---
product_id: 740332332
title: "17\"Lx13\"Hx3.5\"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown"
brand: "tohonfoo"
price: "¥20893"
currency: JPY
in_stock: true
reviews_count: 5
category: "Tohonfoo"
url: https://www.desertcart.jp/products/740332332-17lx13hx3-5d-indoor-air-conditioner-cover-for-window-units-3
store_origin: JP
region: Japan
---

# Perfect 17"x13"x3.5" fit Velcro-secure airtight seal 3-layer insulation shield 17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown

**Brand:** tohonfoo
**Price:** ¥20893
**Availability:** ✅ In Stock

## Summary

> ❄️ Seal the chill, save the bill — winter-ready AC cover for the savvy millennial manager!

## Quick Answers

- **What is this?** 17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown by tohonfoo
- **How much does it cost?** ¥20893 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/740332332-17lx13hx3-5d-indoor-air-conditioner-cover-for-window-units-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

- • **Slash Heating Bills:** Stops heat loss by blocking cold air, making your winter heating more efficient and cost-effective.
- • **Velcro Lockdown Seal:** Pre-sewn & adhesive Velcro ensures zero cold air sneaks in—winter-proof your space.
- • **Dual Closable Cord Ports:** Wire holes on both sides with closures prevent drafts without sacrificing convenience.
- • **Triple-Layer Thermal Defense:** 600D waterproof Oxford + 2mm foam + aluminum foil block drafts like a pro.
- • **Tailored Fit for 3000-5000 BTU Units:** Precisely sized to snugly fit most indoor window ACs, no guesswork needed.

## Overview

The TOHONFOO Indoor Air Conditioner Cover features a robust three-layer insulation system combining waterproof Oxford fabric, thick foam, and reflective aluminum foil to block drafts effectively. Designed to fit most 3000-5000 BTU window units with precise dimensions (17"x13"x3.5"), it secures tightly with pre-sewn and adhesive Velcro, ensuring no cold air leakage. Dual closable cord holes add convenience while maintaining insulation integrity, helping reduce heating costs during colder months.

## Description

1

Review: No More DIY
Review: Cuts Drafts from Small A/C

## Features

- 【Three Layers Of Insulation To Block Drafts】Unlike other single-layer covers, Tohonfoo window air conditioner cover use a three-layer structure: 600D waterproof heavy duty oxford material, 2mm thickened pearl cotton, insulated aluminum foil.
- 【Perfect Fit】The inner size of the indoor air conditioner cover is 17"Wx 13"Hx 3.5"D, fitting most of 3000-5000BTU window air conditioners or indoor AC unit size of 19"-21"x 13"-15" x 3"(L x H x D). Note: Please measure your unit before purchasing.
- 【Velcro Make the Cover Stick Better】Our air conditioner cover for inside comes with pre-sewn velcro and adhesive-backed velcro for quick and secure attachment to your window air conditioner, ensuring a tight seal with no cold air leakage.
- 【Reduce Heating Costs】The AC covers for inside wall unit will effectively block any wind and cold air from entering into the room to ensure that there is no heat loss, which can prevent heat loss in the winter to reducing heating costs.
- 【Two Closable Cord Holes】Unlike many air conditioner covers that only have one wire hole, we have wire holes on both sides, and our wire holes can be closed to avoid drafts through the wire holes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9MD5ZMR |
| Brand | TOHONFOO |
| Colour | Brown |
| Customer Reviews | 4.4 out of 5 stars 371 Reviews |
| Item Type Name | Air Conditioner Cover Indoor |
| Item Weight | 0.15 Kilograms |
| Item weight | 0.15 Kilograms |
| Manufacturer | TOHONFOO |

## Product Details

- **Colour:** Brown
- **Brand:** TOHONFOO
- **Item weight:** 0.15 Kilograms

## Images

![17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown - Image 1](https://m.media-amazon.com/images/I/71uB-UD5VML.jpg)
![17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown - Image 2](https://m.media-amazon.com/images/I/71I1tu7LLgL.jpg)
![17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown - Image 3](https://m.media-amazon.com/images/I/713nzgMbxiL.jpg)
![17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown - Image 4](https://m.media-amazon.com/images/I/711MumSwJ4L.jpg)
![17"Lx13"Hx3.5"D Indoor Air Conditioner Cover for Window Units, 3 Layers Insulation AC Cover for Inside Wall Unit with Aluminum Foil and 2mm Foam, Windproof Window Air Conditioner Cover Inside, Brown - Image 5](https://m.media-amazon.com/images/I/717rnBz1aPL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ No More DIY
*by A***️ on 19 October 2024*



### ⭐⭐⭐⭐⭐ Cuts Drafts from Small A/C
*by M***R on 30 December 2025*



### ⭐⭐ needs better designing
*by X***O on 12 October 2024*



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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-20*