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Products & Services

Insulation Services
Spray Foam Insulation
Attic Insulation
Super Attic System
Blown-In Insulation

Types of Home Insulation

Basement Insulation
Crawl Space Insulation
Garage Insulation
Wall Insulation

Air Sealing Services
Blower Door Test

Additional Services
Ductwork Solutions
Home Energy Audit
Replacement Windows
Replacement Doors
Interior Window Inserts

Before and After Pictures from Chantilly
Spray Foam Garage Ceiling

Spray Foam Garage Ceiling

Before After
Spray Foam Garage Ceiling Spray Foam Garage Ceiling

Closed cell spray foam being used on a garage ceiling to keep the rooms above warmer in the winter.

Company Awards
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]
2018 Best of Loudoun Award
Loudoun Times Mirror's "2018 Best of Loudoun" award... [Read more]
More Awards

Reliable Home Insulation & Spray Foam Services Professional in Chantilly

Excellent guys.  Worked fast and did quality work....
Happy Customers Surrounding Chantilly, VA
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Home Insulation Experts Serving Chantilly, VA

Comfenergy is Chantilly's 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. Customer satisfaction is our goal, and we take whatever steps necessary to ensure that you are more than happy with our service. At Comfenergy our slogan is "We Fix Uncomfortable Homes!", and we guarantee will do that. If your energy costs are too high, or there are areas of your home that are too cold in the winter or hot in the summer, contact us today!

Expert Spray Foam Insulation Company

At one point pink fiberglass insulation was the best option for home insulation. However, today spray foam insulation is the much better option. Spray foam insulation has several benefits and beats the traditional fiber-glass product in every way. Spray foam insulation is the top choice for homeowners, contractors and building scientists (the experts who study home energy performance) for several reasons. Here are the top reasons spray foam insulation should be your number 1 choice:

Advantages of Spray Foam Insulation:

  • Provides both insulation and air sealing
  • Fills gaps and cracks
  • High R-value
  • Speedy installation
  • Spray foam won't shift, settle, or fall out of place

Help Your Home with Attic Insulation

Upgrading your home’s attic insulation is a very effective & popular energy-saving method because there is usually a lot of room for improvement. Most homeowners believe their attic has enough insulation but once we explain how much insulation is actually needed to make your home efficient people understand that they don’t have anywhere near enough. It is common knowledge that hot air rises which is why a properly insulation attic is one of the most important things you can do for your home. By adding attic insulation to your home you are guaranteeing to save money and also have a more comfortable home. Not having a properly insulated attic is equivalent to constantly leaving one of your windows open. Don’t wait any longer to learn more about the attic insulation methods we have available in your area!.

Attic Insulation Services Available in Chantilly:

  • Blown-in Insulation
  • Blown Fiberglass Insulation
  • Radiant Barrier
  • Rigid Foam Insulation

Crawl Space Insulation Experts

Do you need crawl space insulation installed or replaced? If so, you're in the right place! A damp crawl space with falling or sagging insulation usually means the space has a moisture problem. If that is the case our team of experts can provide a vapor barrier to keep moisture out of your crawl space. We can then replace your existing insulation with a better option such as rigid foam or spray foam insulation. If your crawl space is completely missing insulation then your home is most likely cold and drafty. This is because the environment in your crawl space will transfer to other parts of your home, which is why proper crawl space insulation is essential to keeping your home comfortable and your energy bills low. To learn more about crawl space insulation cost, call or click today!

Complete Insulation Services You Can Trust!

Comfenergy is Northern Virginia's preferred home insulation and air sealing services company. We have helped many homeowners not only reduce their home energy bills but improve the overall comfort of their homes without patented home insulation solutions.  Did you know that most modern homes do not have adequate insulation? Because of this, your home may feel drafty or uncomfortable throughout the year, mostly in the summer and winter, and this can increase your home energy costs. Proper insulation in your home allows your heating or air conditioning systems to work more efficiently which will save you money. 

We offer a wide variety of home insulation products and services, and each one serves its own unique purpose.  Our most popular form of insulation is spray foam.  Spray foam insulation is extremely versatile and can be used almost anywhere in your home. Spray foam insulation is one of the best ways to lower energy costs, sometimes 30% or more!

