Just an update for anyone interested in the Tundra 2. My thoughts so far after about a month of moderate use is that this is a great unit. Very even heat distribution and efficient wood consumption. Even the rooms on the opposite end of my house are heated equally. I have a thermostat connected on the main floor. Anyone familiar with wood units know it's difficult to control the heat output once they get burning. I typically turn up the thermostat up when lighting or adding wood. After 5 minutes or so I turn it back down to close the damper and let it burn steady. The nights are getting frosty here now in Eastern Canada, and this unit is keeping my house at a toasty 25-27 celcius burning seasoned fir, spruce, birch mixture.