jerplay wrote:The room is similar to a basement as about 6 feet of the walls are under ground. It has 12 foot ceilings. It has concrete block walls.
You have several things working against you.
1. Concrete block walls (uninsulated?)...that is a huge amount of mass to heat up.
2. 12' ceilings...if the ceiling is uninsulated that is even worse.
I used to heat a large house with a coal stove in the basement. If we went away on a trip and let the stove go out, it took almost 2 days to get the basement and everything back up to temperature. It's like trying to get a freight train up to speed...lots of mass to get moving.
Try letting the stove keep the room at 65 or so and use the oil unit to blast it up to 70 before Church. A ceiling fan might help move the heat around.