Insulation contractors in New Hampshire
Find insulation contractors across New Hampshire. Use the city pages below to compare local pros, or scroll down to see the top-rated contractors statewide.
Browse insulation contractors by city in New Hampshire
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Manchester, NH
Top-rated insulation contractors in New Hampshire
These are the highest-rated insulation contractors across all cities we track in New Hampshire.
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Krempel Insulation Technologies LP
143 Raymond Rd #4B, Candia, NH 03034
Krempel Insulation Technologies LP is a manufacturer of electrical insulation materials, composites and electronic materials, offering customised solutions for Energy, Mobility and Industry segments.
Services offered
Trust signals
From reviews & website
“Krempel is a leading manufacturer of electrical insulation materials, composites and electronic materials”
website: Supports that the provider's core offerings include insulation materials and related materials.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Mill City Energy
50 Raymond Rd, Auburn, NH 03032
Mill City Energy provides NH-based home energy audits and improvement services, with diagnostic testing and customizable audit levels, backed by NHSaves programs.
Services offered
Trust signals
From reviews & website
“You can choose from a basic, upgraded or premium audit.”
website: Shows the range of audit levels and diagnostic options.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
The Weatherize Guyz ,LLC
1298 Smyth Rd unit 27, Hooksett, NH 03106
The Weatherize Guyz, LLC appears to offer weatherization-related services such as gutters and insulation, but homeowner reviews raise reliability concerns (poor communication, scheduling no-shows) and the website is currently blocked by security protections.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“lack of communication between their employees is frustrating and unprofessional.”
review: Shows communication issues within the company.
Workmanship
Ask for references
Communication
Poor
Scheduling
Poor
Cleanup
Ask during quoting
Green Era Insulation, LLC
49 Union St, Manchester, NH 03103
Spray-foam insulation specialist in Manchester, NH offering quick scheduling, competitive pricing, and fully insured service with a focus on energy efficiency and airtight sealing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“QUICK SCHEDULING Our customers are our priority, we respond quickly to all inquiries and schedule on days that are most convenient for the customer.”
website: Shows responsiveness and convenient scheduling.
Workmanship
Excellent
Communication
Not enough data
Scheduling
Excellent
Cleanup
Ask during quoting
USA Insulation of Southern NH
560A Rockland Ave, Manchester, NH 03102
Insulation and air sealing specialist serving Manchester, NH, offering attic, wall, injection foam, and spray foam options.
Services offered
From reviews & website
“New Hampshire Home, Attic & Wall Insulation Contractors”
website: Shows the provider specializes in home, attic, and wall insulation in NH.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Builders Installed Products New Hampshire
48 King St, Auburn, NH 03032
New Hampshire-based insulation and home improvement contractor serving NH, MA, and Southern Maine with insulation installation and related services.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Proudly Serving New Hampshire, Massachusetts, and Southern Maine”
website: Shows geographic service area.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
What to verify in New Hampshire
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.