As of 2014, the most efficient space heater for home use is the Lasko 6435 Designer Oscillating Ceramic Heater, according to Space Heater Center. It provides 1,500 watts of heat and spreads the heat throughout the room by oscillating it.
The Lasko 6435 features a durable base, quiet operation and user-friendly functions, such as different fan outputs and temperature presets. It lets users adjust the temperature level and distribution. The space heater also includes a timer that allows users to set the unit to turn off automatically up to seven hours in advance. The product displays an ornamental base made from metal scrollwork. Space Heater Center gave the Lasko 6435 an overall rating of 4.5 out of five stars.