Anyone worth his fireplace poker knows to close the fireplace damper once the embers cool. Otherwise, warm air escapes up the chimney and cool air slides in. But did you know that dampers often warp ...

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 ...

WHEN A POWER PLANT has multiple units sharing a common chimney/stack, care must be taken in isolating a unit when taking it offline. Although plants have isolation dampers to isolate operating units ...