https://www.goforgreenuk.com/airvent-3kw-outdoor-radiant-heater-497948-hw938
3kW. Hardwired,18-36m² heating area Powerful and effective, the 497948 Airvent 3kW outdoor radiant heater is a great choice for opening up outdoor spaces....
radiant heateroutdoorgogreen
https://www.midea.com/us/store/heaters/midea-radiant-quartz-space-heater-white.msh20q3awwv
Enjoy personalized comfort with 3 heat settings that provide instant, even, and targeted heating. The adjustable thermostat allows for easy temperature changes...
space heatermidearadiantquartzwhite
https://www.instructables.com/Tea-Light-Radiant-Space-Heater/
Tea Light Radiant Space Heater: This is a simple space heater; and as the name implies, the heat source is a tea light candle. This is going into my camper, so...
tea lightspace heaterradiantstepsinstructables