NewAir AH-400 Low Watt Oil-Filled Underdesk Heater
Great For Offices The flat panel design of the NewAir AH-400 personal space heater makes it perfect for offices and other tight spaces where extra warmth is needed. Just tuck it under a desk or inside your cubicle to chase away the chill.
Low Energy Cost
Automatic Temperature Control
Runs Quietly & Safely
Back to top Specifications Model: AH-400Product Type: Energy Efficient 400 Watt Oil Filled Space HeaterProduct Dimensions: 21.00"L x
5.00"W x
16.50"H
Product Weight: 6.45 lbs.Product Color: WhiteApplication: Ideal for heating personal space and small areasType: Space Heater Fuel Type: Electric Coverage Area: 40 square feetVoltage: 120 voltsWatts: 400 wattsAmps: 3.3 ampsFrequency: 60 HzCertifications: ETL , UL Heating Capacity: 1360 BTUsSpace Heater Type: Oil-Filled Radiator , Flat Panel Number of Heat Settings: 1 Built-In Thermostat: Yes Thermostat Type: Dial Tip Over Switch: Yes Power Indicator Light: YesCarrying Handle: YesRemote Control: NoPower Cord Length: 6 feetPlug Type: Grounded 3-Prong Automatic Temperature Control: Yes LCD Screen: NoTouch Screen: NoWall Mountable: NoBack to top Resources Back to top Reviews
Average rating: 2016-08-31
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
recommended
GrannyGeek
From: Redding, ca
2016-09-23
For the price of burning 4 lightbulbs I can keep pipes from freezing in a small travel trailer.
recommended
2016-03-27
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.
recommended
blue sky
From: california
2016-02-10
This heater is great because it is affordable, uses low wattage (efficient), and effective. This is my second heater. I bought one now for the office.
recommended
BPharr
From: Santa Clara County California
2016-02-09
These are the only space heaters our building management allows due to the automatic shut off and completely enclosed heating elements. We have over 15 of them in our office.
recommended
Obsess AH-400
From: Newton, MA
2016-02-03
I use AH-400 in the office, under a desk.???Silent heater is critical for working environment.
My wife also use AH-400 in her office, under a desk.
recommended
2015-12-09
I really like this heater it only uses 400 watts and puts out a lot of heat even for a time after it shuts off, my home is humid in the wet season and fells cold even though the temperature is 70 degrees these dry and even out the temperature to a comfortable feel, I have 4 of these and they work very well
recommended
MyNamesJeff
From: Orange County
2016-12-20
I love my AH-400, its very efficient and is perfect for my desk. Their customer service is awesome and I will definitely be a long time customer!
recommended
2015-10-20
I am very happy with my purchase. I would recommend the same heater to anyone who shares a space with others who don't like it warm.
recommended
2014-02-28
this product not only works in my very small and confined area but it isn't conflicting with any other electrical appliances by flipping a breaker. it is keeping the area warm and comfortable with the setting on medium heat during low 20's temps. thank you for inventing this ingenious product. i am using it in the bedroom of a 5th wheel rv.
recommended
rendy61
From: memphis, TN
2013-01-07
This product was purchased for our company. We are planning to order more of these for some other individual offices with poor heating.
recommended
Warmshowersnow
From: Massachusetts, USA
2013-01-04
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!
recommended
Ready Watt
From: Aurora, Co
2012-01-13
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 on..it does not make a difference at all,,,it would take 4 of these to make one Eden pure heater....
recommended
Reno mountains
From: Reno, NV
2012-01-03
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.
recommended
2018-04-02
This is my second heater. My first one still worked, but after 6 years of use it needed replaced. I use it under my desk to keep my feet warm in the winter. I'm very cold natured, and this heater works great.
D.J. maintenance mech.
From: Indiana
2018-04-02
I am a maintenance mechanic and we use them throughout building under desks..
2018-03-29
This is just right for use under a desk where the office is too cold. It will keep you toasty. Do not expect this to heat a room. It is not designed for that. The unit is completely silent!
Kevin
From: Ann Arbor, MI
2018-02-09
Was tired of having cold legs and feet at work. This solved the problem without taking away too much leg space.
