DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.

Natural-vent fireplaces can also pull off classical elegance, such as this Keystone Deluxe model from Empire, or a more ...

Gas fireplaces, including inserts, can be direct-vent or ventless. Direct-vent systems are usually more expensive and less energy-efficient since heat escapes up the chimney. Unvented or vent-free ...