Contact Us For
A Free Estimate!
Products & Services
Basement Repair Services & Products
WaterGuard Interior System
DryTrak Drainage Channel
TrenchDrain Drain Grate
IceGuard Discharge Line
FlexiSpan Wall Crack Repair
Polyurethane Crack Sealing
WellDuct Window Drainage
BrightWall Waterproof Panels
ThermalDry Wall Barrier
Basement To Beautiful Pre-finishing Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back Up
Sanidry Dehumidifier

Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers And Liners
Turtl Access Hatch
EverLast Crawl Space Doors
Sanidry Csb Dehumidifier
SmartDrain Water Drainage
SilverGlo Wall Insulation
TerraBlock Floor Insulation
SmartSump Sump Pump
Crawl-o-Sphere Crawl Space Fan
WallCap Block Wall Sealer
SmartVent Flood Vents

Home Energy Saving & Audit
Energy Efficiency Audit
Energy Saving Devices
Energy Saving Products
Energy Saving Tips
Home Energy Audit
Home Energy Conservation

Home Insulation
Attic Insulation
Blown In Insulation
Cellulose Insulation
Duct Insulation
Green Insulation
Insulation Contractors
Pipe Insulation
Reflective Insulation
Rigid Foam Insulation
Roof Insulation
Spray Foam Insulation
Wall Insulation
Window Insulation

Water Heaters
Electric Water Heaters
Gas Water Heaters
High Efficiency Water Heater
Hot Water Heaters
Indirect Water Heater
Instant Hot Water Heater
On Demand Hot Water Heaters
Solar Water Heater
Tankless Water Heaters
Water Heater Installation
Water Heater Replacement

Hvac Systems
Air Conditioning Contractors
Air Conditioning Systems
Boiler Heating Systems
Central Air Conditioning
Ductless Air Conditioning
Gas Furnace
Geothermal Heating And Cooling
Heating And Cooling Systems
High Efficiency Furnace
Home Heating Systems
Hvac Companies
Hydronic Heating Systems

Air Sealing
Sealing Air Leaks
Air Duct Leakage
Air Duct Sealing
Air Leakage Testing
Door Air Seal
Window Air Leakage

Radiant Barrier
Radiant Barrier Insulation
Radiant Barrier Cost
Roof Radiant Barrier

Ductwork
Ductwork Repair
Ductwork Installation
Ductwork Cost
Furnace Ductwork
Hvac Ductwork

Replacement Windows & Doors
Anderson Replacement Windows
Best Replacement Windows
Fiberglass Replacement Windows
Home Window Replacement
Low E Glass
Low E Windows
Marvin Replacement Windows
Vinyl Replacement Windows

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

Comfenergy serving Fairfax County, VA

Happy Customers Surrounding Fairfax County, VA
Testimonials
Reviews
Work Requests

Click the icons to see what our customers had to say.

Reviews From Fairfax County
Testimonials From Fairfax County
The crew was professional and friendly. They worked well and efficiently and took care to explain all steps and clean up after.
Testimonial by Andrew S. from Herndon, VA
Very thorough inspection of home. Shayne identified many issues. Phenomenal crew! Jordan, Irvin, and Kelvin worked extremely hard and did a superior job. ...
Testimonial by Bob L. from Herndon, VA
Scott Beers was great at explaining the pros and cons of all the options. Jordan, Manny, and Irvin were very polite and friendly. The energy auditor (Alex)...
Testimonial by Allyson J. from Reston, VA

Spray Foam, Attic & Crawl Space Insulation Experts Proudly Serving Fairfax

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.

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, Virginia, 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 County
Interior
This McLean, VA homeowner had recently purchased the home and was gutting the entire interior to have it remodeled. Their desire to have the most...
Covered
This McLean, VA homeowner had a covered porch (uninsulated) and they were converting it into a sun room they wanted to use all year round. It needed...
Attic
This McLean, VA home wanted to upgrade their attic insulation value, but not lose any storage space. During the Comfenergy evaluation the home showed...
Work Requests From Fairfax County, VA
Vicinity of Elmtop Ct. in Fairfax
One of our bedrooms is too hot in the summer and too cold in the winter. Interested in the spray insulation as a possible solution.
Vicinity of Shadow Lawn Ct. in Fairfax
Serving the following Fairfax County, VA zip codes
Alexandria 22306, Alexandria 22310, Alexandria 22307, Alexandria 22312, Alexandria 22308, Alexandria 22315, Alexandria 22303, Alexandria 22309, Annandale 22003, Burke 22015, Centreville 20120, Lorton 22079, Springfield 22153, Mc Lean 22101, Reston 20191, Springfield 22152, Centreville 20121, Springfield 22150, Herndon 20192, Herndon 20172, Herndon 22095, Herndon 20170, Herndon 20171, Fairfax 22037, Fairfax 22034, Fairfax 22031, Fairfax 22035, Fairfax 22032, Fairfax 22036, Fairfax 22033, Mc Lean 22102, Chantilly 20151, Fairfax Station 22039, Great Falls 22066, Oakton 22124, Reston 20190, Springfield 22151, Vienna 22183, Vienna 22180, Vienna 22185, Vienna 22181, Vienna 22182, Falls Church 22043, Falls Church 22044, Falls Church 22041, Falls Church 22042, Reston 20194, Fort Belvoir 22060, Dunn Loring 22027, Clifton 20124, Springfield 22158, Newington 22122, Mc Lean 22107, Merrifield 22082, Merrifield 22118, Greenway 22067, Springfield 22159, Mc Lean 22108, Chantilly 20153, Burke 22009, Merrifield 22119, West Mclean 22103, Centreville 20122, Lorton 22199, Springfield 22160, Reston 20195, Mc Lean 22109, Reston 22096, Springfield 22156, Mount Vernon 22121, Mc Lean 22106, Merrifield 22081, Springfield 22161, Reston 20196, Merrifield 22116

our service area

Top