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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.

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.

How much does insulation contractors cost in St. Petersburg? See the price breakdown →

Our top picks

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

Koala Insulation of St. Petersburg

★★★★★5.0(153 reviews)

With a perfect rating of 5 from 153 reviews, Koala Insulation of St.

Read full review
Best Value
95Score

Westwind Insulation

★★★★★5.0(43 reviews)

Westwind Insulation boasts a 5-star rating from 43 reviews, with customers highlighting their competitive pricing and thorough installations.

Read full review
Most Reviewed
93Score

DeRusha Insulation LLC.

★★★★★4.9(51 reviews)

DeRusha Insulation LLC.

Read full review

All 9, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
5.0★★★★★
153Homeowners seeking reliable and high-quality insulation work
2
95Score
5.0★★★★★
43Budget-conscious homeowners
3
93Score
4.9★★★★★
51Homeowners looking for knowledgeable guidance on insulation options
4
91Score
5.0★★★★★
34Homeowners specifically interested in spray foam insulation
5
89Score
5.0★★★★★
8Homeowners looking for responsive service
6
87Score
5.0★★★★★
6Homeowners open to new companies
7
82Score
3.7★★★★★
3Small projects or specific insulation needs
8
80Score
4.1★★★★★
3,326Customers seeking a one-stop shop for home improvement needs
9
78Score
3.5★★★★★
92Budget-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.

Full reviews

The rankings · in order
1
★ Editor's Choice

Koala Insulation of St. Petersburg

★★★★★5.0(153 reviews)
96Score

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
Service areaSt. Petersburg and surrounding areas
Typical pricing$1.00 to $3.00 per square foot
2
Best Value

Westwind Insulation

★★★★★5.0(43 reviews)
95Score

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.

Pros

  • Competitive pricing
  • Thorough installations
  • Customer-focused

Cons

  • Smaller review base
  • Limited service offerings
Best forBudget-conscious homeowners
Service areaSt. Petersburg and nearby locations
Typical pricing$0.75 to $2.50 per square foot
3
Most Reviewed

DeRusha Insulation LLC.

★★★★★4.9(51 reviews)
93Score

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
Service areaSt. Petersburg and surrounding areas
Typical pricing$1.00 to $3.00 per square foot
4

Expert Spray Foam

★★★★★5.0(34 reviews)
91Score

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
Service areaSt. Petersburg and nearby areas
Typical pricing$1.50 to $3.50 per square foot
5

Insulation Genie

★★★★★5.0(8 reviews)
89Score

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.

Pros

  • Friendly service
  • Quick response times
  • Promising reputation

Cons

  • Thin review base
  • Limited service history
Best forHomeowners looking for responsive service
Service areaSt. Petersburg
Typical pricing$1.00 to $2.50 per square foot
6

Fenix Foam, Llc

★★★★★5.0(6 reviews)
87Score

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.

Pros

  • Efficient service
  • Friendly staff
  • Innovative solutions

Cons

  • Very limited review base
  • Newer company
Best forHomeowners open to new companies
Service areaSt. Petersburg
Typical pricing$1.50 to $3.00 per square foot
7

Rome, Inc

★★★★★3.7(3 reviews)
82Score

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
Service areaSt. Petersburg
Typical pricing$1.00 to $2.00 per square foot
8

Lowe's Home Improvement

★★★★★4.1(3,326 reviews)
80Score

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
Service areaSt. Petersburg and surrounding areas
Typical pricing$0.50 to $2.00 per square foot
9

Time

★★★★★3.5(92 reviews)
78Score

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
Service areaSt. Petersburg
Typical pricing$0.50 to $1.50 per square foot
Before you book

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.