Amazon.com: Comfort Zone CZ8008 1,500-Watt Electric Oil-Filled Radiant Radiator Heater, Permanently Sealed, Never Refill, Adjustable Thermostat, Stay-Cool Handle, Tip-Over Switch & Overheat Protection System : Home & Kitchen
Amazon.com: GASLAND MHA18B Propane Heater, 18,000 BTU Warm Area up to 450 sq. ft, Portable LP Gas Heater for Garages, Workshops and Construction Sites, Ultra Quiet Propane Radiant heater with LP Regulator
Mr. Heater Portable Buddy 9,000 BTU Radiant Propane Space Heater F232000 - The Home Depot
Optimus H-5511 Portable Indoor Electric Infrared Quartz Radiant Space Heater - Walmart.com