thermal heat
The type of heat transfer that travels through space in electromagnetic waves is called radiation.
Outdoor heaters heat well only to an area between 10 - 40 feet near the heater itself. It depends on location and type of heater you purchase. I recommend buying brand name heaters.
Convection.
conduction
Heat travels in theform of Infra red. It is an electromagnetic wave type
Sound travels through all matter.
Micathermic heaters are newer space heaters. It is a balance of convection and reflective heat that when mounted on a wall will heat a room significantly faster then traditional heaters. There are electric so may or may not be more cost effective but if that is not the issue it seems to be a good product. Many online reviews are favorable which is a lot to be said in this day and age.
Radiation is the type of heat transfer that can travel the furthest distance because it does not require a medium to carry the heat. Radiation can travel through the vacuum of space, which makes it capable of traveling long distances.
Heat travels through steel at a rate of approximately 1 inch per second. The speed can vary depending on factors such as the type of steel, thickness of the material, and temperature gradient.
Edenpure heaters use infrared heating to heat a space. This allows the unit to heat a small confined space or a very large open space based on the size of the machine.
The heat from the sun shining on the roof is radiant heat. This type of heat travels through electromagnetic waves and warms up the objects it comes into contact with, such as the roof of a building.
The different types of water heaters available in the market include tankless water heaters, storage tank water heaters, heat pump water heaters, and solar water heaters. Each type has its own advantages and considerations to keep in mind when choosing the right one for your home.