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Insulation Contractors · Columbia, SC/Updated June 13, 2026

The Best Insulation Contractors in Columbia, SC

Find the best insulation contractors in Columbia to keep your home comfortable and energy-efficient.

Editorially independent9 companies evaluated
cover story
★ Editor's ChoiceKoala Insulation of the Midlands
94Score
Latest update · June 13, 2026: Initial ranking published. 9 Columbia-metro insulation contractors businesses evaluated, top 9 ranked by Vetted Score.

Insulation is vital for maintaining energy efficiency and comfort in homes throughout Columbia, SC. With fluctuating temperatures, ensuring your home is properly insulated can lead to significant savings on energy bills while enhancing indoor comfort.

We evaluated nine insulation contractors in the Columbia area based on customer ratings, review counts, and overall service quality. Our goal was to identify the top providers who stand out for their reliability and expertise in insulation services.

9insulation contractors evaluated in Columbia
4.64average rating across the field
187customer reviews analyzed

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

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

Our top picks

At a glance · three categories
Editor's Choice
94Score

Koala Insulation of the Midlands

★★★★★4.9(79 reviews)

With a stellar rating of 4.9 from 79 reviews, Koala Insulation of the Midlands is highly praised for its professionalism and quality of work.

Read full review
Best Value
93Score

Insulation by Cohen's

★★★★★4.8(10 reviews)

Insulation by Cohen's boasts a strong rating of 4.8 from 10 reviews, with clients often noting their competitive pricing and friendly service.

Read full review
Most Reviewed
92Score

Lucas Insulation

★★★★★5.0(6 reviews)

Lucas Insulation holds a perfect rating of 5.0 from 6 reviews, with customers praising their attention to detail and thorough installation process.

Read full review

All 9, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
94Score
4.9★★★★★
79Quality insulation services
2
93Score
4.8★★★★★
10Budget-conscious homeowners
3
Lucas Insulation
Lucas Insulation
Most Reviewed
92Score
5.0★★★★★
6High-quality insulation services
4
90Score
5.0★★★★★
3Specialized insulation projects
5
89Score
5.0★★★★★
2Spray foam insulation
6
86Score
4.4★★★★★
11General insulation services
7
84Score
4.3★★★★★
55Budget insulation solutions
8
82Score
4.3★★★★★
6Personalized insulation services
9
78Score
4.1★★★★★
15Basic insulation needs
Methodology

How we evaluated all 9 insulation contractors.

To create this list, we analyzed customer reviews and ratings from various platforms, focusing on companies with a proven track record in the insulation industry. We ensure that no business pays for placement in our rankings, so our recommendations are unbiased and based solely on performance.

This ranking is refreshed monthly to reflect the most current data, ensuring you have access to the best options available in your area. Last updated June 13, 2026.

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

Koala Insulation of the Midlands

★★★★★4.9(79 reviews)
94Score

With a stellar rating of 4.9 from 79 reviews, Koala Insulation of the Midlands is highly praised for its professionalism and quality of work. Customers appreciate the thoroughness and efficiency of their insulation services, making them a go-to choice for homeowners looking to improve energy efficiency. However, their pricing may be on the higher side compared to some competitors.

Pros

  • High customer satisfaction
  • Efficient service
  • Professional staff

Cons

  • Higher pricing
Best forQuality insulation services
Service areaColumbia, SC
Typical pricing$1.50 to $3.00 per square foot
2
Best Value

Insulation by Cohen's

★★★★★4.8(10 reviews)
93Score

Insulation by Cohen's boasts a strong rating of 4.8 from 10 reviews, with clients often noting their competitive pricing and friendly service. They are particularly recommended for homeowners seeking cost-effective insulation solutions without sacrificing quality. However, the limited review base may make some potential customers hesitant. 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 budget-conscious homeowners. It serves Columbia, SC, with $0.50 to $1.00 per square foot pricing, and the honest trade-offs are limited reviews.

Pros

  • Competitive pricing
  • Friendly service
  • Good quality

Cons

  • Limited reviews
Best forBudget-conscious homeowners
Service areaColumbia, SC
Typical pricing$0.50 to $1.00 per square foot
3
Most Reviewed

Lucas Insulation

★★★★★5.0(6 reviews)
92Score

Lucas Insulation holds a perfect rating of 5.0 from 6 reviews, with customers praising their attention to detail and thorough installation process. They are ideal for homeowners seeking top-notch quality. However, with only a handful of reviews, their reputation is still in the early stages of development. 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 high-quality insulation services. It serves Columbia, SC, with $1.00 to $2.00 per square foot pricing, and the honest trade-offs are thin review base.

Pros

  • Perfect rating
  • Attention to detail
  • Thorough installation

Cons

  • Thin review base
Best forHigh-quality insulation services
Service areaColumbia, SC
Typical pricing$1.00 to $2.00 per square foot
4

Insulation Specialist

★★★★★5.0(3 reviews)
90Score

Insulation Specialist has a flawless rating of 5.0 from 3 reviews, with clients highlighting their expertise and prompt service. They are a solid choice for specialized insulation needs. However, the limited number of reviews may not provide a complete picture of their overall performance. 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 specialized insulation projects. It serves Columbia, SC, with $1.00 to $2.00 per square foot pricing, and the honest trade-offs are very few reviews.

