Another survey--do you heat 24/7, 100% with your wood heating stove or OWB ? Or, the delta difference "up from" the central furnace set at say 65 F ? And, what is your wood heater....how do you like it ? Inconvenient truth about us : Two wood stoves in two 'wings heating 24/7, maybe 99 % of the heat. One part of the house has a thru-the-wall LP space heater. The other wing a row of electric, hydronic, oil-filled baseboard heaters installed just last Fall for our elder status, just in case. ( We didn't like the air blown heat of mini splits and the $$$ ). Total cords ( real ones ) used is ~ 6-8 cords harvested from the woodlot each year ( Red/Soft Maple, Paper/White Birch, White Ash ). The Birch is scored thru the bark before butt stacking for Spring splitting. What do you have ?