Serving all of North Texas
Looking at this photo, the naked eye can not detect the amount of heat transfer taking place at this storm door.
The warm tones in this photo represent the penetration of heat coming into the air conditioned space.
The naked eye can not detect the moisture intrusion.
The cool tones in this photo are of moisture penetration in an interior wall space. Moisture tends to reveal itself in a rounded pattern, such as you see here.