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Power through peak summer heat with the DREO Portable Air Conditioner 740S. Adaptive inverter tech and a dual-hose design deliver faster, more efficient cooling, while 10,000 BTU power cools rooms up to 400 sq ft with ease. Its drainage-free design means less maintenance and uninterrupted comfort, all at just 42 dB.
If you're not 100% satisfied, you can return your undamaged product within 30 days for a full refund, no questions asked. For non-defective returns, the buyer is responsible for return shipping costs. Once your item arrives at our warehouse and passes inspection, we'll promptly process your product refund.
All new DREO products are protected by our reliable warranty, with coverage against material defects and workmanship for 12 months from the date of purchase (refurbished or second-hand products are not covered).
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Drainage: Real Drainage-Free in Environments Below 90% Humidity
Lowest Noise Level: 42 dBA
Smart Connectivity: Yes
Control Method: App, Touch Panel, Remote Control, Voice Control
Smart Compatibility: Alexa, Google Assistant
Air Volume: 235 CFM
Airflow Distance: 19.7 ft
Oscillation: 60–90 Degrees Vertical Auto Swing
CEER: 12
Refrigerant: R32
Modes: Cool, Dry, Fan, Sleep
Dehumidification Capacity: 112 Pints/Day
Cooling Temperature Range: 61°F–86°F
Timer: 24 Hours on App, 12 Hours on Control Panel
Caster Wheels: Yes
Fits Window Heights: 20–53 Inches
Included Accessories: Universal Window Kit (4 Panels), 2 Exhaust Hoses, Drain Hose, Remote Control, 2 Remote Control Batteries
Exhaust Hose Length: 5 ft x 2
What's in the box
Portable Air Conditionerx 1
Universal Window Kit & Hosex 1
Drain Hosex 1
Remote Controlx 1
Remote Control Batteriesx 2
Frequently Asked Questions
Why is my air conditioner not working?
Make sure the unit is plugged firmly into the outlet. If the Plug Current Device has tripped, press the RESET button. If the room temperature is lower than the target temperature in Cool Mode, reset the temperature. If the unit shows a P1 Protection Code, the water collection tray is full. Turn off the air conditioner, drain the water, and restart the unit. If the unit shows E0, E1, or E2 error codes, contact customer service.
Why does the unit not cool well?
The air filter may be blocked with dust or animal hair. Turn off the unit and clean the filter according to the instructions. The exhaust hose may not be connected or may be blocked. Turn off the unit, disconnect the hose, check for blockage, and reconnect it. The windows and doors in the room may be open, so make sure they are all closed. The unit may also be low on refrigerant. Contact customer service to inspect the unit and top off refrigerant.
Why is ice forming on the cooling coil behind the air outlet?
The indoor temperature may be below 60°F (16°C). Change to Fan Only mode. The air filter may also be dirty. Clean the filter and then set the air conditioner to FAN only mode.
Why is the unit noisy and vibrating too much?
The air conditioner may not be placed on a level surface. Place the unit on a flat, level surface. The air filter may also be blocked with dust or animal hair. Turn off the unit and clean the filter according to the instructions.
Why does the unit make a gurgling sound?
This is normal. It is caused by the flow of refrigerants inside the unit.
Customer Reviews
4.9/ 5.0
This product is rated 4.9 of 5.0 stars. It has received 66 reviews.
Customer Reviews
Overall rating: 4.9 / 5 from 66 reviews.
The 740S was well packed and arrived in good condition. Installation was fairly simple, the only thing that gave me trouble was one the rectangular connector on one of the hoses that connects to the unit separated from the hose when I pulled on the hose to connect to the window panel. It took me quite a while to get that back on and I'm not sure it is on correctly. They provide plenty of insulation for the window, so that was good. Once it was installed, I fired up the Dreo application, which I already had on my phone as I have three other Dreo devices (2 fans, 1 humidifier) and it instantly found the new A/C without me having to do Add Device - nice! I installed this unit in my home office, which is 225 sqft (15x15) and it cools the room down nicely. The unit is a little louder than I would like, but that is probably just a problem for me in that I put it on ON my desk , 31" from me. I have an L shaped desk in the corner of my home office and I wanted to use the narrow window that faces sideways to the front of my house. Putting the A/C under my desk would not have allowed the air to go up. In any case, I'm happy with the unit and the cooling it provides. My office is in the far corner of my 3100 sgft single story home and it would get warmer that all other rooms in the house, so I am really enjoying the ability to cool my office to the temperature I want. BTW - I worried I might leave it running some night, so I created a schedule to turn it off at 10:00 PM each night, just in case. If I want it to run after that, I will simply turn it back on. I've been super happy with the Dreo devices, especially the convenience of using Alexa to turn them on/off, change settings (e.g. increase/decrease temp, turn on Eco, turn on/off).
This was so easy to set up by myself. Way easier than my previous portable stand up units from the past.
I am also amazed how much quieter it is to my previous units.
Love having both the remotes and the app.
This is our second unit. It arrived in fully protected packaging.
It to longer to unpack it than installing it.
The entire process took about 30 minutes from unpacking to switching it on.
Both units run like a charm an cool the entire 1,400 sqft living space sufficiently, keeping the temperature at a comfortable 69 F
We had other units, including window installed units from other manufactures and this one is truely the best unit. Love it!
It’s a beautiful portable air conditioner and it works well. The installation didn’t take long and once I turned it on, it began to cool my room temperature down immediately. It makes a significant difference in the way I feel when I’m at home now. I really enjoy it.
