The Best 400 watt space heater of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 400 watt space heater of 2022. Check our ranking below.

2,290 Reviews Scanned

Rank No. #1

Amazon Basics Ceramic Space Heater, Mini Heater for Office Desk, Portable Tent Heater for Camping (Indoor Use), 500 W, With Tip-Over Protection, Lightweight (1.4 LBS), Black, 5.8"D x 3.4"W x 6"H

COMPACT DESIGN: Measuring just 5.8"D x 3.4"W x 6.0"H, this heater is ideal for tables, desks, or other small spaces, providing warmth without taking up much room.
PORTABLE & LIGHTWEIGHT: Weighing only 1.4 lbs, this heater is easy to move around your Home or Office, offering warmth wherever it's needed.
FAST & EFFICIENT HEATING: Equipped with ceramic coils, this heater delivers quick heat in seconds at 500W, ensuring you stay warm in no time.
BUILT-IN SAFETY FEATURES: Designed with Tip-Over Protection, the heater automatically shuts off if it’s knocked over, ensuring safe use.

SaleRank No. #2

Lasko MyHeat Personal Mini Space Heater for Home with Single Speed, 6 Inches, Black, 200W, 100

✅【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

Rank No. #3

PLUG-IN SPACE HEATER: PLUG-IN SPACE HEATER: This small personal heater simply plugs into any outlet for quick and easy heat! It features a digital temperature display that's easily adjustable & a programmable 12-hour timer.
PERSONAL SPACE HEATER: PERSONAL SPACE HEATER: The 400-watt space heater is perfect for large & small spaces such as bedrooms, garages, living rooms, bathrooms & other spaces around your home. Includes remote control to adjust temperature & speed.
SMALL ROOM HEATER: The portable ceramic space heater frees up floor space with its compact design and is cool to the touch so you can move it without burns.
AS SEEN ON TV: Ontel Products are composed of many individual brands each serving customers in different ways. Try a variety of products from some of our brands like Pillow Pets, Miracle Socks, Iron Gym, Miracle Bamboo Cushion, Dream Tents, & more.
INNOVATIVE WITH ONTEL: Since 1994, we’ve been developing, marketing, & distributing some of the most innovative consumer products on the market. From toys, to fitness equipment & household items, we love bringing new ideas into the world.

Rank No. #4

Newair 400W Portable Under Desk Heater - Slim Fit Design with Silent, Energy-Efficient Operation, Ideal for Office, Desk, Home, and More

[SLIM DESIGN IS A REAL SPACE SAVER] - This powerful heater fits under your desk to deliver heat directly into your workspace. Its slim frame is designed to warm your entire body and give plenty of leg room to stay cozy and comfortable at your desk.
[SILENTLY DOES ITS JOB SO YOU CAN DO YOURS] - Don’t worry about disrupting your coworkers or loosing your concentration; it uses diathermic oil rather than a fan to send heat into your personal workspace.
[ENERGY EFFICIENT TO CUT DOWN COSTS] - This energy efficient heater uses 400-watts of energy to help you save on your electricity bills.
[SMART SAFETY FEATURES TO HEAT IN PEACE] - The under desk heater comes with an automatic shut-off function to prevent the risk of overheating. It also comes with a tip over kill switch to turn off the heater, preventing accidents from happening.
[PORTABLE FEATURES TO PUT IN THE PERFECT PLACE] - You can easily take your portable heater with you thanks to its portable features. The handle allows you to grab-and-go to your next location. Plus, its lightweight body makes it easy to move.

