Window Air Conditioner For 400 Square Foot Room


Free shipping on orders over $50!

  • Check Mark Satisfaction Guaranteed
  • Check Mark No Hassle Refunds
  • Check Mark Secure Payments
SKU: d9e8eab2267a Categories: ,


A window air conditioner is a great way to cool down a room, but you need to make sure you’re using the right type of unit for your space.

If you’re looking for an air conditioner that will cool down a 400-square-foot room, then we recommend the [brand] 12,000 BTU window air conditioner. This unit has a 12,000 BTU cooling power, which means it can effectively cool down rooms up to 400 square feet. It also has 3 cooling speeds and 3 fan speeds, so you can control exactly how much airflow is going into your room. It even comes with an energy saver mode that can save up to 40 percent in energy costs per year.

Window Air Conditioner For 400 Square Foot Room

The most important thing to consider when choosing an air conditioner is the size of your room. To find out how much space is in your room, measure from wall to wall and multiply by 2.5 or 3. That will give you a rough idea of how big the space is.

In addition to size, there are a few other factors that will help you determine which AC unit is right for your 400 square foot space:

How many people will be in the room at once? If there’s only one person living in the apartment or house and they’re not going to have any guests over anytime soon, then it’ll probably be fine if they just get a smaller unit (under 5 tons). However, if this person lives with others who might be spending time in their bedroom at any given time, then they should look into getting something larger (around 6-7 tons).

What kind of climate do they live in? If it’s very hot where they live (like Arizona), then they’ll need something that can keep the temperature down during peak hours – maybe even all day long! On the other hand.

If you’re looking for the best window air conditioner for a 400 square foot room, you’ve come to the right place.

We’ve done all the research for you, so you don’t have to. We know that time is money, and we want to help you spend both as efficiently as possible. That’s why we’ve compiled this list of the top-rated window air conditioners on the market—and they’re all available at prices that won’t leave your wallet feeling like it’s been hit by a truck.

The first thing to look at when choosing a window air conditioner is how much space it can cover, because that will determine what size unit is right for your needs. You’ll also need to consider whether or not you want a permanent or portable model—both have their advantages and disadvantages.

And don’t forget about energy efficiency! A lot of people overlook this factor when shopping for an AC unit because they don’t realize how important it can be from both an environmental standpoint and financial one (especially if you get yours through energy savings).

Power Source Corded Electric
Brand AireMax
Model Name
AireMax 12000 BTU 3-in-1 Portable Air Conditioner for Rooms up to 400 Sq Ft with Remote Control, 2 Washable Filters, Exhaust Hose and Window Kit See more
Special Feature Portable,Led Display,Compact,Cooling
Warranty Type Limited
Color White
See moreAbout this item
MAX COOLING IN COMPACT DESIGN: 12,000 BTU (6,500 BTU DOE) portable air conditioner cools rooms up to 400 square feet. Maximum power keeps you comfortable and compact, space-saving body design saves you room.
MAX FLEXIBILITY: With 3 operating modes – cool, fan, and dry – this versatile unit keeps your area cold. 3 fan speeds, adjustable top louvers, and dehumidification up to 78 pints per day keep you reliably comfortable.
MAX PORTABILITY: Push conveniently on four rolling casters using the integrated side handles. Easily adjustable, mobile window installation kit is optimum for both vertical and horizontal windows.
MAX FILTRATION: Dual filters catch pet hair, dust, and other particles to keep them from clogging internal components. Wash and dry the filter periodically to keep your machine in working efficiently.
MAX CONTROL: Multi-colored LED display is modern and sleek without being obtrusive. Top-mounted, easy-to-use electronic controls are supplemented by multifunction remote control. Cord Length-5.9 feetFrom the manufacturer
Electronic LED display
The remote control is accessible without ever having to get up to turn your AC on
3 operating modes include cool, dry, and fan
Dehumidification up to 25 pints/day
2 airflow speeds (high, low)
24-hour timer
Flexible exhaust hose and window venting kit included for simple setup
Caster wheels and side handles make transportation a breeze
AireMax 8,000 BTU Portable Air Conditioner AireMax 10,000 BTU Portable Air Conditioner AireMax 12,000 BTU Portable Air Conditioner AireMax 14,000 BTU Portable Air Conditioner AireMax 14,000 BTU Portable Air Conditioner and Heater
Model Number APO108C APO110C APA112C APE514C APE514H
Product Dimensions (LxWxH inches) 13.39 x 13.00 x 28.15 13.39 x 13.00 x 28.15 14.02 x 11.81 x 30.94 16.85 x 15.08 x 29.22 16.85 x 15.08 x 29.22
Unit Weight (lb) 53 53 60 76 76
Room Size Coverage 200 sq. ft. 300 sq. ft. 400 sq. ft. 500 sq. ft. 500 sq. ft.
Standard 3 Prong Plug ✓ ✓ ✓ ✓ ✓
Remote Control ✓ ✓ ✓ ✓ ✓
BTU Size 8,000 BTUs ASHRAE/ 4,150 BTU DOE 10,000 BTUs ASHRAE/ 5,000 BTU DOE 12,000 BTUs ASHRAE/ 6,500 BTU DOE 14,000 BTUs ASHRAE/ 9,000 BTU DOE 14,000 BTUs ASHRAE/ 9,000 BTU DOE/ 15,000 BTU Supplemental Heat
Dehumidification Capacity (pints/day) 25 25 78 78 78

Window Air Conditioner For 400 Square Foot Room Product Information

Product Dimensions 11.8 x 30 x 14.2 inches
Item Weight 60.6 pounds
Manufacturer AireMax
Country of Origin China
Item model number APA112C
Customer Reviews
425 ratings
3.9 out of 5 stars
Best Sellers Rank #187,905 in Home & Kitchen (See Top 100 in Home & Kitchen)
#298 in Portable Air Conditioners
Warranty Description 1 year parts and labor
Batteries Required? Yes
Included Components Air conditioner, remote control, exhaust hose, window venting kit, manual, warranty, round connector, adaptor
Warranty & Support
User manual User Guide [PDF ]
Would you like to tell us about a lower price?

Buy Now via Amazon