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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

Before and After Pictures from Herndon
Decreased cold drafts for homeowner in Herndon, VA

Decreased cold drafts for homeowner in Herndon, VA

Before After
Decreased cold drafts for homeowner in Herndon, VA Decreased cold drafts for homeowner in Herndon, VA

This home in Herndon, VA was experiencing cold drafts this winter and found it expensive to keep their home warm.  In the attic there was very little insulation and had a low R value.  We used our TruSoft Blown-in Insulation resulting in a less drafty and more comfortable home.

New Construction Spray Foam-Herndon, VA

New Construction Spray Foam-Herndon, VA

Before After
New Construction Spray Foam-Herndon, VA New Construction Spray Foam-Herndon, VA

This wise homeowner in Herndon, VA chose to use closed cell spray foam insulation in the walls of their new home. This is a wise investment for comfort and efficiency.  Closed cell spray foam not only insulates better than fiberglass batts, it creates a great vapor barrier on the exterior walls.

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

Herndon's Expert Spray Foam, Attic & Blown Insulation Contractor

I thoroughly reviewed your web site, looked at the various videos and  understood what Dr. Energy Saver could do for...
Happy Customers Surrounding Herndon, VA
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Reviews From Herndon
Testimonials From Herndon
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

Home Insulation Experts Serving Herndon, VA

Comfenergy is Herndon'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

Herndon’s Trusted Window & Door Replacements

Comfenergy also offers window and door replacements for an even more beautiful and efficient Herndon 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 Herndon, 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 Herndon:

  • 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 Herndon 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 Herndon, 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 Herndon
Attic
This Herndon, VA homeowner had rodent issues in their attic. After a conversation with them, they also mentioned wanting to make the house more...
Blown-in
This Herndon, VA homeowner was looking to make the top floor of their home more comfortable and less drafty, yet not lose any attic storage area...
Attic
This home in Herndon, VA was looking to make the master bedroom more comfortable and have less drafts. The house is about 20 years old and needed...
Work Requests From Herndon, VA
Vicinity of Willow Glen Ct in Herndon
Hot upstairs in the summer and freezing in the winter, especially in the corner bedroom where both sides are siding. Siding and roof replaced with tyvek wrap in 2018. Looking to add attic insulation.
Vicinity of Viking Drive in Herndon
Review existing insulation and make recommendation for adding insulation in attic.
Vicinity of Willow Falls Drive in Herndon
Need to replace insulation in Attic
Vicinity of E. Staunton Ave. in Herndon
I need to have new insulation placed in our attic
Vicinity of Franklin Oaks Dr. in Herndon
I need to change my existing insulation and to clean the attic.
Vicinity of CALKINS RD in Herndon
We're interested in options for adding insulation in our home. It has a brick and siding exterior and seems to not be able to keep its heat well.
Vicinity of Autumn Hill Lane in Herndon
I have old insulation in the attic that is causing cold winters and hot summers. Additionally, I have noticed a musty smell in one of the bedrooms that could be mold in the attic. I would like that investigated and potential solutions offered.
Vicinity of Frog Hollow Court in Herndon
Interested in air sealing an unconditioned space (attic above garage)
Vicinity of Copper Ridge Dr in Herndon
I need insulation installed in my basement storage area - on two walls.
Vicinity of BANSHIRE DR in Herndon
I would like to have a free estimate to insulate the attic. Thanks, Guru.
Vicinity of Dranesville Rd. in Herndon
Considering getting additional blown in cellulose insulation in a ~900 sq ft. attic. Currently have around R-20 with blown in fiberglass.
Vicinity of Terra Cotta Circle in Herndon
Poor airflow in the upper floor.
Vicinity of Jeannie Anna Ct in Herndon
Loosing heat in winter and insulating to keep temps in house down during summer--want a comfortable home where systems aren't working as hard as they need to
Vicinity of Bruce Ct in Herndon
I believe that I have a low level of insulation in attic, and would like to have it evaluated and provided a quote for insulation installation
Vicinity of Framingham Ct in Herndon
I need a closed foam spray insulation and sound proofing quote
Vicinity of Magna Carta in Herndon
Insulate crawl space under extension.
Vicinity of Brass Harness Court in Herndon
Upstairs - cold ceilings in the winter Downstairs - leakage around windows and cold rooms in the winter
Vicinity of Plato Kane in Herndon
Tiny home
Vicinity of Oram PL in Herndon
Low and bad insulation, mice activity.
Vicinity of Page Ct in Herndon
Looking to replace our crawl space insulation and vapor barrier. Space is approximately 20 x 20.
Serving the following Herndon, VA zip codes
20170, 20171, 20172, 20192, 22095

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