As a novice pellet stove user I am learning something new each year. I learned a few simple ways to improve my pellet stove (PDVC 25) and heat output thru this forum and the vendor. I had the baffle plate in the wrong location. My dumb mistake. Other models from the manufacturer have the baffle plat leaning above the door of the stove. For my model this isn't correct. I moved the baffle plate to be flush above the burn pot with some room between the wall and the plate and the amount of heat output seems to have improved quite a bit. I also had the room air fan cleaned as I hadn't been doing this during the yearly maintenance. After a few years it really needed cleaning. I don't know if the cleaning did improve the amount of fan output but it at least prevented a possible future issue as it needed cleaning badly. I haven't done this yet, however, I am going to clean the walls of the inside of the stove of the ash. This is supposed to improve radiant heat within the stove and produce more heat.