Cooper&Hunter 14,000 BTU (12,000 BTU SACC) Inverter Portable Air Conditioner with Heat Pump with Dual Hose, Dehumidifier, and Fan For Areas Up To 550 Sq. Ft, with Remote Control & Window Kit

I just received my unit yesterday so I can’t say too much about it. It did arrive as scheduled, the delivery person was helpful and courteous. It was carefully packed so there was no damage. It was also very easy to unpack, I just cut the plastic straps and lifted the box off the unit. I purchased it for my 35-foot fifth-wheel RV to reduce the utility costs. I keep it parked in a resort on the Kentucky River full-time. I was surprised at how sturdy the panel that goes in the window was and after a few adjustments to make it fit the rounded RV window, it installed perfectly. It was easy to set up and get running using the controls on the unit. I have not been able to connect it to the internet yet, it won't work on 5g and we have Starlink 5g, so I'll need to work on that. Also, the control panel on the remote is in Chinese and the instructions don't tell you how to change languages. I set the unit controls on automatic and 70 degrees and it has functioned perfectly. It switches from cool, heat, and fan as needed keeping the camper at 70 degrees. I will note that the outside temperature has been fairly mild so far. It is incredibly quiet. It will need some kind of vented cover on the outside, it's kind of exposed. I had to empty the evaporator tanks a couple of times and I find the three outlets confusing and possibly unnecessary. The lower pan seems to collect all the extra water and is so close to the floor that it is impossible to empty it without lifting the unit. After flooding the dining area twice I finally attached the hose to the bottom outlet and drilled a hole to continually drain it outside regardless of what mode I am running it in. I'll update this review after I use it through some more demanding weather and after I get a utility bill. December 28, 2022 update: I have used it through some mild and extreme winter weather. It starts to struggle under 40 degrees outside but does produce some heat into the mid-thirties. At that point, I switched to my propane furnace and set the unit on “dry” to keep the humidity under control. In Kentucky, we usually have temperatures high enough to run it during the day, and only use propane at night when I keep it cool inside for sleeping. I figure the unit has saved me about $100 a month in heating costs. Propane is very expensive in the area where I live. We are two miles past the boonies. October 21, 2023 Update: Well, I've used it for over a year, and it is on almost 24/7 and has never missed a beat. We have had some very hot weather this summer, and I have set it at 72 degrees on auto and just let it run. An RV is basically a metal box sitting in the sun and it keeps it cool all summer long. It did struggle a little when the temperature was over 100, but the ceiling fan on high made it tolerable. My electric bill in 2022 for August was $144, we had higher temperatures this August (2023) and my bill was $89. By my calculations, this unit has paid for itself in one year in lower utility costs. It does make some unusual noises as it cycles through, and can be a little loud at times, but it is still much quieter than the roof unit that came with the camper. I could not be happier with this product and definitely would recommend it.

We bought 5 of these units to supplement the heat in our classrooms and to cool in the summer. The cooling function is good. But forget using these to heat any space. If the ambient temp is less than 45°F, setting the unit to heat, it will not work. The louvers open, but the compressor does not engage to provide heat. The unit will simply not work. Yes, there is no condensate in the machine tripping off a high water level, the unit lights up, but doesn't heat. We are very disappointed. All 5 act exactly the same so it is not a defective unit it appears to be the way they work. Unfortunately, when you need heat you will not get it from these machines.

This is essentially the Midea Duo and everything good/bad about it. Summer update: It keeps a 550sqft apartment at 72F on a 100F day on medium settings at 600W power draw from the wall at peak times, about 7kWh per day. Cooling: The unit is very efficient for a portable AC and cools like crazy for its size. It was able to drop the temperature in a 550sqft room by 5F in less than 10 minutes. My place is well insulated and I did a good job sealing the install so your mileage will vary based on those factors. It is still only a 12K BTU unit so don't expect miracles, but it still cools much better than equivalent single-hose units because it won't pull warm air into other parts of your home and let it bypass external insulation. I think SACC testing still understates how poorly single-hose units do compared to these dual-hose units. Noise: It is quiet on low fan speed with the inverter compressor powered off, registering 10W at the wall. You can use it in continuous + auto mode to automatically modulate the fan even lower to 3.5W but it moves so little air that point that you will want some other fan for room air circulation. The compressor was mostly inaudible over auto fan at medium (800W) load - this is a VERY welcome change from 14K ASHRAE non-inverter units where the rotary scroll compressor would be the loudest and most obnoxious thing in the home. Power: When the inverter kicks in, it will pull about 150W as a baseline but it rarely will want to use the compressor at full power. The best I've gotten to do so far at 10F delta on auto fan was 800W with the fan on auto. The unit hesitates to use its full rated power on a warm spring day - we'll have to see what it does in the summer. Installation: Note that this unit does not come with the finicky vertical window adapter kit and you have to ask for a kit. I recommend not using one either way as it reduces efficiency and the long air divider prevents the use of a screen. You're better off sawing the included horizontal window kit in half and using 1" insulation foam board to cover the rest of the window. Other: The unit is not 100% neutral pressure. It will still exhaust a little bit of indoor air, so if you need an hermetically sealed room for whatever reason, be aware of this. Regardless, the negative pressure is a drop in the bucket compared to a single-hose unit.

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