A storage heater is a device used to heat a room by storing heat during lower-demand times and releasing it during high-demand periods. However, there are various other terms you can use to describe it. Some common synonyms for a storage heater are electric heaters, night storage heaters, accumulators, and dynamic heaters. The electric heater is a broad term that encompasses all types of heating devices that use electricity to generate heat. Night storage heaters and accumulators share a similar working principle and can be used interchangeably with storage heaters. Dynamic heaters are advanced systems that can automatically adjust the heat output, making them highly efficient and cost-effective. So, if you need to buy or install a heater, keep in mind these synonyms to help you choose the right device.