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Energy Efficiency Audit
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Home Insulation
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Air Sealing
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Radiant Barrier
Radiant Barrier Insulation
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Ductwork
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Company Awards
Loudoun's Favorite Insulation Company 2019
The results are in from Loudoun Now's Annual Favorites Poll. Comfenergy is the winner for Favorite Insulation Company!... [Read more]
Best of Loudoun - 2019
We won the Best Insulation Company in Loudoun County again this year!!... [Read more]
2018 Superior Service Business of the Year
Comfenergy earned the 2018 Superior Service Business of the Year award from the Loudoun County Chamber of Commerce... [Read more]
More Awards

Fairfax City County, VA's Local Home Insulation Experts

Happy Customers Surrounding Fairfax City County, VA
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Spray Foam, Attic & Crawl Space Insulation Experts Proudly Serving Fairfax City County, VA

Comfenergy is an authorized dealer of the nationally renowned Dr. Energy Saver network of the best energy-conservation contractors across the country. We are not just a contractor company, we specialize in helping you understand your home's current energy efficiency, suggest repairs, and we also do the work! You'll receive the maximum energy and cost-saving results with least amount of hassle.

Spray foam, Attic, Crawl Space, & Blow in Insulation in Fairfax City County.

We offer FREE estimates for the following services:

  • Complete Home Energy Audit
  • Insulation
  • Crawl Space Repair
  • Sealing Air Leaks
  • Radiant Barrier Installation
  • Window replacement
  • Ductwork 

Get your FREE, no-obligation services estimate in Fairfax City County, VA, you'll also receive a free copy of "Saving Energy and Money at Home," a great book to use as you begin to create a more comfortable, healthy, and energy efficient home!

Case Studies From Fairfax City County
Spray
This Fairfax, VA home was being remodeled on the inside. The exterior walls had no insulation, so they removed the walls and framed out the exterior...
Conditioned
The customer, a world class Industrial Hygienist who focuses on indoor air quality in residential properties, asked us to come and evaluate his home...

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