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Model # AH-400

AH-400 White Portable Space Heater

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Images are for reference only. Please see product specifications for detailed product information. Furniture colors may vary based on computer monitor and room lighting.
Model # AH-400
AH-400 White Portable Space Heater
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Product Overview


The flat panel design of the NewAir AH-400 personal space heater makes it perfect for offices and other tight spaces. This low watt heater features a special diathermic oil that heats quickly and stays warm even after the heater has been turned off. It operates without a fan so there's no noise, and is small enough to fit under a desk. The easy-to-use dial thermostat control lets you select the ideal temperature for your personal space with no hassle.


  • Automatic temperature control
  • Low energy draw
  • Heats 40 sq. ft.
  • Tip over safety switch
  • Power indicator light
  • Built in thermostat
  • Manual controls
  • Convection heating method
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* All dimensions and weights listed on this product are approximate. Please contact the manufacturer for exact dimensions and weights.
MFG SKU Number AH-400
Color White
Category Heaters
Weight 6.45
Local Product No
Add Warranties Yes
Width 5
Depth 21
Height 16.5
Shipping & Returns

Small Furniture Shipping Information

  • Shipping is free for most small furniture products
  • These items are typically shipped via UPS or Fed Ex
**In some cases a shipping charge may need to be added (depending on your area), or shipping may not be available at all.

Returns Information

  • If you are not completely satisfied with your order, we will exchange it or refund the full purchase price, minus all shipping costs, within 30 days of delivery.
  • Customers are responsible for covering all shipping costs unless the product is deemed damaged and noted at the time of delivery.
  • We will not take returns of, or exchange products that are damaged, installed, assembled, or used after the customer has taken delivery.
  • Please make sure the item you are returning or exchanging is still in the original box with all packing materials, manuals, and accessories included. Returning items is the sole responsibility of the customer. Items damaged upon return cannot be credited to the customer.
Read our complete Returns & Exchanges policy to learn more.
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AH-400 White Portable Space Heater is rated 4.7 out of 5 by 68.
Rated 5 out of 5 by from Great energy efficient slim line radiator style portable hea This afforably priced little heater looks like the modern slim-line radiators you encounter in Europe. It is great for small rooms (up to 150 square feet) and tight spaces. Like other oil filled radiators it is slient and less drying than fan forced heaters. Unlike other oil filled radiators it is small, wafer thin, and stylish. Also at 400 watts it is also extremely energy efficient. The thermostat could be a bit more accurate but otherwise the unit is well constructed. I hope to see similar thin radiators for larger spaces in the future. For now two of these will still save you energy $ over most other space heaters.
Date published: 2012-01-17
Rated 3 out of 5 by from Under desk but 3 feet from furniture?? You need to remove the statement in the owner's manual that says to locate it 3 feet from walls and furniture if you are going to call it an "Underdesk Heater".
Date published: 2016-01-09
Rated 5 out of 5 by from These heaters are beyond great they list this has a 40 sf area that it will heat, but im telling you they will heat up to 150 sf area no problem. if you look into what the power usage is these bad boys only use 400 Watts that is noting compared to other heaters in the industry, if you want to have a reality check...turn off as much power in your house as possible...go watch your power meter spin. then while watching the meter have someone turn this hear does not make a difference at all,,,it would take 4 of these to make one Eden pure heater....
Date published: 2012-01-13
Rated 5 out of 5 by from NewAir AH-400 The NewAir-400 is just what I needed under my desk. Every other heater I tried failed at keeping a constant comfort level. I would get too hot and then have to shut it off. But not with the NewAir-400, I have been comfy all the time. We even purchased a second for another co-worker.
Date published: 2016-03-27
Rated 2 out of 5 by from NewAir AH-400 Energy Efficient 400 Watt Oil Personal Heater For the price, don't expect much heat from such a small heater. It will provide some heat but you'll need to use the Maximum setting and use it in an enclosed space to keep the heat within a closed area. I use it in the bedroom though it doesn't help much really but I keep it on overnight on medium heat to serve electricity costs. Also, it can be used in the bathroom but you'll need to keep it on for awhile to heat up the room. Again, given its small size, do Not expect much heat as it's really meant for SMALL, Enclosed spaces. You can use it on carpets but just be careful. On a daily basis, I unplug it during the day then plug it back into the outlet at night before use. Remember to remove the plastic that covers the unit after opening from the box but before using.
Date published: 2017-11-21
Rated 5 out of 5 by from Great heating as well as low energy consumption This is a good alternative to high heating bills, yet delivers heat for small to average size rooms, entry hallways or larger bathrooms. Keep heater away from anything close to the unit to prevent melting of objects. Feet need to be properly placed on unit and there is a click when locked feet are in place. Remove the clear warning labels first before initial use
Date published: 2016-08-31
Rated 5 out of 5 by from Great little heater I got this heater for the bedroom, I live off-grid with solar power and don't want to deplete my batteries at night and also not use propane for heating as that is so expensive. This little heater does a good job, it does not make the room toasty, but comfortable and it does not depleate the batteries too bad. I keep it on during the evening, but turn it off when I go to sleep. Very happy with the product and also dealing with Air and Water. Super fast shipping and easy transaction.
Date published: 2012-01-03
Rated 5 out of 5 by from AH-400 Energy Efficient 400 Watt Oil Filled Person What a great little heater! I purchased this specifically for a small bathroom I wanted to safely keep warm without heating the whole house in the morning when getting ready for work. I turn it on at night and it works perfectly. Shipping was fast and it was simple to put together. Some have complained about the feet not fitting making the heater wobbly. I found they need to go on a certain way. The metal brackets on the heater both have a cut corner. The plastic feet both have a stopper piece on each bottom end inside the slot. Hold both pieces up and you'll see. The stopper end is made to match up and fit over the metal bracket with the cut corner. They will fit snug this way and not wobble. I found this out by trying them on a couple different ways to keep the heater steady and it worked-I'm good at solving mysteries too!
Date published: 2013-01-04
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