OK Maryland coal burners. Time to check that vent pipe, chimney, door gaskets, smoke and CO detectors. Repair or replace if needed. Most smoke detectors sensors are only reliable for 10 years and most co's for 5 years. Get your coal supply in order for the season. Long range weather forecast for our area says more than normal amount of snow, especially early in the winter. If you don't have T's in your vent pipe at horizontal runs, this is a good time to do so you can clean out the horizontals without shutting down.
Remember the girl scout motto. Be prepared.