Furnace Articles

What Is a Two-Stage Heating System?

October 15, 2026

If you plan to replace your heating system anytime soon, be prepared to face a dizzying array of options. You will decide how energy-efficient your new equipment should be, and determine if you prefer standard or smart features. Another crucial decision involves the output level—or stage—at which your unit operates. Choosing the right system is…

How Does My Gas Furnace Work?

September 30, 2026

On a frosty winter’s day here your gas furnace is hard at work, keeping your home warm and cozy. Feeling grateful? You’re not alone—it is one of the most popular forms of heating, as American as apple pie. In 1919, New Jersey inventor Alice H. Parker filed a patent for the first gas-fueled furnace.…