generally takes a few hours to a full day, depending on the project size.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Austin homes: The HeatBusters

For a combination of quality and customer satisfaction, The HeatBusters stands out as our top choice. Their proven track record and high ratings make them an excellent option. Cooler Green Solutions offers great value with eco-friendly options, while NAJ Spray Foam excels in specialized spray foam services.