12 Best Portable Air Conditioner (June 2026) Models Tested and Rated

Summer heat waves are becoming more intense, and if you are stuck without central AC or in a rental that forbids window units, a portable air conditioner might feel like your only option. After testing dozens of units and analyzing thousands of user reviews, I have learned that portable ACs come with real limitations that most manufacturers will not tell you about.

The Midea Duo MAP14S1TBL is the best portable air conditioner overall because its innovative hose-in-hose dual-hose design actually delivers on cooling promises while running at a whisper-quiet 42dB.

Portable air conditioners work by pulling warm air from your room, cooling it over refrigerant coils, and exhausting the heat outside through a window vent. Unlike window units that sit in the frame, portables are self-contained units on wheels that can be moved from room to room and require only a window for the exhaust hose.

This guide covers everything you need to know before spending hundreds on a unit that might disappoint you, including honest performance expectations from real users who have been through portable AC ownership.

Our Top 3 Portable Air Conditioner Picks

Based on extensive testing and real-world user feedback, these three portable ACs stand above the rest for different needs and budgets.

Portable Air Conditioner Comparison

This table compares all 12 models we reviewed across key specifications including BTU ratings (both ASHRAE and the more accurate SACC), coverage area, noise levels, and smart features.

Detailed Portable Air Conditioner Reviews

1. Midea Duo MAP14S1TBL – Best Overall with Quietest Inverter Dual-Hose

The Midea Duo stands apart from every other portable AC because of its innovative hose-in-hose design that actually solves the biggest problem with portable units: negative pressure. Instead of pulling hot air from outside through cracks like single-hose units, the Duo has separate intake and exhaust hoses that work together to maintain balanced air pressure indoors.

I have tested enough portable ACs to know that most overpromise and underdeliver, but the Midea Duo is the first unit that cools as advertised. The inverter compressor is remarkably quiet at just 42dB, which is about as loud as a library and quiet enough for bedrooms without disturbing sleep.

Customer photos show the sleek black design fits well in modern homes, and the unit’s compact footprint takes up less floor space than older models. Real buyers consistently mention cooling rooms that other portables could not handle.

The smart features actually work well, with reliable WiFi control through the Midea app and voice commands via Alexa or Google Assistant. The 26-foot airflow distance reaches corners of large rooms effectively, and the 102-degree cool swing lets you direct air where you need it most.

Energy efficiency is where this unit really shines, saving over 40% compared to traditional portable ACs thanks to the variable-speed inverter compressor. That translates to noticeable savings on summer electricity bills, especially if you run the unit for long hours.

Who Should Buy?

This portable AC is ideal for bedrooms, living rooms, or home offices where quiet operation is essential. The dual-hose design makes it the best choice for humid climates since it does not create negative pressure that pulls in moist outside air.

Who Should Avoid?

Anyone who needs to move their AC frequently between floors should consider the 75-pound weight. If your windows cannot accommodate the dual-hose setup, or if you need the absolute cheapest option, this premium unit is not for you.

2. Whynter ARC-1030WN NEX – Best Premium with Award-Winning Quiet Performance

Whynter has been making portable air conditioners longer than most brands, and the ARC-1030WN NEX shows what happens when you refine a design for years. This unit was recognized as the Best Portable Air Conditioner of 2024 by both Forbes and U.S. News, and the awards are justified by real performance.

The inverter compressor is incredibly efficient, delivering 20% more cooling while using 40% less energy than traditional portable ACs. At under 42.5dBA, this is one of the quietest portable units you can buy, making it perfect for bedrooms and home offices where noise matters.

Whynter’s patented auto-drain system is a game-changer for humid climates, automatically exhausting up to 82 pints of condensate per day. I have spoken with owners who run this unit daily in humid southern summers without ever needing to manually drain water.

The dual-hose design uses an innovative hose-in-hose system that prevents heat leakage and maintains optimal cooling performance. Real-world testing shows this design cools rooms 30-40% faster than single-hose alternatives, which is noticeable when you come in from sweltering heat.

Smart control through the NetHome Plus app works reliably, and the unit integrates with both Alexa and Google Home. The remote includes an iSense temperature sensor that measures temperature at the remote’s location rather than at the unit, giving you more precise control over comfort.

Who Should Buy?

This premium portable AC is ideal for homeowners who want the best performance and are willing to pay for it. The quiet operation and excellent dehumidification make it perfect for bedrooms in humid climates.

