At the bottom of the stairs to the basement you will find a cast iron puppy dog door stop. This little guy is not only super cute, but is also a very important part of keeping the cabin comfortable in the winter. The furnace heats the basement and the warmth travels up the stairs to warm the rest of the cabin. If the basement door is closed the heat doesn't get up the stairs. When this happens, the main floor (where the heat sensor is located) stays cold and the furnace can run 24/7, but will only make the basement heat up while the upper two floors of the cabin stay cold. By keeping the basement door open, the heat rises up the stairs and keeps the upper floors warm and cozy. If it is cold upstairs, head to the basement and make sure this little pup is holding the door open!