I want to use this in a stand-alone one room dance studio with only one window. If it's very hot outside, will this really keep it cool inside?

It’s not an AC unit so it will only be as cool (or slightly less hot) as the air from the source. That being said you could use this fan on Exhaust to suck hot air out and use a tower fan to create a breeze in the room. But to cool a room on a 90+ degree day, I’d recommend a window AC. This fan will circulate air tho, so it’s not a bad place to start.

Can you use the fan without the thermostat feature? I don't want it going on and off all night long.

I think the other replies were with older models? I just purchased this model and there's no issue with opting out of the thermostat feature. As noted in the instructions, to get to continous air flow, you just keep clicking the button through the modes (first you click throught the various thermostat temperatures, and then you get to "high" or "low" as options. If you click high or low either one will stay on continously. Both options are extremely quiet. It sounds like the person who had a louid nose on the low setting had a defective fan.

The CFM rating for this fan is: Hi:410 +/- 20; Lo: 320 +/- 20

Can this fan be turned on it's side? My window is only 22" wide but is 36" high.

I think it would be possible. My only concern would be stability. The top of the fan is about 2" wide which helps anchor the fan into place when the window is closed. The sides are much thinner and I would be worried about the fan tipping over or the sides possibly cracking b/c they are flimsier. That all being said, you could certainly McGyver it into working out.

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

Product ID: 345975833

Details

Brand
HOLMES
Colour
White
Electric fan design
Window Fan
Mounting type
Window Mount
Power source
Corded
Product dimensions
15.2D x 64.8W

🌀Dual 8" blades for max airflow

💧Water-resistant motors for rain-safe use

🔄Independently reversible motors

Description

🌬️ Elevate your space with smart, customizable breeze — because fresh air is the new luxury.

DURABLE WEATHER READY - Water-resistant brushless motors ensure reliable performance even during rainy weather.
QUIET YET POWERFUL COOLING - Whisper-quiet operation delivers fresh air without disrupting your work or relaxation.
SMART ONE TOUCH THERMOSTAT - Programmable thermostat with 2-speed settings automatically maintains your ideal temperature and saves energy.
CUSTOMIZABLE AIRFLOW CONTROL - Dual fans with independent reverse motors let you intake, exhaust, or exchange air for perfect room circulation.
FITS MOST WINDOWS BIG OR SMALL - Adjustable extender screen and panel expand up to 37" to secure the fan in double-hung or slider windows.

The Holmes Dual 8" Blade Twin Window Fan features two independently reversible brushless motors for versatile airflow modes—intake, exhaust, or air exchange. Designed to fit most double-hung and slider windows with adjustable extenders up to 37", it offers two-speed settings controlled by a one-touch programmable thermostat. Water-resistant motors ensure safe operation in rainy conditions, while quiet performance and energy-efficient standby shutoff make it ideal for modern living spaces.

Specifications

ASIN	B000065DK8
Blade Length	6 Inches
Brand Name	HOLMES
Collection Name	All
Color	White
Connector Type	Standard North American 3-prong plug
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.1 4.1 out of 5 stars (12,223)
Electric Fan Design	Window Fan
Finish Type	Powder Coated
Global Trade Identification Number	00048894012709
Included Components	Adjustable Extender Screen, Extender Panel., Holmes 7 Inch Twin Window Fan, Water-Resistant Motors
Indoor Outdoor Usage	Indoor
Installation Type	window mount
Is Product Cordless	No
Item Dimensions D x W x H	15.2D x 64.8W x 15.2H centimeters
Item Type Name	Twin Window Fan
Item Weight	3.4 kg
Main Power Connector Type	Standard North American 3-prong plug
Manufacturer	Newell Brands
Material	Plastic
Model Name	Dual Blade
Model Number	HAWF2043-N
Motor Type	Brushless
Mounting Type	Window Mount
Number of Blades	2
Number of Power Levels	2
Number of Speeds	2
Part Number	HAWF2043-N
Power Source	Corded Electric
Recommended Uses For Product	Cooling
Room Type	Bedroom
Size	2 Speed Setting
Special Features	1
Standby Power Shutoff	Efficient
Style	2020 Version
Switch Type	Push Button
Theme	Modern
UPC	048894012709
Unit Count	1 Count
Voltage	120 Volts
Wattage	75 watts

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