Propane Furnace - Version V1 Propane furnace is energy efficient and cost effective. This is probably the best time to consider switching over. It is one of the best options that offer easy maintenance and consistent performance. If you have an old furnace at your home, upgrade it with new propane furnace, you will be able to see a vast difference in energy consumption and in performance. Propane furnace helps you to save hundreds of dollars every month. These furnaces are less expensive in the long run. Propane gas is used as fuel to heat up homes by more then 5.6 million households, according to the research conducted by the Federal Energy Information Agency.Many changes are seen around the world of furnaces in the recent years. Propane furnaces have gained popularity in the recent past. It is one of the best options for energy efficient home, as they are about 92 to 94% efficient. This furnace is reasonably priced and its operating cost is also less when compared to electric or wood furnace. Propane furnace provides