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🌬️ Elevate your space with breeze-smart tech — because comfort is the new cool.
The COMFORT ZONE 9-inch twin window fan delivers powerful 431 CFM airflow with 3 adjustable speeds and 3 versatile modes (cool, circulate, exhaust). Its expandable width (23.5" to 37") fits most windows securely with auto-locking expanders. Remote control lets you customize settings effortlessly, while the included fabric cover and bug screen keep your space fresh and stylish. Lightweight and whisper-quiet at 52 dB, it’s the perfect blend of efficiency and convenience for modern living.
















| Air Flow Capacity | 431 cfm |
| Asin | B004TAYQXE |
| Best Sellers Rank | #871 in Home & Kitchen (See Top 100 in Home & Kitchen) #1 in Household Window Fans |
| Blade Length | 9 inches |
| Blade Material | Plastic |
| Brand Name | COMFORT ZONE |
| Collection Name | Fans |
| Color | White |
| Connector Type | 2-Pin |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Reviews | 4.2 4.2 out of 5 stars (14,899) 4.2 out of 5 stars |
| Electric Fan Design | Window Fan |
| Finish Type | Painted |
| Form Factor | Mountable |
| Global Trade Identification Number | 00075877132765 |
| Included Components | Remote |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Window Mount |
| Item Dimensions D X W X H | 4.75"D x 25.25"W x 13.75"H |
| Item Type Name | Comfort Zone CZ310R Twin Window Fan |
| Item Weight | 5.6 pounds |
| Main Power Connector Type | 2-Pin |
| Manufacturer | Mr. Brands, LLC. |
| Material | Plastic |
| Model Name | CZ310R |
| Model Number | CZ310R |
| Motor Type | Brushless |
| Mounting Type | Rack Mount, Tabletop Mount |
| Noise Level | 52 db |
| Number Of Blades | 12 |
| Number Of Packs | 1 |
| Number Of Power Levels | 3 |
| Number Of Speeds | 3 |
| Part Number | 10958221 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Air Circulation, Cooling, Exhausting, Ventilating |
| Room Type | Bedroom, Dining Room, Kids Room, Living Room |
| Size | 9 inch (3-Speed+Remote) |
| Special Features | Lightweight, Portable, Remote Controlled |
| Specification Met | ETL |
| Speed | 1270 rpm |
| Standby Power Shutoff | High Efficiency |
| Style | Classic |
| Switch Type | Push Button |
| Theme | Window Fan |
| Unit Count | 1 Count |
| Upc | 075877132765 |
| Voltage | 120 |
| Warranty Description | 1 Year Warranty Against Manufacturer Defects |
| Wattage | 57.5 watts |
User
This may be the best fan I've ever used... & I can't sleep without at least one fan, so... lol.
I've had this fan only for a few hours, but, considering we had to deal with still being super overheated when we had 3 tower fans + a ceiling fan... Once I installed this Comfort Zone window fan into our window and started it, it's been doing a better job than all 4 previous fans combined, all by itself! It's incredible. Will come update later if we have any issues, but for now, it's quite comfortable in this room, for the first time in 3+ years that we've lived here. the cooling performance is top tier, the remote works a treat and helps if you have chronic pain like myself.It fit into our window super simply and easily, and even locked into place once I set it up, I love the little table-feet things, for if we need to put it into storage, and while it's just a little bit more loud than a regular tower fan, the noise level is a great deal less than getting a window-a/c unit.Overall, thus far, I am super happy with this purchase!!
User
Nice window fan
This window fan works great! It is made of lightweight plastic, so it is not as heavy as the Bionaire fan, but it does not feel flimsy or affect its performance.I have been using it for about two weeks, sometimes for up to 16 hours a day during the New York summer. I was worried that it might overheat, but it has continued to work perfectly. It feels durable, provides good airflow, and the noise is barely noticeable.
User
2026 good, not 1990 good tho
Not to say ancient, but they don’t make things like they used too.This fan is pretty good! It has 3 speeds and can vent, draw or both. It performs those tasks (which isn’t as common any more) and the remote is handy! That said, if you’re replacing one from your parents or grandparents gen, the power will be disappointing. It’s very 2026, not made to last, not made to rip.I don’t regret and would likely suggest, but compared to older similar machines, it can’t hold (nor blow out) a candle.
