National Sales and Expert Support for L&L Kilns. On-Site Service and Repairs for any electric kilns in the Northwest US. We diagnose and help you repair your L&L Kiln over the phone or email, anywhere in the world. There are many other applications for L&L Kilns besides for pottery or glass. Heat treating steel, or burning out organic binders, or casting special composites are just some of the other applications electric kilns can be used for.