SaleRank No. #5

Lerat Electric Space Heater, Small Heater for Indoor Use, 500 Watts High Output & 2 Speeds, Mini Personal Heater for Office Desk Camping, Black

【HIGH HEATING EFFICIENCY】 High-efficiency ceramic coils heat up quickly in less than 3 seconds. The portable space heater has two different heat settings (200W warm temp and 500W high temp) to create a comfortable temperature in your room.
【COMPACT SIZE】 The product size is 4.72x5.69x3.5inch, lightweight but powerful, you can carry it with you, perfect for living room, bedroom, office, dormitory and other places. (Care needs to be taken to keep windows and doors closed so that the room temperature can be better maintained and the heating effect can be improved)
【OVERHEAT PROTECTION & TILTING PROTECTION】 The space heater warmer is made of ABS material, which is a high temperature resistant and flame retardant material, and will not overheat even if it is turned on for a long period of time; if the product is tilted or bumped into, the space heater will automatically turn off the power to effectively avoid combustion, fire, or any other accidents.
【EASY OPERATION】 The heater has only one power switch, very easy to control. There is a base underneath the heater, and the high temperature will not damage the tabletop.
【SUITABLE SCENARIO】 This tabletop heater is perfect for winter and cold nights.20 decibels silent heating function can add comfort while maintaining the desired temperature, perfect for office, reading, writing, sleeping, and also suitable for drying pets dogs and cats after bath.

SaleRank No. #6

Kimviento Mini Space Heater, Portable Tent Heater for Camping(Indoor Use),Fast Heating 350W With Tip-Over protection, Lightweight (1.3 LBS), Desk Electric Heaters for Office Home White

Safe and Reliable: The mini space heater has an intelligent design that automatically shuts off when overheating and tipping over, avoiding the risk of fire and always keeping your home safe.
Fast and quiet: Thanks to the advanced PTC ceramic heating technology, the 350-watt desktop heater brings considerable heat in just 1 second, accompanying you through a warm and cozy winter. The under-table heater is quiet enough, perfect for bedrooms, living rooms, offices, under desks and more.
Compact and Powerful: Compact and portable, the small heater makes it easy to bring warmth wherever you want it. Small but powerful, the ceramic heater heats more efficiently and uses less energy.
Easy to USE: Your personal space heater requires no assembly, just plug it into a standard 120-volt wall outlet and turn it on with the flick of a switch to enjoy warmth on cold days.
Best Gift: No one can say no to this gift in the cold winter, it's a gift that combines practicality and beauty. Perfect for Mother's Day, Valentine's Day, Thanksgiving, Christmas, New Year's, housewarming, or any other special occasion suitable for family, loved ones, friends, or neighbors!

Rank No. #7

Space Heater, Teioe Mini Electric Space Heater 800W/400W, Small PTC Ceramic Heater with Tip-Over and Overheat Protection, 3 Operating Modes, Space Heaters for Office, Bedroom and Under Desk (GREEN)

FAST & POWERFUL HEATING - Equipped with advanced ceramic heating elements, Teioe small space heater provides faster and more energy efficient heating. This electric space heater heats up to 70°F in 3 seconds, perfect space heater for bedroom, office and desk use.
ADVANCED SAFETY - Our portable space heater is made of flame retardant material. Built with multiple safety features, including overheat protection, tip-over protection, 8hr auto power-off, 30 seconds delay shutdown. Safe space heater for indoor use.
PORTABLE & QUIET - The size of the electric space heater is: 8.3" x 5.5" x 3.1", 1.6 pounds lightweight. Build with pure leather handle, makes it easy to be placed in any room or moved. Noise is lower than 45dB, will not bother your sleep, read and work, quiet space heater for office.
EASY TO USE - Adjust the rotation botton to choose three modes. 800w high heat, 400w low heat and natural wind mode. The high/low heating mode blows warm air at different speeds to heat the air. It makes the small space heater ideal choice for your personal space in home and office.
MINI RETRO DESIGN - This mini space heater adopts fashion retro design. The refreshing appearance can decorate your home or office while keeping warm. The mini heater is the ideal Christmas gift for family and friends.

