Insulation contractors in Maryland
Find insulation contractors across Maryland. 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 Maryland
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Baltimore, MD
Top-rated insulation contractors in Maryland
These are the highest-rated insulation contractors across all cities we track in Maryland.
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Winner Insulation
2624 Lord Baltimore Dr Suite A, Windsor Mill, MD 21244
Winner Insulation is a Baltimore-area insulation contractor offering spray-foam and traditional insulation for residential and commercial projects across MD, DC, and VA, with strong reviews for communication and reliability.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Residential & Commercial Insulation Experts Veteran Owned & Operated Business Serving Maryland - Washington, DC - Virginia”
website: Grounds service area and expertise description
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Koala Insulation
2622 Lord Baltimore Dr Suite F, Baltimore, MD 21244
Koala Insulation in Baltimore, MD has highly positive customer service reviews and accessibility via phone and address, though their site content is blocked by a 403 error.
Reviewer highlights
Trust signals
From reviews & website
“No matter the questions they have answers.”
review: Shows they provide answers and handle questions.
Workmanship
Ask for references
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
HMI Insulation LLC
4501 Fitch Ave, Nottingham, MD 21236
Limited verifiable details: no website or listed services; located in Nottingham/Baltimore, MD; metadata shows a 5 rating but no provider reviews here.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Cameron Home Insulation
7085 Dorsey Run Rd a, Elkridge, MD 21075
Cameron Home Insulation offers attic, crawlspace, retrofit insulation, air sealing, and energy assessment services in the Baltimore area, with multiple insulation materials and a presence in the DMV.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Attic Insulation - Baltimore-Washington and Northern Virginia Areas”
website: Supports service area coverage for attic insulation in those areas.
Workmanship
Good
Communication
Good
Scheduling
Good
Cleanup
Good
DeVere Insulation Home Performance
508 McCormick Dr Suite H, Glen Burnie, MD 21061
Baltimore-area insulation specialist offering a wide range of insulation services (attic, knee-wall, wall, basement, spray foam, batt, blown-in fiberglass, cellulose) plus moisture control and healthy-home solutions.
Services offered
Trust signals
From reviews & website
“Attic Insulation”
website: Shows attic insulation is offered by the provider.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Pyramid Insulation Inc
1100 Batavia Farm Rd, Baltimore, MD 21237
Baltimore-based Pyramid Insulation Inc offers residential and commercial insulation (including existing-home upgrades) with fiberglass insulation, free estimates, and a 10% discount, backed by over two decades of experience and positive homeowner reviews.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Commercial and residential services”
website: Shows they handle both residential and commercial insulation work.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
What to verify in Maryland
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.