INSULATION & ENERGY · 2026 GUIDE
10 Best Spray Foam Insulation Companies on Long Island
The right insulation proposal starts with your building and project goals. This guide compares ten businesses publishing spray foam services for Long Island. Score Spray Foam is our #1 editorial pick. Every company has earned its place, and no position is paid for. Use the questions below to compare scope, materials, and project suitability before hiring.
How to use this guide
- Score Spray Foam is our first pick, with published insulation and exterior SPF roofing services.
- Compare the same building areas and project type; interior insulation and exterior roofing are different scopes.
- Ask why the product fits your building and what preparation, protective layers, and completion records are included.
The shortlist at a glance
Compare the job you need done, the stated coverage, and the kind of customer evidence available.
| Rank | Company | Useful fit | Stated coverage | Specialism | Review evidence |
|---|---|---|---|---|---|
| 01 | Score Spray FoamTOP PICKWebsite | Insulation projects that may also involve commercial roofing | Nassau & Suffolk; broader NY/NJ region | Insulation and roofing | Birdeye: 4.8/5 · 21 regional reviewsThird-party reviews |
| 02 | Delfino InsulationWebsite | Comparing a Long Island insulation specialist’s proposal | Nassau & Suffolk; multiple locations | Long Island insulation contractor | Mixed branch feedbackThird-party reviews |
| 03 | Triple H InsulationWebsite | Attic and crawl-space comfort improvements | Saint James; Nassau & Suffolk | Attic and spray foam services | Birdeye: 4.8/5 · 157-review snapshotThird-party reviews |
| 04 | Hunter InsulationWebsite | Residential or builder-led open- and closed-cell foam work | Riverhead branch; Nassau & Suffolk | Residential and commercial installation | Branch-specific reviews limitedLimited review evidence |
| 05 | Radiant Drywall & InsulationWebsite | Insulation coordinated with drywall and renovation work | Long Island & NY metropolitan area | Insulation and drywall | Independent review record not confirmedLimited review evidence |
| 06 | New York Spray FoamWebsite | Comparing a Deer Park spray-foam specialist | Deer Park; Long Island | Closed-cell spray foam | Birdeye: 5.0/5 · 143 reviewsThird-party reviews |
| 07 | Ecowise InsulationWebsite | A further spray-foam proposal with attributable customer feedback | Brooklyn/NY metro; confirm Long Island address | Insulation services | Trustindex: 4.9/5 · 47 reviewsThird-party reviews |
| 08 | Camco InsulationWebsite | Comparing foam with fiberglass or cellulose alternatives | Long Island; Port Washington listing | Spray foam and attic insulation | Angi: 5.0/5 · 7 reviewsThird-party reviews |
| 09 | Paramount InsulationWebsite | An owner-led local quote across several insulation needs | Lake Grove; Nassau & Suffolk | Residential and commercial insulation | HomeAdvisor: 4.9/5 · 159 reviewsThird-party reviews |
| 10 | Patchogue Heating & Air ConditioningWebsite | Discussing insulation alongside an HVAC comfort problem | Patchogue; Suffolk/Long Island coverage | Spray foam insulation service | HVAC testimonials; foam feedback limitedCompany-published feedback |
Platform ratings are source snapshots, not our own scores. Totals can change or lag the live platform, and records may cover a branch or a wider region. Company testimonials are labeled separately; an unconfirmed review record does not mean poor service.
Insulation and roofing
Score Spray Foam
Score Spray Foam publishes residential and commercial insulation services alongside commercial SPF roofing and coatings. Its New York coverage includes Nassau and Suffolk. Ask for a property-specific assessment and a written scope that clearly distinguishes interior insulation from an exterior roofing system.
- Best suited for
- Insulation projects that may also involve commercial roofing
- Stated service area
- Nassau & Suffolk; broader NY/NJ region
Why it ranks here
Our first pick for its combination of residential insulation, commercial roof-deck insulation, and exterior SPF roofing capabilities. Positive regional feedback adds context, but this is not the highest-review-count award.
