TN GAS LLC is the area's only propane/welding supply company that offers a full line of appliances and installation. We offer vent free logs, wall heaters, fire boxes, dryers, water heaters, and grills. TN GAS LLC is a company that offers a turn key package...one visit and our customers can sign up for their tank and propane supply and purchase their appliances all in one stop. All installed by one company. Our White Mountain Hearth vent free logs are MADE IN THE USA.