A building may have a boiler or a furnace. A furnace heats air and then a blower forces the air into the duct system throughout the building. A boiler heats water, and then the heat is transmitted to radiators and heating outlets via piping. Both require electricity, making efficiency important when considering which to purchase. High efficiency boilers are not as common as high efficiency furnaces; however, they are becoming more popular. High efficiency boilers are the future, and here are a few reasons why. Continue reading