Thank you Leisure Line, 23 Outside 76 Inside

Well, I was a little hesitant about whether or not the little Econo 1 from Leisure Line would carry this house when it got cold. This morning it's 23 outside with 76 in the living room, 72 upstairs in the bedroom, and 68 in the kitchen which is the farthest room from the stove. The stove is at about 50% with stove temp at 425 measured by a magnetic thermometer on the stove skin directly above the top door. The stove pipe is about 175 right at the entrance to the thimble. My doubts have van…