Renovations Lenius and Osborn are experienced in electrical renovations. We specialize in knob and tube removal and electrical system updating. Our powersmart retrofits can help you save energy and money. We will work with you to meet your renovation needs. Contact us today to discuss your project.Lenius & Osborn Electric have hundreds of happy customers who have been provided with a job on time and under budget and we want to add you to our ever growing list of references. Whether it's prior to selling your home, wanting to update, make safer or you just want to know if your home contains knob and tube, contact us for a free written budget estimate.