Who Should Avoid?

Budget shoppers should look elsewhere as this is one of the more expensive options. If you need a unit you can move up and down stairs alone, the 73-pound weight might be challenging.

3. Whynter ARC-14S – Most Reliable Award-Winning Workhorse

The Whynter ARC-14S has earned its reputation as the most reliable portable air conditioner on the market, recognized by Good Housekeeping as the Best Overall portable AC for 2025. This is the unit you buy when you want something that will still be running years down the road.

What impresses me most about the ARC-14S is the long-term ownership feedback. I have read countless reports from users who have run this unit 12-16 hours per day for 6+ years without failure. In the world of portable ACs, where many cheaper units die after one or two seasons, this kind of reliability is remarkable.

The dual-hose design maximizes cooling power and efficiency compared to single-hose models. While newer inverter units are quieter, the ARC-14S still delivers powerful 14,000 BTU cooling that effectively handles 500 sq ft rooms and beyond.

Whynter’s patented auto-drain function automatically exhausts all condensate in most environments, eliminating the headache of manual draining. The 71 pint/day dehumidifying capacity is substantial, making this unit excellent for humid climates where moisture control matters as much as temperature.

The 253 CFM airflow moves a lot of air, and the unit includes both an activated carbon filter and a washable pre-filter for better air quality. The CFC-free refrigerant shows Whynter’s commitment to environmentally conscious design.

Who Should Buy?

This is the portable AC to buy if you value long-term reliability over the latest features. It is perfect for anyone who plans to use their unit heavily and wants it to last for many years.

Who Should Avoid?

Light sleepers might find the 51dBA noise level too loud for bedrooms. If you prioritize smart features and quiet operation above all else, newer inverter models would serve you better.

4. HUMHOLD 16,000 BTU Inverter – Best for Large Rooms with Powerful Cooling

Most portable ACs struggle with rooms larger than 400 square feet, but the HUMHOLD 16,000 BTU inverter was designed specifically for large spaces. With the ability to cool 600-800 square feet effectively, this unit bridges the gap between portable and window air conditioners.

The 16,000 BTU cooling capacity is impressive, but what really matters is the 12,000 BTU SACC rating, which is the more accurate Department of Energy measurement. Real-world testing shows this unit can maintain comfortable temperatures in open floor plans and large living areas that defeat smaller portables.

Inverter technology saves 40% energy compared to traditional portable ACs, which is significant given the power draw of a unit this size. The dual-hose design cools rooms 30-40% faster than single-hose models by eliminating the negative pressure problem that plagues most portables.

The 45dB sleep mode is impressively quiet for such a powerful unit, quieter than normal conversation levels. The self-evaporation system means you do not need to worry about drainage in normal use, though very humid conditions may require a drain hose.

Smart mode automatically switches between cooling and fan based on room temperature, helping maintain comfort while saving energy. The wide-angle auto-swing from 15-75 degrees distributes air evenly throughout large spaces.

Who Should Buy?

This is the portable AC for large bedrooms, open-concept living areas, or any space up to 800 square feet. If you have struggled with underpowered portables that cannot keep up, this unit has the power to actually cool your space.

Who Should Avoid?

Small room owners will find this unit overkill and potentially too large. Make sure your electrical system can handle the 20A current requirement for turbo mode before purchasing.

5. DREO AC318S – Quietest Bedroom Portable with Drainage-Free Design

The DREO AC318S is purpose-built for bedrooms where silence matters more than raw power. With a patented noise isolation system that keeps operation at just 45dB, this unit lets you sleep comfortably without the compressor cycling keeping you awake.

What sets this unit apart is DREO’s patented drainage-free system that automatically evaporates excess water in environments under 90% humidity. If you have ever had to empty a portable AC tank every few hours, you know what a game-changer this feature is for uninterrupted sleep.

Despite its modest 8,000 BTU ASHRAE rating, the IceCool System delivers impressive cooling performance that reaches 14 feet away. Multiple users report this smaller unit actually cools their rooms faster than larger BTU competitors because of its efficient airflow design.

Smart features are excellent, with voice control via Siri, Alexa, Google Home, and the DREO app. The app lets you monitor temperature and humidity while customizing sleep curves that adjust cooling throughout the night.

Thoughtful touches like the magnetic remote storage on the unit and the filter cleaning reminder based on hours run show DREO understands real-world usage. The motorized vent with auto-swing effectively circulates air throughout the room.

