This portable propane heater stands approximately 7 feet tall and provides heat within a 6-foot radius. The Patio Heater is widely regarded as one of the most reliable options available and is the top choice among event professionals. Patio heaters are ideal for outdoor gatherings and events. When using a full propane tank, the heater can operate continuously for about 4 to 6 hours. A 5-gallon propane tank is included.