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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 Reston
Attic Insulation in Reston, VA

Attic Insulation in Reston, VA

Before After
Attic Insulation in Reston, VA Attic Insulation in Reston, VA

This homeowner in Reston, VA was experiencing cold drafts in their house so they called us. We were happy to help make their house more comfortable by air sealing, which closes all accessible penetrations using expanding polyurethane foam and then we installed our blown-in cellulose insulation. The results of doing this a warmer in the winter, cooler in the summer, more comfortable, and less drafty house! 

Spray Foam Insulation in Reston, VA

Spray Foam Insulation in Reston, VA

Before After
Spray Foam Insulation in Reston, VA Spray Foam Insulation in Reston, VA

A customer in Reston, VA called and wanted to make their upstairs more comfortable. They were experience cold drafts and high energy bills. We performed a home energy audit to determine where the drafts were coming from. We used spray foam insulation to seal up the attic and make it more comfortable and energy efficient. 

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

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
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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! 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 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 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 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 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 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
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...
Vertical Metal Ductwork was sweating in humid summer air
This Reston, VA homeowner was looking for ways to lower their utility costs year round. The biggest bang for your buck is fixing air leaks in the...
Work Requests From Reston, VA
Wild Cherry Place in Reston
Home feels colder than usual. Looking to see what steps can be made within a budget to keep the house warmer. At the very least looking to have windows sealed and weatherstripping installed.
We have a small utility room with foil covered paper-back fiberglass insulation. We found out that this is not fire-safe. We'd like to either cover the current insulation or try something different that's compliant with fire code. We access the utility room to do our laundry, so the insulation/covering needs to be safe for occasional access. (We'd like to keep the costs to a minimum). Thanks.
Thrush Ridge Rd. in Reston
We have a generally drafty home and would like an assessment and path forward to improve what is into what we would like. So this cold be replacement windows, or new insulation solutions. This is made more complex by a wall of glass feature of the house. Thursdays and Fridays are our best days for scheduling visits.
Washington Plaza West, in Reston
14th floor condo with floor to ceiling windows (3 sets of 2 static/one slider 50+ years old). Too much thermal loss winter and summer and far too much noise transmission from the commercial plaza late at night. Looking for a cost-effective reduction primarily in noise transmission, as well as some energy loss gains.
Bentana Way in Reston
I'd like to get an estimate for having insulation added to our attic. We have a flat roof townhouse. Wednesday would be best for an estimate. Thanks, Derek
Virgate Lane in Reston
I am getting estimates for insulating our attic.
White Cornus Lane in Reston
Air leakage Blower Door Test
Trophy Ln in Reston
Home was built in '67 - attic insulation is nearly gone, several drafty/cold rooms, etc.
Deer Forest Road in Reston
Requesting a energy audit for our home, i.e. windows, HVAC, doors, etc.
Lakebreeze Way in Reston
We have just purchased a 3 level townhouse in Reston VA. During the home inspection we found out the loose insulation in the attic is not covering all areas. We would like an estimate to put new insulation in the attic. Thanks.
Antiqua Court in Reston
Frost in attic.
Association Dr in Reston
Looking to have about 30 feet of wall 9 feet tall insulated for sound. I think the spray foam is the best solution as the office space is finished and occupied. have someone call me to discuss please. Thanks, Fred
in Reston
Basement office area is warm compared to the rest of the house. Why?
Putting Green Court in Reston
Attic Insulation, plus basement
Newbridge Ct in Reston
I had an energy audit performed a couple of weeks ago but looking for a second opinion to ensure I am getting the right work performed for a fair price.
Poplar Grove Dr in Reston
Want an energy audit of my house.
Golf Course Dr in Reston
Sunder Ct in Reston
This person has filled out the Star Power Pro survey on that you sent them and is interested in another service you provide: air sealing. Please contact them to schedule a new appointment for this service. This is a no-charge lead.
Saffold Way in Reston
1970 townhome with poor attic insulation.
Wheelwright Ct in Reston
Interested in a quote for sealing air ducts
Serving the following Reston, VA zip codes
20190, 20191, 20194, 20195, 20196, 22096

our service area