Editorial Product Review:Item Description:Digital thermostat / Electrically reversible air flow control / On and off program timer / Multiple speed settings / Adjustable extension panel
Amazon.com Review:People who favor fans over air conditioners like to feel a house breathe. A good window fan is a real blessing to a fan person, and doubly so if that fan can be set to blow in two directions. Double the benefits yet again if that window fan has two fan blades, each of which can be set either in or out. The Holmes HAWF3095 window fan has those quadrupled benefits, and then some. There are two 3-speed fans in the unit, each of which can be set for air intake or exhaust, or for air exchange, when one blows in and one out. In addition, there's a programmable digital thermostat and timer, so the fan can shut off automatically when nights get too chilly. And of course there is a simple on/off mode, especially good with the air exchange configuration.
Air direction is set by using the sliding switches located above each fan blade. The mode button is used to turn the fan on and control the speed. The mode button also cycles through three automatic thermostat settings: Auto High, Medium, and Low. There are two additional temperature adjustment buttons to fine-tune the thermostat to a personal comfort level. In addition, a timer setting allows the fan to be programmed to turn on and off at one-hour increments over a period of as long as 16 hours. The HAWF3095 fits most windows, whether it be a casement, slider, or double-hung style. The fan can function either horizontally or vertically, and there are two 3-inch extenders that can slide on at either or both ends to help tailor the fan to most any window.
Always unplug fan before cleaning. Use a soft cloth moistened with a mild, nonabrasive soap solution. Do not use gasoline, paint thinner, or benzene as a cleaning solution; also do not allow water to drip on or enter fan housing. The Holmes HAWF3095 window fan measures 25 by 13 by 5-1/2 inches. (For certain casement windows, a specifically designed bracket may be required; upon request, Holmes customer service supplies this bracket free of charge, along with installation instructions.) Holmes provides a five-year limited warranty against defects in material and workmanship under normal use conditions.
--Garland Withers
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Buyer Reviews
Average Buyer Rating:
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Quiet, Fast, Accurate Fan, I highly recommend it
This is the ideal window fan. I've been using it for 2 years and since then, I've convinced everyone in my family to go out and buy this fan. This fan is very quiet and it runs smoothly. The best feature is the temperature control. You can set the minimum temperature and go to sleep without having to worry about getting up and turning the fan off if the room becomes too cold. In my room, as soon as the temperature drops below 68 degrees, the fan shuts off until the temperature begins to rise above 68. The fan is excellent quality and it should last you years.
The only negative is that it's hard to clean this fan. I've had it for 2 years and I had to clean the fan wings and the fan bars from inside and out. I broke some hinges in trying to open the fan.
Customer Rating: 
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A Toy Fan
I have had window fans that actually pulled out hot air from a second story room, allowing cooler first floor air to flow upstairs.
On the exhaust setting this window fan is more like a toy. When it didn't seem to be creating ANY air flow in the exhaust mode, I tested it by letting smoke drift about a foot from the fans. The fans didn't pull the smoke toward them, much less pull hot air from my 8x8 mini office. It might work best as a fan blowing IN, but I needed an exhaust fan. It is one of the more expensive small window fans and I expected it to be more functional.
Customer Rating: -
Functional, but missing some critical features
This window fan is perfectly functional, but the absence of some features mars an otherwise desirable product.
Pros:
- It moves plenty of air, and keeps my 12'x15' room nice and cool.
- It has some nice automatic features, like a timer function and thermostat control.
Cons:
- Too deep to fit inside my window screen.
The back end of the unit is surprisingly large, so I removed my window screen. No big deal, right? Well...
- No dust screen.
After a few weeks of use, you'll start to notice dust and grime buildup along the path of the airflow. A decade or so ago, I owned a window fan with a removable dust screen that was easy to clean and prevented such buildup. Furthermore, due to the unit depth and lack of dust screen...
- The front and rear gratings are huge enough to let critters as large as bees in.
If your fan is not operating continuously, bugs will be able to fly into your house with ease. Either a dust screen or a closable vent would have solved this, but...
- No adjustable vent.
You can't direct the airflow, and you can't close the fan when it's not in use. But that said, even if you could close the fan itself...
- The adjustable length adapter does not sit flush with the rest of the unit.
This leaves a gap of approximately 3/8" between the window and the sliding adjuster. I taped the gap shut, but it's just another irritating design flaw.
- Annoying mechanical hum that's louder than the fan noise at low settings.
The hum appears to go away after an hour or so (either that or I adapt to it), but if the fan is using thermostat control, this noise will be prevalent whenever the fan is running. Speaking of the thermostat...
- The thermostat with digital readout is just silly.
Let's face it, the thermostat is built into the unit, approximately four inches from the path of airflow. If the temperature outside is 66 degrees, the temperature inside is 78 degrees, and your thermostat is set to 72 degrees, the fan will turn on, blow for about 15 seconds, 'read' a new indoor temperature of 71 degrees, and shut off, while the rest of the room is still warm. 45 seconds later, the air temperature will equilibrate and the fan will turn on again. While it's nice to be able to control the indoor temperature, the digital readout is inaccurate and unncessary.
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I'll probably keep this fan around for the rest of the summer, and maybe cut a piece of foam or tape an air filter onto the fan intake as a temporary solution, but bottom line? I'll probably hawk this fan to some poor sucker on the first hot day next summer at a yard sale and buy a better unit.
Customer Rating: 
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Great Window Fan
I have two of these and they are the best window fans I have used. They are quiet compared to the other window fans I have and you can set the temperature and speed you like and forget about them. There are 3 variable speeds and two modes intake/exhaust. The only time I use the A/C is when the humidity inside the house gets high, otherwise this fan does the trick.
