Hey there, my wife and I just recently purchased a jotul 350 winterport insert for existing masonry fireplace. I did all the proper things for the Breakin process. Drafting nicely and the stove even cranks when we getting going for a while. For some reason if our thermometer reads 58 when we start, I can't get the room past 60 degrees no matter how long we have been burning on a cold night. My installer said it was installed properly as well as a second opinion chimney service came and said nothing is wrong. I have wood that roughly 8 -10 monts old as well. What am I doing wrong any ideas or advice to help me heat my home with this insert? The stove heats up to 1300 sqft and my living space is only 1248. I'm stumped.