It depends. A heat pump is probably more efficient if you're going to heat the entire house evenly; if you only want it warm in one room, a room heater may be better.
Baseboard heaters depends on convection currents in air to move heat around a room.
A fan.
To reflect heat back into the room.
To reflect the heat into the room.
Room heaters have polished reflectors because bright, polished reflectors reflect heat more efficiently and hence more heat is generated in front of the heater, at the same time since they.
Radiant heaters heat objects nearby them such as furniture and are usually cheaper. Regular convection heaters actually heat the air temp in the room.
Baseboard electric heaters are placed on the outer walls of a room in order to radiate heat towards the center of the room. They also heat up the outer walls of which usually are cooler than the inner walls.
The Honeywell small-room space heaters are around $30, and an excellent value. They can heat up a small bedroom very quickly.
room heaters have polished surface
Bright, polished surfaces reflect heat more efficiently.
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.
To heat a room to 135 degrees, a person would probably need several industrial heaters. However, heating a room up to this temperature could be incredibly dangerous as it can damage senstive technology and could be harmful to a person's health if they stay in the room for too long.To heat a room you can use a heater, fire or candles. To achieve the heat of 135 degrees a sauna might be the best room to use the steam and heat of a sauna can reach those temperatures.