Finding the best portable air conditioner under your budget means matching cooling capacity to your room—not just choosing the biggest BTU number. These five options range from compact units for bedrooms and offices to higher-capacity models for larger spaces. Compare their stated room sizes, cooling ratings, controls, and drainage needs before deciding; portable ACs also need a suitable window for the exhaust hose.
| Portable air conditioner | Cooling capacity | Stated room size | Standout feature |
|---|---|---|---|
| BLACK+DECKER 10,000 BTU Portable AC | 10,000 BTU; 5,500 BTU SACC | Up to 450 sq. ft. | Follow Me remote and three operating modes |
| AGTANA 14,000 BTU Portable AC | 14,000 BTU ASHRAE; 10,000 BTU SACC | Up to 700 sq. ft. | Wide-angle auto-swing and self-evaporating system |
| Temprium 10,000 BTU Smart Portable AC | 10,000 BTU ASHRAE; 6,000 BTU SACC | Up to 450 sq. ft. | App, Wi-Fi, and voice control |
| SereneLife 8,000 BTU Portable AC | 8,000 BTU ASHRAE | Up to 300 sq. ft. | Washable filter and three modes |
| Wiytamo 12,000 BTU Smart Portable AC | 12,000 BTU, as listed | Up to 550 sq. ft. | Wi-Fi control and dual drainage options |
Our Picks: Best Portable Air Conditioner Under reviews
1. BLACK+DECKER BPACT10WT: A Practical Pick for Medium Rooms
This BLACK+DECKER unit combines air conditioning, fan, and dehumidifier modes in one portable appliance. It is listed for rooms up to 450 square feet and has a 10,000 BTU rating, with a 5,500 BTU SACC figure also provided. SACC is useful when comparing portable ACs because it accounts for performance under standardized conditions; the different BTU figures should not be treated as identical measurements.
The Follow Me remote can act as a thermostat, so the unit can use the remote’s location to help guide temperature control. Casters and side handles make it easier to move between rooms, while the included window kit provides the parts needed to vent the exhaust. At 15.3 by 14 by 24.8 inches, it is a relatively compact option among these picks, though you still need floor space for the unit and room for its hose.
This is a sensible choice for a bedroom or living area within its stated coverage, especially if you want simple controls instead of app-based features. Its listed cooling capacity is lower than the larger AGTANA and Wiytamo models, so it may be a better fit for a medium room than a broad, open area.
Pros:
- Three modes: air conditioning, fan, and dehumidifier
- Follow Me remote offers temperature sensing at the remote’s location
- Casters and side handles support room-to-room movement
- Window installation kit is included
Cons:
- Lower stated SACC capacity than the larger-capacity options here
- Requires a window setup for the exhaust hose
Verdict: Choose this BLACK+DECKER if you want a straightforward, movable three-in-one unit for a room up to its stated 450-square-foot limit.
2. AGTANA 14,000 BTU: Higher Capacity for Larger Rooms
AGTANA lists this portable AC at 14,000 BTU ASHRAE and 10,000 BTU SACC, with coverage of up to 700 square feet. Those figures make it the highest-capacity option in this group based on the supplied specifications. The product also has a three-speed fan and a wide-angle auto-swing feature intended to spread airflow around a room.
Its three modes cover cooling, fan use, and dehumidifying. The self-evaporating system is designed to send collected moisture out through the exhaust hose during typical use, which may reduce how often you need to drain the unit. For humid conditions, the description also lists a continuous drainage port and an auto-stop sensor. Actual drainage needs can depend on the room’s humidity and operating conditions.
The listed Sleep Mode noise level is 48 dB, and the unit includes a 24-hour timer and a remote with a stated 28-foot range. Those details may suit someone who wants scheduled operation in a bedroom or home office. Its higher capacity and larger-room focus are useful advantages, but you should check that its window kit fits your window and make sure the room size and layout suit the stated coverage.
