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Portable air conditioners by room size

Discover our 14 product reviews, ratings and buying guides for Portable air conditioners by room size.

Portable Swamp Coolers - 1300 CFM MC18M Evaporative Air Cooler with 2-Speed Fan, 53.4 dB - 500 sq - ft - Coverage Evaporative Air Cooler Portable High Velocity Outdoor Cooling Fan by Hessaire - White

Hessaire

Portable Swamp Coolers - 1300 CFM MC18M Evaporative Air Cool...

A no-frills swamp cooler that actually cools (if your air is dry enough)

8.1/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Genuinely noticeable cooling in hot, dry climates...
- Chews through water in about 3–4 hours per tank; f...
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23,000 BTU 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental Heat Function Bright White 23000 BTU Electronic 230V

LG

23,000 BTU 230V Window-Mounted Air Conditioner with 9,200/11...

A heavy-duty window AC + heater for big rooms that actually pulls its weight

8.1/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Strong cooling and useful supplemental heat for la...
- Very heavy and bulky; requires solid window, likel...
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11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq - Ft - for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White 11800 BTU Cool Only 115V White

LG

11,800 BTU Through the Wall Air Conditioner, 115V, Cools up...

Solid cooling, a few quirks you should know about

6.0/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Strong cooling for medium spaces (up to ~500 sq ft...
- Installation in older or non‑standard sleeves is f...
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5,000 BTU Window Air Conditioner with Remote Control, Cools Up to 150 Sq - Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White 5,000 BTU Electronic Controls

Frigidaire

5,000 BTU Window Air Conditioner with Remote Control, Cools...

A small bedroom unit that mostly just gets the job done

8.3/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Cools small rooms (up to ~150 sq ft) reliably and...
- Can short-cycle if the thermostat sensor wire is t...
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Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to 150 sq ft - with Manual Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White New 5,000 BTU Mechanical Controls White

GE

Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to...

A basic little workhorse for small rooms

8.2/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Cools small rooms (up to ~150 sq ft) effectively,...
- No remote, timer, or smart features – very basic f...
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5,000 BTU Window-Mounted Air Conditioner, Cools Up to 150 Sq - Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White 5,000 BTU Mechanical Controls

Frigidaire

5,000 BTU Window-Mounted Air Conditioner, Cools Up to 150 Sq...

A basic little workhorse for small rooms

8.3/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Cools small rooms (up to ~150 sq. ft.) quickly and...
- Noise is noticeable; not loud enough to be a probl...
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MC37M 3100CFM Evaporative Cooler 3,100 CFM

Hessaire

MC37M 3100CFM Evaporative Cooler 3,100 CFM

A brute-force swamp cooler that actually cools (if your air is dry)

8.1/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Materials ☆☆☆☆☆ ★★★★★
+ Pushes a lot of air and actually cools well in hot...
- Loud on higher speeds and not ideal for quiet indo...
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10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq - Ft - for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White 10000 BTU Cool Only 115V White

LG

10,000 BTU Through the Wall Air Conditioner, 115V, Cools up...

Decent cooling if you respect its limits

6.0/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Good cooling power for small to medium rooms (up t...
- Picky about wall sleeves and ventilation, with ris...
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BLACK+DECKER Smart Portable Air Conditioner,12,000 BTU, for Rooms Up To 550 Sq - Ft., Portable AC with Inverter Compressor & Window Kit, BPACT08NM, White White - 12,000 BTU+Wifi

BLACKDECKER

BLACK+DECKER Smart Portable Air Conditioner,12,000 BTU, for...

A solid, no-frills workhorse for hot rooms

8.0/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Strong, fast cooling for medium-to-large rooms (up...
- Temperature control is not very precise and can le...
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6000-BTU Window Air Conditioner, Up to 250 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Digital Temperature Display, Remote Control, White White 6000 BTU

Amazon Basics

6000-BTU Window Air Conditioner, Up to 250 Sqf, Window AC Un...

Cheap, cold, and a bit noisy

8.3/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Packaging ☆☆☆☆☆ ★★★★★
+ Cools small to medium rooms (up to ~250 sq ft) eff...
- Noticeable noise level, especially on high fan, no...
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8000 Btu Portable Air Conditioners, 3 in 1 Portable AC with Cool, Dry, Fan Modes, Quiet Air Conditioners with 24H Timer & Sleep Modes, with Remote, for Bedroom, Apartments up to 350 Sq.Ft 8,000 BTUs, 2025

EUHOMY

8000 Btu Portable Air Conditioners, 3 in 1 Portable AC with...

Compact unit that cools well but isn’t exactly quiet

8.2/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Cools small rooms (bedrooms/offices) quickly and k...
- Noticeable noise level, even in sleep mode, may bo...
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Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC) AC Unit Only

Whynter

Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidif...

A heavy dual-hose unit that actually cools a big room

8.2/10 ☆☆☆☆☆ ★★★★★
Value for money ☆☆☆☆☆ ★★★★★
Design ☆☆☆☆☆ ★★★★★
Comfort ☆☆☆☆☆ ★★★★★
Durability ☆☆☆☆☆ ★★★★★
+ Dual-hose design cools a 400–500 sq ft room more e...
- Heavy and bulky, not practical to move between roo...
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