User
LOUD!
it's really loud! not only is there a constant hum, but weeks later it developed a wobble/imbalance noise. just after the return window closed. not recommended.
User
Hit and miss
Just got my fan today and i love it. It fits perfectly in my window without removing the existing screen. My previous fan was insanely loud so for me the noise lvl is no issue at all much better then my old 1. I could do without the beeps when pushing buttons but its not as bad as i was expecting from the reviews. I have it set to circulate and in a short time the room is already a few degrees cooler. Some reviewers had issues with the expanding bellows on each side. Maybe they had a defective 1 or were not unlocking or locking the clips properly because mine slides out easily and fully and securely locks in place with the locking clips on all 4 corners. If you want more of an air tight seal between the fan and the window, you can always get insulation foam tape. But honestly i dont think you will need it unless you have odd shapped window frames.I think im going to get another 1 for the kitchen to exhaust and circulate since it can get very muggy while cooking.Update:I changed my star rating from 5 to 2. As you can see my first fan was a solid 5 star experience. However the second fan was deffective. The front cover which the motor is mounted to was deformed and concaved inward causing the blades to hit the rear cover to the point the left blade would not spin. Because i didnt want to go through the hassle of returning it i got a wooden spatula and pushed the fan outward from behind. Its still concaved but at least it works (for now.). Make no mistake while a window fan can be very effective at cooling or venting a room, this brand and model is very flimsy and cheaply made. I no longer have confidence in how long any of the fans i bought will last. I will not be buying a 3rd 1 like i originally planned. Very disappointed.
User
Reverse flow with a push of a button
I have enjoyed this fan. It's light weight, convenient, and user friendly.
User
WOW to WTF. 💯 NOT recommend
Second season of use. Install. Turn in. One fan doesn’t work.Piece of crap.Aldi has a similar fan for $20 less. Remote and two way with multiple options. Might as well be the same thing.A fan should not break by the third season at this price.Epic fail.⭐️Leaving original review below so everyone who wants to believe in a five star may have this at first.In this state you only need a fan for maybe four months on and off.Especially with this vintage property designed for wind flow since AC wasn’t in existence back in the day. Plus, not designed for central air.Tip, before getting central air in an older designed house from early 19th century, lots of complaints the second floor doesn’t cool.Design issues are due to those houses likely have air flow built in. Though in hot days an exhaust fan or ac can help.I bought portable ac’s for each room to plug into the venting system.With modest use I’ve never had a fan break down after two seasons EVER.Will never repurchase this brand at this price.My first statement in the original review makes me laugh now. I totally understand why someone would consider this fan a piece of crap after a half year of use. Meaning six months.If insurance sold at a few dollars I would recommend this. I’ve had great success with the times I’ve needed replacement on electronics.Never thought for a minute I’d need fan insurance. Less then paying to replace. But for this fan price can buy two at Aldi with remotes and do the same exact work and look similarly.Major disappointment/\ updateI'm not certain why someone doesn't like this fan. It exceeds my expectations and I'd read the description.Actually having it in use is a magical experience. How?I'd previously been using a box fan. Turn in or out depending on the need.I'd owned a fan similar to this year ago BUT it didn't do all these functions. Or have a remote.The house I bought from 1900 is designed not to need air conditioning. It has two windows in each room on opposite walls. Plus the attic. The cool air pulls through the house when doors are opened.Rarely do I ever need to cool the house except on the second floor facing the sun on one side in the afternoon or when humidity is obnoxious. Since I have a dog and we like to be outside I work to keep cool air to a minimum so we enjoy being outdoors with no complaints all summer.What I really wanted to be a fan like this. Looks attractive. Assists with air movement either outside or into the house.The ’circulate’ option is fantastical.The dog loves it and is laying in front of it with his nose toward the breeze. He's never done this before. Big old German Shepherd is a happy boy, too.I'd priced similar at big box hardware stores. I'm so glad I went with this one here. It's perfect and the best price of all the stores I browsed.I will be buying more for other rooms.⭐️⭐️⭐️⭐️⭐️💯😁
User
Used to Reduce CO2 in home office
Used to reduce carbon dioxide in home office.We kept getting headaches in small home office where we work and play games. Bought a CO2 monitor only to realize we were getting to levels of 1500-1600 and anything over 1800 is considered pretty bad!Bought this. Light weight, fit in window easily (didn't need feet, fit in window sill without removing window screen).First day was in office- In 2 hours use on exhaust on medium, CO2 went down from 1500 to 600. Second day, tried it in bedroom window directly across hall in window on farthest wall on medium. In 1.5 hrs CO2 went from 1200 to 750. Have gotten it as low as 500. CO2 rises from breathing as well using gas appliances (we have a gas stove).Prefer it in bedroom as it is a little loud for me (easily over stimulated by noise). But it isn't so loud you can't hold conversation or anything. Light weight enough that I just take it out of window at night and set it on the sill or floor.Air in rooms definitely feel less dense and more fresh. Very happy with this window fan unit!If you're getting headaches in specific rooms at home, consider it might be CO2 and get some ventilation asap!
