I want a more efficient fireplace!?

Get a wood stove and place it in the fireplace. The only halfway efficient fireplaces are those with built in 'heat-a-lators'.

In a fire place when a foot of air goes up the chimeny then a foot of cold air is drawn in from the out side by Ibredd
Get a wood stove and place it in the fireplace. The only halfway efficient fireplaces are those with built in 'heat-a-lators'. by Heinz M