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White Insulated Indoor Window AC Cover, 28x20x3.5" Universal Fit, Dust-Proof Air Conditioner Unit Cover

Name: White Insulated Indoor Window AC Cover, 28x20x3.5" Universal Fit, Dust-Proof Air Conditioner Unit Cover
Brand: Unbranded
SKU: 17279017367
Price: 15.99 USD
Availability: OutOfStock
Rating: 4.6 (7 reviews)

4.6 stars out of 7 reviews

(4.6)|

7 ratings

Key item features

Universal Sizing: Designed for a proper fit, this cover accommodates most window or indoor AC units ranging from 3000BTU to 5000BTU, with inner dimensions of 28" x 20" x 3.5" (L x H x D).
Durable Material: Constructed from 210D polyester/cotton, it effectively blocks wind, cold air, dust, dirt, and small debris from entering the room.
Effortless Installation: Featuring an elastic band, the cover allows for quick, tool-less installation by simply slipping it over the air conditioner unit.
Thermal Efficiency: The integrated cotton material helps reduce heating and cooling air leakage, contributing to stable indoor temperatures and lower winter heating costs.
Unit Protection: This cover safeguards the AC unit from debris, extending its lifespan and reducing the need for frequent cleaning.

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Specs

Size
28" x 20" x 3.5"
Features
Dustproof
Material
polyester/cotton
Color
white
Pattern
Pinstripe
Brand
Unbranded

Current price is $15.99

Price when purchased online

Out of stock

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Out of stock

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About this item

Product details

Product Specification Information. Product Name: Indoor Air Conditioning Unit Cover Color: White Applicable Size: Inside Dimensions 28" x 20" x 3.5" (L x H x D) Applicable Air Conditioning Type: Fits 3000BTU to 5000BTU Window or Indoor Air Conditioning Units ranging in size from 26"-28 " x 18"-20" x 3.5" (L x H x D) Material: 210D polyester/cotton Waterproof rating: non-waterproof Closure: elastic band Installation: tool-less, simple kit design Energy saving effect: reduce heating and cooling air leakage, reduce winter heating costs Protection function: prevent dust and debris from entering the air conditioner, prolong the life of the air conditioner

‌Suitable Size: Inner dimensions of 28” x 20” x 3.5” (L x H x D), fitting most window air conditioners or indoor AC units ranging from 3000BTU to 5000BTU, ensuring a proper fit.
Material Composition: Made from 210D polyester/cotton, effectively preventing wind and cold air from entering the room through the air conditioner, while also blocking dust, dirt, and other small debris.
Easy Installation: No tools required; the cover features an elastic band sewn around it, allowing for quick and easy installation by simply slipping it over the air conditioner.
Energy-Saving Effect: The built-in cotton material reduces the leakage of heating and cooling air, helping maintain indoor temperature and lowering heating costs in winter.
Protects Your AC Unit: Keeps debris and other unwanted items out of the air conditioner, reducing cleaning time, extending the unit's lifespan, and promoting family health.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Air conditioner cover type

Portable Air Conditioner Covers

Size

28" x 20" x 3.5"

Features

Dustproof

Material

polyester/cotton

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.6 out of 5 stars

stars7 ratings4 reviews

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 4 reviews

Feb 13, 2026

Paul

Sold bymoosunkingDelivered byWalmart

5 out of 5 stars review

Verified Purchase

Air

It looks good. Hope it does good next year when winter comes back.

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Nov 3, 2025

james

Sold bymoosunkingDelivered byWalmart

5 out of 5 stars review

Verified Purchase

the cover works great

Helpful?

Mar 18, 2026

james

Top Reviewer

Sold bymoosunkingDelivered byWalmart

5 out of 5 stars review

Verified Purchase

delivered correctly

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White Insulated Indoor Window AC Cover, 28x20x3.5" Universal Fit, Dust-Proof Air Conditioner Unit Cover

Key item features

Specs

How do you want your item?

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