What is low intensity and high intensity heaters?
This can be a common source of confusion. A low intensity heater is a tube heater, ranging in size from 10ft -70ft long, and typically vented to the outdoors. Low intensity heaters range in tube temperatures of 350-1000 degrees Fahrenheit. A high intensity heater, or ceramic style heater, is small in nature, approx. 2ft square (+ -) in size. The surface temperature is far greater at 1750 degrees Fahrenheit, producing an open, visible glowing surface. High intensity heaters are unvented, and sometimes the building is vented from flue gases via a separate mechanical exhaust fan located within the building. Note that Infra-red heaters are often called “radiant” heaters. Low intensity tube heaters do not glow, high intensity heaters do glow.