I think he means if you have a 2k sqft house you want a firebox of “x” size.
OP, no, there is no good guild line like that because it depends on your heat loss of the house , efficiency of your stove, and the quality/dryness of your wood.
that is why I said bigger isn’t usually a problem. Now if you go up to an 8” pipe then you could over size the stove with some of those monsters out there.
Since you are just starting your wood pile you won’t have good wood. Buy a moisture meter and test the wood.
Im starting to realize it’s a balancing act with the stove, just like everything else in life lol.
My timing for this sucks so I’ll be laying a bit of a premium for a cord or two of wood for this winter, I’ll dry what I have over this coming summer.
It’s going to cost but at least I have it to spend.