Furnace efficiency ratings can be found in all the major publications, but they are not always easy to interpret or find. It is not enough to have the best heating system on the market. Even if it has the best heating system, it still needs the right tools to make it work at its best. The way you would know the furnace efficiency ratings would depend on the furnace, the manufacturer and the heating system. But before you start shopping for a new furnace, it is always best to know the basic information about each of these components.
General furnace efficiency ratings are based on the amount of fuel that is used and the heat output that the furnace can produce in a given time. It is said that the fuel efficiency is the percentage of fuel used in the furnace that can actually be consumed by the heater. There are some other units that help calculate the efficiency of a furnace, such as watt-hours, fuel efficiency and expenditure. These ratings can be based on the heat produced or how long it takes to get the hot air out of the heater, while the usage or expenditure is the amount of money that the homeowner or renter spends on heating. While these units differ in certain ways, they all work to give the same kind of information.