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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
Weatherization

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

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

Spray Foam & Attic Insulation Company Serving Reston

Outstanding job, arrived on time or early each day, very professional and friendly, high quality work, excellent crew leader....
Happy Customers Surrounding Reston, VA
Testimonials
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Reviews From Reston
Testimonials From Reston
I can't say enough about how happy I am with their service and the results speak for themselves.
Testimonial by Heidi F. from Reston, VA
Ariel Campos and his partner took extra time to explain everything really well.
Testimonial by Gary S. from Reston, VA
A "5" for customer service!
Testimonial by Mickey M. from Reston, VA

Home Insulation Experts Serving Reston, VA

Comfenergy is Reston'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! Not only do we offer a variety of home energy services, but we also offer replacement windows and door services to keep the outside out and warmth in, and to boost your curb appeal. You'll receive the maximum energy and cost-saving results with the 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 we 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

Reston’s Trusted Window & Door Replacements

Comfenergy also offers window and door replacements for an even more beautiful and efficient Reston home. We install Simonton interior window inserts, window replacements, and door replacements with expert precision. Replacement windows and doors will help to maintain more even temperatures and eliminate drafts and energy loss in your home. New windows and doors not only improve the interior and exterior appearance of your home, but they also can lead to significant energy savings. Call to schedule a free estimate today in Reston, VA!

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 Reston:

  • 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 VA'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:

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 Reston 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 you 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 Reston, 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 Reston
Low
This Reston, VA homeowner was concerned with odors that might be emitted by any materials used to air seal and insulate their attic. They had issues...
Attic
This homeowner is Reston, VA had high utility bills, drafty areas, and mold growing on the under-side of the roof decking. These are indicators of a...
Nasty
This Reston, VA homeowner was looking to seal up their home from air leakage. Any air leaks in a home cause HVAC systems to work harder to regulate...
Work Requests From Reston, VA
Vicinity of Quali Ridge in Reston
Hello We just bought a House and before moving all the furnitures we d like to make sure the insulation is correct and if need be update it. We d like to get a quote Regards Denis
Vicinity of Marginella Dr in Reston
Window replacement
Vicinity of CompassPoint Lane in Reston
Uneven heating and cooling, attic venting/ insulation
Vicinity of Redtree Way in Reston
I would like an estimate for attic insulation and one window replacement.
Vicinity of Decade Ct in Reston
We have low insulation in our attic and would like a quote.
Vicinity of Wethersfield Ct in Reston
We've owned our townhouse for 3 years now and noticed that the insulation in our attic is starting to fall down in some places. We aren't sure if it just needs to be reinstalled or if some or all sections might need to be replaced. We would be interested in having someone assess the insulation and give us some recommendations.
Vicinity of Stoneledge in Reston
Replacement of 2 exterior doors
Vicinity of Deer Forest Dr in Reston
Attic and sky light insulation
Vicinity of Lakeport Way in Reston
Live in a townhouse. I need the floor above the garage sealed and insulated and the crawl space under the front door landing sealed and insulated.
Vicinity of Pond View Court in Reston
Feeling drafts and losing heat.
Vicinity of Saffold Way in Reston
High electric bill - possibly too little insulation in attic.
Vicinity of Vintage Pl in Reston
Have what may be some ice buildup on window frame leaking in house.
Vicinity of Fieldstone Ln in Reston
Replace the exposed insulation in our walk in attic
Vicinity of Water Pointe Lane in Reston
Energy Audit Room above garage cold in winter, hot in summer.
Vicinity of Fox View Way in Reston
My living room and kitchen is very cold and we need to check if there is any air leak in our home. we like to get the free quote first.
Vicinity of Hearthstone Court in Reston
Some repair and insulation replacement
Vicinity of STIRRUP IRON LANE in Reston
I have an addition that is showing obvious signs of structural issues. The floor is sagging. In exploring the crawl space, all joists are running lengthwise and there is no central beam to support the joists.
Vicinity of Wethersfield CT in Reston
I have enough cellulose in the attic to meet R19, plan on blowing more insulation up there to get to R49.
Vicinity of Crippen Vale Ct. in Reston
23-year old single family home. Looking to add insulation to attic. You can call anytime during business hours. Thank you!
Vicinity of Gatesmeadow Way in Reston
We are looking into an energy audit and potentially air sealing our home to help with keeping indoor humidity higher in the winter.
Serving the following Reston, VA zip codes
20190, 20191, 20194, 20195, 20196, 22096

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