Prices, ratings and stock were checked on Amazon on October 22, 2026. The old list was rebuilt around six units that were in stock.
A small window AC is the cheapest way to cool a bedroom. Here are six that are in stock, how to pick the size and what changed since the 2022 list.
Table of Contents
Window ACs for Small Spaces
A window unit puts the hot parts outside and cools the room from the window. It costs the least per BTU and is the simplest to install. A 5,000 or 6,000 BTU unit suits a bedroom, a dorm or an office. For the full range, see the best window air conditioners.
5,000 or 6,000 BTU?
Five thousand BTU covers about 150 square feet. Six thousand covers about 250. A little extra helps in a sunny room. Too much is wasteful. Check your room with the BTU calculator. We also have dedicated lists of 5,000 BTU air conditioners and 6,000 BTU air conditioners.
Check the Window First
Small units fit double-hung windows within a width and height range. The GE 6,000 BTU listing gives 21.875 to 36 inches wide. The Midea gives 23 to 36 inches wide and 14 inches high. Measure first. A casement window needs a different unit.
Here is where small window ACs are going: more U-shaped inverters, more Wi-Fi and more look-alikes. Midea’s 6,000 BTU U-shape costs $314.99, while a plain GE 6,000 BTU costs $179.99. Features keep climbing and the plain box is holding its price. That is rare in appliances.
6 Small Window ACs Worth Buying
Rechecked on Amazon on October 22, 2026. Prices, ratings and buttons are below.
Price on Amazon: $179.99 | 4.2 stars from 2,853 ratings (checked October 22, 2026)
The GE 6,000 BTU cools up to 250 square feet, with three cooling modes, three fan speeds and a fixed chassis. It costs $179.99, with a 4.2 rating from over 2,800 ratings.
Price on Amazon: $227.69 | 4.2 stars from 781 ratings (checked October 22, 2026)
The Midea 6,000 BTU EasyCool cools, fans and dehumidifies, and runs as low as 52 dB on low. It costs $227.69, with a 4.2 rating from 781 ratings.
Price on Amazon: $209.99 | 4.0 stars from 1,259 ratings (checked October 22, 2026)
The Frigidaire 6,000 BTU cools up to 250 square feet, with a remote, eco mode, three fan speeds, auto restart and 52 dBA operation. It costs $209.99, with a 4.0 rating from over 1,200 ratings.
Price on Amazon: $159.00 | 4.3 stars from 17,700 ratings (checked October 22, 2026)
The Frigidaire 5,000 BTU cools up to 150 square feet, with two fan speeds, auto restart and a washable filter. It costs $159.00, with a 4.3 rating from over 17,000 ratings.
Price on Amazon: $205.99 | 4.4 stars from 12,233 ratings (checked October 22, 2026)
The Midea 5,000 BTU EasyCool cools up to 150 square feet with mechanical controls and a reusable filter. It costs $205.99, with a 4.4 rating from over 12,000 ratings.
Price on Amazon: $314.99 | 4.4 stars from 279 ratings (checked October 22, 2026)
The Midea U 6,000 BTU sits sideways in the window so the window can still open. The listing says it saves more than 37 percent energy, has Wi-Fi and works with Alexa and Google. It costs $314.99, with a 4.4 rating from 279 ratings.
The downside is the old-model problem. Four of the seven models on the old list, like the Danby DAC050 and the hOmeLabs AC-188, no longer match current listings. Brands rename, drop and rebuild lines every couple of years, and old review pages keep ranking after the unit is gone. Expect more dead links. Buy by size and specs, not by a model number from a 2022 list.
Low Profile Matters
A short unit blocks less of the window. Heights vary, so read the listing. Our guide to low profile window air conditioners covers the shortest ones.
Noise and Sleep
The Frigidaire 6,000 BTU lists 52 dBA, and the Midea 6,000 BTU lists 52 dB on low. That is about the level of a quiet office. Use low fan speeds at night. A U-shaped inverter is quieter still, since the window blocks outside noise.
Running Cost
A 6,000 BTU unit draws roughly 500 to 600 watts. At 15 cents a kilowatt hour, that is under 9 cents an hour, or about $20 for a month of eight-hour days.
How to Pick
Best value? The GE. Quiet with a remote? The Midea or the Frigidaire 6,000 BTU. Tiny room on a budget? The Frigidaire or Midea 5,000 BTU. Open window and an app? The Midea U.
FAQ
What size window AC for a small bedroom?
About 5,000 BTU for 150 square feet and 6,000 BTU for 250.
Do small window ACs have remotes?
The 6,000 BTU models here do. The 5,000 BTU units use dials.
How loud are small window ACs?
About 52 dB on low for the Midea and 52 dBA for the Frigidaire.
Which small window AC is cheapest?
The Frigidaire 5,000 BTU at $159.00 as of October 22, 2026.
Final Word
Measure the room and the window. Pick the GE for value, the Midea for quiet and the Midea U for an open window.
What comes next: more inverter small units, more quiet fans and tighter efficiency labels. For a small room, the simple GE or Frigidaire still does the job.
Related Guides
Keep going with best window air conditioners, 5,000 BTU air conditioners, 6,000 BTU air conditioners, low profile window air conditioners and BTU calculator.
