10 Best Under Desk Heater of August 2025

List of Top Rated Under Desk Heater from thousands of customer reviews & feedback.

Updated On Aug 2025

1,269 Reviews Studied

By Customer Ratings

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GiveBest Portable Electric Space Heater, 1500W/750W ETL Certified Ceramic Heater with Thermostat, Heat Up 200 sq. Ft in... Read Review

  • 【Easy Control Heater】Adjust the knob on the right to turn the unit on. "I" is for producing heat at 750 watts, "II" will produce heat faster and hotter at 1500 watts, and ”Fan” will blow out cool air. Then turn the thermostat knob on the left toward the + sign. The adjustable temperature range is 0℉-158℉.It will get the heater to cycle on and off according to if the room’s temperature reaching heater's setting temperature
  • 【Energy Efficient Heater】With PTC ceramic heating tech and high speed fan, this heater put out tons of heater to heat up 200sq.Ft in seconds. Helps to save electric bills by heating up needed small spaces instead of heating the whole house with other centralized heaters. It's quiet enough to use in a bedroom while sleeping
  • 【Portable Mini Heater】Dimensions: 6.2" x 7" x 9.2", 3.2 pounds light weight mini heater easy to carry around with handle. This 120V heater has six feet long cord and 2 prong connection fits for indoors use such as office, room, desk, home, bedroom
  • 【Safe Room Heater】The heater is made of flame retardant material to achieve zero fire hazard. Tip-over protection shut off heater when it's knocked over, perfect for houses have kids and pets. Overheat protection will shut heater off automatically when the heater overheat
  • 【Durable Heater】Manufacturer warranty for 1 year from date of purchase for this ETL Certified heater

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Lasko Ceramic Adjustable Thermostat Tabletop or Under-Desk Heater, Black CD09250 Read Review

  • 3 quiet settings - including high heat, low heat, and fan only make this electric space heater ideal for warming up an area in your home or home office. Combined with an adjustable thermostat This personal space heater is great from small areas.
  • Adjustable thermostat - allows you to adjust the heater's 1500 watt ceramic heating element. With 11 different temperature settings you're sure to find a comfortable setting. Simply turn the dial to the heat setting you desire and enjoy comforting heat.
  • Convenient carry handle - makes it easy to move the space heater. Thanks to the heater's compact Size and convenient carry handle you can easily move the heater from the kitchen, to the bedroom, or under the desk.
  • Built-in safety features - overheat protection ensures the space heater does not overheat even if left on for an extended amount of time. The space heater also features a cool-touch exterior. This allows the the space heater's body to stay cool even when it's on high.
  • Fully assembled - allows you to take the heater out of the box and have it working it minutes. Simply plug the heater into a wall outlet, select your desired heat and thermostat settings, and enjoy the warmth from your new Lasko space heater.

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AmazonBasics 500-Watt Ceramic Small Space Personal Mini Heater - Black Read Review

  • Compact personal space heater design that is small enough for tables or desktops
  • Featuring efficient ceramic coils that heat up in seconds
  • Available in 4 colors to custom-match your decor
  • Includes tip-over protection for extra safety
  • Ideal for small spaces, at home or at the office

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GiveBest Portable Electric Space Heater 1500W/750W, Ceramic Room Heater with Tip-Over and Overheat Protection, 200 sq. F... Read Review

  • 【Easy Operating Heater】Adjust the knob on the right to turn the unit on. "I" is for producing heat at 750 watts, "II" will produce heat faster and hotter at 1500 watts, and ”Fan” will blow out cool air. Then turn the thermostat knob on the left toward the + sign. The adjustable temperature range is 0℉-158℉.It will get the heater to cycle on and off according to if the room’s temperature reaching heater's setting temperature
  • 【Energy Efficient Heater】With PTC ceramic heating tech and high speed fan, this heater put out tons of heat to heat up 200sq.Ft in seconds. Helps to save electric bills by heating up needed small spaces instead of heating the whole house with other centralized heaters. It's quiet enough to use in a bedroom while sleeping
  • 【Portable Mini Heater】Dimensions: 8.3"×6.3"×4", 2.2 pounds light weight mini heater easy to carry around with handle. This 120V heater has six feet long cord and 2 prong connection fits for indoors use such as office, room, desk, home, bedroom
  • 【Safe Room Heater】The heater is made of flame retardant material to achieve zero fire hazard. Tip-over protection shut off heater when it's knocked over, perfect for houses have kids and pets. Overheat
  • 【Durable Heater】Manufacturer warranty for 1 year from date of purchase for this ETL Certified heater

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Cozy Products CL Cozy Legs Flat Panel Radiant Desk Heater Read Review

  • Uses just 150 watts
  • Wall or desk mountable panel (stand sold separately)
  • Safer than space heaters; no exposed heating coils
  • Provides gentle heat to cold legs and built-in thermostat
  • Sleek Design measures 22" wide x 16" tall x 1" deep

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Lasko 100 MyHeat Personal Ceramic Heater, Compact, Black Read Review

