Dr. Infrared Heater has been keeping millions of Americans warm for many years. These portable heavy-duty Salamander heaters are perfect for heating up construction sites factories workshops warehouses garages sheds barns and other spaces. The heater features an adjustable thermostat finned heating elements automatic reset fan-only function thermal cutoff switch and wheels for convenient transport and portability. Hard-wiring required needs a 6/4 SO type cord for connection. CSA listed.