Mr. Heater HERO 60,000 BTU Cordless Forced Air Heater - $229.99

From remote fields to your garage, Mr. Heaters patented, cordless, forced-air heater boasts up to 60,000-BTU of heating power, which warms up to 1,250 sq. ft. This versatile unit also runs on propane for up to 14 hours using a 20-lb. propane tank on low setting. Its Quiet Burner Technology yields 50% less noise than standard forced-air heaters. The internally rechargeable battery powers the heat for up to four hours on a single charge. A second battery (not included) can be added to extend the electrical run time up to eight hours. Runs while plugged in and charging. Recharges in three hours or six hours using two batteries. Electronic ignition. Includes a 10-ft. propane hose and regulator.ETL certified. Recommended for use in well-ventilated areas. Type: Heaters. - $229.99