Best purchase I have ever made for an air conditioner. Setup was easy and cools the room to the set temperature. Love that you can shut the display off at night and is very quiet for a portable air conditioner.
Easy to install and works amazing. Never using windows units again!!! Its sleek and not an eye sore. Dont bag it up and store it til next summer just clamp the hoses on the back turn it side ways. Keep it clean and maintained inside conveniently instead of storing it away for months at a time. Use it as a fan to circulate the air in the house during winter. All around an amazing piece of technology!
It's still early days, but initial reactions are that it's so much slimmer and sleek compared to other models I've had, and it runs so quietly! app setup was a breeze, as usual. pretty happy so far, no complaints at this time.
The unit is great. I love it. It's my first one but the fact I don't have to worry about draining it is a major plus. The major negative is the panels for my certain windows. My windows slide open horizontally. They are 54" tall. The panels were high enough along with the insulation sent but they do not stay in the window. they are super flimsy and one broke. I fixed it with good ole duct tape :). I had to also duct tape the panels so they would not pop open and let hot air in. This is not going to a problem for most people and windows. I just have windows that are 4 ft tall. The unit works like a dream. It is very cold and very quite. The room is 10' cooler and it is not a small room. it is the entire front of my house. I have a 3000 sq ft home and a 3 ton AC unit that cost a lot to run. It is not an area I am in that often so I usually keep it at 83 with the home AC unit. I have set my Dreo to 75 and at most, the room gets to 77' when the outside temperature is over 100'. The energy cost is up of course but nothing comparted to running a 3 ton home AC. I am going to most likley buy another one and avoid doing mini splits. This is far cheaper and far easier to replace if needed or upgrade.
So far this year, it has done a fantastic job of cooling off my open living room. (I will see the true test when the hotter months arrive. )It's very quiet! I had purchased another brand several years ago and it was so loud, I sold that unit to someone that was going to use it in a garage. This Dreo has been another BEST purchase I have made from your company. I purchased this unit simply because I have your stand up tower fans and love them too. If you don't want to move it, the fans work very well with this Dreo740 S portable air conditioner circulating the air throughout our home.
We love the 740S, and it was amazing to get it installed in the middle of our last heat wave. We have central AC in our house that is perpetually broken and leaking refrigerant. We're in the middle of a dispute with management and wanted to stay cool in the meantime. We were surprised at how much we love this unit. It was super easy to set up, and the hardest part was just arranging the foam in our no-longer-exactly-square windows to make sure there were no gaps. Love that it is wifi connected and really couldn't be happier. We already own three of your fans and had a pretty good opinion of your company, but now you're our favorite and we have thrown out all of our garbage dyson fans that never did much at all compared to yours. Thanks for making quality products!
Installed in our garage to cool the interior and drop the humidity. It has done an excellent Job! Love having a remote control and the ability to control the unit through the app.
Had for about two weeks and bought it 3 weeks later than we should have. Great for this hotter than normal summer that seems having days staying in the 80s and humid. Helps to dehumidify and we haven’t had to drain yet. House is ~1000 sq feet and we keep in central room. Using fans to blow out either direction. Really just keeps it from going over that edge of miserable.
I live in Louisiana where it’s 100% humidity at least 100 days of the year. My HVAC couldn’t keep up. Within 45 minutes of plugging this bad boy in the temp of my home dropped 3 degrees. By the next day it was keeping my whole house at a comfortable temp, not just the large living room we placed it in. For reference my home is one story and 1300 sq ft. I came in from mowing the lawn and stood directly in front of it and had icicles forming on my eyebrows. Okay not seriously, but seriously it feels like frozen air. Just buy it…you’ll thank me later!
Wanted to invest in a high quality unit that would last me for years without having the buyer’s remorse feeling of “I should’ve bought a better unit”. It’s definitely worth the investment.
Without a doubt, the DREO 740S Portable Air Conditioner is the best investment I’ve made for my comfort in my small apartment.
The DREO 740S is the best home cooling system I've ever had, delivering the best results. It is quiet and quickly reaches my preferred temperature. Controlling it via the phone app makes operating the system easy. I can’t determine the energy consumption just yet; I have to wait for the next billing cycle from my electricity provider.
DREO App with the portable ac is a game changer! Magnetic spot for the physical remote not to get lost, mind blown! Child lock, so not accidentally pressing buttons, Genius. Installing the hoses and window install was fairly easy with the install video DREO provided with the QR code. Needed to cut the panels provided with my own personal tool. My sleep improved so much with 65 degrees Fahrenheit cooling. My double coated dog feels better as well. Love not having to worry about drainage! The swinging vents are great going up and down cooling the room fast. The caster wheels are awesome for easy moving the portable ac. The built -in handles that look like it belongs to the ac portable unit, a chef’s kiss. Opening the box and getting out the unit was a breeze. Overall satisfied!
Best portable AC I’ve had, and I’ve owned eight different brands over the years. This one is by far the quietest at this size, and it cools my home office fast. I’m very impressed!
Works great love that you can check themperature in the house and set the A/C accordingly so you come home to a cool house. My fur babies love it too. Homes is cool puppies are cool
Re installation: When I pulled on one of the hoses to bend it so that it would fit the space, the hose detached from the part that fastenss to the unit. It was easy enough to reattache though. The unit is quiet and produces good cold air.
It was easy to install. I had to cut one of the supplied panels to size and it was very easy to cut with a hack saw. I like the cooling speed of this model since it comes with two vents. I am using it in the background and find the sound level low enough for me to sleep comfortably. The phone application is easy to use. I have had a Dreo circulator fan for about 2 years, so buying the AC from Dreo was an easy decision.
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