What Is a Two-Stage Furnace and How Does It Work?
Pennsylvania winters have a personality of their own. One week, temperatures feel manageable with a light jacket and a cup of coffee. The next, the wind whips down the street like it has a mission, and suddenly, your home feels colder than it should. When the weather swings from mildly chilly to bitterly cold, your heating system has to keep up, and the type of furnace you have can make a noticeable difference in comfort, energy use, and overall efficiency. That is where two-stage furnaces come into the conversation. Many homeowners have heard the term before, especially while researching new...
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