I was searching this forum to see if anyone was having smoking issues with their inserts. We just had a Harman P35I insert installed and after the initial burn off period we smelled smoke. Because it was evening we went to the internet to see if we could find any answers. We didn't really find anything that was exactly what we had going on, so we shut the stove down and called the installer the next day. He came right out, pulled the stove insert out of the fireplace to check and make sure every thing was sealed as it should be. He couldn't find anything wrong. He said to give it a real hot burn for a couple of hours, and if not better in 12-24 let him know. The dealer said the same, so being pellet stove newbies we took them to know what they were talking about. After work last night, we once again fired it up. Instantly we could smell smoke coming from the combustion blower in front. The hotter the fire was, the less smoke, but it was still there, and we knew something was wrong. We couldn't see smoke, but we could smell it. Knowing that we didn't want a house full of smoke once again we shut it down, and called the dealer first thing this morning. He immediately came out. Walked into our house and said "Wow! You've got a leak". He called the installer who was in the area and too came right over. They had us start the stove and now you could visibly see smoke. Long story short, it appears we got a malfunctioning Harman P35I. It's currently sitting cold in our fireplace, and a new insert is on its way. It's 27degrees out right now and our poor tired, struggling, on it's last leg heat pump is chugging along trying to keep up. Sure hopes the new insert arrives soon. On the bright side, our house was warm and toasty, albeit smokey. ;-)