{TAIL ~ Heated air} can flow by natural convection or with blower assistance through a plenum in the solar heating wall panel to and from {HEAD ~ connected ducting} 
{ TAIL ~ Heated air } can flow by natural convection or with blower assistance through a plenum in the solar heating wall panel to and from { HEAD ~ connected ducting }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD