Portable Windowless Air Conditioner with Remote Control - Energy Efficient Cooling for Home, Office, and Small Spaces

Portable Windowless Air Conditioner with Remote Control - Energy Efficient Cooling for Home, Office, and Small Spaces

Marsoni

M251S

$147.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Portable Windowless Air Conditioner with Remote Control - Energy Efficient Cooling for Home, Office, and Small SpacesWindowless, Hose Free Cooling No Installation Required Looking for a no vent air conditioning solution that works anywhere? This portable, windowless air conditioner is fully self contained no hose, no window kit, no permanent setup. Just plug it in and enjoy energy efficient cooling in your home, flat, office or caravan. Key Benefits 3 in 1 system: Air cooler, humidifier & purifier No vent operation works without window or hose Self contained & easy

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Good product, not much to say. The product arrived quickly, looks to be of high quality construction, fit perfectly and took me only a couple of minutes to install. I love it when a product is no frills and delivers as advertised. I've used various filters from K&N before and have always had very good success with them so I will be buying more of these for sure when the time comes.

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Reviewed in the United States on November 9, 2025

Verified Purchase

john A.

Birmingham, US

★★★★★ 5

Better than most.

Size: (Pack of 1)

Looks good, perfect fit.

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Reviewed in the United States on May 25, 2026

Verified Purchase

Willy Bill

Charlottesville, US

★★★★★ 5

Great Filter

Size: (Pack of 1)

This fits fine. Just wish it was a little easier to change.

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Reviewed in the United States on April 26, 2026

Verified Purchase

Bozeman, US

★★★★★ 5

More power, slightly lower (8%) MPG.

Size: (Pack of 1)

Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.

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Reviewed in the United States on May 24, 2026