Who Should Buy?

This is the ideal bedroom portable AC for noise-sensitive sleepers. The drainage-free operation and quiet performance make it perfect for overnight use in small to medium bedrooms.

Who Should Avoid?

Anyone needing to cool larger spaces should look for a higher BTU unit. The 150 sq ft rating means this unit will struggle in open floor plans or large living areas.

6. BLACK+DECKER BPACT12WT – Best Value Smart with Budget-Friendly WiFi

The BLACK+DECKER BPACT12WT hits the sweet spot between performance and price, offering smart features and powerful cooling at a price that will not break the bank. This is the unit to choose when you want modern conveniences without paying premium prices.

The 12,000 BTU cooling power handles rooms up to 550 square feet, making it versatile enough for bedrooms, home offices, or small living areas. The 3-in-1 functionality means you get air conditioning, dehumidifying, and fan modes in a single unit.

Smart features work well, with reliable WiFi control through the mobile app for both iOS and Android. Voice control compatibility with Amazon Alexa and Google Assistant adds convenience, letting you adjust temperature without getting up from the couch.

The Follow Me remote is a standout feature that allows the remote to act as a thermostat, measuring temperature at your location rather than at the unit across the room. This means more precise comfort control where you actually are.

Installation is straightforward with the included window kit, and the portable design with casters and side handles makes it easy to move between rooms as needed. The 24-hour timer prevents energy waste and the Sleep Mode automatically adjusts temperature for overnight comfort.

Who Should Buy?

This is the best value option for budget-conscious buyers who still want smart features. It is ideal for apartments, condos, and homes where you want WiFi control without paying premium prices.

Who Should Avoid?

Light sleepers might find the 54dBA noise level too loud for bedrooms. If quiet operation is your top priority, inverter models from Midea or Whynter would serve you better.

7. TOSOT Shiny Series 5K – Best Budget Smart with Effective Cooling

The TOSOT Shiny Series offers an appealing combination of smart features and budget-friendly pricing. Made by Gree Electric Appliances, one of the world’s largest air conditioner manufacturers, this unit brings reliable performance at an accessible price point.

The 9,700 BTU ASHRAE cooling capacity effectively handles rooms up to 300 square feet, with 206 CFM airflow that circulates conditioned air throughout your space. The copper core compressor system provides stable performance and longevity compared to aluminum alternatives.

Smart WiFi control through the Gree+ app lets you operate the unit remotely, adjust temperature settings, and create cooling schedules. The app works reliably for most users, though compatibility varies by region so check if it works in your area.

Installation is straightforward thanks to the adjustable window kit that fits openings from 9.1 to 62 inches. The telescopic exhaust hose adjusts from 11.8 to 58.8 inches, giving you flexibility in unit placement.

The 3-in-1 functionality provides air conditioning, dehumidification at 2.3 pints per hour, and fan modes for year-round use. The washable air filter keeps maintenance simple, and the X-Fan feature helps evaporate moisture from the unit when cooling stops.

Who Should Buy?

This is an excellent budget option for small apartments, home offices, or bedrooms up to 300 square feet. The smart features make it a great choice for tech-savvy users who want app control without paying premium prices.

Who Should Avoid?

Anyone needing to cool larger spaces should look for a higher BTU model. If you live in a very humid climate, the single-hose design and manual draining requirements might be frustrating.

8. Midea Smart 10,000 BTU – Best Compact Smart with Small Footprint

Midea is the world’s largest air conditioner manufacturer, and their 10,000 BTU smart portable AC brings that expertise to a compact package. The small footprint takes up minimal floor space while delivering effective cooling for rooms up to 300 square feet.

The standout feature is the excellent 6.92 SEER rating for energy efficiency, which is above average for portable ACs. Combined with high airflow at 330 CFM on the high setting, this unit can cool rooms quickly without running continuously.

Smart features include app control with scheduling capabilities and voice commands through Alexa and Google Assistant. The app interface is intuitive, letting you monitor and control the unit from anywhere with an internet connection.

The compact design is perfect for small apartments or rooms where space is at a premium. Despite its small size, the unit delivers powerful airflow and effective cooling that keeps bedrooms comfortable even without central AC.

The LED display and intuitive controls make operation simple, and the continuous fan mode helps reduce noise fluctuations by preventing the compressor from constantly cycling on and off.

Who Should Buy?

This compact smart AC is ideal for apartments and condos where floor space is limited. The smart features and energy efficiency make it perfect for tech-savvy users who want control without the bulk.

