---
product_id: 740332357
title: "25\"Lx17\"Hx3.5\" 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, BLack"
brand: "tohonfoo"
price: "¥13861"
currency: JPY
in_stock: true
category: "Tohonfoo"
url: https://www.desertcart.jp/products/740332357-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3
store_origin: JP
region: Japan
---

# Fits 25"x17"x3.5" units Velcro-secure tight seal 3-layer insulation shield 25"Lx17"Hx3.5" 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, BLack

**Brand:** tohonfoo
**Price:** ¥13861
**Availability:** ✅ In Stock

## Summary

> ❄️ Seal in comfort, block out the chill — your AC’s winter armor!

## Quick Answers

- **What is this?** 25"Lx17"Hx3.5" 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, BLack by tohonfoo
- **How much does it cost?** ¥13861 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/740332357-25lx17hx3-5-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 in winter, making your home cozier and your wallet happier.
- • **Velcro Lockdown Seal:** Pre-sewn and adhesive-backed Velcro ensures zero cold air sneaks in.
- • **Dual Closable Cord Ports:** Two wire holes with closures prevent drafts while keeping cords tidy.
- • **Triple-Layer Thermal Defense:** 600D waterproof oxford + 2mm foam + aluminum foil block drafts like a pro.
- • **Precision Fit for 10,000-12,000 BTU Units:** Custom-sized to snugly cover your indoor AC, no gaps, no fuss.

## Overview

The TOHONFOO Indoor Air Conditioner Cover features a robust three-layer insulation system combining waterproof 600D oxford fabric, 2mm thick pearl cotton foam, and reflective aluminum foil. Designed to fit most 10,000-12,000 BTU window units (25"L x 17"H x 3.5"D), it uses secure Velcro straps for a tight, draft-proof seal. Dual closable cord holes enhance windproofing while maintaining cord access. This cover effectively reduces indoor heat loss, helping lower heating costs during colder months.

## Description

1

## 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 25"Lx17"Hx3.5", fitting most of 10000-12000BTU window air conditioners or indoor AC unit size of 23"-25"x 15"-17" 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 | B0D9MC6YYK |
| Brand Name | TOHONFOO |
| Closure Type | Hook & Loop |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (26) |
| Item Type Name | Air Conditioner Cover Indoor |
| Manufacturer | TOHONFOO |
| Manufacturer Part Number | HF-ACCI-25-17-3.5-BK |
| Material Type | aluminum |
| Model Number | HF-ACCI-25-17-3.5-BK |
| Strap Type | Velcro strap |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** TOHONFOO
- **Closure type:** Hook & Loop
- **Colour:** Black
- **Material:** aluminum
- **Water resistance level:** Waterproof

## Images

![25"Lx17"Hx3.5" 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, BLack - Image 1](https://m.media-amazon.com/images/I/71OFfBAH8TL.jpg)
![25"Lx17"Hx3.5" 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, BLack - Image 2](https://m.media-amazon.com/images/I/71ciwiNOSYL.jpg)
![25"Lx17"Hx3.5" 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, BLack - Image 3](https://m.media-amazon.com/images/I/71Cbhto2RyL.jpg)
![25"Lx17"Hx3.5" 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, BLack - Image 4](https://m.media-amazon.com/images/I/71U4o64i43L.jpg)
![25"Lx17"Hx3.5" 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, 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.jp/products/740332357-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3](https://www.desertcart.jp/products/740332357-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-05*