---
product_id: 740332343
title: "21\"Lx15\"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: "11994 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/740332343-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3
store_origin: IS
region: Iceland
---

# Perfect 21"x15"x3.5" fit Velcro-secure seal 3-layer insulation tech 21"Lx15"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:** 11994 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 21"Lx15"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?** 11994 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/740332343-21lx15hx3-5d-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

- • **Velcro Lockdown System:** Pre-sewn & adhesive velcro ensures zero cold air leaks, fast install
- • **Energy-Smart Heat Saver:** Stops heat loss in winter, slashing your heating bills effortlessly
- • **Dual Closable Cord Ports:** Wire holes on both sides with closures to keep drafts out and style in
- • **Triple-Layer Thermal Shield:** 600D Oxford + 2mm foam + aluminum foil block drafts like a pro
- • **Tailored Fit for 6000-8000 BTU Units:** Precisely sized to snugly cover your indoor AC, no gaps, no fuss

## Overview

This 21"x15"x3.5" indoor air conditioner cover by TOHONFOO 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 6000-8000 BTU window AC units, it uses a secure velcro attachment to prevent cold air leaks and includes dual closable cord holes for draft-free wiring. Ideal for reducing heat loss and lowering winter heating costs while maintaining a sleek, brown finish.

## 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 21"Lx15"Hx3.5"D, fitting most of 6000-8000BTU 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 |
|---------------|-------|
| Manufacturer | TOHONFOO |
| Part Number | HF-ACCI-21-15-3.5-BN |
| Product Dimensions | 38.1 x 53.34 x 8.89 cm; 240 g |
| Item model number | HF-ACCI-21-15-3.5-BN |
| Size | 21x15x3.5in |
| Colour | Brown |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 240 g |

## Product Details

- **Colour:** Brown
- **Brand:** TOHONFOO
- **Item weight:** 0.24 Kilograms
- **Water resistance level:** Waterproof
- **Closure type:** Hook & Loop

## Images

![21"Lx15"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)
![21"Lx15"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/71XppHV94SL.jpg)
![21"Lx15"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)
![21"Lx15"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)
![21"Lx15"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 **Colour Name, Size Name** options.

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**Shop now:** [https://www.desertcart.is/products/740332343-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3](https://www.desertcart.is/products/740332343-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-22*