- No energy is wasted by heating up the air.
- Infrared is immediately available when you switch it on.
- You can also focus or direct the heat.
Infrared energy is transported using Radiation. It is the most effective manner in which to transport energy since you don't lose any of the energy.
Infrared lies just under the visible light range beyond the "Red" end of the visible light spectrum. These wavelengths are longer ("infra") than waves in the visible light spectrum. The longest of these wavelengths is Red. Hence the name "infra red". Even longer-wavelengths in the Infrared Spectrum are called "Far Infrared", which therefore also explains why you may hear this term.