Task 1 - Air leaks and heat loss in houses
The figure describes how the air leaks can circulate into the house and goes out which cause loss heat and waste the energy. On the other hand, there is much air leaking occurred in every room and a significant amount of heat energy become useless.
Regarding to the air enter the house, there are many spaces like windows and doors as places air comes to the home. They spread into most of the scopes. In the basement, air passes crawl area and dryer vent. Outside air enters the bathroom and kitchen also window in the middle room.
Air leaking out the cottage from several rooms like the bathroom and other rooms. The air throughout two recessed lights and it is followed to the attic hatch. Then, the air turning around and it passes roof top. Main point, it happens changing of input and output air particularly in the first floor.