Cycles off a bit too often, then my feet feel cold again. I have the dial 3/4 of the way and may need to try max. Perhaps the thermostat is too sensitive?
recommended
2017-12-21
We use them under the desks. With the built in thermostat, you can set it to your desire.
If you need any assistance, parts or basic information. The girls I spoke with were excellent and very polite
( which is something that really stood out to me. Not the norm in today's world ) I commend you for your kindness !!!
recommended
PT
From: Post Falls, Idaho
2017-11-24
Besides providing comfortable heat with no sound and with an internal thermostat, I chose this heater because of the superior safety factor. I replaced three baseboard heaters after reading reviews of the fire hazard they represent. The mechanism used in the Newair heater presents no such hazard and I can rest assured that I won't have a space heater fire!
recommended
2017-11-14
Personal heater from Newair is easy for the office personnel!
recommended
AgapeRX
From: Los Altos, CA
2017-03-04
Christine was the utmost courteous and polished professional who knew exactly where the feet or casters (sans wheels) for their brand NewAir desk heater. When I called she informed me immediately that most call reporting them missing but in fact, they are cleverly hidden in space efficient packaging. I wasn't certain with what I was impressed with more, the clever packaging (tis really of all I have seen- as they were hidden underneath and embedded in the styrofoam fit snugly in the box) or Christine's knowledge of the product right to the packaging, helpfulness, and courteousness. It truly is difficult to get high marks in all 3 but she deserves them all. I did not have to wait for an additional shipment nor be directed to call another number where the heater is made, etc.. Time is precious !
The desk heater in itself is an efficient, perfect addition to a 8'.5 x 7.5' area converted into an office. It warms up the area just as well as the 700-800W space heaters but 1/2 wattage and is easy to maneuver. Best of all, I never regret buying it since I previously had the larger one which I would constantly move out of the way.
Images shared by AgapeRX
recommended
Cold Cubical
From: Peoria Illinois USA
2015-12-14
Vincent in Customer Service answered my questions and responded very fast.
recommended
2015-11-25
We have three in one office and the circuit breaker does not pop. Purchase other types of heaters and they would pop the circuit breakers.
recommended
2015-11-23
I use on eunder my desk and in my bathroom.Really warms for little money
recommended
Brent
From: Northeast Arkansas
2015-11-22
I love this little heater. I work in an office and it fits perfectly under my desk and keeps my feet and legs warm in cold weather. It makes no noise at all because it heats by oil contained within the heater. You can regulate the heat as it has a thermostat. Also, I can turn the heater off and on by pushing the switch with the side of my shoe. My secretary also has one in her office.
recommended
2015-11-09
Love this little heater. It is energy efficient and doesn't trip my electricity. For 400 watts, this little gem does the job! Only con are the 2 plastic feet that support the heater. Other than that, this heater is perfect for my small living room.
recommended
Bangly21
From: Dallas, TX
2015-10-30
This heater was a pleasant surprise. It is different from the other space heaters. Not only does it do a good heating job, it provides a high degree of safety which is very important.
recommended
Linda-BSC manager
From: Chicago, IL
2015-10-27
I have used this handy little heater for several years and love the product. We have strict safety rules at work and this one fit the bill and passed all the requirements. It heats my area up nicely and quickly without any smells or drying out my skin.
recommended
Stick
From: Hawkinsville Ga.
2015-10-24
I use this product under my desk at work. I have Raynauds Disease which makes you stay cold in the cooler months and I put it beside me and stay warm all day. This heater passes all safety regulation for Govt office. I am truly happy with this product.
recommended
2015-01-20
With other heaters I could not hear on the telephone due to the noise. This heater is perfectly silent. I am very pleased with the product.
recommended
2014-01-04
Modern look, light weight, simple construction.
Smart design: no place to collect dust (!), easy to store till next heating season. Air-N-Water.com handles orders in a timely and professional way.
recommended
Blueblazer
From: Sunny Florida
2014-01-03
These heaters are a lot smaller than the old ones. They warm the room up nicely and can sit next to the wall out of the way.