Pros

  • Expertise in insulation
  • Prompt service

Cons

  • Very few reviews
Best forSpecialized insulation projects
Service areaColumbia, SC
Typical pricing$1.00 to $2.00 per square foot
5

Columbia Spray Foam Insulation

★★★★★5.0(2 reviews)
89Score

Columbia Spray Foam Insulation also boasts a perfect rating of 5.0 from 2 reviews, with customers praising their effective spray foam application and quick turnaround times. This company is best suited for those specifically looking for spray foam insulation. However, their limited review count might raise questions about their long-term reliability.

Pros

  • Effective spray foam application
  • Quick service

Cons

  • Very limited reviews
Best forSpray foam insulation
Service areaColumbia, SC
Typical pricing$1.50 to $3.00 per square foot
6

Sparling/Gale Insulation &Spec

★★★★★4.4(11 reviews)
86Score

Sparling/Gale Insulation &Spec has a rating of 4.4 from 11 reviews, with clients appreciating their reliable service and knowledgeable staff. They are a good option for general insulation needs. However, some customers reported longer wait times for service than expected. 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 general insulation services. It serves Columbia, SC, with $1.00 to $2.00 per square foot pricing, and the honest trade-offs are longer wait times reported.

Pros

  • Reliable service
  • Knowledgeable staff

Cons

  • Longer wait times reported
Best forGeneral insulation services
Service areaColumbia, SC
Typical pricing$1.00 to $2.00 per square foot
7

GTG, Inc.

★★★★★4.3(55 reviews)
84Score

GTG, Inc. has a rating of 4.3 from 55 reviews, with many customers highlighting their affordability and decent service. They are a suitable choice for those on a budget. However, some reviews indicate inconsistency in the quality of work provided. 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 budget insulation solutions. It serves Columbia, SC, with $0.50 to $1.00 per square foot pricing, and the honest trade-offs are inconsistent quality reported.

Pros

  • Affordable pricing
  • Decent service

Cons

  • Inconsistent quality reported
Best forBudget insulation solutions
Service areaColumbia, SC
Typical pricing$0.50 to $1.00 per square foot
8

American Insulation Co

★★★★★4.3(6 reviews)
82Score

American Insulation Co has a rating of 4.3 from 6 reviews, with customers noting their friendly staff and willingness to work with clients. They are best for those seeking personalized service. However, their limited review base may not fully reflect their capabilities. 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 personalized insulation services. It serves Columbia, SC, with $0.50 to $1.00 per square foot pricing, and the honest trade-offs are limited reviews.

Pros

  • Friendly staff
  • Personalized service

Cons

  • Limited reviews
Best forPersonalized insulation services
Service areaColumbia, SC
Typical pricing$0.50 to $1.00 per square foot
9

S&W

★★★★★4.1(15 reviews)
78Score

S&W has a rating of 4.1 from 15 reviews, with customers mentioning their affordability and basic insulation services. They are a viable option for those needing straightforward solutions. However, the lower rating suggests potential issues with service quality. 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 basic insulation needs. It serves Columbia, SC, with $0.50 to $1.00 per square foot pricing, and the honest trade-offs are lower rating.

Pros

  • Affordable options
  • Basic services

Cons

  • Lower rating
Best forBasic insulation needs
Service areaColumbia, SC
Typical pricing$0.50 to $1.00 per square foot
Before you book

How to choose an insulation contractor in Columbia

Selecting the right insulation contractor is essential for ensuring quality work and effective insulation. Consider the following factors when making your choice.

Experience and Reputation

Look for contractors with a solid history of satisfied customers and positive reviews.

Services Offered

Ensure the contractor provides the specific insulation services you need, such as spray foam or fiberglass.

Pricing Transparency

Choose a contractor that offers clear pricing and detailed estimates to avoid hidden costs.

Warranty and Support

Check if the contractor provides warranties on their work and ongoing support after installation.

What it costs

What insulation costs in Columbia

The cost of insulation services in Columbia can vary based on the type of insulation and the size of the project. Here's a breakdown of typical pricing tiers.

Spray Foam Insulation$1.50 to $3.00 per square foot, depending on the area and type.
Fiberglass Batts$0.50 to $1.00 per square foot, a more budget-friendly option.
Blown-In Insulation$1.00 to $1.50 per square foot, ideal for attics and walls.
Rigid Foam Board$1.00 to $2.00 per square foot, often used for basement walls.

Frequently asked questions

How much does insulation cost in Columbia?

Insulation costs range from $0.50 to $3.00 per square foot, depending on the type and service.

What types of insulation are available?

Common types include spray foam, fiberglass batts, blown-in, and rigid foam board.

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 Columbia homeowners: Editor's Choice Koala Insulation of the Midlands

The best insulation contractor in Columbia is Koala Insulation of the Midlands, recognized for their exceptional service and quality. Following closely are Insulation by Cohen's, offering great value, and Lucas Insulation, known for their top-tier quality. Each brings unique strengths to meet your insulation needs.