Heatstar 10,000 btu series warms up to the perfect temperature in seconds. Ideal for homes, offices and other spaces, this natural gas vent free heater is equipped with a multi-output valve for easy temperature regulation, short circuit protection and a convenient Piezo ignition built right into the rotation of the knob. This unit can be permanently mounted to the wall or securely fastened to the floor as well as mounting brackets and fasteners included. A clean-burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air. With a factory standard Oxygen Depletion Sensor (ODS) rest assured this heater will provide you with years of comfortable and safe heat.