All the safety features we want and a thermostat.
recommended
lee
From: Tri-Cities, WA, USA
2014-01-01
this product not only works in my very small and confined area but it isn't conflicting with any other electrical appliances by flipping a breaker. it is keeping the area warm and comfortable with the setting on medium heat during low 20's temps. thank you for inventing this ingenious product. i am using it in the bedroom of a 5th wheel rv.
recommended
2013-12-23
This heater is silent and effective. I suffered from cold feet (literally) since my office tended to get kind of cool with lots of windows. I'm in Seattle and we have our share of cold days. This keeps my feet warm by just sitting it to face my lower legs. Perfect.
recommended
2013-12-22
I work in a cold garage and now that I've put this unit under my desk can stay at my computer for hours in perfect comfort. On the lowest setting it generates just enough heat to keep my feet and lower body warm. Because it's so slim I sometimes move it between chairs in the lunch area. I haven't found a unit like this anywhere else!
recommended
2013-11-25
My wife uses it behind the door at her bathroom. She turns it on at night and in the early morning when she gets up, the bathroom is toasty. She loves it.
recommended
wonderboy
From: Sierra Foothills, Northern California
2013-01-30
I bought this to warm up the space under the desk in my home office. It is just what I needed to keep my feet and legs warm without cranking up the heat in the whole house.
The thin profile is out of the way. It's safe, silent and easy to set up and use. Ordering was easy and delivery was quick.
I do wish it had a built in timer but I will just plug it into a power strip with a timer.
If you need a heater under your desk. It's hard to imagine a better solution.
recommended
SGRich
From: San Gabriel, CA, USA
2013-01-26
My wife uses it behind the door at her bathroom. She turns it on at night and in the early morning when she gets up, the bathroom is toasty. She loves it.
recommended
Zag Mike
From: Seattle, WA, USA
2013-01-24
This heater is silent and effective. I suffered from cold feet (literally) since my office tended to get kind of cool with lots of windows. I'm in Seattle and we have our share of cold days. This keeps my feet warm by just sitting it to face my lower legs. Perfect.
not recommended
Jeanne
From: Ellensburg, WA, USA
2013-01-23
I work in a cold garage and now that I've put this unit under my desk can stay at my computer for hours in perfect comfort. On the lowest setting it generates just enough heat to keep my feet and lower body warm. Because it's so slim I sometimes move it between chairs in the lunch area. I haven't found a unit like this anywhere else!
recommended
Darlene
From: Louisville, KY, USA
2013-01-23
Heats a small space perfectly. Doesn't get too hot only comfortably warm.
recommended
FreezingApartmentGuy
From: Chicago
2013-01-14
The fuses in my apt building blow pretty easy. This one has a low enough power draw that it's no problem---keep in mind that this means it's only suitable for really small areas. I use it to warm up the bathtub overnight so I don't freeze in the shower (remove heater before showering obviously).
The only downside is the feet, as others have noted. I didn't trust them. They're just too flimsy and seemed like they would melt. I replaced them first thing with some scrapwood and four T-brackets, after bending the top of the Ts upward in a vise to hold the heater and screwed the long part of the T into the wood.
I ordered the slightly damaged open box version when it was available and the damage was barely noticeable---a real bargain!
recommended
2013-01-11
Our office was unbearably cold and this unit keeps me toasty warm tucked under my desk. My only negative comment is that the unit itself gets hot to the touch - you wouldn't want it around for children to touch.
recommended
JohnD
From: Pomona, NY, USA
2013-01-08
This portable heater is good for small rooms like bathrooms,bedrooms,and dens.
recommended
BMC 41
From: Myrtle Beach, SC, USA
2013-01-05
This heater is a great space saver. I have had the radiator type before, but this heater is much better. I have limited space and this heater is perfect.
recommended
2012-12-12
Just what I expected! Meets my expectations perfectly. Compared to other space heaters (1000 - 1500 W) it works with 400 W - consumes way less energy. I use it in the bonus room that is above the garage and always a couple degrees colder that all the other rooms. The heater is small, noiseless, heats up fast and warms up the whole room in a couple hours. I placed it in front of the window, so it keeps away the cold from coming in. Now the room is nice and warm when my children come home from school. We love it!