Pros:
- Highest stated cooling capacity and room coverage in this comparison
- Wide-angle auto-swing helps distribute airflow
- Self-evaporating system plus continuous drainage option
- Sleep Mode and 24-hour timer are included
Cons:
- Its larger-room focus may be more than needed for a small bedroom
- Drainage requirements may vary in high-humidity conditions
Verdict: Consider the AGTANA if you need the largest stated coverage here and value adjustable airflow, but verify window compatibility and drainage needs before buying.
3. Temprium 10,000 BTU: Smart Controls for Everyday Cooling
The Temprium is rated at 10,000 BTU ASHRAE and 6,000 BTU SACC, with a stated room size of up to 450 square feet. It offers cooling, fan, and dry modes, along with adjustable temperatures from 60°F to 86°F. Its specifications make it a medium-room option, though the listed cooling figures are lower than the AGTANA’s.
Its main distinction is smart control. You can use the app, a compatible Alexa or Google Assistant device, the included remote, or the touch panel. The app also supports scheduling, and the unit has a 24-hour timer. For shoppers who want to adjust settings without walking over to the AC, these controls add flexibility; they are less important if you prefer a basic remote and panel.
The listed Sleep Mode noise level is as low as 50 dB, and the product description says its atmosphere light can be turned off. A window kit is listed for sliding windows from 20 to 49.02 inches. Check your window measurements and the kit’s installation directions before purchase. The product information provided for this listing says it is unavailable, so confirm its current listing status if this model interests you.
Pros:
- App, voice, remote, and touch-panel control options
- Cooling, fan, and dry modes
- Sleep Mode, scheduling, and a 24-hour timer
- Window kit is listed for a range of sliding-window sizes
Cons:
- Listed SACC capacity is below the AGTANA’s
- Availability may need to be confirmed on the product listing
Verdict: The Temprium stands out for app and voice control, but check availability and window fit before choosing it over a simpler, readily listed option.
4. SereneLife 8,000 BTU: A Compact Choice for Smaller Rooms
SereneLife lists this model at 8,000 BTU ASHRAE for rooms up to 300 square feet. It combines AC, fan, and dehumidifier modes, making it a useful basic option for a smaller bedroom, office, or other enclosed space. Because its stated coverage is the smallest in this comparison, it is not the first choice for a large living room or open-plan area.
The unit includes a window vent kit with an exhaust hose, installation plate, and hose connector. Castors make it easier to roll between rooms, while a remote and control panel provide ways to change settings. The washable, removable filter is a practical feature for routine upkeep. Its listed operating noise is 54 dBA, so shoppers who are especially sensitive to sound may want to compare that figure with the quieter Sleep Mode claims on other models.
The product description also lists a 24-hour timer and low power consumption, but it does not provide a specific energy-use figure. Its cooling capacity and simple controls make it more focused on smaller spaces than on advanced app features or large-room coverage. The supplied product information says this listing is unavailable, so check its current status before making it your pick.
Pros:
- Three modes for cooling, fan use, and dehumidifying
- Washable, removable filter
- Includes a window kit and remote
- Castors help with moving the unit
Cons:
- Stated coverage is limited to rooms up to 300 square feet
- Listed as unavailable in the supplied product information
Verdict: Choose the SereneLife for a smaller room if its current listing is available and its stated noise level works for your space.
5. Wiytamo 12,000 BTU: Smart Cooling with Flexible Drainage
Wiytamo lists this portable AC at 12,000 BTU for rooms up to 550 square feet. The supplied specifications do not identify an ASHRAE or SACC measurement for that figure, so compare it carefully with models that provide both ratings. It offers three functions—cooling, dehumidifying, and fan mode—and a stated temperature range of 61°F to 90°F.
Wi-Fi and app control let you change settings remotely, while the unit also has a remote and top LED display. Its window kit is listed for vertical or horizontal windows from 25.6 to 50.2 inches. Built-in handles and 360-degree wheels help with moving it, although the exhaust hose still needs to be reinstalled or repositioned when you move the AC to another room.
The self-evaporating system is intended to reduce how often manual draining is needed. For added flexibility, the description lists top and bottom drain options. The product information supplied says this model is unavailable, so check its current listing status. Its larger stated coverage and smart features may appeal to shoppers who need more than a basic bedroom unit, provided the window dimensions and drainage setup suit their home.
