When it comes to updating your HVAC system, there are many different types of heating appliances. First, you need to decide if you are going to use a boiler or a furnace system. Then, you need to decide if you are going to use a gas powered, electric powered, or hybrid system. Each of these systems has their own set of drawbacks and advantages. This article focuses specifically on propane boilers, and explains why they are a smart and energy efficient choice.