Latest update · June 13, 2026: Initial ranking published. 9 Spartanburg-metro insulation contractors businesses evaluated, top 8 ranked by Vetted Score.
Insulation is a key component in maintaining comfortable and energy-efficient homes, especially in Spartanburg's varying climate. Choosing the right insulation contractor can significantly impact your home's energy bills and comfort levels.
We evaluated nine insulation contractors in Spartanburg based on their customer reviews, ratings, and service offerings. Our list reflects a range of options, ensuring you can find the right fit for your insulation needs.
9insulation contractors evaluated in Spartanburg
4.75average rating across the field
93customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
Extreme Spray Foam of Spartanburg holds a perfect rating of 5 from 11 reviews, with many customers praising their attention to detail and thoroughness.
To create this ranking, we analyzed customer feedback and ratings from various review platforms, focusing on overall satisfaction and service quality. Each contractor's performance was scored on a scale of 0 to 100, with no business paying for placement in our rankings.
Our rankings are refreshed monthly to incorporate the latest reviews and ratings, ensuring you have the most current information when choosing an insulation contractor in Spartanburg.
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.
With a perfect rating of 5 from 20 reviews, South Carolina Spray Foam Insulation is highly praised for its quality workmanship and customer service. Clients commend the team's professionalism and efficiency, making them an excellent choice for spray foam insulation projects. However, their higher pricing may not suit every budget.
Bonham Insulating Company boasts a 4.7 rating from 24 reviews, with customers often highlighting their competitive pricing and reliable service. They excel in a range of insulation solutions, making them a versatile choice for homeowners. A caveat is that their availability can be limited during peak seasons. 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 affordable insulation solutions. It serves Spartanburg and nearby counties, with $0.50 to $1.50 per square foot pricing, and the honest trade-offs are limited availability during peak seasons and some reports of scheduling issues.
Extreme Spray Foam of Spartanburg holds a perfect rating of 5 from 11 reviews, with many customers praising their attention to detail and thoroughness. They are particularly well-suited for homeowners seeking high-quality spray foam insulation. However, their recent growth means they have fewer reviews compared to more established competitors. 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 spray foam insulation. It serves Spartanburg and surrounding areas, with $1.50 to $3.00 per square foot pricing, and the honest trade-offs are thin review base and limited service history.
With a 5 rating from 8 reviews, Koala Insulation of Spartanburg is praised for its friendly staff and effective insulation solutions. Customers appreciate the personalized service and quick response times. However, their limited number of reviews may make some potential clients 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 personalized customer service. It serves Spartanburg and nearby regions, with $1.00 to $2.50 per square foot pricing, and the honest trade-offs are limited review base and less established in the market.
Blue Ridge Building Products has a solid rating of 4.8 from 11 reviews. Customers often commend their professionalism and the quality of their insulation products. They are a strong choice for those seeking reliable insulation options. However, some clients have noted occasional delays in project timelines. 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 reliable insulation products. It serves Spartanburg and surrounding areas, with $0.75 to $2.00 per square foot pricing, and the honest trade-offs are occasional project delays and limited service offerings.
Foam Insulation Company holds a 4.7 rating from 14 reviews, with many customers praising their knowledgeable staff and effective insulation solutions. They are well-regarded for their work in both residential and commercial settings. However, their higher pricing may not appeal to budget-conscious 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 commercial insulation projects. It serves Spartanburg and surrounding regions, with $1.50 to $3.00 per square foot pricing, and the honest trade-offs are higher pricing and limited residential focus.
Wood Insulating Co Inc has a perfect rating of 5 from just 1 review, showcasing their potential for quality service. However, with such a thin review base, their reliability is still unproven. They may be a good option for those willing to take a chance on a new provider. 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 risk-takers looking for new options. It serves Spartanburg area, with $1.00 to $2.00 per square foot pricing, and the honest trade-offs are very thin review base and unproven reliability.
Finley Insulators has a rating of 3.8 from 4 reviews, with some customers appreciating their basic insulation services. However, many have reported issues with communication and timeliness, making them a less reliable choice for those seeking prompt service. 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 clients. It serves Spartanburg and surrounding areas, with $0.50 to $1.50 per square foot pricing, and the honest trade-offs are communication issues and timeliness concerns.
How to choose an insulation contractor in Spartanburg
Selecting the right insulation contractor involves several key factors. Consider the following tips to ensure you make an informed decision.
Check Ratings and Reviews
Look for contractors with high ratings and positive customer feedback to ensure quality service.
Evaluate Experience
Choose contractors with a proven track record in the insulation industry to ensure expertise.
Ask About Materials Used
Inquire about the types of insulation materials they offer to find the best fit for your home.
Get Multiple Quotes
Comparing quotes from different contractors can help you find the best value for your insulation needs.
What it costs
What insulation costs in Spartanburg
The cost of insulation services in Spartanburg can vary based on the type of insulation and the size of the project. Here’s a general idea of what to expect.
Spray Foam Insulation$1.50 to $3.00 per square foot, depending on the thickness and material used.
Fiberglass Batts$0.50 to $1.00 per square foot, a common and cost-effective option.
Blown-In Insulation$1.00 to $2.00 per square foot, ideal for attics and hard-to-reach spaces.
Foam Board Insulation$1.00 to $2.50 per square foot, providing excellent energy efficiency.
Frequently asked questions
How much does insulation cost in Spartanburg?
Insulation costs typically range from $0.50 to $3.00 per square foot, depending on the type and complexity of the installation.
What types of insulation are available?
Common types include spray foam, fiberglass batts, blown-in insulation, and 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 Spartanburg homes: South Carolina Spray Foam Insulation
For those seeking top-notch insulation services in Spartanburg, South Carolina Spray Foam Insulation, Bonham Insulating Company, and Extreme Spray Foam of Spartanburg stand out. Each offers exceptional service and quality, making them the best choices for homeowners looking to enhance their insulation.