Insulation Contractors · St. Petersburg, FL/Updated June 13, 2026
The Best Insulation Contractors in St. Petersburg, FL
Finding the right insulation contractor is essential for energy efficiency and comfort at home. Here are the top-ranked options in St. Petersburg.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent9 companies evaluated
cover story
★ Editor's ChoiceKoala Insulation of St. Petersburg
96Score
Latest update · June 13, 2026: Initial ranking published. 9 St. Petersburg-metro insulation contractors businesses evaluated, top 9 ranked by Vetted Score.
Insulation contractors play a vital role in maintaining energy efficiency and comfort in homes across St. Petersburg. Proper insulation can lead to significant savings on energy bills while enhancing indoor air quality and comfort levels. With the right contractor, residents can ensure their homes are well-protected against the Florida heat.
To identify the best insulation contractors in the area, we evaluated nine local businesses based on their customer ratings, review counts, and overall service quality. Our rankings reflect genuine customer feedback, ensuring that you can trust these selections for your insulation needs.
9insulation contractors evaluated in St. Petersburg
4.58average rating across the field
3.7Kcustomer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
Budget-focused homeowners willing to take a chance
Methodology
How we evaluated all 9 insulation contractors.
Our evaluation process included analyzing customer reviews and ratings from various platforms, with a focus on quality of service, reliability, and customer satisfaction. We ensure that no business pays for placement in our rankings, allowing for an unbiased assessment of each contractor's performance.
The rankings are refreshed monthly to provide the most current information, reflecting ongoing customer experiences. This ensures that our recommendations remain relevant and trustworthy for residents in St. Petersburg seeking insulation services.
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 153 reviews, Koala Insulation of St. Petersburg stands out for its exceptional customer service and quality of work. Reviewers frequently praise their professionalism and efficiency, making them an excellent choice for both residential and commercial insulation projects. However, their availability may be limited due to high demand.
Pros
Top-rated customer service
Efficient installation
Wide range of insulation options
Cons
Limited availability
Higher pricing
Best forHomeowners seeking reliable and high-quality insulation work
Westwind Insulation boasts a 5-star rating from 43 reviews, with customers highlighting their competitive pricing and thorough installations. They are known for their attention to detail and customer-centric approach, making them a great option for budget-conscious homeowners. However, their smaller review base may raise some concerns for potential clients. 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-conscious homeowners. It serves St. Petersburg and nearby locations, with $0.75 to $2.50 per square foot pricing, and the honest trade-offs are smaller review base and limited service offerings.
DeRusha Insulation LLC. holds an impressive rating of 4.9 from 51 reviews, with many customers praising their knowledgeable staff and quality workmanship. They are well regarded for their efficient service and effective insulation solutions. A potential downside is that they may not offer as wide a range of insulation types as some competitors.
Pros
Knowledgeable staff
Quality workmanship
Efficient service
Cons
Limited insulation types
Higher demand may affect scheduling
Best forHomeowners looking for knowledgeable guidance on insulation options
Expert Spray Foam has a perfect rating of 5 from 34 reviews, with customers frequently noting their expertise in spray foam insulation. They excel in providing effective air sealing and energy efficiency solutions. However, they may primarily focus on spray foam, which could limit options for clients seeking alternative insulation types.
Pros
Specialized in spray foam
Excellent energy efficiency
Highly rated service
Cons
Limited insulation options
Less suitable for those wanting traditional materials
Best forHomeowners specifically interested in spray foam insulation
With a rating of 5 from 8 reviews, Insulation Genie is praised for their friendly service and quick response times. They are a promising but unproven option for residential insulation projects. However, their thin review base may make some potential clients hesitant to choose them. 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 homeowners looking for responsive service. It serves St. Petersburg, with $1.00 to $2.50 per square foot pricing, and the honest trade-offs are thin review base and limited service history.
Fenix Foam, LLC has a perfect rating of 5 from 6 reviews, with customers highlighting their efficient service and friendly staff. They are a newer company, which could be appealing for those seeking innovative solutions. However, their limited review base means they are still an unproven choice for many homeowners.
Rome, Inc holds a rating of 3.7 from 3 reviews. While some customers appreciate their work, the limited feedback raises concerns about their overall reliability and service quality. They may be suitable for smaller projects, but potential clients should proceed with caution due to the thin review base. 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 small projects or specific insulation needs. It serves St. Petersburg, with $1.00 to $2.00 per square foot pricing, and the honest trade-offs are very limited reviews and lower overall rating.
Pros
Positive feedback on specific jobs
Potential for smaller projects
Cons
Very limited reviews
Lower overall rating
Best forSmall projects or specific insulation needs
Lowe's Home Improvement has a rating of 4.1 from 3,326 reviews, offering a wide range of insulation products and installation services. Their extensive experience and large network can be beneficial for customers looking for reliable service. However, the quality of service may vary significantly based on local store management and staff.
Pros
Wide selection of products
Established company
Convenient locations
Cons
Inconsistent service quality
Not specialized in insulation
Best forCustomers seeking a one-stop shop for home improvement needs
Time has a rating of 3.5 from 92 reviews, with mixed feedback from customers. Some appreciate their competitive pricing, but others have raised concerns about customer service and project follow-through. They may be worth considering for budget-conscious clients, but potential customers should be aware of the inconsistency in service quality.
Pros
Competitive pricing
Some positive feedback
Cons
Inconsistent service quality
Mixed reviews
Best forBudget-focused homeowners willing to take a chance
How to choose an insulation contractor in St. Petersburg
Choosing the right insulation contractor involves considering several factors that can impact both the quality of the work and your overall satisfaction. Here are some key points to keep in mind.
Customer Reviews
Look for contractors with a strong track record of positive reviews. High ratings often indicate reliability and quality service.
Experience and Expertise
Consider how long the contractor has been in business and their specific expertise in insulation types and techniques.
Pricing and Estimates
Request detailed estimates from multiple contractors to compare pricing and understand what services are included.
Warranty and Aftercare
Check if the contractor offers warranties on their work and how they handle customer service after the job is completed.
What it costs
What insulation services cost in St. Petersburg
The cost of insulation services can vary based on the type of insulation used, the size of the area to be insulated, and the complexity of the installation. Here are some general pricing tiers to consider.
Fiberglass Insulation$0.50 to $2.00 per square foot, depending on the thickness and installation complexity.
Spray Foam Insulation$1.00 to $3.50 per square foot, offering superior air sealing and energy efficiency.
Cellulose Insulation$0.75 to $2.50 per square foot, made from recycled materials and providing good thermal performance.
Reflective or Radiant Barrier$0.20 to $1.00 per square foot, commonly used in attics to reduce heat gain.
Frequently asked questions
How much does insulation cost in St. Petersburg?
Insulation costs typically range from $0.50 to $3.50 per square foot, depending on the type and complexity of the project.
What factors affect insulation pricing?
Factors include the type of insulation, the size of the area, and the complexity of the installation. Additional services may also influence pricing.
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 St. Petersburg homeowners: Editor's Choice Koala Insulation of St. Petersburg
The top three insulation contractors in St. Petersburg are Koala Insulation of St. Petersburg, Westwind Insulation, and DeRusha Insulation LLC. Each of these businesses stands out for their exceptional ratings, customer service, and reliable insulation solutions, making them ideal choices for homeowners in need of insulation work.