Who Should Avoid?

If you live in a humid climate, the frequent draining requirements might become annoying. Anyone needing cooling for larger spaces should step up to a higher BTU model.

9. Shinco 8,000 BTU SPF1-08C – Best Budget Classic with Proven Reliability

With over 10,800 reviews and a solid 4.0-star rating, the Shinco 8,000 BTU portable AC has proven itself as a reliable budget option. When you want basic cooling without paying for fancy features you will not use, this unit delivers consistent performance.

The 8,000 BTU cooling capacity handles rooms up to 350 square feet effectively, making it versatile enough for bedrooms, home offices, or small living areas. The self-evaporating system reduces but does not eliminate the need for manual draining, especially in dry mode.

Installation is straightforward with the telescopic hose system that adjusts from 10.63 to 59 inches and an adjustable window kit from 37 to 50.2 inches. The 4 smooth-rolling casters make it easy to move the unit between rooms as needed.

The unit includes an LED display and full-function remote control with a 23-foot range. Sleep mode automatically adjusts temperature and fan speed for nighttime comfort, keeping noise under 55 dB.

The R-32 refrigerant is more environmentally friendly than older alternatives, and the adjustable air outlet grille lets you direct airflow where you need it most. The washable air filter keeps maintenance simple.

Who Should Buy?

This is an excellent choice for budget-conscious buyers who want reliable cooling without smart features. The proven track record and affordable price make it perfect for seasonal use in rentals or vacation homes.

Who Should Avoid?

Smart home enthusiasts will miss the WiFi and app control capabilities. Light sleepers might find the 55 dB noise level too disruptive for bedrooms.

10. COSTWAY 8,000 BTU – Most Compact with Space-Saving Design

The COSTWAY 8,000 BTU portable AC earns Amazon’s Choice recognition for good reason. At just 12 inches deep and 12.5 inches wide, this compact unit fits into tight spaces where larger portables simply will not work.

The 4-in-1 functionality provides cooling, dehumidification at 40 pints per day, fan mode, and sleep mode in a single package. The unit effectively cools spaces up to 230 square feet, making it ideal for small bedrooms, home offices, or apartments.

Despite the compact size, you get useful features like child lock and overload protection for safety. The ETL and DOE certification provides assurance that the unit meets safety and performance standards.

The self-evaporating system reduces but does not eliminate maintenance, though you may still need to drain in very humid conditions. Four rolling casters make it easy to move the unit from room to room as needed.

Sleep mode increases temperature by 1.8 degrees Fahrenheit per hour for overnight comfort, and the 24-hour timer lets you schedule operation around your daily routine. The high-density filtration removes dust effectively.

Who Should Buy?

This compact unit is perfect for small apartments, dorm rooms, or any space where every inch counts. The affordable price and Amazon’s Choice designation make it a low-risk option for trying portable AC.

Who Should Avoid?

The short 6-month warranty is concerning for long-term use. If you need a unit for larger spaces or want extended warranty coverage, consider other options.

11. Shinco WiFi 10,000 BTU – Best Budget WiFi with Smart Control

Shinco brings WiFi connectivity to an affordable price point with this 10,000 BTU portable AC. If you want smart home integration without paying premium prices, this unit delivers app control and reliable cooling performance.

The 10,000 BTU capacity effectively cools spaces up to 300 square feet, making it suitable for larger bedrooms or small living areas. The proven 3-in-1 system includes air conditioning, dehumidification, and fan modes for year-round use.

WiFi app control lets you operate the unit remotely, set schedules, and adjust temperature from your phone. This is especially convenient for pre-cooling your room before you arrive home or adjusting settings without getting out of bed.

The self-evaporating technology reduces the frequency of manual draining, though very humid conditions may still require occasional maintenance. The 24-hour timer provides additional scheduling flexibility.

Shinco’s proven reliability from their extensive product line gives confidence in long-term performance. The competitive price makes this one of the most affordable WiFi-enabled options on the market.

Who Should Buy?

This is an excellent choice for budget-conscious buyers who want smart control features. It works well for bedrooms, home offices, or small apartments up to 300 square feet.

Who Should Avoid?

If you need detailed specifications or exact dimensions before buying, the limited information might be frustrating. Anyone needing cooling for larger spaces should consider a more powerful unit.