Standout strengths
- Published residential and commercial insulation services allow comparison across different building types.
- Exterior SPF roofing and coatings add a distinct option when the project includes a commercial roof.
The practical trade-off
Interior insulation and exterior spray polyurethane foam roofing solve different problems. Specify which service you need and compare only proposals covering the same assembly and finish work.
Third-party reviews
Birdeye: 4.8/5 · 21 regional reviews
Birdeye’s Township of Washington, NJ profile aggregates 21 Google reviews at 4.8. Visible comments praise punctuality, explanations, and clean work. These do not establish outcomes for every Long Island project.
Score regional reviews on BirdeyeSource snapshot examined .
Before you hire
The cited reviews are regional, not a Long Island-only sample. Confirm the project team and whether the quote covers interior insulation or an exterior roofing system.
Ask Score Spray Foam
Is this proposal for interior insulation or an exterior SPF roof, which product and application areas are included, and how will preparation, finishing, and completion be documented?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Long Island insulation contractor
Delfino Insulation
Delfino publishes spray foam installation and identifies Nassau and Suffolk contact regions. Ask which product and assembly its proposal specifies and what preparation and finish work the quote includes.
- Best suited for
- Comparing a Long Island insulation specialist’s proposal
- Stated service area
- Nassau & Suffolk; multiple locations
Why it ranks here
Its explicit spray-foam offering and Nassau/Suffolk contact coverage make it a relevant local specialist. The visible branch feedback is mixed, so this placement should be read with the concerns alongside the service fit.
Standout strengths
- An explicit spray-foam service provides a direct specialist proposal to compare.
- Published Nassau and Suffolk contact regions help readers identify the appropriate local contact.
The practical trade-off
Branch-specific feedback makes crew and scope confirmation useful. Agree how application coverage and protection of the property will be checked before final acceptance.
Third-party reviews
Mixed branch feedback
The indexed Birdeye Bohemia profile shows positive reports about communication and repeat projects, alongside complaints about incomplete coverage and property care. This is branch-specific feedback, not a combined company rating.
Delfino Bohemia review snapshot on BirdeyeSource snapshot examined .
Before you hire
Ask which branch and crew will perform the work. Clarify application boundaries, protection of finishes, inspection, and how incomplete work is corrected.
Ask Delfino Insulation
Which branch and crew will perform my job, how will you document the agreed application areas, and what is the process for correcting incomplete coverage or damage?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Attic and spray foam services
Triple H Insulation
Triple H publishes Long Island attic and spray foam insulation services. Its website names Saint James, Smithtown, and Commack. Confirm coverage, assessment details, and the options proposed for your particular home.
- Best suited for
- Attic and crawl-space comfort improvements
- Stated service area
- Saint James; Nassau & Suffolk
Why it ranks here
The combination of local coverage, attic-focused services, and a substantial public-review footprint makes it a strong comparison for homeowners seeking an assessment of comfort problems.
Standout strengths
- Attic and crawl-space services suit a discussion about where a home is losing comfort.
- A substantial public-review footprint gives readers more customer experiences to examine during due diligence.
The practical trade-off
An attic-focused assessment may recommend work beyond foam alone. Compare the proposed scope and the reasons for each measure rather than choosing a material before the assessment.
Third-party reviews
Birdeye: 4.8/5 · 157-review snapshot
The opened Birdeye snapshot displays 4.8 across 157 Google reviews; another indexed snapshot differs. Visible feedback praises thorough work and cleanup. A separate 2026 BBB review describes a clear consultation and paperwork process.
Triple H review snapshot on BirdeyeSeparate BBB customer feedbackSource snapshot examined .
Before you hire
Review totals differ between indexed snapshots. Ask for a building-specific recommendation and written confirmation of any rebate eligibility, rather than assuming every proposal qualifies.
