"space heater"的定义和意义

What is a "space heater"?

A space heater is a portable device used to heat a small area or room. It works by using electricity, gas, or oil to generate warmth. Space heaters come in various types, including electric, ceramic, and infrared, each with different features and heating methods. They are commonly used in homes, offices, or other spaces where central heating is not available or needed. Space heaters are designed to be compact, easy to use, and efficient at quickly warming up a specific area, providing comfort in cooler environments.