If you need to purchase a gas-burning forced-air furnace but aren't sure how they work, here's what you need to know.

Your furnace's job is keeping you warm. Get to know the parts of a furnace so it will do that job better and last a lot ...

Heat pumps run on electricity and furnaces run on fossil fuels, natural gas, propane, or oil. Our experts say there's no clear answer for which type is more energy efficient. Location plays a major ...

The type of furnace you have also contributes to its lifespan. "Gas and oil furnaces are way more sensitive to the lack of ...