Does anyone know if there is any demonstration video to show me how to install the window seal? I have some challenges to install it.

For inward open window, you can refer to the installation video https://youtu.be/35aNfQWsjwg

how do i know if i need a 300cm or 400?

Hello, you can measure four open sides of the window and calculate the total length of them, if the total length is equal or less than 300cm, than you can select 300cm size, if equal or less than 400cm, than you can choose 400cm size. Important note, if you open the window, there is no gap where the window is attached to the frame, then you can just need to measure three open sides. Anything unclear please contact us via info@hoomee.com ,Thank you.

Will it work with a skylight?

Hello, it is open from the top, then it can work, if it is center pivot window, it doesn't Thank you.

Will this work on my windows that open outward?

Yes, a window that opens outward is what I installed it on. Follow the directions very carefully, they are complicated, but they work.

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HOOMEE 157”(400CM) Universal Window Seal for Mobile Air Conditioner and Tumble Dryer – Window Kit Works with Portable AC, Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener

Product ID: 61524837

Details

Brand
HOOMEE
Color
White
Material
Fabric
Opacity
1 inches
Product Dimensions
157"L x 15.7"W

📏157-inch universal fit

🔒Secure zip closure

🛠️Tool-free adhesive install

R1115

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Seal the heat out, keep your cool in style!

ENERGY COST SAVER - Reduces energy consumption and lowers your summer electric bills
DURABLE SECURE SEAL - Heavy-duty polyester fabric with zip closure keeps exhaust hose firmly in place
UNIVERSAL 157 INCH FIT - Seals windows up to 400 cm perimeter for all portable ACs & dryers
EFFORTLESS INSTALLATION - No drilling or extra tools—adhesive hook tape and zip closure included
MAXIMIZED COOLING EFFICIENCY - Blocks hot air return flow to boost AC performance and speed cooling

The HOOMEE 157” Universal Window Seal is a durable, easy-to-install fabric kit designed to fit windows up to 400 cm perimeter. It creates a tight seal around portable AC and dryer exhaust hoses using adhesive hook tape and a secure zip closure, effectively blocking hot air from entering and improving cooling efficiency. This tool-free solution helps reduce energy consumption and is compatible with various window types, making it a smart upgrade for any modern home seeking comfort and savings.

Specifications

ASIN	B07BPZGJ3B
Additional Features	Tool Free Installation
Best Sellers Rank	#52,849 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #95 in Accessories (Home & Kitchen)
Brand	HOOMEE
Brand Name	HOOMEE
Closure Type	Zipper
Color	White
Compatible Devices	Portable air conditioners and tumble dryers
Control Type	Manual
Customer Reviews	4.1 out of 5 stars 12,875 Reviews
Included Components	Adhesive hook tape, zip closure
Item Dimensions L x W	157"L x 15.7"W
Item Weight	0.4 kg
Manufacturer	HOOMEE
Material	Fabric
Material Type	Fabric
Model Number	AL003
Mounting Type	Inside Mount
Number Of Panels	1
Number of Items	1
Opacity	1 inches
Operation Mode	Manual
Product Care Instructions	Spot Clean Only
Product Dimensions	157"L x 15.7"W
Recommended Uses For Product	Indoor
Room Type	Bathroom
Shape	Rectangular
Size	157 Inch
Specific Uses For Product	Sealing windows, blocking hot air, air exchange
UPC	708315566043
Water Resistance Level	Not Water Resistant

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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