---
product_id: 685631092
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, Beige"
brand: "tohonfoo"
price: "₱6210"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/685631092-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3
store_origin: PH
region: Philippines
---

# 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, Beige

**Brand:** tohonfoo
**Price:** ₱6210
**Availability:** ✅ In Stock

## Summary

> ❄️ Seal in warmth, block 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, Beige by tohonfoo
- **How much does it cost?** ₱6210 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/685631092-21lx15hx3-5d-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:** Pre-sewn & adhesive-backed velcro ensures zero cold air sneaks in
- • **Slash Heating Bills:** Stops heat loss by sealing cold drafts, saving you money this winter
- • **Triple-Layer Defense:** 600D Oxford + 2mm foam + aluminum foil block drafts like a pro
- • **Dual Closable Cord Ports:** Wire holes on both sides with closures keep drafts out without sacrificing convenience
- • **Tailored Fit for 6000-8000 BTU Units:** Precisely sized to hug your AC, no gaps, no fuss

## Overview

This 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 to effectively block cold drafts. Designed to fit most 6000-8000 BTU window AC units (21"L x 15"H x 3.5"D), it secures tightly with pre-sewn and adhesive velcro strips, preventing heat loss and reducing winter heating costs. Dual closable cord holes add convenience while maintaining a windproof seal.

## 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 |
|---------------|-------|
| Closure type | Hook & Loop |
| Product Dimensions | 53.34 x 38.1 x 8.89 cm; 231 g |
| Batteries required | No |

## Product Details

- **Material:** aluminum
- **Colour:** Beige
- **Brand:** TOHONFOO
- **Item weight:** 0.23 Kilograms
- **Water resistance level:** Water Resistant

## 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, Beige - Image 1](https://m.media-amazon.com/images/I/81xdIne70xL.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, Beige - Image 2](https://m.media-amazon.com/images/I/71V2l2lscTL.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, Beige - Image 3](https://m.media-amazon.com/images/I/71QNaDvIt5L.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, Beige - Image 4](https://m.media-amazon.com/images/I/71yUu96NKcL.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, Beige - Image 5](https://m.media-amazon.com/images/I/71W6abs5gVL.jpg)

## Available Options

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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ph/products/685631092-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3](https://www.desertcart.ph/products/685631092-21lx15hx3-5d-indoor-air-conditioner-cover-for-window-units-3)

---

*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-02-08*