Attic Insulation for maximum comfort

Crawl Space Encapsulation for a healthier home

Home Energy Upgrades for a more efficient home

Basement Waterproofing to regain valuable space

Maximize your home's comfort and increase your monthly savings!

Expert Spray Foam Insulation, Basement Waterproofing, & Crawl Space Repair in Virginia

Proudly Serving Sterling, Ashburn, Reston & Nearby

Does your home have uncomfortable, drafty rooms, a wet basement, or a nasty crawl space? Comfenergy improves your home's comfort, lowers your utility costs, and provides effective moisture-control solutions, creating a healthier, more pleasant, and energy-efficient home overall.

Want to learn more about our reliable home energy and waterproofing solutions? Schedule a free service estimate on any of our services, including home energy audits, spray foam insulation, basement waterproofing, crawl space encapsulation, and more!

Increase Home Comfort & Reduce Energy Bills With Airtight Insulation

Surprisingly, most modern homes are not equipped with adequate insulation. So if your home feels drafty, with uncomfortable rooms, and high energy bills, then poor insulation is probably the culprit. Luckily, Comfenergy provides reliable energy audits that pinpoint weak areas in your home's building envelope and help us generate the most savings on your energy bills.

Whether you need cellulose insulation in the attic, air sealing spray foam insulation, or moisture-proof crawl space insulation, we offer these solutions and much more!

The Comfort Triangle

The integrity of your building envelope, the operational efficiency of your HVAC system, and the quality of your ductwork all contribute to your home's comfort and efficiency.

Completed Home Energy Projects in Northern VA

Why Northern VA homeowners choose us

Part of the Dr. Energy Saver dealer network

Comfenergy has over 20 years of experience creating more comfortable and energy-efficient homes. From air leakage in the attic to sagging basement insulation, our home energy specialists have seen it all and have the solutions to solve any problem.

With the backing of the Dr. Energy Saver network, we have gone through extensive training to properly repair home energy issues with the most innovative solutions on the market.

Our strong reputation, dedication to delivering superior results, and commitment to our customers have brewed a strong recipe for success. Schedule a free estimate to see the difference our solutions can make in your home!

Happy Customers in Northern VA


Comfenergy has helped thousands of homeowners with their home energy and comfort issues. With exclusive products and the most dependable service in the industry, we create energy-efficient and healthy homes that they can enjoy for years to come.

With comprehensive home energy audits, we can diagnose issues within the building envelope and develop a custom plan. So, unlike most contractors, our energy solutions produce immediate results.

If your home is uncomfortable or has high energy bills, contact us today for a FREE, no-obligation service estimate!

Dr. Energy Saver is on a mission to help fix 100,000 uncomfortable homes by the year 2020.

Learn more

Affiliations

View All Associations

Dulles Area Association of Realtors
Dulles Area Association of Realtors
Air Conditioning Contractors of America
Air Conditioning Contractors of America
Better Business Bureau
Better Business Bureau
Bow Tie Strategies
Bow Tie Strategies
EBSCO Best Pick Reports
EBSCO Best Pick Reports
IAQA
IAQA
Loudoun Times-Mirror
Loudoun Times-Mirror
The Loudoun Homeowner.com
The Loudoun Homeowner.com
Greater Reston Chamber of Commerce
Greater Reston Chamber of Commerce
Top