Bring the warmth you need to the indoors and outdoors when you use the Mr. Heater Forced Air 120V Electric Heater. Ideal for heating indoor and outdoor spaces up to 136 square feet, this heater boasts thermostat controls to supply up to 5100 BTUs of heat and features a portable design to encourage easy handling on the go. The vertical adjustment barrel allows for convenient use, while the low and high settings and the optional fan only setting help ensure versatile control.