Blue flame is a common name for convection and plaque heater is common for radiant heat. It isn’t that either of them give off moisture, but convection heat warms the actual air and radiant heats the moisture in the air.Click to see full answer. In this way, is radiant heat better than blue flame?Blue-flame heaters are ideal for insulated spaces, while infrared heaters work best in uninsulated areas. It’s important to keep in mind that vent-free heaters should only be used as supplemental sources of heat.Additionally, are blue flame heaters safe? The answer: Yes, if used properly, space heaters are perfectly safe. Often, they provide the most energy-efficient solution. In other situations, they’re not only inefficient, but dangerous. The professionals at Blue Flame Heating & Air Conditioning are here to explain the pros and cons. Also know, what is the difference between blue flame and red flame? In a flame the outer most layer or the blue flame is hotter than the Yellow or Red flame because a “complete combustion” takes place in the area.Which is better radiant or convection heater? Radiant heat: Radiant heat has a higher “flux” (watts output per metre per degree centigrade of the heater) than convection heating. You require less radiant heat for less time to do the job of more convected heat for more time; A Radiant heater directly heats objects in an environment, not the air in between.