Empire Vent-Free Fireplace by White Mountain Hearth. Not enough can be said about this company. They are the most innovated company in the industry when it comes to ventless products. Offering the best quality, selection and look. Vent-Free Fireplaces like the name implied, these units are designed to operate without venting to the outside. They can be installed up against a wall as long as you can get a gas line to it, or may even be fitted into a wall recess. These models draw room air for combustion and convert it to warm air that is delivered to the room. Since there are no drafts, these models are considered high efficient, burning at an efficiency rate of 99.9 percent.
Ventfree fireplaces there are debates as to the air quality generated by them . While their literature states that these units exceed all guidelines for indoor air quality by the EPA, there are those who insist that fresh air must be exchanged to compensate for the room air used in combustion. Exterior ducts and improved ventilation may be required in some cases.
