HONEY BROOK, Pa. — Clean Energy Heating Systems, a designer and manufacturer of waste oil furnaces, announced that it is now offering a Wi-Fi thermostat that is compatible with its entire line of ...

Waste-oil furnaces are becoming a win-win situation for manufacturers and customers in southeastern Pennsylvania. The specially-made furnaces burn used oil that is generated at businesses such as auto ...

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, ...

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. To view our latest eEdition, click the ...

In the research and development area of Rock Energy Systems’ plant in Janesville, company CEO Barry Brandt watched a blowtorch-like orange flame through a porthole on one of the large waste ...