On a winter's evening, there's nothing like sitting next to the cozy warmth of a crackling blaze in your fireplace. But what happens when the flames die away? Since cold air moves downward, your open ...

A fireplace can be an asset in a home, even if it hasn't hosted a roaring blaze in decades. Inactive fireplaces supply charm, rather than warmth. But as lovely as they are, chimneys -- both inactive ...