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 ...

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 ...

I read with interest and some concern the letter from Mary Hammersmith in the February/March 2004 issue regarding the waste oil heater from the September/October 1978 issue. I helped build that heater ...

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 ...