Before & After Photos

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Spray Foam in Attic-Fairfax Station, VA

The homeowner of this Fairfax Station historic home was looking for a way to lower their utility bills. The Comfenergy comfort and energy consultant provided a great solution that would lower utility bills all year round, and provide a great storage space in the attic!!  

Dumfries VA Duct Spray Foam Duct Insulation

This Dumfries VA home had condensation along the HVAC ducts (duct sweating) due to external heat making its way into the home via uninsulated rim joists on the side of the house.  Hot air from outside was working against the cold air moving through the HVAC ducts and causing the duct sweating which was showing itself as water spots on the basement ceiling drywall and mold.  Our production team encapsulated the duct with spray foam and then administered Aero Seal to the inside of the system to eliminate the opportunity for conditioned air to escape.  This process will stop the duct sweating and keep the conditioned air inside of the HVAC duct from experiencing any external temperature influence.  The air will reach the rooms it is intended to cool or heat and reduce the need for the HVAC system to work as hard as it had been. Improved comfort and reduced energy cost for the homeowner.  

Dumfries VA spray Foam HVAC Duct Interchange

This Dumfries VA home was having comfort issues that the homeowner wanted to eliminate. They called us to come and help.  Our Home Performance Sales Pro Carl completed a no cost inspection of the whole home and identified a need for some work to be done in the attic which would help improve the comfort and energy efficiency of the home.  In addition to air sealing and installation of new Tru Soft cellulose insulation, Carl recommended having the HVAC duct sealed with spray foam at different points where joints and exchange boxes were allowing conditioned air to escape.  

Air Sealing Light Fixture-Dumfries, VA

Here is a before/after of a light fixture being air sealed in the attic of a home in Dumfries, VA.

Vienna Virginia HVAC Ducts Spray Foam

An unprotected HVAC duct system can leave you with an uncomfortable home and higher energy bills than you should have.  Conditioned air, heated or cooled by the HVAC system is intended to pass through HVAC ducts to get to the different rooms in a home.  If the temperature in an attic is 125 degrees in the summer, the cold air trying to move through the HVAC duct is in a hostile environment.  Same idea in the winter.  If it is 25 degrees in an attic, the 74 degree heated air trying to pass through the HVAC ducts is fighting to stay warm.  Insulating ducts with spray foam helps protect that air and eliminates air leakage at joints and turns in the duct system.  The insulation wrap that had been used to try and protect this duct systems was eaten through by rodents and had multiple holes and tears.  

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