Monessen Hearth Systems stocks more than 28,000 items and has 280,000 square feet of manufacturing space. Monessen Hearth Systems is a leading full-line supplier of hearth products to the hearth, propane and residential new construction markets. Under its four brands, Monessen offers a complete line up of direct vent, B vent free and wood burning products. Its four brands include Martin Hearth & Heating, Monessen, Lexington Forge and Ambient Technologies. Products range from economy builder boxes to premium grade fireplace systems. Monessen burns and leak tests all of its products to ensure trouble free operation. The company has been in business since 1993 and is located in Paris, Ky.