https://jsfiddle.net/streetdrink37/pxnL9jvd/
https://konradsen-horn.federat....edjournals.com/16-fa
Modern Electric Patio Heater Many models have tip-over shutoffs to avoid accidents. The most effective models utilize infrared technology to warm objects as well as humans, rather than heating the air. Larger spaces require a greater Btu output, which is why dome-top and pyramid heaters are commonly seen in restaurants. They also have a high safety rating, but be sure to follow the manufacturer's