That is a nice fire place. Looks like its very thick and you won't have to worry about replacing it for years to come. I lived for years in a place with a wood stove and in another place that had a coal furnance. My advice to you is whatever wood you think you need for the winter/ make sure you have double the supply because if this is the first time you have had a fireplace for your main heat you might underestimate how much wood is burned in a 24 hour period. Trust me, you don't want to run out of firewood. On the flip side to that, whatever you don't use this winter you can use the following winter.