45714 Oakbrook Ct #180
Sterling, VA 20166
Mon-Fri 7:00am-5:00pm

Comfenergy is the locally-owned and authorized Attic Systems attic insulation and air sealing contractor serving Northern Virginia. Located in Sterling, VA, the "Home Comfort Guys" provide professional attic insulation, air sealing, and attic ductwork services that are specifically designed to improve the overall energy efficiency, health, and comfort of the home.

As the authorized Attic Systems company in Northern Virginia, customers can benefit from:

  • "Smart Money" Money Back Guarantee on Qualified Services
  • Trained, Experienced Attic Insulation & Air Sealing Specialists
  • Customized Attic Insulation Upgrades
  • Direct Contractor Financing Options for Qualified Borrowers
  • Free, No-Obligation Evaluations and Estimates - Contact Today!


  • Attic Insulation to solve home comfort, indoor air quality, and energy efficiency problems caused by inadequate attic insulation.
  • Attic Air Sealing to seal gaps and air leaks in the attic that contribute to wasted energy and comfort issues.
  • Attic Ductwork insulation, sealing, and cleaning to fix leaky, uninsulated ducts that can negatively impact your home's air quality, comfort, and efficiency.
  • Attic Mold Treatment to help treat existing mold stains and prevent future mold growth in the attic.

Products Installed:

  • Cellulose Insulation
  • Foamax┬« Rigid Foam Insulation
  • Radiant Barriers
  • Mold-X2 Stain Remover & Botanical System

Service Area:

Proudly serving Northern Virginia, including Alexandria City County, Arlington County, Prince William County, Fairfax City County, Fredericksburg City County, Fairfax County, Loudoun County, Stafford County, Winchester City County, and Culpeper County. This includes the cities and towns of Sterling, Ashburn, Reston, Alexandria, Arlington, Woodbridge, Fairfax, Manassas, Fredericksburg, Falls Church, and surrounding areas.

Check out their attic insulation before and after photos and read reviews from customers below. Schedule your free evaluation and estimate today!

Comfenergy Before & After
  • TruSoft Insulation Job in Lorton, VA
    TruSoft Insulation Job in Lorton, VA

    TruSoft Insulation Job in Lorton, VA

    This is a before and after of an attic which has been freshly insulated with blow-in TruSoft insulation. 

Carl Depner

Certified Comfort & Energy Consultant

Corey Hatcher

Certified Comfort & Energy Consultant

Matt Pascual

Certified Comfort & Energy Consultant

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