Abstract: A wall and roof venting system comprising a wall having an outer layer disposed outwardly of an inner layer with a plurality of spacers disposed therebetween to provide a wall air flow channel between the wall layers. Exterior air enters at the bottom of the wall and vented air is discharged near the top of the wall to reduce heat transfer into the building. Preferably, vented air flows into a roof air flow channel disposed between a first roof layer and a second roof layer maintained in spaced apart relation by a plurality of roof spacers therebetween. A vent component is disposed in a gap in the upper roof layer at or near the top end of the roof to beneficially disperse and/or utilize the vented air from the air flow channels. The wall and roof spacers have openings therein to permit vented air to flow through the respective channels.