Contractor directory · Sterling, VA
Comfenergy
Services, coverage & company contact details
Contact details and listed services. Confirm current availability, qualifications, and service area directly with the company.
Location & coverage
Service operator
Listed city / state: Sterling, VA
Company-reported service area is listed; service-specific coverage is not documented.
Services listed
Comfenergy provides crawl-space insulation and encapsulation services and lists its company contact location in Sterling, Virginia. Its service pages describe installing vapor barriers and replacing crawl-space insulation with rigid foam or spray foam. A company project account also describes removing damaged insulation before installing a crawl-space liner, floor insulation and wall insulation.
Crawl-space services
- Crawl Space Encapsulation
- Vapor Barrier Installation
- Crawl Space Moisture Control
- Insulation Removal / Replacement
The company lists Sterling, Ashburn, Leesburg, The Plains and Winchester among its service communities. These are service areas; the documented contact city is Sterling. Its affiliations page identifies 3 Pros Basement Systems as a sister company. They are represented together in this listing.
Contact and sources
Call 800-604-2252. The company publishes a Sterling contact address; public office access has not been verified. See its crawl-space service description and insulation and encapsulation project for details.
Sources reviewed October 12, 2026 through cached or indexed company pages. The project account is from 2022; current services and availability should be confirmed directly.
Ask for a written scope, an explanation of the moisture source, and current insurance and warranty documents. A directory listing is not an endorsement or a verification of licensing.
Company-reported service area
The company lists Sterling, Ashburn, Leesburg, The Plains and Winchester among service communities. Confirm availability for the property directly.
This general company description does not establish coverage for each service. Service-specific evidence, when recorded, appears above.
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