Insulation contractors in New Haven, CT
Compare insulation contractors serving New Haven and the surrounding area. Review each contractor's services, ratings, and key details, then use the questions below to verify scope and pricing before booking estimates.
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New England Performance Insulation
262 Quarry Rd, Milford, CT 06460
Milford, CT insulation contractor offering spray foam, fiberglass, and cellulose options, attic insulation, energy assessments, and ice dam prevention, with strong homeowner reviews.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“The sales appointment was informative with different options on what was available and would work best for my situation.”
review: Shows the provider communicates options and clearly explains choices.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Home Comfort Practice, Inc.
165 Benton St, Stratford, CT 06615
Energy-efficiency upgrades including insulation, air sealing, windows, and energy assessments with a reputation for honesty, clear communication, and tidy workmanship.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Energy Assessments”
website: Shows the provider offers energy efficiency evaluations as a core service.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Excellent
Koala Insulation of Southern Connecticut
23 Bridgeport Ave, Shelton, CT 06484
Koala Insulation of Southern Connecticut is listed with a Shelton, CT address and a 5-star rating, but the Southern Connecticut website currently returns a 403 Forbidden, making it difficult to verify services.
Trust signals
From reviews & website
“403 Forbidden”
website: Website accessibility is unclear due to a 403 error, making it hard to verify offerings.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Arrow Insulation
Arrow Insulation is a New Haven, CT-based provider with a 4.9 rating and strong customer feedback emphasizing professionalism, responsiveness, on-time service, and solid value; the company’s website currently appears inaccessible.
Reviewer highlights
Trust signals
From reviews & website
“Amazing company! Very professional, they answered any question I had.”
review: Shows responsiveness and professionalism.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Advanced Insulation Milford
100 Lansdale Ave, Milford, CT 06460
Attic Doctor (Advanced Insulation Milford) provides attic mold remediation, crawl space work, insulation installation, and air/duct services from Milford, CT, with positive homeowner reviews praising responsiveness, cleanliness, and fair pricing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Attic Mold Remediation”
website: Shows they offer mold-related services on the site.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Excellent
Questions to ask insulation contractors in New Haven
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Plan before you hire
These pages help you build a shortlist, but they don't replace a proper scope discussion with each contractor. If you're still deciding what work your home needs, start with the insulation planning guide and ROI calculator.