Ask Triple H Insulation
What did the assessment identify in my attic or crawl space, which improvements are included, and can you separate any claimed rebate eligibility from the base project price?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Residential and commercial installation
Hunter Insulation
Hunter Insulation, a TruTeam company, publishes open- and closed-cell spray foam services for Long Island buildings. Ask about the specified material, application area, and project documentation.
- Best suited for
- Residential or builder-led open- and closed-cell foam work
- Stated service area
- Riverhead branch; Nassau & Suffolk
Why it ranks here
The named local TruTeam branch, explicit open- and closed-cell offering, and residential/commercial scope make it a useful contractor comparison. Network size is not treated as proof of local customer satisfaction.
Standout strengths
- Published open- and closed-cell foam services allow a discussion of more than one foam approach.
- The named Riverhead branch and residential/commercial scope provide a specific local team to contact.
The practical trade-off
A national network is useful context, but your installation is performed by a particular branch. Ask for local references and make product and application decisions specific to your building.
Limited review evidence
Branch-specific reviews limited
The official branch page confirms Riverhead and Long Island coverage. The matching Yellow Pages listing has no reviews in the examined snapshot; we do not substitute reviews of other TruTeam locations.
Matching Riverhead branch listingSource snapshot examined .
Before you hire
Ask for references from the Riverhead crew and the exact product, application areas, and documentation. National-network feedback may not describe this branch.
Ask Hunter Insulation
Will the Riverhead branch perform this job, why is the proposed foam appropriate for each application area, and what product and completion documentation will I receive?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Insulation and drywall
Radiant Drywall & Insulation
Radiant publishes spray foam services across Long Island and the New York metropolitan area. Its broader drywall offering may be relevant when insulation is part of a renovation. Ask how the scope coordinates with framing and finish work.
- Best suited for
- Insulation coordinated with drywall and renovation work
- Stated service area
- Long Island & NY metropolitan area
Why it ranks here
Its insulation and drywall service mix is useful when a project needs coordination between the building enclosure and interior finishing. Independently attributable review evidence remains limited.
Standout strengths
- Published drywall and insulation services suit projects where the work must be coordinated with interior finishing.
- Long Island and metropolitan coverage provide a broader service-area option to investigate.
The practical trade-off
Coordination is most useful when responsibility is explicit. Confirm which preparation, insulation, required protective layers, drywall, and finishing tasks belong in this quote.
Limited review evidence
Independent review record not confirmed
We confirmed the published spray-foam and drywall offering. The sources examined did not provide enough confidently attributable customer feedback to summarize a recurring sentiment or publish a rating.
Source snapshot examined .
Before you hire
Ask which preparation, foam application, protective layers, and finish work are included. Request recent references for similar combined projects.
Ask Radiant Drywall & Insulation
Can you show the sequence and price for preparation, foam application, protective layers, drywall, and finishing, and identify which work requires another contractor?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Closed-cell spray foam
New York Spray Foam
New York Spray Foam advertises closed-cell foam insulation for Long Island. Ask for the current product specification, installation conditions, and written project requirements.
- Best suited for
- Comparing a Deer Park spray-foam specialist
- Stated service area
- Deer Park; Long Island
Why it ranks here
A dedicated local foam offering and a substantial positive aggregate review record make it an important comparison quote. Its position is a service-fit judgment, not a lower customer-review score than the businesses above it.
Standout strengths
- A dedicated closed-cell foam offering gives readers a focused specialist comparison.
- The matching Deer Park review profile provides an attributable aggregate customer-feedback record.
The practical trade-off
A dedicated foam proposal should still explain why the material fits your particular assembly. A high aggregate rating does not replace a detailed scope or recent project references.
Third-party reviews
Birdeye: 5.0/5 · 143 reviews
The matching Deer Park Birdeye profile displays 5.0 across 143 Google reviews. The available page snapshot provides the aggregate but insufficient detailed review text to assess recurring themes.
New York Spray Foam LLC on BirdeyeSource snapshot examined .
