Cold air coming through cracks and crevices in a window will lower the temperature of a room and make your walls cold.
													
																	Cold air coming through walls. 
									
	
		
	
																	Without them you have a large hole that is constantly letting cold air enter your home. 
																	The warm air then rises into the attic a process called the stack effect. 
																	With cold air inside the wall and warm air on each side in the house heat moves through the drywall which has a low r value and warms up the air in the cavity. 
																	Using an infrared sensor we discovered that a lot of the cold air was being drawn in through. 
															
													
									
	
		
	
																	Big enough for two couches the room has two walls of windows 15 foot ceilings and a fireplace. 
																	Cover your windows with thermal draperies. 
																	Most people notice this in the winter when cold air blows through a wall outlet on an exterior wall. 
																	Put up pictures or a mirror on exterior walls doing so can help insulate walls from the outside air. 
															
													
									
	
		
	
																	Or in the summer when the hot 100 f air finds its way into your cool inside living space. 
																	You can expect higher heating and cooling bills if you have a lot of air infiltrating into your home. 
																	Owning a home has many rewards but it also involves its share of demand.