This high-output 350,000 BTU portable heater delivers powerful heating performance with the flexibility of dual fuel operation, running on either natural gas or propane. Designed for maximum efficiency with 99.9% fuel combustion, this unit provides clean, reliable heat while minimizing fuel consumption. The versatile design includes a 10-foot power cord and thermostat compatibility for precise temperature control, making it ideal for construction sites, warehouses, and other large spaces requiring temporary or emergency heating solutions.