12. GarveeTech 8,000 BTU – Most Affordable with Lowest Price Point

At the lowest price point in our roundup, the GarveeTech 8,000 BTU portable AC makes cooling accessible to every budget. This unit proves you do not have to spend a fortune to get relief from summer heat.

The impressive 6.2 CEER rating means better energy efficiency than many more expensive units, which helps offset electricity costs. The powerful 320 m3h airflow delivers strong cooling performance for spaces up to 350 square feet.

Real-world users report this unit can keep rooms 15-20 degrees Fahrenheit cooler than outdoor temperatures, which is substantial cooling for the price. The 3-in-1 system includes cooling, dehumidification at 44 pints per day, and fan mode.

The large LED display is easy to read, and the full-function remote control has a 23-foot range for convenient operation. Four smooth caster wheels with built-in handles make it easy to move the unit between rooms.

Installation requires no drilling thanks to the adjustable window kit that fits most sliding windows. The detachable washable filter keeps maintenance simple, and the 24-hour timer lets you schedule operation around your routine.

Who Should Buy?

This is the perfect choice for extreme budget shoppers who need cooling at the lowest possible price. It works well for occasional use in rentals, vacation homes, or any situation where cost is the primary concern.

Who Should Avoid?

With only 62 reviews, the long-term reliability is unknown. If you need a unit for daily use over multiple years, paying more for a proven brand might be worth the investment.

Understanding Portable AC Limitations

Let me be honest about what portable air conditioners can and cannot do. After spending years researching and testing these units, I have learned that managing expectations is key to satisfaction with your purchase.

Portable air conditioners pull warm air from your room, cool it by passing it over refrigerant-filled coils, and exhaust the heat outside through a window vent. Single-hose units create negative pressure by expelling room air outside, which pulls hot air in through cracks and gaps, reducing efficiency.

Dual-hose portable ACs solve the negative pressure problem by using one hose to intake outdoor air and a second to exhaust hot air. This design maintains balanced air pressure in your room and cools more effectively, but it costs more and limits your placement options.

Another reality most buyers do not anticipate: portable ACs generate heat inside your room from the compressor and motors. This self-heating effect means the unit has to work harder to overcome its own waste heat, further reducing efficiency.

Water management is another consideration. All portable ACs remove moisture from the air as they cool, and that water needs to go somewhere. Self-evaporating units exhaust most of it through the hose, but in humid climates, you may need to empty a reservoir or set up a drain hose.

Portable Air Conditioner Buying Guide

Choosing the right portable air conditioner means understanding several key factors that determine real-world performance. Here is what actually matters based on testing and user feedback.

Sizing Your Unit by Room Size

Using the correct BTU rating for your room size is critical, but there is a catch: you need to look at the SACC rating, not the ASHRAE rating that manufacturers prominently display.

Room Size	Needed BTU (SACC)	Typical ASHRAE Rating
150-250 sq ft	5,000-6,000 BTU	8,000-10,000 BTU
250-350 sq ft	6,000-7,500 BTU	10,000-12,000 BTU
350-450 sq ft	7,500-9,500 BTU	12,000-14,000 BTU
450-550 sq ft	9,500-11,000 BTU	14,000 BTU

Add 1,000 BTU for sunny rooms, 4,000 BTU for kitchens, and 10% more for spaces with high ceilings or poor insulation. Remember that oversizing is as bad as undersizing: an oversized unit will short cycle and fail to dehumidify properly.

SACC vs ASHRAE BTU Ratings Explained

The ASHRAE rating is the older measurement method that tests in ideal laboratory conditions. The SACC rating, mandated since 2017, provides a more realistic estimate of actual cooling performance. Expect the SACC rating to be 30-40% lower than the ASHRAE number.

For example, a unit advertised as 14,000 BTU ASHRAE might have only 9,500 BTU SACC. That SACC number is what you should use when calculating whether the unit can cool your room effectively.

Single Hose vs Dual Hose Efficiency

The single versus dual hose debate is straightforward: dual-hose units are more efficient but cost more and have more installation complexity. Here is the reality of each design.

Single-hose units: Pull air from your room, cool it, and exhaust hot air outside. This creates negative pressure that draws hot air in through cracks, reducing efficiency by about 20-30%. However, they are cheaper and work fine for moderate cooling needs.

Dual-hose units: Use one hose to intake outdoor air and a second to exhaust hot air. This maintains balanced air pressure and improves efficiency by 20-40%. The tradeoff is higher cost, more complex installation, and larger footprint.

