Shopping for a furnace? Let us help you narrow the field with an overview of the best furnace brands for energy efficiency.

Shopping for a gas furnace? Read about types, features, and other must-know topics in our gas furnace buying guide to make an ...

Heat pumps and furnaces are both popular options for heating homes, but which is right for you depends on your area's climate and your preferences.

Advocates say stricter efficiency rules can be met with proven, energy-saving technologies. The gas industry says the rules ban non-condensing furnaces and other products.