ABOUT GREEN ENERGY WOOD PELLETS FOR HEATING

I am leaning in the direction of a pellet stove since I already burn off pellets in my basement. Also a woodstove would require quite a bit of piping and would have to be Situated near the middle of the garage to vent out from the roof above the ridge. I'm scheduling on purchasing a used pellet stove ideally all around 40,000 BTU's.I suppose to was