  • KEEPS YOU WARM AT WORK – At 200-Watts and 682 BTUs, this low wattage mini space heater is ideal for use under the desk to keep your feet and legs warm. Best of all, because it’s low wattage, it won’t keep tripping the office circuit breaker every time you turn it on.
  • YOUR PERSONAL SPACE HEATER – At 6 inches tall with a 4” x 4” footprint, this cute, small electric heater takes up minimal desktop space and is intended to heat up your immediate space at home or the office. Designed to warm you, not a room. For that, we recommend getting a Lasko 1500-Watt tower heater.
  • EASY TO USE – No assembly required. Simply take it out of the box and plug it in to a standard 120v wall outlet. This energy-efficient, indoor ceramic heater draws about 2 amps and turns on with a flip of a switch. Compact and portable, MyHeat comes with a 6-foot cord and a 2-pronged plug. It’s also easily stored when not in use.
  • YEAR ROUND USE – Tired of always being cold at work in the winter? Is your cube right under the AC vent in the summer? If this sounds familiar, then this little heater is just what you need to keep you comfortable year-round. Produces a quiet, white noise that won’t disrupt your co-workers. MyHeat is available in 4 fun colors (black, white, blue, and purple) and makes for a great gift.
  • TRUSTED FOR GENERATIONS – Lasko has been making quality products for over 100 years. MyHeat is ETL Listed and comes with Automatic Overheat Protection. The on/off switch lights up to let you know the unit is on. The self-regulating, safe ceramic heating element keeps the exterior cool to the touch – taking the worry out of using the heater for long periods of time.
  • Lower power useage saves on your energy bill and helps to elimanate tripping the circuit breaker if multiple heaters are used in an office setting.

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Cozy Products TT Toasty Toes Ergonomic Heated Foot Warmer,BLACK Read Review

  • Combines an ergonomic foot rest with a money-saving 105 watt heater
  • 3 adjustable positions to accommodate sitting and standing positions
  • Adjustable heat settings for maximum comfort and control
  • Energy-efficient design saves money, energy, and keeps spaces warm
  • Attractive design perfect for use in modern offices

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Toyuugo Portable Electric Heater, Space Heater 500W Ceramic Personal Desk Fan Heater, 2s Quick Heat-up, Tip-Over, Overhe... Read Review

  • 2S Quick Heating & Energy-efficient:The high quality ceramic space heater generates heat quickly. Turn it on and feel warm air blown to you in 2 seconds. it can swiftly heat the surrounding air and blow a gentle hot air for you, faster and more energy efficient than traditional materials.
  • Portable & One-Button Control: Offers you one super easy button to control the turn on/off, it is easy to move and carry it around, perfect for using in home or office. Put it on the or under desk near you or place it on the floor to warm your feet while work, reading or watching TV, etc. Besides, PLS NOTE: press the button for once, it will have 15s to cool down. so don't worry, actually it turns off. Press the button for twice, the light is off.
  • Quiet & Intelligent Thermostatic Design: 500 watts of heating power, intelligent constant temperature design allows you to be surrounded by warmth, will not cause discomfort or harm to the body because of overheating. Enjoy the warmth around you without noise, It won't disturb you whether you’re working, reading, writing, sleeping or other quiet breaks. 
  • Multi-Safety Protection & Low Consumption: it adopts tip-over, over-heat and auto shut off design. Built in tip-over sensor can automatically cut off power when the heater tilts and will be automatically shut off after continuous 5 hours working time. And the PTC heater heats without generating any oxygen consumption and open flames, with high quality flame retardant material, giving you multiple security.
  • 90-Day refund Promise& 24-Month Warranty: We always tend to approach every detail from our customers’ perspective to improve our products and service. Any doubts, please feel free to contact us, we will get back to you within 12 hours.

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Coolast Small Space Heater, Electric Personal Heaters for Office Ceramic Heaters with Tip-Over Overheat Protection Oscil... Read Review

  • POWERFUL BUT QUIET:The personal heater is equipped with PTC heating technology, which enables it to fast and efficiently produce abundant heat within 2s. Besides, the room heater can bring you a quiet space. Low noise will not interrupt your reading, rest, work, sleep and so on.
  • SAFETY PROTECTION:Tip-over and overheat protection. The 600W Office space heater shuts off automatically if it tips over or starts to overheat. Safe for pet room or baby room when it is knocked down accidentally.
  • WARM and NATURAL 2 IN 1:Capable of functioning not only as a heater but a normal electric fan, use its fan only mode to generate refreshing air circulation without added heat for year-round convenience.
  • AUTO OSCILLATING:With 45 degree wide Anti oscillate design. The small heater’s oscillating function more thoroughly distributes heat throughout the room. Just touch the button to control the oscillating heater.
  • APPLIED TO DIFFERENT PLACES:this ceramic heater is portable and small size , with a fashion out look design ,this electric heater can Be used in different places,Such as bedroom,office desk,under desk,living room.

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NUMIFUN Space Heater 500W Ceramic Small Personal Mini Heater with Thermostat Quiet for Office Desk Home Indoor Use ETL A... Read Review

  • 👍【ADJUSTABLE THERMOSTAT】: The compact personal space heater designed with adjustable thermostat.It keeps you personal working environment at a comfortable temperature according to the thermostat setting. Don't worry if you forget turning off it while left the room. Power indicator lights up to let you know the unit is on.
  • 👍【QUIET & PORATABLE】:This little heater is super quiet.It won't disrupt your co-workers. It is mini sized 5.1*4.7*7.1 inches takes up minimal desktop space and is intended to heat up your immediate space at home or the office. Designed to warm you, not a large room.
  • 👍【COOL TO TOUCH AND ENERGY SAVE】: This small space heater designed with cool to touch housing, more safety than the metal grill. With low wattage 500W, this mini space heater is ideal for use under the desk to keep your feet and legs warm. Best of all, because it’s low wattage, it won’t keep tripping the office circuit breaker every time you turn it on.
  • 👍【INSTANT HEAT WITHIN 2 SECONDS】: This electric heater featuring efficient ceramic coils tha heat ups in seconds. No need to preheat.
  • 👍【ETL APPROVED & TIP OVER & OVERHEAT PROTECTION】: 1.Automatic Overheat System will shuts the unit off when the parts of the heater overheat. 2.TIP-OVER SWITCH will shut off automatically when tipped forward or backward.3. Power indicator light can let you know at a glance that it’s plugged in.