Contact Us For
A Free Estimate!
Products & Services
Home Energy Saving & Audit
Energy Efficiency Audit
Energy Saving Devices
Energy Saving Products
Energy Saving Tips
Home Energy Audit
Home Energy Conservation

Home Insulation
Attic Insulation
Blown In Insulation
Cellulose Insulation
Duct Insulation
Green Insulation
Insulation Contractors
Pipe Insulation
Reflective Insulation
Rigid Foam Insulation
Roof Insulation
Spray Foam Insulation
Wall Insulation
Window Insulation

Water Heaters
Electric Water Heaters
Gas Water Heaters
High Efficiency Water Heater
Hot Water Heaters
Indirect Water Heater
Instant Hot Water Heater
On Demand Hot Water Heaters
Solar Water Heater
Tankless Water Heaters
Water Heater Installation
Water Heater Replacement

Hvac Systems
Air Conditioning Contractors
Air Conditioning Systems
Boiler Heating Systems
Central Air Conditioning
Ductless Air Conditioning
Gas Furnace
Geothermal Heating And Cooling
Heating And Cooling Systems
High Efficiency Furnace
Home Heating Systems
Hvac Companies
Hydronic Heating Systems

Air Sealing
Sealing Air Leaks
Air Duct Leakage
Air Duct Sealing
Air Leakage Testing
Door Air Seal
Window Air Leakage

Radiant Barrier
Radiant Barrier Insulation
Radiant Barrier Cost
Roof Radiant Barrier

Ductwork
Ductwork Repair
Ductwork Installation
Ductwork Cost
Furnace Ductwork
Hvac Ductwork

Replacement Windows & Doors
Anderson Replacement Windows
Best Replacement Windows
Fiberglass Replacement Windows
Home Window Replacement
Low E Glass
Low E Windows
Marvin Replacement Windows
Vinyl Replacement Windows

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! 

Spay Foam Insulation in Reston, VA

Spay Foam Insulation in Reston, VA

Before After
Spay Foam Insulation in Reston, VA Spay 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
Comfenergy was chosen as one of the best insulation companies in Fairfax, Loudoun, and Arlington Counties for 2016!... [Read more]
Comfenergy is chosen as one of the top insulation companies by the readers of EBSCO Best Pick Reports for Fairfax,... [Read more]
The readers of the Loudoun Times-Mirror voted Comfenergy the best insulation contractor in Loudoun County for 2017.... [Read more]
More Awards

Spray Foam Insulation, Window Replacement & Home Energy Audit Specialist in 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
Reviews
Work Requests

Click the icons to see what our customers had to say.

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, Window Replacement & Energy Audit Contractor 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 will do that. If you energy costs are too high, or there are areas of your home that are too cold in the winter or hot in the summer, contract us today!

Home Insulation Services You Can Trust!

Comfenergy is Nova'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 with out 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 efficiency which will save you money. 

We offer a wide variety of home insulation products and services, and each one serves it's 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:

  • Rigid & Spray Foam
  • Air Sealing
  • Attic, Basement & Crawl Space Insulation
  • Cellulose Insulation
  • Radiant Barrier Insulation
  • Blown-In Insulation

Window Replacement & Installation

Are your home's windows in need of being replaced?  If so the experts at Comfenergy can help.  We are Reston's trusted window replacement contractor. More often than not, your home's windows are the source of all of your air leaks and drafts. To combat this, we replace your old, inefficient windows and with high quality low-e glass windows. Low-e glass windows are more energy efficient than standard glass windows.  Some of the benefits of low-e glass windows are that they block most ultraviolet (UV) radiation with helps protect your home's interior surfaces.  Also, low-e glass windows have a reduced amount of condensation. If you are in need of replacing your home's old, inefficient windows, contact us today for a FREE window replacement quote!

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
Making
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...
Dense
This Reston, VA townhouse had a first floor powder room that was extremely cold in the winter. Comfenergy found very poorly insulated exterior walls...
Reston,
This Reston, VA homeowner was looking to make their home less drafty, lower their utility bills, and become more comfortable in general.
Work Requests From Reston, VA
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 comfenergy.com 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.
Serving the following Reston, VA zip codes
20190, 20191, 20194, 20195, 20196, 22096

our service area

Top