efficient heater best sellers

#1 Space Heater 500W Energy GAIATOP Space Heater, 500W Energy Efficient for Indoor Use, PTC Ceramic Fast Heating Electric Desk Heater, Overheating & 45°Tip-Over Protection Portable Mini Heater for Office Home Black

$12.99 on Amazon

#2 Space Heater 1000W Energy GAIATOP Space Heater, 1000W Energy Efficient Space Heater for Indoor Use, 3 Mode PTC Fast Heating Ceramic Electric Heater, Overheating & 45°Tip-Over Protection Portable Heater for Office Home White

$22.99 on Amazon

#3 Oil Filled Radiator Heater PELONIS Oil Filled Radiator Heater for indoor use Large Room Safe with Thermostat, 1500W Energy Efficient Quiet Space Heater, 3 Heat Settings, Overheat & Tip-Over, White

$61.98 on Amazon

#4 Electric Space Heater Portable QQT Electric Space Heater,Portable Energy Efficient Space Heaters for Indoor Use,Two-Speed Portable Heater Fan for Office with Adjustable,Overheating Protection,Dumping Shutdown (White)

$21.59 on Amazon

#5 12000BTU Mini Split Air COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)

$539.99 on Amazon

#6 🔥 🆕 Chicken Coop Heater with HOPOCO Chicken Coop Heater with Efficient Thermostat, Inside Radiant Heaters Adjustable with Remote Control, 200 Watts Safer Flat Panel Warmer for Pets Animals in Winter, Black

$39.99 on Amazon

#7 Mainstays Personal Electric Mainstays Personal Electric Ceramic Heater 400W for Inside, Portable Electric Heater for Home, PTC Ceramic for Fast Safe Energy Efficiency, Black

$9.96 on Walmart

#8 🆕 Space Heaters for Home Space Heaters for Home, Electric Heater for Inside, 70° Oscillation, 1500W PTC Ceramic Heater Energy Efficient, Adjustable Thermostat , Room Heaters for Home,1-12H Timer

$29.99 on Walmart

#9 3 Gallon Betta Fish Tank WONDERFACTORY 3 Gallon Betta Fish Tank Small Aquarium Starter Kit, with Heater Self Cleaning System Efficiency Filter Bright Light Rocks Gravel Cleaning Tool Set, HD Float Complete Glass Leak-Proof Gift Present

$66.99 on Amazon

#10 Dreo Space Heaters for Dreo Space Heaters for Inside, Portable Electric Heater for Home with Thermostat, 1-12H Timer, Eco Mode and Fan Mode, 1500W PTC Ceramic Fast Safety Energy Efficient Heater for Office Bedroom, Silver

$33.99 on Walmart

#11 Cozy Products Cozy Coop BIRD-X Cozy Products Cozy Coop, Chicken Coop Heater, Flat-Panel Radiant Heater with Thermal Protector, Energy-Efficient, Easy to Install, Ideal for Small Animals, 200 Watts, Black

$49.99 on Amazon

#12 Soleil Digital Ceramic Soleil Digital Ceramic Heater 1500W,Space Heaters for Inside,Portable Electric Heater for Home ,PTC Ceramic Fast Safety Energy Efficient Heater,Black Color,Indoor use only

$32.27 on Walmart

#13 🔥 DELLA 9000 BTU Wifi Enabled DELLA 9000 BTU Wifi Enabled 19 SEER Cools Up to 400 Sq.Ft 230V Energy Efficient Mini Split Air Conditioner & Heater Ductless Inverter System, with 0.75 Ton Heat Pump

$629.96 on Walmart

#14 Chicken Coop Heater with TIMEBAL Chicken Coop Heater with Adjustable Temperature Remote Control, 200 Watts Radiant Heat Flat Panel Heaters for Winter Heating，Energy Efficient Warmer for Chick Poultry Animals, Black

$39.99 on Amazon

#15 Chicken Coop Heater 200W TLXLT Chicken Coop Heater-200W Flat-Panel Radiant Chicken Heater for Winter with Thermal Protector,Remote Control Safe Energy Efficient Heating Plate with High Temperature Alert for Chicks Poultry Animals

$48.99 on Amazon

#16 🔥 12000 BTU Wifi Enabled COSTWAY 12000 BTU Wifi Enabled Mini Split Air Conditioner & Heater, 22 SEER2 208-230V Inverter AC Unit Cools up to 750 Sq. Ft, Energy Efficient, Heat Pump (Black, 12000BTU, 208-230V, 22 SEER2-WIFI)

$569.99 on Amazon

#17 🆕 FOHERE Oil Filled Radiator FOHERE Oil Filled Radiator Heater for Indoor Use Large Room, Safe with Thermostat, 1500W Quiet Energy Efficient Space Heater with Remote, 4 Modes, 24H Timer, Overheat Protection, Black

$69.99 on Walmart

#18 LifePlus Infrared Space LifePlus Infrared Space Heaters for Home, Portable Wood Electric Quartz Heater with Remote Control Thermostat Energy Efficient for Inside Use

$100.49 on Walmart

#19 Chicken Coop Heater 140 PETNF Chicken Coop Heater 140 Watts Radiant Heat Chicken Heater Energy Efficient Design Safer Than Brooder Lamps Heater for Chicken Coop, Heating Wire UL-Compliant Two Ways to Use, 11.81''x15.74''

$39.99 on Amazon

#20 🔥 🆕 18000 BTU Wifi Enabled COSTWAY 18000 BTU Wifi Enabled Mini Split Air Conditioner & Heater, Energy Efficient, 21 SEER2 208-230V Inverter AC Unit Cools up to 1250 Sq. Ft.(White, 18000BTU, 208-230V, 21 SEER2-WIFI)

$699.99 on Amazon