Insulation contractors in Hartford, CT
Compare insulation contractors serving Hartford 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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Compare insulation contractors in Hartford
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Energy Nerds LLC
Chapman St, New Britain, CT 06051
Energy Nerds LLC offers attic insulation and basement insulation (sprayed) in the Hartford, CT area, with highly positive reviews for professionalism, honesty, clear communication, and demonstrated energy-efficiency outcomes.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“We had attic insulation work done and I was very impressed with how professional and honest this company was from start to finish.”
review: Supports trustworthiness and overall professionalism.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Excellent
Koala Insulation of Central Connecticut
148 Dividend Rd Unit A, Rocky Hill, CT 06067
Hartford-area provider with 5-star reviews; website access currently blocked; reviews highlight proactive communication and courteous, punctual service.
Reviewer highlights
Trust signals
From reviews & website
“Very pleasant workers and they are very proficient as we as very prompt with showing up! They also communicated with us prior to the project and we had a very pleasant experience!”
review: Shows punctual arrival and clear communication before the project.
Workmanship
Ask for references
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Koala Insulation of Eastern Connecticut
90 Progress Dr, Manchester, CT 06042
Koala Insulation of Eastern Connecticut provides insulation installation/refurbishment with positive client feedback, emphasizing diagnostic assessment and high-quality workmanship.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“they took the time to analyze the situation and make sure the solution was right for our needs.”
review: Demonstrates diagnostic approach and tailoring the solution to the homeowner's needs.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
JT Energy LLC
200 Burnham St, South Windsor, CT 06074
JT Energy LLC offers CT-focused insulation and energy-efficiency services (spray foam, multi-family, window installs, blow-in) with top-rated, trustworthy service and clean workmanship.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Excellent service!”
review: Indicates high service quality.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Best
77 Pierson Ln unit e, Windsor, CT 06095
Hartford-area foam insulation contractor with strong reviews and competitive pricing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“From start to finish, they treated me with respect, arrived ready to rock, and got my house taken care of.”
review: Shows professionalism, preparedness, and respectful treatment.
Workmanship
Excellent
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Connecticut Spray Foam Insulation
200 Bloomfield Ave #3868, West Hartford, CT 06117
Connecticut Spray Foam Insulation appears to offer spray foam insulation with air sealing and blown-in insulation in the Hartford, CT area. Reviewers cite on-time crews, clear explanations, and noticeable improvements in home comfort and heating/cooling efficiency.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“The crew showed up on time, explained everything clearly”
review: Shows reliability and good communication.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Solutions of CT
59 Burnside Ave STE 2, East Hartford, CT 06108
Solutions of CT provides insulation installation with a focus on customer guidance and energy-assistance options, showing strong communication and thorough workmanship, but with mixed outcomes in some reviews.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Kevin was amazingly helpful for my insulation project.”
review: Demonstrates helpfulness and initial diagnostic engagement.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Ask during quoting
U.S. Insulation Corp.
24 Andover Dr, West Hartford, CT 06110
US Insulation Corp. provides insulation and gutter services in West Hartford/Hartford, CT, offering fiberglass, spray foam, and cellulose insulation, plus gutters and gutter guards, with a focus on integrity and excellent service.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“We install fiberglass, spray foam, cellulose, gutters and gutter guards.”
website: Shows insulation types and gutter services offered.
Workmanship
Good
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Priority Inc.
59 Burnside Ave STE 2, East Hartford, CT 06108
Insulation installer offering attic insulation and energy assessment with mixed reviews on punctuality but strong cleanup and capable attic work.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Angel and his crew were AMAZING!”
review: Demonstrates strong staff impression and positive sentiment about the crew.
Workmanship
Mixed
Communication
Mixed
Scheduling
Mixed
Cleanup
Mixed
Questions to ask insulation contractors in Hartford
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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.