A person who studies the origin of the words and its meaning is called an etymologist. Etymology is a branch of linguistics. I think all these are terms are named in English language, in every developed language there is a different term for each studies.
The wisdom of using an electric heater depends on the per kilowatt cost in your region. 1  If your heater has a 1000 watt rating and your cost of electricity is $0.15/Kwh your cost to operate for one hour would be $0.15. 2  If the element is activated 10 hours out of every 24 hours your cost per day would be $1.50.
A 90% efficient natural gas furnace will cost less than 5Â¢ to produce that same amount of heat (at $0.80 per therm natural gas rate). Whether you pay $30 or $300 for a space heater, if it uses 1,500 watts, you will: 1  Get the same amount of heat. 2  Pay the same cost per hour of use.ost to use. For any electrical device, the cost per hour of use depends on the wattage of the equipment. A typical electric space heater: 1  Uses 1,500 watts. 2  Produces 5,120 BTUs of heat per hour.