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❄️ Lock in the chill, lock out the heat — your AC’s new best friend!
The LYUNIT AC Window Seal is a 400cm portable, universal-fit kit designed to improve the cooling efficiency of mobile air conditioners and tumble dryers. Featuring a water-repellent, durable fabric with a high-quality zipper closure, it prevents hot air infiltration, insect entry, and rainwater intrusion. Easy to install with strong adhesive tape and no drilling required, it fits most standard windows and helps reduce energy consumption and carbon emissions while enhancing indoor comfort.
| ASIN | B08B1BQJ9J |
| Air Conditioner Application | Air Conditioning |
| Best Sellers Rank | 4,997 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 8 in Air Conditioner Parts & Accessories |
| Brand | LYUNIT |
| Brand Name | LYUNIT |
| Colour | White |
| Compressor Type | rotary_scroll |
| Control Method | Remote |
| Controller Type | Touch Control |
| Core Material | Copper |
| Country Of Origin | China |
| Customer Reviews | 4.0 out of 5 stars 1,178 Reviews |
| Efficiency | increased cooling efficiency |
| Form Factor | Seal with Zipper |
| Form factor | Seal with Zipper |
| Included Components | 400 cm window seal + magic tape |
| Installation Type | Moderate |
| Inverter Type | No Inverter |
| Is Electric | Yes |
| Is Outdoor Unit Required | No |
| Is Product Cordless | No |
| Manufacturer | shenzhenshipenghaoanquanjishushiwuyouxiangongsi |
| Model Name | KTB-1 |
| Model Number | KTB-1 |
| Number Of Circuits | 1 |
| Operating Mode | Cooling |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Seasonal Energy Efficiency Ratio (SEER) | 5 |
| Seasonal energy efficiency ratio (SEER) | 5 |
| Special Features | Waterproof, Easy To Install, Universal, Portable |
| Special feature | Waterproof, Easy To Install, Universal, Portable |
| UPC | 783902063891 |
| Warranty Type | Limited |
| Window Opening Maximum Height | 100 Centimetres |
| Window Opening Maximum Width | 127 Centimetres |
| Window Opening Minimum Height | 24 Inches |
| Window Opening Minimum Width | 100 Centimetres |
K**O
Very useful for my recently bought AC
Very useful even though it’s a bit too long for my window
J**Y
Works Well Once Installed Correctly
This window seal does exactly what it's supposed to do and helps my portable air conditioner work much more efficiently by preventing warm air from coming back into the room. The reason I'm giving it 4 stars instead of 5 is that the installation wasn't as straightforward as I expected. The instructions left me a bit confused, and I struggled to fit it properly on the first attempt. After watching a couple of YouTube videos, I understood how it should be installed and managed to fit it without any problems. Once in place, it created a good seal around the window and AC hose, and the difference in cooling performance was noticeable. Overall, it's a good product and works well, but be prepared to spend a little time figuring out the installation if you've never used one before.
J**J
Fitted my window so I’m happy
Easy to use Velcro provided with instructions with zippers to hang out duct.
S**I
Didn't last long, unfortunately
Unfortunately just over the month, tiny tear so not suitable for use.
A**R
It works
Works with hinge windows for vented air con units . Easy to install and comes with plenty of velcro tape to attach to your window. Cheaper and just as effective than the AC unit branded version.
T**G
AVOID
The velcro has just melted off in the heat rendering it entirely useless.. and even worse, there were holes burned into the material from the sunlight! Lucky the house didn't burn down!! Avoid.
S**N
Great for flat or apartment
Perfect for my aircon unit. The tube is long and flexible. Thick durable material so holds its shape
S**Q
Read the instructions well.
I found it a little bit fiddly but got there in the end by watching a You tube video. Am very pleased with results and definitely stops the heat coming in.
G**Y
Neem de tijd
Het is van belang het kozijn goed schoon te maken en netjes af te meten, vervolgens goed aandrukken zodat het lijm goed hecht. Het heeft me een uurtje gekost maar hij zit perfect en laat niet los.
D**S
Super
Super
M**E
Nikel
Genial bon moi et mon Copin l’avion super mal monter et couper . Mais fait largement le taff Sa fait plusieur Anne que je l’es et il marche toujours autant
C**N
Muy buena solución
Fácil instalación. Soluciona el problema de aislamiento. Se calienta un poco pero es normal. Buena compra. Medir bien las ventanas donde se va a instalar
M**A
Davvero funzionale
Facile da montare, grazie alla cerniera permette di aprire la finestra, elimina il rientro del calore emesso dal riscaldamento del tubo del condizionatore (dipende dalla lunghezza del tubo). Qualche grado in meno in questa estate rovente...
Trustpilot
2 days ago
1 week ago