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 ...

Creating a list of reputable contractors is the first thing you, a homeowner who's planning for a new furnace installation, should do to avoid overpaying for your project. Just as crucial is to ensure ...

Gas furnaces with 90 percent or higher efficiency ratings cost more money -- generally about $800 to $1,500 -- to buy and install, compared to those with 80 percent efficiency ratings. But the ...