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 ...
Finland-based Metso Corp. has opened a direct-reduced iron (DRI) smelting furnace pilot facility in Pori, Finland. The company says the new facility will allow customer-specific pilot-scale testing to ...
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 ...
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