Advance Kilns & Supplies manufactures custom industrial mining kilns exclusively to the mining industry, which are used in their assaying analysis. We also have electric fusion furnaces for multiple pot analysis. Our small electric lab furnaces are are used in the dental industry scientific labs who usually require an inert gas purge feature. The kilns/furnaces are 25%-30% energy efficient because of the 1" insulation and 3" firebrick, all top quality electrical components is incorporated in their construction. This enhances life expectancy and probelm free operation. Also have electric pottery/glass/ceramic kilns which are energy efficient and long lasting.