As a result, temperature swings greater than two degrees are uncommon, and your home will heat up faster than it will with a one-stage furnace. Steadier Indoor Temperature: Two-stage furnaces work by constantly operating at a low power level, which means that less cool air is being pushed through the ducts in your home.Here is a list of the advantages associated with two-stage furnaces: There are a few advantages to having a two-stage furnace controlling your home. Up next, we’ll take a closer look at the pros and cons of two-stage furnaces. This central heating system may be the popular choice, but it is important to note both the advantages and disadvantages inherent in two-stage furnaces. Many contractors and homeowners have made the switch over to two-stage furnaces, citing functional and financial improvements. Now, let’s take a look at these differences between one-stage and two-stage furnaces by comparing and contrasting the pros and cons of each central heating system. Here is a list of some other areas in which one-stage and two-stage furnaces differ: These are differences that you’ll notice more frequently in your home. There are some more tangible differences in how a one-stage furnace runs vs. However, there is no evidence or statistic to back up this hypothesis. Some homeowners swear that two-stage furnaces break down faster than one-stage furnaces. One area in which one-stage furnaces and two-stage furnaces are quite similar is in their durability.Īs one-stage and two-stage furnaces are fairly similar systems, they tend to last around the same amount of time. This means that two-stage furnaces may save you more money over time on your utility bill. However, when looking at energy efficiency, two-stage furnaces tend to perform better.
These statistics were compiled from information provided on PickHVAC.Īs is evident from the table, one-stage furnaces are the cheaper option in regard to installation costs. Central Heating SystemĪFUE (Annual Fuel Utilization Efficiency)
Now, let’s take a look at how one-stage and two-stage furnaces compare against each other in reference to these three differences. Here is a list of some of the differences between one-stage and two-stage furnaces: One-stage and two-stage furnaces function slightly differently, but there are also a few other key differences. The Differences Between One-stage and Two-stage FurnacesĪs mentioned in the previous section, the major difference between one-stage and two-stage furnaces has to do with how the gas valve of each system functions.Īlthough this is the main functional difference between the two furnaces, there are plenty of other differences caused by this major difference.