A Guide To Furnace Stages: What They Are And Why They Are Important
When looking at replacement furnaces, you will likely be introduced to the idea of stages. There are three main options to choose from, depending on your budget and heating needs.
Single Stage
The most basic central heating system you can put in is likely the single stage furnace. These furnaces come with two operation options — on or off. When on, the furnace is operating at 100 percent of its available capacity.