recommended
2012-12-07
The electrict heater uses the same amount of electricity as two overhead light fixtures. When the thormostate is on high the unit puts out a surprising amount of heat. The controls work well. I use the heater by my bed to take the chill off in the mornings before I get up. It is well constructed and easy to move about. This is an excellent small heater for small spaces.
recommended
2012-12-03
This size heater performs as described and a low price. It's low wattage is perfect to run off a generator in an emergency leaving room to run other essentials.
recommended
2012-01-17
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.
recommended
eszter43
From: Charleston, SC, USA
2012-01-13
Just what I expected! Meets my expectations perfectly. Compared to other space heaters (1000 - 1500 W) it works with 400 W - consumes way less energy. I use it in the bonus room that is above the garage and always a couple degrees colder that all the other rooms. The heater is small, noiseless, heats up fast and warms up the whole room in a couple hours. I placed it in front of the window, so it keeps away the cold from coming in. Now the room is nice and warm when my children come home from school. We love it!
recommended
Ricky
From: Pennsylvania, USA
2012-01-09
I bought these low watt heaters to be able to spread the heat out in a larger area. Also don't have to worry about circuit overloads. These guys do get hot to the touch, but then it is a heater!
recommended
Rob19
From: Louisville, KY, USA
2012-01-08
The electrict heater uses the same amount of electricity as two overhead light fixtures. When the thormostate is on high the unit puts out a surprising amount of heat. The controls work well. I use the heater by my bed to take the chill off in the mornings before I get up. It is well constructed and easy to move about. This is an excellent small heater for small spaces.
recommended
bwade77
From: Denver Colorado
2012-01-05
everyone had their own space heater in the office kept blowing fuses until we gave everyone one of these good heat
and more efficient than other heaters and now we arnt blowing fuses Thanks
I am Happy Happy
recommended
JP
From: Fishkill, NY 12524, USA
2012-01-04
This size heater performs as described and a low price. It's low wattage is perfect to run off a generator in an emergency leaving room to run other essentials.
recommended
2011-12-07
I needed a small, quiet heater for under my desk at work. I knew it had to be energy efficient and quiet and this little heater was exactly what I needed. I doesn't take long to heat the area under my desk and the heat rises to keep me warm in a very cold, drafty room. I love my heater!
recommended
Airstreamgirl
From: Chula Vista, CA
2011-01-29
After 7 years in a 50-year old Airstream trailer with no heat, fuses would blow out with the smallest heater and living two blocks from the water, using a flower pot on the stove for a mini-chiminea and having the walls wet all the time, I???_???_??????m in heaven with my wonderful New Air AH-400 space heater . . it keeps the 30-foot space all warm, toasty and dry . . thank you Air ???_???_??????n Water for making my life so luxurious !!
recommended
Father R.
From: Annapolis, MD
2017-12-15
We use the heater in our newly glassed-in porch during late Fall and Winter. The heater makes the room usable, even on cold days.
recommended
New trailer owner
From: Portland, OR, USA
2013-01-28
I bought this because of its low energy demand and lack of fan noise. It heated our 20' camper trailer very well without blowing any fuses. I would like it better if it didn't get hot to the touch, but haven't seen another heater with the features I wanted.
recommended
AJ
From: Los Altos, CA, USA
2013-01-10
The unit heats well. It's design means that it wobbles very slightly on its' little feet. Because it heats well and is space saving I would recommend it, not sure I would leave it on if I'm not home.
recommended
CD
From: Philadelphia, PA
2018-01-02
Product had a slight issue with the switch. I was able to get customer service by phone and email right away to resolve this problem. Thanks.
recommended
Heat seaker Ron
From: Moncton, New Brunswick Canada
2015-12-05
I appreciate this heater very much as the oil holds the heat for a period of time. It provides fast and reliable heat in a smaller space in our home that seems cold. It's compact nature makes it easy to move when not in use and it's light weight allows my wife to move it easily. I have not got a power bill since purchasing it but keeping warm is a great gift.
