Sharper Image PORTAL Window Fan with 3 Speeds, Reversible Exhaust Mode, Weather Resistant, Window Fan For Kitchen, Bedroom, Home, Low Profile, Black

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I have been looking for a decent squirrel cage style window fan for years. Although this is a little on the pricey side, I think it is well worth the investment. 1st) They look to be quite well built. I love that the design of the grill, which is in a uniform rectangle. This makes it possible to cut a block of foam (preferably gray in color ~ which I did) to block the flow of air from the outside air when the fan is not in use by sandwiching into the sides of the unit in front of the grill. 2nd) I like that it was easy to apply a screen with duct tape to the outdoor side of the air intake to keep out insects. 3rd) The fact there is no remote control is a bonus because it's one more thing to loose. 4th) The electronic buttons are intuitively easy to use and it's a big plus that you can use it to exhaust your indoors if you burn the toast. 5th) Even on high the fans are relatively quiet. On the low settings they are nearly inaudible. 6th) I love they are weather resistant, that said I will likely construct a roof out of plexiglass to shield the unit from storms as I intend to have them available for use all year round, although in the heat of Summer I'll forgo the hot humid outdoor air for AC. 7th) They are offered in a black color which has two advantages. First they will show little in the way of particle dirt accumulation compared to the typical white window fans which look like they need cleaning after one week use. Second, they essentially trap light which is great for the bedroom when you do not want to be disturbed by sunlight in the early morning hours. 8th) The air pattern generated by the fan is more of a directed narrow beam that excites the air thereby moving the air in the room around in contrast to the typical prop style fan which leaves stagnate zones within the living space.Cons? Maybe slightly less CFM per dollar to other window fans. That said, I am convinced that the CFM generated by this fan has greater efficiency in the way that it creates a beam of air that excites or moves around the air in the room to a greater scale.I purchased 2 because I love the design and function of the unit.Recommended.

This barely fit my 23.5 in window. It doesn't go all the way through just for anyone who is trying to make it fit. I get the window to close on it and the foam fittings help keep it in place . For my smaller room needs, it keeps air flow at a nice pace , but I have not tested summer weather yet . But I am using this as an exhaust air flow issue my apartment is older and gets hotter quicker. The transom has a better cylinder that prevents air flow when not in use. This one has a noticeable gap where the outside is constantly exposed . Just saying if you get cold quick .Otherwise it does both exhaust and fan mode fairly quietly no sputtering on mine. Also I bought it used and it showed up fine.The transom I also have is sturdier and more powerful if you have a larger room I suggest that . This is for a small to medium room just in need of better air flow. Anything else you will need the larger one

I'm so happy to have found this fan! I remembered the effectiveness of window fans while growing up in east coast humidity. You could draw hot air out and cool breeze in. I really wanted to try one out in my summer hot small bedroom/office on the second floor. I'm not fond of the "coldness" of air conditioners and I like to have fresh air circulating. I've tried other types of floor fan models which made the heat somewhat tolerable, even considered a swamp cooler but I just don't have the space for something like that. I only have one window which I cherish for the view and the natural light. So I was hesitant to block anymore of that view than necessary. Then I found this low profile Airbar fan, the good reviews it had and decided to give it a try.Bingo, it's a winner! It was easy to install and have up and running in about 10 minutes. The controls are simple and easy to use. It's moderately quiet and no flashing lights, just 3 tiny indicator lights to let you know the power level you've chosen (low, medium, high). The low profile has a clean look in the window and I still have my window view to the natural world outside. I use the exhaust setting a lot because it's very effective at quickly cooling the room without blowing a lot of air on me while I sit at my desk across from the window. And when some food was burned on the stove in the kitchen downstairs, the exhaust setting quickly dissipated the smoky smell which rose up to the 2nd floor and into my bedroom.We don't have central air in this old house so have been searching for effective ways of regulating upstairs heat in the summer. This is working so well that we are now considering getting one for the upstairs guest bedroom too. I highly recommend this fan as an unobtrusive and effective solution to cool a room. And you don't have to take up any floor space either. Give it a try and have a happy and cool summer!