I bought this unit to replace a window AC that is no longer allowed in our condo building. The primary purpose is to dehumidify our entire condo (only 850 square feet), so we are using this unit for a space larger than it is designed to cool. But, even so, it works well and it has a phenomenal Energy Efficiency Ratio (EER) of 12.5, so you get 7500 BTU cooling for only 650 watts of power.To respond to the previous review that rates this unit poorly, I'd like to go over the points that reviewer mentioned from my perspective...
1)drying the air - this unit will take the relative humidity in our condo down more than enough to make a muggy day comfortable indoors. If we turn the unit on early before the heat of the day, it will maintain the temp in our condo as it drys the air, not bad for a unit designed for a small room.
2)it must be drained of water - true, but most of the water it produces is evaporated over the heat exchanger and sent outside. A small amount of residual water is what you must empty and we find the unit will run for several days continuously before emptying is needed. A light indicates when the water tank is full. The drain is very low as the previous reviewer mentioned, so it is helpful to roll the unit to a stair-step so you have some clearance below it for the water to pour out. This is an inconvenience but unless you have trouble bending over, not a difficulty.
3)it has wheels that are small - yes, it may take effort to roll over a carpet (unit is 60 pounds) but no problem on hardwood floors.
4)hard to move, nothing to grip - haven't found this to be a problem. There are handles (one on each side) and anyone who is able to handle the weight should have no problem. No air conditioner is light and compared to wrestling with a window unit this model is a snap to move.
5)poor window exhaust seal - I don't understand this criticism. The unit comes with panels and a pre-cut hole for the exhaust hose. All fit together tightly to make a tight, rattle-free seal with no duct taping required. The panels allow a fit to any size double hung window.
The unit has two squirrel-cage fans, one for cool air, one for exhaust. The noise they produce is from rushing air, not motor noise so there is no annoying hum or buzz. There are only two fan speeds and they don't differ much. If I had my wish I'd want a slower speed available. The amount of air moved is great. I can sit in a chair twenty feet away from the unit in another room and feel the draft, so I use the unit as a fan when the cooling/dehumidifying isn't needed.
The exhaust hose will expand or contract to fit the length you need to reach the window from the back of the unit. There is a quick disconnect that snaps the hose into the unit, so you can quickly disconnect the hose if you need to move the unit for any reason. The hose screws into the plastic fittings at both ends so it won't pull apart on you.
The exhaust air to the outside is hot. As a result the hose will get warm. That warmth adds to room warmth and you don't want that heat in the room. I recommend wrapping some vinyl backed fiberglas insulation around the exhaust hose to keep the exhaust heat from the room you are cooling.
This unit has ONLY an exhaust hose. Without the intake hose of more expensive models, it must take room air and exhaust it outside. This means warm, humid air will be pulled into the room as a result. This lowers the cooling and dehumidifying efficiency but we haven't noticed this to be a problem.
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Product Description:
Stay COOL and breathe fresher air with our 7,500btu unit. Ideally cools an area up to 200sq.ft. Effectively improves air circulation in poorly ventilated spaces and maximizes energy efficiency. Manual control is specifically recommended for use in Server rooms. If there's a power failure, unit will automatically turn itself back on when power resumes.Self-Evaporating Technology liduring the cooling process, water is extracted from the air into the unit. Most of this water is then recycled and used to cool the cooling coils and make it run more efficiently, cooling as well as energy.Note: Exhaust hose installation required (all standard accessories included). Features and Functionsli7,500btu cooling powerliSelf evaporating systemli2 fan speedsliRemoves moisture for personal comfort (dehumidifier functions automatically in AC mode)liActivated carbon filter helps remove odorliWashable air filter collects dust particlesliUp to 8 hours timerliDirectional air discharge louversliExtendable exhaust hose (up to 5ft.)liBuilt-in water tank or extended water tube for continuous drainageliUL approvedMeasuring conditions is based on factory testing conditions. Cooling liRoom Temp: 81F, Room Humidity: 60%.Specifications Cooling capacity7,500btu / hour Power consumption620W / 6A Air volume440 m3/h Moisture removal46 pints / day Water tank capacity3.2 pintsWindow kit material foam Operating temp 64 ~ 110F Thermostat 64 ~90F Control manual EER 12.10 Noise level (dBA) 54 Power supply120 V / 60Hz / 1 Phase Max room size 200 sq.ft.Timer 1 ~ 8 hours Fan speeds2 Compressor rotary Refrigerant R22 Exhaust pipe max length 5 ft. Exhaust pipe diameter 5 in.Window kit length Max: 48 in. Product dimension (W x D x H) 16 x 16 x 30 in. Package dimension (W x D x H) 18 x 18 x 33 in. Net weight60 lbs. Gross weight70 lbs.
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