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 ...

Natural gas is one of the most economical sources of energy for home heating. That’s why, according to the Natural Gas Supply ...

How did something as simple as how we heat our homes become so fractured — and what will that mean as the country struggles to move away from fossil fuels? The country’s map of home heating shows that ...