Alexandria, VA's Go-To Home Insulation Contractor!

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Your local home insulation company in Alexandria, VA is Comfenergy

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A Free Estimate!

Do some rooms in your home feel too hot or too cold? Are you paying more than you should for heating and cooling utilities? It’s surprising how small improvements can make a big difference in your home's (and wallet's) comfort potential. Contact your local Dr. Energy Saver home energy contractor for a FREE estimate today!

Home Energy Audits   

We help you have a more comfortable, energy-efficient home with a comprehensive home energy audit. After the inspection, we walk through your Alexandria home with you showing you areas to improve and how to improve them.

Evaluations Include:
  • Air Leak Inspection 
  • Thermal Scanning
  • Detailed Explanation    

  • Blower Door (Infiltrometer) Test
  • Insulation Level Check
  • Appliance & Lighting Checks

Insulating Your Alexandria, VA's Home

Our air sealing and insulation specialists have the skill and expertise to keep your home warm in the winter and cool in the summer by correctly installing the best insulation for your situation.

Types of Insulation
  • Spray Foam
  • Blown-in
  • Blown-in Cellulose       
  • Rigid Foam
  • Radiant Barrier  
  • Sealing Air Leaks
  • Air Duct Sealing            
Areas of Home
  • Attics
  • Basements
  • Crawl Spaces
  • Garages
  • Walls

HVAC Services

Is your home too hot or cold? Our expert HVAC team will quickly repair your 
system, and if a new unit is needed we can professionally and efficiently 
install a new energy-efficient system.

  • Gas Furnace
  • Oil Burners
  • Electric Furnaces
  • Heat Pumps
  • Forced Air Heaters
  • Gas Boilers
  • Oil Boilers
  • Hot Water Heater
  • Tankless Water Heaters 
  • Central Air Conditioning
  • Ductless Air Conditioning
  • AC Repair & Installation
  • Heat Pumps
  • Ductwork Cleaning
  • Ductwork Sealing 
  • Ductwork Repair

Why Alexandria, VA Homeowners Trust Us   

  • Exclusive, Proprietary Insulation Products
  • All Contractors Trained at Dr. Energy Saver's State-of-the-Art "Energy City"
  • Financing Options Available- Check With Your Local Contractor

Get Your Free Estimate


Service Area Zip Codes:


Recent job requests for Dr. Energy Saver in Alexandria, VA:

Project Location: Alexandria, VA 22311

Comment: Looking to replace attic insulation as was recommended that we use boric acid treated insulation. Interested in receiving a quote for this service if it is something you offer.

Project Location: Alexandria, VA 22310

Comment: Seeking energy assessment in my condo to determine if there are leaks in windows/ doors or poor wall insulation.

Project Location: Alexandria, VA 22309

Comment: Our sunroom doors are leaking air inside. Keeps the room very cold as a result

Project Location: Alexandria, VA 22304

Comment: Hello! Old attic insulation needs to be removed and replaced, and identifying/remediating any leaks. Thank you!

Project Location: Alexandria, VA 22309

Comment: Need an estimate for drill and fill wall insulation

Project Location: Alexandria, VA 22314

Comment: I have some humidity issues in my home and condensation forming in my attic on inside of roof hatch and vent pipes. Would like solutions to reduce humidity and condensation issues

Project Location: Alexandria, VA 22311

Comment: I get cold and heat drifters from a basement room. I want to seal it and possible to reduce the noise from this the room.

Project Location: Alexandria, VA 22315

Comment: Duct sealing

Project Location: Alexandria, VA 22315

Comment: I want to check if the windows in my Condon and the patio sliding doors needs to be replaced or needs a repair? I can feel air draft coming from some of them.

Project Location: Alexandria, VA 22309

Comment: Gaps in windows and doorways and house will not stay warm

Project Location: Alexandria, VA 22304

Comment: Requesting a home insulation inspection/consultation for my townhome (end unit, split level, 4-floor). Foyer, basement, and 4th floor are all finished/closed walls (drywall), but extremely cold. Interested in airsealing and reinsulating.

Project Location: Alexandria, VA 22301

Comment: Ducts need to be sealed as I can feel air leaking out before it gets to the register. Also, we have very uneven flow of air from the first floor to the second floor.

Project Location: Alexandria, VA 22304

Comment: Sweaty ducts Attic fan always on is summer

Project Location: Alexandria, VA 22315

Comment: Hot attic and old insulation. Currently upstairs where bedrooms are is very warm. And have to keep lower levels too cold so upstairs is comfortable. Also have an issue where ducts work is sweating between the first and second level, not sure why.

Project Location: Alexandria, VA 22306

Comment: We purchased our house last year and have really enjoyed it for the most part. We noticed last summer that our bedroom on the second floor (two story cape cod style hose) really struggled to get cold air, and it is the same this summer. It is the typical hottest room in the summer and coldest room in the winter. I have a feeling that it is due to poor insulation in an older house. The HVAC system is decent, but it just doesn't quite cool off our bedroom. I would like to get an estimate to see what our options are. Thank you.

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