Best Most Efficient Space Heater

Dreo Electric Heater, 1500W Energy Efficient Space Silent Room Heater, 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 Space Heater, 1800W Silent Ceramic Electric Heater Low Energy, 3-Mode 3-Speed, Overheating & Tip-Over Protection, 12H Timer, 70° Oscillation, for Home, Solaris Slim H3

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

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)

De'Longhi HSX4324E.WH, 2,4KW Thermo convector heater with digital thermostat, LED display, 3 power levels,24h Timer White

Pro Breeze Mini Heater - 500W Ceramic Fan Heater with Built-in Thermostat, Heat Dial, Overheat & Tip-Over Protection - Personal PTC Electric Fan heater Ideal for Over or Under Desk Heating

Dreo 16 Inch Electric Heater, 1800W Energy Efficient Space Heaters with Thermostat, 70° Oscillating Remote Control 3-Mode Tip-over & Overheat Protection, Silent Ceramic Fan Heater for Home, Solaris H2

Supply Cube Upright Fan Heater, Electric Heater | Portable Heater with Overheat Protection & 2 Heat Settings | Electric Heater Energy Efficient, Room Heater | Space Heater, Heaters For Home Low energy

De'Longhi Capsule HFX30C18.IW Ceramic Fan Heater - White