
Insulation Services in Rockville, MD
Compare 34 insulation services contractors near you in Rockville and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 2, 2026
Most pros respond within 2–24 hours
Verified Pro Installers


Terra Insulation | Insulation Contractor Bethesda

American Custom Contractors

Cameron Home Insulation

DMV Foam
Other Businesses in This Area
ARHT Home Solutions
5.08+ years onlineDC Spray Foam Insulation
5.0~6 years onlineDiactive-Construct LLC
5.0~3 years onlineExtreme Spray Foam of North Potomac
5.0~8 years onlineKoala Insulation of Washington DC
5.07½+ years onlineMaryland Spray Foam Insulation
5.0~6 years onlineThe King Insulator
5.0Virginia Diamond Insulation
5.01 year onlineVirginia Spray Foam Insulation
5.07+ years onlineAce Handyman Services Rockville
4.913½+ years onlineAtlas Home Energy Solutions
4.916½+ years onlineDNB Construction LLC
4.9~16 years onlineS - OCC Dryer Vent Cleaning Services Rockville, MD
4.9Comfenergy
4.8~15 years onlinePresidential Exteriors
4.7~11 years onlineABC Supply Co. Inc.
4.5~28 years onlineCrawl Space Brothers
4.4~7 years onlineAB Insulation Foam & Attic
4.0Insulation Services in Nearby MD Cities
Other Services in Rockville
Insulation Services in Rockville, MD
Insulation services in Rockville (MD) serves a DC-metro Montgomery County market: single-family homes, townhouses, newer construction, and commercial properties. Typical jobs include attic insulation upgrades (energy efficiency), spray-foam for energy-tight construction, blown-in cellulose, and commercial insulation. Mid-Atlantic climate and Montgomery County energy programs drive approach.
Residential attic insulation in Rockville runs $2,500-$6,000; spray-foam $4,000-$15,000; whole-home upgrade $5,000-$15,000. Maryland requires a Home Improvement Contractor license. Montgomery County permits apply. EmPower Maryland rebates available.
Frequently Asked Questions
- What R-value for Rockville?
- R-49 attic, R-19 walls for Mid-Atlantic.
- Spray-foam vs cellulose?
- Spray-foam premium for tight construction; cellulose cheaper retrofit.
- Are rebates available?
- Yes — EmPower Maryland and federal tax credits.
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