Pellet stoves have been in use since the 1980's and have a proven track record of providing a very clean, safe method of home heating.
However, precautions must be taken with pellet stoves, as with any appliance in the home.  Every time before pressing “ON” to start your unit – Be sure to remove all ashes (burnt or partially burnt) from your burn pot area.  Wearing protective gloves and with the unit cool, remove the Wear Plate (if your unit is equipped with one) and dump the ashes, ensuring that the air holes are clear from debris.  If your unit does not have a Wear Plate, remove the burn pot and dump the ashes, following the instructions in your owner's manual.
Also be sure to follow all other maintenance instructions as outlined in your Owner’s Manual and the steps listed in your stove model's YouTube playlist.  Failure to remove ashes from this area before each burn can potentially cause smoke-back and serious damage to your stove, and can void your warranty.  We will not be held responsible for poorly maintained units, including excess ash in the burn pot area.  Burn Safe and Burn Clean – Clean the burn pot area daily!