Rank No. #8

Air Choice Portable Heater - Black | Efficient Space Heater for Home, Office, & More

Ultra-Portable Design: This mini ceramic heater measures just 4.29 x 3.86 x 6.65 inches, making it easy to carry with one hand—perfect for travel and small spaces. Fully assembled with manual controls and a single power switch, it offers straightforward operation for on-the-go heating
Efficient 400W Heating: Delivering quick warmth, this 400W heater features a power indicator light and operates quietly, ensuring comfort without disturbance. Its energy-efficient design is ideal for personal use or heating small rooms
Versatile Application: With its compact size and easy controls, this heater is suitable for a variety of indoor settings, including offices, study rooms, and bedrooms. Its portability allows you to easily relocate it to wherever you need warmth most
Safety as a Priority: Safety is paramount with this mini heater, which includes overheat protection to automatically shut off the device if it reaches a temperature that could lead to overheating or fire hazards. This feature provides peace of mind and protects your home or workspace

SaleRank No. #9

Performance Tool W5011 250W Personal Space Heater, White

ENERGY EFFICIENT: The 250-Watt Mini Heater saves energy and provides extra warmth for small spaces, making it an ideal choice for those who want to reduce their energy bills.
PORTABLE AND VERSATILE: The compact and lightweight design of this Mini Heater makes it easy to move and use in different areas. Use it on your desk, under your feet, or anywhere you need extra warmth.
QUICK AND POWERFUL: With efficient ceramic coils, this Mini Heater heats up in seconds, delivering 853 BTUs of warmth to keep you cozy and comfortable.
SAFE AND RELIABLE: The built-in safety features include tip-over and overheating protection, ensuring that the Mini Heater automatically shuts off if knocked over or if the heating elements overheat.
LONG REACH CORD: The sturdy 6' power cord provides ample reach to direct heat where you need it most without the need for an extension cord. Ideal for use in offices, workshops, kitchens, or on tables and counters.

Rank No. #10

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

Compact and Space-Saving Design: Our space heater features a compact and sleek design that takes up minimal space. desk heater is perfect for small rooms, dorms, offices, and apartments. It is the perfect choice for your efficient heating in winter
Fast and Efficient Heating: With our mini heater you can enjoy fast and efficient heating in any room. The electric heater adopts advanced PTC ceramic heating element, which can quickly warm up your space in 2 seconds, providing you with a warm and comfortable environment
Safe and Reliable: Your safety is our top priority. Our small heater has built-in safety features, with 45° tip-over protection and overheating protection, V0 class fireproof material ensures safe use for a long time. You can rely on our heaters for a hassle-free heating experience
Quiet and Energy Saving: Our portable heater operates quietly and efficiently, allowing you to enjoy a warm, peaceful environment without any disturbance. LED light indication, let you know the running status of the heater at all times, providing powerful heating effects while helping you save on electricity bills
What You Get: You'll receive an 500W space heater, an instruction manual, and an exquisite packing box. Plus, we are responsible for our products and customers. If you have any questions about our products, please contact us first, we will solve it for you within 24 hours

Last update on 2025-04-09 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 400 watt space heater?

Do you get stressed out thinking about shopping for a great 400 watt space heater? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 400 watt space heater, which is why we have assembled a comprehensive list of the greatest 400 watt space heater available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 400 watt space heater that you consider buying. Your questions might include the following:

Is it worth buying an 400 watt space heater?
What benefits are there with buying an 400 watt space heater?
What factors deserve consideration when shopping for an effective 400 watt space heater?
Why is it crucial to invest in any 400 watt space heater, much less the best one?
Which 400 watt space heater are good in the current market?
Where can you find information like this about 400 watt space heater?

We’re convinced that you likely have far more questions than just these regarding 400 watt space heater, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 400 watt space heater, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 400 watt space heater. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 400 watt space heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400 watt space heater currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 400 watt space heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 400 watt space heater?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 400 watt space heater.
Customer Ratings: Number ratings grade 400 watt space heater objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400 watt space heater.
Product Quality: You don’t always get what you pay for with an 400 watt space heater, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 400 watt space heater is should be an indication of how long it will work out for you.

We always remember that maintaining 400 watt space heater information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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The Best 400 watt space heater of 2022 – Reviewed and Top Rated

How Do You Buy The Best 400 watt space heater?

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