Patent ID: 8221200
Filing Date: 2012-07-17
Classification: E04D,F24F,F24S,Y02A,Y02B,Y02E

Abstract:
1. A roof assembly for a building, comprising: a roof; a roof space in heat exchange relationship with at least a section of the roof; a chamber device positioned on the roof, the chamber device including one or more first openings configured to allow airflow from within the roof space to outside the building to cool the building and one or more second openings configured to allow airflow from within the roof space to a living space of the building to heat the living space or cool the living space depending on temperatures inside and outside of the building, wherein the one or more first and second openings are selectively openable and closeable to control airflow through at least one opened openings; and a plurality of fans in the chamber device for selectively causing airflow within the roof space to the one or more first and second openings, wherein at least one of the plurality of fans is a solar-powered fan.