The Charles Machine Works Inc. upgrades its campus with geothermal system

The Charles Machine Works Inc. upgrades its campus with geothermal system

“As a company, we’ve made a living out of serving the underground construction industry, and to stay on top of the latest trends and understand the newest innovations, we figure there isn’t a better way than to install them at our own facilities,” says Tony Guinn, plant engineer for CMW.  According to Guinn, he and others at the company initially familiarized themselves with geothermal system concepts via relationships with nearby Oklahoma State University, where the International Ground Source Heat Pump Association (IGHSPA) is headquartered.

In the late 1940s, 28-year-old Ed Malzahn applied a combination of knowledge from his father’s blacksmith business and his degree in mechanical engineering to produce a machine that would revolutionize the underground construction industry as we know it today.

At the time, Mazlahn was paving the way for compact trenchers that now efficiently install water, sewer and gas lines, telecommunications, CATV and fiber optic cables. Malzahn’s original Ditch Witch Power, the first in a l

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