Here we take a look at air sealing and advanced framing techniques that help reduce thermal by pass, reducing the heat loss on the home. Insulating & Air Sealing your home properly will reduce the size of your HVAC system when compared  to a code build home. Note that we used an air tight vapor open tape instead of foaming the opening around the window, and the pink board you see in the background is our continuous insulated sheathing that we use for this home.