Along with spray foam, we use many other different types of insulation as well. Some of our other insulation products include rigid foam, blown-in, cellulose, fiberglass, radiant barrier, and much more.  We understand that insulation is only part of the home energy and comfort equation, so because of this, we can insulate any area of your home.  We insulate spaces such as attics, basements, crawl spaces, walls, floors, garages, and much more.  If your home is uncomfortable or energy bills are too high, contact us today for a FREE home insulation quote!

Home Insulation Services:

Basement Waterproofing Services

Is a wet basement driving you crazy, causing damage, or lowering your home's value? Our team of expert waterproofers can help. We offer a wide range of quality waterproofing solutions like:

  • Perimeter drainage systems
  • Doorway drainage systems
  • Sump pumps
  • Waterproof wall and floor products
  • Wall and floor crack repairs
  • Replacement windows
  • Water heater flood protection
  • Frozen discharge line prevention

Comprehensive Home Energy Audits

Do you think your home is not as energy efficient as it could be? The home energy experts at Comfenergy offer homeowners of Chantilly custom home energy audits.  Before we perform any work in your home, we will take the time to sit with you and discuss what areas of your home are your most problematic, and figure out if you are having common issues.  We till perform our energy audit, and once we have the results, we will go over our findings with your and figure out the next step.  We believe that this approach is the most beneficial for both parties because we can prioritize whatever work needs to be done without wasting your hard earned money.  If you are interested in a comprehensive home energy audit, contact us today!

Get your FREE, no-obligation services estimate in Chantilly, 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 Chantilly
A Crematorium called us asking for help in preparig their consulation room for business by Sound Proofig it from the adjacent room used to house the...
This Chantilly homeowner had rooms over their garage that were cold in the winter. Comfenergy offered a solution to dense pack cellulose above the...
This Chantilly homeowner had lived with the master bedroom being cold in the winter for too long. Since the day they had moved in the master bedroom...
Work Requests From Chantilly, VA
Gladwyn Ct in Chantilly
Two car garage under master bedroom. Need a quote on spray foam for ceiling and possibly the walls. All the drywall is on and I will remove prior to work.
Melville Lane in Chantilly
Need attic insulation to meet todays requirements of R 49 &above have insulation from 1980s R 19 value, also questions about attic sealing need estimates & how soon work can be done
Mountcastle Dr in Chantilly
Need a free estimate for attic insulation
Beach Place in Chantilly
May need attic insulation. Requesting in-house assessment please.
Brookfield Drive in Chantilly
Underfloor insulation in sun room needs to be evaluated.
Valiant Dr in Chantilly
I am looking for Home Energy Audit.
Star Flower Dr. in Chantilly
Need to insulate Bump Out on the back of the house (below the kitchen)
Taylor Crescent Dr in Chantilly
We have an unfinished basement and very little insulation around the house
Armfield Farm Dr in Chantilly
Old house one room is too cold.. need to see what can be done
Freedom Street in Chantilly
Add insulation to my attick
Howerton Drive in Chantilly
Energy Audit of Single Family Home
Castle Terr in Chantilly
Energy bill is too high, we like to keep house cold. Windows are new but drafty. Interested in making our bedroom insulated from rest of house. Open to suggestions.
Pint Pleasant Dr in Chantilly
Looking into insulating out attic. The top floor is much hotter than our main level. Would like our bedroom temperature to be more comfortable.
Smallwood Lane in Chantilly
Bedroom above garage is cold.
Southernwood Ct in Chantilly
I would like to get a quote to spray foam insulate my garage walls and ceiling. It's a standard 2car garage with two guest rooms above.
Mcintyre Sq. in Chantilly
Townhome with an air leak in internal wall. The back (outside) wall is actually warmer than the adjacent internal (shared) wall in the winter. I believe the water line also runs up this wall because it is freezing cold and takes a long time for water to warm up during wintertime. Also have interest in looking at insulation upgrade above garage as the floor in the room above gets very cold in the winter.
Evian Lane in Chantilly
Attic and walls need insulation
Walney Knoll Ct in Chantilly
Looking for an estimate for attic insulation. Thanks!
Pelican Drive in Chantilly
Get cold air penetrated in a room above the garage.
Sand Pine PL in Chantilly
I need to either insulate my garage or my attic (blown in insulation).

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