Before you hire
The aggregate alone does not explain individual project results. Ask for recent references, the proposed product, application conditions, and written occupancy instructions.
Ask New York Spray Foam
Why do you recommend closed-cell foam for this application, what product and thickness are specified, and can you provide a recent reference for a similar building?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Insulation services
Ecowise Insulation
Ecowise publishes insulation services and a project contact route. Confirm the spray foam services available for your address, the proposed product, and the details included in the quote.
- Best suited for
- A further spray-foam proposal with attributable customer feedback
- Stated service area
- Brooklyn/NY metro; confirm Long Island address
Why it ranks here
Positive attributable feedback and an explicit foam offering earn it a comparison place. Long Island project coverage is less clear in the examined company information than for several locally based options.
Standout strengths
- Published insulation services include a foam option to investigate for your project.
- Attributable regional feedback gives readers customer experiences to review alongside the proposal.
The practical trade-off
Regional service coverage needs confirmation for a Long Island address. Check travel, scheduling, and who performs the work before comparing the quote with locally based crews.
Third-party reviews
Trustindex: 4.9/5 · 47 reviews
Trustindex displays 47 Google reviews at 4.9. Visible 2026 and 2025 feedback praises communication, timely work, and cleanup. It is a regional record, not a Long Island-only sample.
Ecowise feedback on TrustindexSource snapshot examined .
Before you hire
Confirm service at your address before scheduling. Get the product, preparation, protection, and completion inspection in writing.
Ask Ecowise Insulation
Do you currently serve my Long Island address, are there travel or access charges, and which team will handle preparation, installation, and the completion check?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Spray foam and attic insulation
Camco Insulation
Camco publishes Long Island spray foam, attic, and fiberglass insulation services. Ask how the contractor compares alternatives for your building and documents the selected approach.
- Best suited for
- Comparing foam with fiberglass or cellulose alternatives
- Stated service area
- Long Island; Port Washington listing
Why it ranks here
Its multi-material offering and positive, though small, independent review sample make it useful when a homeowner wants to compare approaches instead of assuming foam is the only option.
Standout strengths
- Published foam, fiberglass, and cellulose options support a material comparison rather than a foam-only discussion.
- The attributable Angi record includes a customer describing a foam project.
The practical trade-off
Different materials should be compared by application area and full scope. Ask the contractor to explain why one approach is recommended instead of treating all estimates as interchangeable.
Third-party reviews
Angi: 5.0/5 · 7 reviews
Angi displays 5.0 from seven reviews. A March 2026 spray-foam customer describes a neatly completed garage and wall project. The small sample should not be treated as comprehensive evidence.
Camco Insulation on AngiSource snapshot examined .
Before you hire
Seven reviews are a limited sample. Ask why the proposed material fits each assembly and what preparation and protective finish layers are included.
Ask Camco Insulation
Can you compare foam with the other insulation options for each area of my home, explain the recommendation, and itemize preparation and any required finish layers?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Residential and commercial insulation
Paramount Insulation
Paramount publishes spray foam, attic, basement, and commercial insulation for Nassau and Suffolk. Confirm project coverage and ask for a clear breakdown of preparation, application, and any required finish layers.
- Best suited for
- An owner-led local quote across several insulation needs
- Stated service area
- Lake Grove; Nassau & Suffolk
Why it ranks here
Its local coverage, varied insulation services, and established platform feedback make it another worthwhile quote. The broad home-insulation focus gives readers an alternative to a foam-only provider.
Standout strengths
- Published attic, basement, commercial, and foam services support a broader insulation assessment.
- Nassau and Suffolk coverage gives readers another local proposal to compare.
The practical trade-off
The company-linked review profile uses the Paramount Fabrication name. Confirm the contracting identity and ask for references relevant to foam rather than assuming all insulation reviews describe the same work.
