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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
Aspen Air Purifier

Before and After Pictures from Sterling
Attic Insulation TruSoft Transformation Sterling VA

Attic Insulation TruSoft Transformation Sterling VA

Before After
Attic Insulation TruSoft Transformation Sterling VA Attic Insulation TruSoft Transformation Sterling VA

Customer called us and requested that we make their top floor cooler during the summer and more energy efficient. Our certified home performance sales pro, Eric, visited the home where he created a plan that would best fit the problem. Here is the before and after from removing their old insulation and air sealing before blowing in Tru Soft cellulose insulation.  

Sterling, VA Attic Upgrade

Sterling, VA Attic Upgrade

Before After
Sterling, VA Attic Upgrade Sterling, VA Attic Upgrade

This Sterling, VA home was suffering from a drafty attic that was making the home too hot in the summer and too cold in the winter. This was having a serious negative impact on the comfort level of the home. When our sales professional Carl went out to the property to perform a full home inspection, he determined that the best course of action to end their discomfort would be to Completely air seal the attic and install new high-quality insulation. Carl explained to the homeowners that the primary cause of their discomfort was the lack of proper insulation and air sealing in the attic. After the homeowners agreed to Carl's solution our service crews went out to get to work on the home. The crews started by removing and disposing of all the old insulation. After that, they applied ZypFoam air sealant to all of the potential leaks on the attic floor. Finally, the crew installed new TruSoft cellulose insulation to keep the home comfortable year-round.

Utility Room air sealing-Sterling, VA

Utility Room air sealing-Sterling, VA

Before After
Utility Room air sealing-Sterling, VA Utility Room air sealing-Sterling, VA

This Sterling, VA homeowner had a utility room that backed up to their garage.  There was a lot of air leakage allowing cold air to travel through the utility room and into the basement making it cold in the winter. 

Thermax foam boards and one part foam was used to seal this air leakage off, and to keep it safe from flammability.  Thermax is a fire resistant material.

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

Trusted Home & Attic Insulation Contractor Serving Sterling

We are not perfect, but we do put our best efforts into it.  Any project has the potential to have...
Happy Customers Surrounding Sterling, VA
Testimonials
Reviews
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Reviews From Sterling
Testimonials From Sterling
I appreciate how prepared he was, how he took the time to listen to my concerns, and didn't try to sell me...
Testimonial by Adam S. from Sterling, VA
Wow! Comfenergy came to our house to conduct an energy assessment, and it far exceeded our expectations. With...
Testimonial by Tina N. from Sterling, VA
Ismael, Rafael, and Jordan did an outstanding job! I will ask for them again as our remodeling contunes.
Testimonial by John C. from Sterling, VA

Home Insulation Experts Serving Sterling, VA

Comfenergy is Sterling'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

Sterling’s Trusted Window & Door Replacements

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

  • 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 Sterling 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 Sterling, 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 Sterling
Pests
Pests can find their way into a lot of homes but one of their favorite places to make a nest is in the fiberglass insulation most homes have in the...
Dirty
Many homeowners experience dirty carpet edges throughout the rooms in their homes. Vacuuming regularly and sometimes calling carpet cleaning...
Fixing
A home in Sterling, VA wanted to make a few rooms in their home more comfortable throughout the year. This home had a cantilevered floor, which is a...
Press Releases From Sterling
March 4th, 2016

Barbara Comstock, Republican Member of US Congress from Virginia's 10th District ...
March 4th, 2016 Barbara Comstock, Republican Member of US Congress from Virginia's 10th District visits Comfenergy in Sterling to show interest and learn what she could do to support this growing concern.... [Read more]
Work Requests From Sterling, VA
Project Location: Sterling, VA
Hi, we'd like to insulate a 1300 ft/2 attic. It presently has nothing. We'd like to use rolled fiberglass or spray foam. Can you give us a idea as to cost and lead time? Thanks, Al
Project Location: Sterling, VA
I'm trying to install sub flooring in the attic for storage and there's very old blown in fiberglass insulation that gets everywhere. There's also a heaping amount that seems unnecessary. Looking to remove, and get better insulation that supports the attic desire.
Project Location: Sterling, VA
We live in a lower unit condo and our primary bedroom is underneath our upstairs neighbors living room. Recently there has been a metallic squeaking when they walk around that keeps us up at night. We wanted to see how much it would cost to insulate the ceiling between our units for a bedroom that is about 12x12 sq ft
Project Location: Sterling, VA
Attic insulation. high levels of dust which I believe is due to degradation of blown-in insulation. Need information about applicable rebates through Dominion energy Home Improvement Program.
Project Location: Sterling, VA
We would like quotes on repairing or totally replacing the insulation all around our basement. The house is 3100 sq ft.
Project Location: Sterling, VA
The closets in the master bedroom in my house are very cold in the winter - am looking for insulation solutions to make them warm!
Project Location: Sterling, VA
Need to have a duct leakage test on a new HVAC. Unit installed in an addition of a house. This was required by an inspector of Loudoun County
Project Location: Sterling, VA
I'm looking for ways to improve the energy efficiency of my home. I'm interested in solutions that will improve comfort and sound isolation, but I'd like to better understand the condition of all my home systems to make an appropriate long-term plan.
Project Location: Sterling, VA
We would like to get a quote for window replacements and for insulation in the attic and maybe spray foam in the walls.
Project Location: Sterling, VA
There is very little insulation in our attic and around the duct work. Upstairs is very hot in the summer and very cold in the winter.
Project Location: Sterling, VA
Garage insulation
Project Location: Sterling, VA
Vapor Barrier installation for crawl space.
Project Location: Sterling, VA
The room above our garage is ridiculously hot! It's our son's room, and he is miserable in the summer. Our upstairs in general is hotter than the middle floor and of course the basement, so hoping to get some relief!
Project Location: Sterling, VA
I need attic & crawlspace insulation. Email is the best way to contact me.
Project Location: Sterling, VA
Our house has a very large temperature disparity between the first and second floor. I'm interested in looking into attic insulation replacement and potentially window replacements given that I know some of the windows are loose and would like to know if we're losing a lot of cool air through/around them Thank you!
Project Location: Sterling, VA
We have a townhouse that is 30 years old. The attic insulation is blown on one side and rolled on the other. Our front upper bedrooms are hot.
Project Location: Sterling, VA
Old attic insulation needs to be replaced
Project Location: Sterling, VA
I looking to upgrade my insulation at the attic, new thermostat (wireless) and a general check of the house.
Project Location: Sterling, VA
Attic insulation replacement quote request.
Project Location: Sterling, VA
Basement is freezing. Need quote for insulation in walls of basement bedroom.

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