The Dyna-Glo Radiant Heater generates 360 degrees of instant heat for construction sites, industrial workspaces, agricultural buildings, and other ventilated spaces. Rated at 125,000 BTUs, Heats a maximum of 2,900 square feet. It does not require electricity, and it is fueled by a 100-pound liquid propane (LP) tank (not included) or larger. 100 pound tank run time is 17.6 hours at 125,000 BTUs. This unit is easy to ignite with a push and turn piezo ignition and 3 variable heat settings, and it is fully portable and easy to transport between sites. This includes a shut-off safety valve that stops the gas flow, if the flame is extinguished, keeping the user and the project safe. This heater also includes a 10 ft. hose and regulator. This product is CSA approved and meets all applicable standards, which cover important safety and quality requirements.