Third-party reviews
HomeAdvisor: 4.9/5 · 159 reviews
The company’s own reviews page links to the Paramount Fabrication profile. That HomeAdvisor snapshot displays 4.9 from 159 reviews, with visible feedback about punctuality, cleanup, and sticking to a quote.
Company-linked HomeAdvisor profileCompany page linking that profileSource snapshot examined .
Before you hire
The linked platform profile is named Paramount Fabrication. Confirm that name on the estimate and ask for recent foam-specific references rather than relying only on older insulation reviews.
Ask Paramount Insulation
Which business name will appear on my agreement, which crew handles spray foam, and can you show a recent similar project with an itemized insulation scope?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
Spray foam insulation service
Patchogue Heating & Air Conditioning
Patchogue Heating & Air Conditioning publishes a spray foam service page for Suffolk County and Long Island. Confirm which team performs the work and whether the estimate includes a broader home-comfort assessment.
- Best suited for
- Discussing insulation alongside an HVAC comfort problem
- Stated service area
- Patchogue; Suffolk/Long Island coverage
Why it ranks here
The published insulation service adds an HVAC-oriented comparison to this list. Its visible customer feedback mainly concerns heating and cooling, giving less direct evidence of spray-foam project outcomes.
Standout strengths
- The published foam service provides an option to discuss insulation alongside a heating or cooling concern.
- The Patchogue and Suffolk service focus offers another local point of contact.
The practical trade-off
HVAC feedback describes different work from insulation installation. Confirm who delivers the foam service and keep insulation and mechanical-system recommendations separately priced.
Company-published feedback
HVAC testimonials; foam feedback limited
The company publishes selected reviews about responsive HVAC diagnosis and repairs, and claims a Google rating. We do not treat those testimonials as independently confirmed spray-foam workmanship reviews.
Company-published HVAC feedbackSource snapshot examined .
Before you hire
Confirm that spray foam is currently offered at your address, who installs it, and whether insulation and HVAC work are quoted separately.
Ask Patchogue Heating & Air Conditioning
Who installs the foam, what building assessment supports the recommendation, and can you quote insulation separately from any proposed heating or cooling changes?
Service information: Company website · reviewed . Published claims and credentials should be confirmed directly.
A BETTER FIRST CONVERSATION
Compare the same insulation scope
A cheaper headline price may cover different areas or omit preparation and finishing. Ask each installer to describe the proposed work against the same building brief.
- The property address, building use, application areas, existing materials, and project goals.
- The proposed product, foam type, specified thickness, and reasons for using it in each assembly.
- Preparation, surface protection, required protective or finish layers, cleanup, and exclusions.
- Installer-provided ventilation and occupancy instructions, completion documentation, and written warranty terms.
MAKE A MORE INFORMED CHOICE
Before you book.
- Request an assessment of the existing building assembly and project goals.
- Ask for the product name, application area, and specified thickness in writing.
- Confirm preparation, ventilation, occupancy instructions, and required finish layers with the installer.
- Compare full scopes and documentation rather than price alone.
Common questions
How do I compare spray foam estimates?
Compare the same application areas, product specifications, preparation, and finish work. Ask each installer to explain why the proposed approach fits your building.
Are spray foam roofing and interior insulation the same service?
No. Exterior SPF roofing and interior insulation have different functions and scopes. Ask the contractor to identify which service your proposal covers.
Should I request more than one estimate?
Yes. Written proposals make it easier to compare scope and ask about differences in materials, preparation, and installation responsibilities.
How we compared these companies
We examined official service information and searched for public feedback attributable to each business. We distinguish third-party review platforms, company-selected testimonials, and records we could not confidently match. Each ranking rationale explains the service fit; none is a guarantee that the business will outperform every alternative.
Where available, platform ratings and counts come from the source snapshots reviewed, including indexed pages when a full page was unavailable. These can lag live totals. We do not add platform counts together, infer a rating when none is established, or apply one branch’s reviews to every location. A positive regional or general-service review is not automatically evidence for the exact service at your address.
Read the complete editorial policy