---
product_id: 679735642
title: "Air Conditioner Covers for Inside 21\"W x 15\"H x 3.5\"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black"
brand: "tohonfoo"
price: "55114CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/679735642-air-conditioner-covers-for-inside-21w-x-15h-x-3
store_origin: SN
region: Senegal
---

# Fits 21"W x 15"H x 3.5"D AC units Secure hook-and-loop seal 3-layer insulation shield Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black

**Brand:** tohonfoo
**Price:** 55114CFA
**Availability:** ✅ In Stock

## Summary

> ❄️ Seal the chill, save the thrill!

## Quick Answers

- **What is this?** Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black by tohonfoo
- **How much does it cost?** 55114CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/679735642-air-conditioner-covers-for-inside-21w-x-15h-x-3)

## Best For

- tohonfoo enthusiasts

## Why This Product

- Trusted tohonfoo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Fit for Your AC:** Designed for 19"-20.5"W x 13"-14.5"H units—measure once, seal tight forever
- • **Effortless Secure Attachment:** Pre-sewn adhesive hook-and-loop straps ensure airtight, windproof installation in seconds
- • **Triple-Layer Thermal Defense:** 600D Oxford fabric + 2mm foam + aluminum foil block drafts like a pro
- • **Dual Cord Ports with Closures:** Two closable cable holes prevent cold air leaks—because one just isn’t enough
- • **Slash Your Winter Energy Bills:** Insulated barrier keeps warm air in and cold air out, saving you money and comfort

## Overview

This premium indoor air conditioner cover features a robust three-layer insulation system combining waterproof Oxford fabric, thickened foam, and reflective aluminum foil. Tailored to fit most window AC units measuring 21"W x 15"H x 3.5"D, it secures quickly with hook-and-loop fasteners for an airtight, windproof seal. Dual closable cord holes enhance draft protection, making it an energy-efficient solution to reduce winter heating costs.

## Description

Full description not available

## Features

- 【Three Layers of Insulation to Block Drafts】Unlike other single-layer covers, the Tohonfoo ac covers for inside uses a three-layer structure: (1) 600D waterproof heavy-duty Oxford fabric, (2) 2mm thickened pearl cotton, and (3) insulated aluminum foil
- 【How to Determine the Right Size】The inner size of the air conditioner cover indoor is 21"W x 15"H x 3.5"D, compatible with most of window air conditioners indoor AC unit measuring 19"-20.5" x 13"-14.5" x 3"(W x H x D). For best fit, please measure your actual AC unit before ordering
- 【Secure Hook-and-Loop Fastener Attachment】Our indoor air conditioner cover comes with pre-sewn and adhesive-backed Hook-and-Loop straps for quick and secure attachment to your window air conditioner, creating an airtight seal that blocks drafts
- 【Cut Winter Energy Costs】This indoor indoor ac cover for window unit effectively blocks cold drafts and minimizes heat transfer during winter months, helping you reduce heating costs. Its insulated design creates a thermal barrier to keep warm air in and cold air out
- 【Two Closable Cord Holes】Unlike most winter window AC cover with only a single cord port, our design features dual closable cable accesses on both sides to effectively prevent cold air infiltration

## Product Details

- **Material:** Oxford fabric
- **Color:** Black
- **Brand:** TOHONFOO
- **Water Resistance Level:** Waterproof
- **Closure Type:** Hook & Loop

## Images

![Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black - Image 1](https://m.media-amazon.com/images/I/71OFfBAH8TL.jpg)
![Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black - Image 2](https://m.media-amazon.com/images/I/71HejjNVONL.jpg)
![Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black - Image 3](https://m.media-amazon.com/images/I/71Cbhto2RyL.jpg)
![Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black - Image 4](https://m.media-amazon.com/images/I/71U4o64i43L.jpg)
![Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Black - Image 5](https://m.media-amazon.com/images/I/713O+3QJ2dL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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**Shop now:** [https://www.desertcart.sn/products/679735642-air-conditioner-covers-for-inside-21w-x-15h-x-3](https://www.desertcart.sn/products/679735642-air-conditioner-covers-for-inside-21w-x-15h-x-3)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-02*