I've had my insert for a few years now. Its a little undersized for my home, but the biggest thing is the fact that my chimney drafts like no other, reducing my burn times. Been thinking about upgrading, but until I do I want to fix the draft issue. Ive discussed this before, but I'm finally going to do it. There are two ways to combat this, install a flue damper, or add adjustments to the stove. And yes, i checked the gasket. Adding a flue damper will allow me to essentially lower the draft of the chimney, but i am afraid that it would lower the temperature of the flue gasses due to the restriction and in return increase creosote. Adding adjustments to the stove is the second idea. The Rockland has three air inlets, Primary, Secondary, Pilot. The only one that is adjustable is the primary. The pilot is two holes in the bottom front. I can adjust that by inserting screws into the holes. I usually burn with one blocked. The secondary air is an open hole located in the back of the stove. I was thinking about adding a sliding plate to adjust the size of the opening. it will require some experimentation to find the right settings, but very doable. Any adjustments will be reversible, meaning i can sell the stove as stock. The sliding plate allows me to I would like peoples thoughts on each idea. I think its best to do this on the front end, the stove.