Modern high-efficiency gas furnaces can convert almost 100% ... That isn’t true of high-efficiency furnaces, also known as condensing furnaces. “Modern high-efficiency condensing furnaces ...

"Eliminating all non-condensing natural gas furnaces will only serve to further hurt families who are already struggling to get by." But Biden argues that the standards will save people money as ...

We are in the middle of that weird time of year when we might run the furnace for ... the air that includes a gas-fired heating unit inside the home and an electric condensing unit outside the ...