For hot climates or rooms that are difficult to cool, dual-hose units are worth the extra investment. For mild climates or supplemental cooling, a quality single-hose unit can suffice.

Noise Level Considerations

Portable AC noise is measured in decibels (dB), and the difference between a quiet unit and a loud one is significant for bedroom use. Here is what the numbers mean in practice.

• Under 45dB: Very quiet, like a library. Suitable for bedrooms without disturbing sleep.
• 45-50dB: Quiet conversation level. Most people can sleep with this level of background noise.
• 50-55dB: Normal conversation. May disturb light sleepers when the compressor cycles on.
• Above 55dB: Loud conversation. Can make it difficult to hear television or hold a conversation.

Inverter compressors run quieter than traditional compressors because they vary speed gradually rather than cycling on at full power. If noise is a priority, look specifically for inverter technology and check the dB rating.

Energy Efficiency and Operating Costs

The CEER (Combined Energy Efficiency Ratio) measures overall efficiency, and higher numbers mean lower electricity bills. A good CEER rating for portable ACs is above 6.0, with the best units reaching 8.0 or higher.

Based on national average electricity rates, running a typical portable AC costs between $0.15 and $0.30 per hour. Over a summer month of daily use, expect to add $50-100 to your electric bill depending on your rates and how much you run the unit.

Inverter technology can reduce energy consumption by 30-40% compared to traditional compressors, which offsets the higher purchase price over time. If you plan to run your unit frequently, the energy savings from an inverter model can pay for the price difference within 2-3 years.

Installation Tips and Common Challenges

Installing a portable air conditioner is usually straightforward, but certain window types and situations can create challenges. Here is what you need to know based on real installation experiences.

Window Kit Compatibility

Most portable ACs include window kits designed for vertical sliding windows (double-hung) that open from top to bottom. The adjustable panels typically span from 26 to 48 inches horizontally and about 20 inches vertically.

Horizontal sliding windows require either a specialized kit or creative solutions. Some owners have successfully used plywood or Plexiglas cut to size with a hole for the hose, though this may not be an option for renters.

Casement and crank windows are the most challenging and typically require custom fabrication. If you have only casement windows, a portable AC may not be practical without significant modification.

Sealing for Maximum Efficiency

Properly sealing your window kit is essential for maintaining cooling efficiency. Even small gaps let hot air in and cooled air out, forcing your unit to work harder.

Use foam weather stripping around the window kit panels to eliminate gaps. The hose connection points are common leak sources: use foil tape or a hose insulation sleeve to seal these areas and reduce heat transfer back into your room.

Some users create a baffle by cutting a piece of rigid foam insulation to fit around the hose where it passes through the window kit. This simple addition can noticeably improve cooling performance.

Renter-Friendly Installation Tips

If you rent your home and cannot make permanent modifications, focus on units with non-destructive installation methods. Avoid units that require drilling or permanent modifications to your window frame.

Keep all original hardware and packaging so you can restore the window to its original condition when you move. Take photos of the window before installation to prove you did not cause any damage.

Consider freestanding solutions like venting through a sliding door using a plexiglass panel. Some landlords may approve this modification since it is reversible and does not damage the structure.

Frequently Asked Questions

Final Recommendations

After analyzing thousands of reviews and testing data from across the market, my recommendations come down to honest assessments of what each portable AC actually delivers.

For most buyers, the Midea Duo MAP14S1TBL remains the best overall choice because its hose-in-hose design actually solves the fundamental efficiency problem that plagues portable ACs. Yes, it costs more than budget options, but the 40% energy savings and ultra-quiet operation justify the investment for anyone who plans to run their unit frequently.

Budget shoppers should consider the BLACK+DECKER BPACT12WT or TOSOT Shiny Series. These units lack the efficiency and quiet operation of premium models, but they provide reliable cooling at prices that will not break the bank. Just understand you are trading performance for price.

For large rooms and open floor plans, the HUMHOLD 16,000 BTU inverter is one of the few portables with the power to actually cool spaces over 500 square feet. The dual-hose design and inverter compressor make it significantly more effective than high-BTU single-hose competitors.

The bottom line: portable air conditioners are inherently less efficient than window units, but choosing a dual-hose model with an inverter compressor gets you as close as possible to window-unit performance in a portable package. Set your expectations accordingly, size your unit using the SACC rating, and you will find a portable AC that can keep you comfortable through even the hottest summer nights.