Oct. 10—JANESVILLE — A Janesville-born company that for years has been the nation's biggest player in waste-oil-burning furnaces is now owned by a St. Louis private equity firm. Rock Energy Systems, ...
Thomas & Betts’ HVAC Division (Reznor), Memphis, Tenn., has announced the addition of Models RA-250 and RAD-250 waste oil heaters to the company’s line of products specifically designed for recycling ...