One often-neglected appliance is the furnace--out of sight and out of mind until the cooler months of the year. But beware, a malfunctioning furnace can be dangerous. Here are the basics for keeping ...

When you replace an old, inefficient natural gas furnace with a newer model, you’ll save a lot of money. But you will also change your indoor climate, which can take some getting used to. For some ...

When you replace an old, inefficient natural gas furnace with a newer model, you’ll save a lot of money, but you’ll also change your indoor climate, which can take some getting used to. Today we ...