Pros:
- Stated coverage of up to 550 square feet
- App and remote controls, plus a top display
- Cooling, fan, and dehumidifier modes
- Self-evaporation and two drainage options
Cons:
- Supplied information does not specify an ASHRAE or SACC rating
- Listed as unavailable in the supplied product information
Verdict: The Wiytamo is worth considering for its smart controls and drainage options if it becomes available and its window kit fits your home.
How to Choose a Portable Air Conditioner
Match the cooling capacity to your room
Start with the room’s square footage, then compare it with the manufacturer’s stated coverage. The options here range from 300 to 700 square feet, but room shape, ceiling height, sunlight, and heat from appliances can affect how well an AC cools. A unit near its stated limit may not be the best fit for a very sunny or open space.
Compare BTU ratings carefully
Portable AC listings may show different BTU figures, including ASHRAE and SACC ratings. When both are available, compare the same type of rating across models rather than relying only on the largest number in a title. In this group, the BLACK+DECKER, AGTANA, and Temprium listings include SACC figures; the supplied Wiytamo and SereneLife information does not.
Measure your window before you buy
Portable ACs need an exhaust hose that vents outdoors, so check that your window can accommodate the included kit. Measure the opening and compare it with the product’s listed range. Also consider whether the window opens vertically or horizontally and whether the hose can reach without sharp bends or blocking a walkway.
Think about humidity and drainage
Most of these units include a dehumidifier mode, and some use self-evaporating systems to reduce routine draining. That does not mean every unit will never need to be drained. Humid rooms can collect more moisture, so look for a continuous drain option if you expect to run the AC for long periods or use it in a damp space.
Choose controls that fit your routine
A remote is useful when the AC is across the room, while app and voice controls can make it easier to adjust settings from elsewhere. Timers and sleep modes can help you schedule operation. If you do not need smart features, a model with a straightforward panel and remote may be simpler to use.
Plan for sound, placement, and movement
A portable air conditioner takes up floor space and needs to sit close enough to a window for its exhaust hose. Check the listed sound level if you plan to use it in a bedroom or office. Casters and handles can make moving the unit easier, but moving it may also mean changing the hose and window setup.
Frequently Asked Questions
What does SACC mean on a portable air conditioner?
SACC is a standardized cooling-capacity rating used for portable air conditioners. Some product listings also show an ASHRAE BTU figure, which is measured differently. When comparing models, use the same rating type where possible instead of treating the numbers as interchangeable.
Does a portable air conditioner need a window?
These models are designed to vent hot air through an exhaust hose and include a window kit. You will need a suitable place to route the hose outdoors. Check the kit dimensions and your window style before choosing a unit.
Can I move a portable AC from room to room?
The BLACK+DECKER, AGTANA, SereneLife, and Wiytamo descriptions list wheels, casters, or handles to help with movement. However, you still need to set up the exhaust hose at a window in each room, and the unit’s coverage is best suited to the room size stated for that model.
Do portable air conditioners need to be drained?
Drainage needs depend on the model and the humidity in your room. Some units have self-evaporating systems that reduce manual draining, while others provide continuous drain ports or drain outlets. Check the instructions for your chosen model, especially if you plan to use it in a humid area.
Which of these units is best for a small bedroom?
The SereneLife is listed for rooms up to 300 square feet, while the BLACK+DECKER and Temprium are listed for up to 450 square feet. Measure your room and consider its sunlight and layout. For a smaller room, a higher-capacity model may be more than you need.
Which model has the most room coverage?
The AGTANA has the largest stated coverage in this comparison, at up to 700 square feet. Actual results can vary with room layout and conditions, so treat that figure as a guide rather than a guarantee.
Final Recommendation
For a balanced option with a stated 450-square-foot range, three operating modes, a Follow Me remote, and included window kit, the BLACK+DECKER is a strong place to start. Choose the AGTANA if you need the largest stated room coverage, or look at the Temprium and Wiytamo if smart controls are a priority and their listings are available. Before you buy, confirm the current listing, window fit, and cooling rating that best matches your room.