Stephen Eldridge
Contributor
Stephen Eldridge is a writer and editor of fiction and nonfiction for all ages. He has authored nonfiction books for children on a variety of subjects, including forensic science, electromagnetic radiation, and American history. He lives in Chicago, Illinois, with his wife, Ali, and daughter, Lucy.
Primary Contributions (59)
HVAC, mechanical system used to control the temperature, humidity, and movement of air throughout a building or other indoor space. HVAC systems are used extensively in homes and businesses for comfort as well as safety from extreme weather or the effects of poor air circulation. They are also…
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