Direct-vents go through walls or up through the roof. Vent-free fireplaces require no external venting and are 100% efficient. B-vents vent

EPA certified fireplaces produce lower pollution particles per million BTU's of heat output. These fireplaces, therefore, save you money

Wood, gas, or electricity? Type of vent? Modern or traditional? How old is your home? How big is it? What rooms do you want to heat? How of

Inspect fireplaces annually. Watch for smoke buildup—dark smoke means inefficient burning. Burn softwood to start, then switch to hardwood.