User
Definitely helps keep the air circulating and room cooler at night
We already had one of these Window Twin Fans and knew they worked well for what their meant to do. So I wanted another one to put in our livingroom window as the other one is in a bedroom in our apt.On a very hot day like today at 43c/109f in Ontario Canada we are sizzling! I don't run it through the day as I keep my drapes closed to keep the hot air out. But after dinner once the sun has started to set I will turn it on to exhaust the hot air out of the room first leave it on awhile then in the evening I will then turn it to draw the cooler air in the room. This works like a charm believe me!!With it's good selection of speeds and direction of air this really does make a difference. We also have a air conditioner in the livingroom and at night this also helps move the air around while drawing in cooler air where I'm able to sometimes shut off the air conditioner.Have had this now 2 seasons and it's working like a charm no complaints easy to wipe down at the end of the season when I pull it out of the window to put away for winter. I can see when there's heat waves upon us these types of window fans sell out everywhere and fast because they inexpensive and they work!! Very happy and pleased to have purchased this fan!!
User
La mejor inversión en estos tiempos de calor
Ha sido la mejor compra para estos tiempos de calor pues puedo jalar el aire frío de afuera ya que un ventilador normal no me era suficiente para refrescarme con estos calores.Me encanta que tiene el control remoto y que tiene la opción tanto de sacar el aire caliente de mi habitación o bien, jalar aire frío de afuera hacia mi cuarto. También tiene la opción para reciclar el aire.Otra ventaja que me gustó es que puedo ponerle las patitas y lo pongo frente a mi cuando trabajo en la computadora, en caso de que necesite aire directo o que esté lloviendo.Hay otros ventiladores de ventana que no traen estas patitas y no podía ponerlo frente a mí. Esté sí tiene esta opción.No es ruidoso. Puedo dormir tranquilamente.
User
Excelente
Mega nice! Excelente, si funciona al 100
User
Love it!
It works so good. I love the different options it has. My one dislike is the beep it makes every time you push a button. Either than that its great.
User
Pleased overall but expanders are useless
Overall, I am quite happy with it so far and feel I received good value for the price (bought it on Prime Day for $68). It moves air pretty well and while I didn't think I would have much use for the circulate option that's what I use most of the time. Bit noisy at top speed but I live downtown and get so much noise through the window to begin with (traffic, sirens, yelling weirdos, etc.) that the fan noise becomes white noise for me however, if you are used to a quiet bedroom this may be an issue for you. I like having the remote so I don't have to get out of bed at night to change settings. Only negative thing and the reason I took off a star from my rating is that the accordion expanders are garbage, as they won't lock into place. I use the fan vertically in the window and there is absolutely no way I would trust them to hold the fan in place so I had to improvise. I use the bug screen on the outward facing side all the time in addition to the window screen and like having the fabric screen to put on when I go out so I don't have to worry about the schmutz coming in from the street all day. There was no problem fitting the fan into my window.Update August 25, 2024:Happy to say that the fan is still working as well as when I starting using it last year. With the heat we've had, it has been on more days and for longer periods of continuous time so I am still very pleased with my purchase.
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