How is the summer or winter in the place where you live? Heaters are a must in countries or states where the temperatures in winter are low. You might try to do without them, but you will end up being tired and exhausted because of low temperature. You are also very likely to end up being sick. There is nothing more enjoyable during a cold and windy winter day than a warm breeze of air, whether it is coming from a heater or an outdoor wood furnace. Outdoor furnaces also help maintain your air warm. They also get rid of annoying humidity that plagues many regions that are situated near the sea. What makes outdoor furnaces such a good solution is the fact that they are cost effective and easy to maintain. They will never take space in your house, because they are installed outside of your house. You will not have to dedicate a designated area for your furnace. As long as you have some space outdoors, everything is ok.