Holmes Dual 8" Blade Twin Window Fan with LED One Touch Thermostat Control

Es mejor de lo que esperaba puedes controlar los dos ventiladores por separado puedes colocar uno a extraer y el otro a introducir aire para que así circule en un cuarto así este la puerta cerrada, en el modelo anterior solo podías poner a extraer o introducir aire así que siempre debías tener la puerta abierta sino se forzaba el ventilador, también tiene modo de on-off o temporizador y se apaga al llegar el cuarto a cierta temperatura, sirve para que no enfrié de mas el cuarto y ahorrar energía consume unos 60W aprox

1.You don't have to cycle through 10 settings to turn it off - hold the button down and count to 3. 2.I noticed that a great deal of the negative reviews on this fan exactly match a similar Holmes fan at a much cheaper price point - I have to wonder if some of them are on the wrong product page. 3.There is a trick to this fan that I believe some people don't understand - it only works if the outside air temperature is LOWER than the inside temperature. If the outside air temperature is higher than the inside temperature, you'll just be sucking hot air into your room. We use an indoor/outdoor wireless thermometer and immediately shut the fan off and close and cover the window as soon as the outside temp gets within a degree of the inside temp. If I didn't have the thermometer (which wasn't very expensive), I would just use the Weather Channel hour-by-hour forecast or something like that to make a judgement call on when to turn it off and on. In other words - it's mainly meant for nighttime use. You can use it as a floor fan or something when it's warmer outside than in, but take it out of the window for heaven's sake! I also wouldn't reverse the direction and expect it to do much unless you had some cooler air to pump into the room as the warmer air was sucked out; but it would work very well to clear hot air out before turning on the A/C or something along those lines. If the temperature was fairly equal inside and out, I could see fresh air being somewhat more relieving than just moving inside air around, and the idea of putting one on intake at one end of a room and one on outtake at the other end would be a very effective way to move air around, too. Otherwise - think before you decide when/how/where to use the window fan. It's not rocket science - but it's not plug-in and expect a cheap A/C miracle, either. 4.It's not noisy at all. Compared to central A/C? Yeah, it's pretty loud. Compared to a box fan and most floor fans? It's whisper quiet. 5.It doesn't seem to be any lower quality than any other plastic fan I've ever owned. I don't expect it to last forever, but I don't think it seems too cheaply made for a plastic fan. All things considered, quality control on something like this would mean that sometimes a bad ones will get through, so I would probably exchange it at least once before asking for my money back. (We ordered 3 and they all work fine, though.) The only negative I can really say is the thermostat gadget. When the temp is on the line, the thing can't make up it's mind and starts and stops for awhile. It *does* work though, so if you need it to 'think' for itself while you are at work or something it is a worthwhile and useful feature. For it to work smoothly it would have to be considerably more sensitive and expensive and I don't care to pay that much for a fan. Also - I have to say this. Some reviewers were disappointed that the thing was 'unsafe' and they had to take it out of their window to secure the house from burglers when they were away. All I can think is: REALLY?!? For a plastic fan at this price point, people seriously expected that?!? So, with that said: No. No, it's not secure and you will need to remove it and lock your window if you are concerned about your neighborhood and your TV. I refuse to remove a star for that, though. (You might be grateful however, if you ever get locked out and have to boost your youngest through a window. Not that this has ever happened to me or anything....)

Does the job as expected, as we have it to help air circulation to cool down 2nd floor. I was aware of all these issues before making the purchase. Common comments/issues already identified by others. No On/Off switch but you could press AND hold the Mode button for about 2-3 seconds to turn it off (I did not know until I read the manual). Great that you can set Intake/Exhaust direction independently between the two fans. Noise (at night time) could be an issue for those who have it in bedroom (but not applicable to us). Catch-22 here, that if it is quiet enough, then it may not be powerful enough to draw/push air.

Sold in £'s in the UK. 110v with US plug! How silly is that.

Excelente producto. Justo quedó en mi ventana, mantiene el cuarto fresco. Funciona con ventilador y extractor.