recommended
2015-11-20
this heater is great because there is no noise; however the plastic feet should be made of more durable plastic.
recommended
2014-01-24
My work has guidelines on what heaters we can use so I had to get one that fit those. This is good under my desk. On max, it gets warm enough but not too warm. It doesn't produce enough heat unless it's under a desk.
recommended
2014-01-03
Well-constructed and a good bang-for-the-buck space heater. I'm using it in larger than recommended space (10'x10') and it adequately supplements the the forced air heating currently in use. I'm certain that if this was used in a 40 sq ft area as recommended, it would perform above and beyond your expectations. Very pleased with this heater... especially compactness of it.
recommended
Nita
From: Pennsylvania, USA
2013-01-09
Purchased this for under my desk at work. Works well. Not instantanious heat if that's what your expecting, but does make it nice and cozy.Feet seems a bit cheap but, didn't break.Could use an additional spot to grab when it's hot. Over all very happy with it for the price!
recommended
Norcal girl
From: Northern California
2013-01-05
The only problem that I have experienced is that every once in awhile it makes a loud cracking noise that can be very startling as you are going off to sleep. I keep checking the feet for cracks but see none as yet. Hope its OK!
recommended
Mel L
From: San Diego, CA, USA
2012-01-01
I chose this heater because my former heater used too much energy and the fan was too loud. This heater slowly radiates heat quietly and uses about half of the wattage. It is very thin and compact so it easy to store.
recommended
2011-01-11
After searching since the summer for personal heaters with energy saving features I finally found this heater. I have a staff of 5 that are always cold and would run their personal heaters that continually blew our fuses. They were not happy to give up the other heater inititally until they tried this one. The heat is direct and radiates around them they were amazed how it keeps them warm. Bonus for me the supervisor, I have a quiet office again since these heaters do not blow out air. The other heaters sounded like a windstorm. Happy employees make better employees.
One final note.......Thank you Air-n-Water for the quick turnaround. I ordered on a Tuesday night at 8:40 and the heaters were in my office on Thursday afternoon. That is service that will keep me coming back when we need more.
recommended
2016-01-09
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".
not recommended
Patricia
From: Lakewood, Co
2015-12-04
Small and quiet, heats up okay, but you cant put it near anything. Heats up a 10x 10 room as long as the door is closed.
recommended
2017-11-21
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.
not recommended
2017-10-01
Many positive reviews are too good to be true.
Bought when on sale.
Used on cold nights as autumn cold air came in. The unit produces heat but you barely feel it even when set on maximum. Placed next to bed on floor and left on during the night. Where was the heat? Waste of money and false advertisement!
not recommended
2018-04-15
I would not recommend this.
2018-01-10
Bought it on sale and thought it would help heat up a cold apartment esp. in the bedroom.
It doesn't heat well since it's so small and it has No timer to shut off automatically.
Best to use it in an ENCLOSED space so the heat stays 'trapped' in a small area.
It's useless Outside of an Enclosed area like a medium-large sized room (i.e. living room, bedroom, kitchen).
Don't waste your money!
Company said it would send a rebate for a review but haven't received anything as it's been 2 months ago!
not recommended
Seriously?!
From: New England
2017-12-29
Small, portable heating unit at a relative low cost with just on/off switch and degree of heat dial but NO timer.
Probably because it's so small, it can NOT generate Enough heat! It's probably meant to use under a desk to warm up your feet but don't expect it warm up your office, despite what some other reviewers say.
Make sure the plastic feet are securely attached to the bottom so it doesn't move.
Turn the heating dial to the Max setting to get any heat from the unit. Be careful and move it when it's not obviously on as the unit does get hot to the touch.
For a small unit, do NOT expect MUCH Warmth/Heat especially on open spaces or larger rooms as it does NOT generate enough heat!
You can use it in your bedroom overnight at (near) the Max setting but it doesn't provide enough warmth especially if you have a large bedroom.
You can use it on carpets/rugs but still be careful! Unplug the unit during the day as a precaution.
not recommended
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