If you have a newer EPA-rated woodstove, you might have a catalytic combuster in there somewhere. Make sure to check the owner's manual about cleaning it - and stick to the schedule. Combusters should last 5 or 6 years, but a clogged or dirty one will fail rather quickly.
For a ceiling fan to move the right amount of air, its blades should be set at a 14 degree angle. Blades set at a 10 degree angle will simply slice the air, while blades at a 20-degree angle will meet so much resistance that the motor may burn out.