Best Most Efficient Space Heater

Dreo Electric Heater, 1500W Energy Efficient Space Room Heater, Upgrade Remote Portable Ceramic Fan Heaters, Thermostat, 3 Modes 12H Timer, Overheat & Tip Over Protection, for Bedroom, Atom 316, Gold

Warmlite WL44004 Portable Flat Fan Heater with 2 Heat Settings and Overheat Protection, 2000W, White

Dreo 16 Inch Electric Heater for Home, 34dB Silent Ceramic Heater, 70° Oscillation Space Heaters Energy Efficient, 3-Mode 3-Speed, Overheating & Tip-Over Protection, 12H Timer, Solaris Slim H3

Dreo Electric Space Heater, 70° Oscillating Portable Heaters for Home, 1500W PTC Ceramic Heater with Thermostat, Remote Control, 3-Mode 3-Speed, 1-12H Timer, Overheat & Tip-Over Protection, ECO-Mode

iDOO Space Heater, Electric Ceramic Heater Energy Efficient with ECO Mode, 24H Timer, Thermostat, 70° Oscillation, Remote Control, Tip-Over & Overheat Protections, Gold

PELONIS Electric Heater, 2000W Energy Efficient Silent Space Portable Heater with 24H Timer, Ceramic Room Fan Heaters for Home with 75° Oscillation Thermostat and Tip-Over & Overheat Protection

Pro Breeze 2000W Mini Ceramic Fan Heater - 3 Heat Settings & Fan Only Mode with Built-in Overheat and Tip Over Protection, Electric Heater for Home, Office and Bedroom

Zanussi 2300W Oil Filled Radiator 11 Fin Portable Electric Heater & Remote Control, White, Display & 24 Hour Timer, Adjustable Thermostat, 3 Heat Settings, Safety Cut-off, 20 m sq Room Size, ZOFR5005

Könighaus Infrared Space Heater 1000 Watts - TUV & 10 Years Warranty - Warms You Up Within 2 Minutes - Energysaving Electric Heater With Overheat Protection - Suitable For Rooms Up To 26m² -Plug & Use

Pro Breeze 2000W Mini Ceramic Fan Heater - 3 Heat Settings & Fan Only Mode with Built-in Overheat and Tip Over Protection, Electric Heater for Home, Office and Bedroom (White)