--- product_id: 740332383 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: "¥11379" currency: JPY in_stock: true category: "Tohonfoo" url: https://www.desertcart.jp/products/740332383-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3 store_origin: JP region: Japan --- # Fits 25"Lx17"Hx3.5" units perfectly Velcro straps ensure airtight seal 3-layer insulation blocks drafts 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:** ¥11379 **Availability:** ✅ In Stock ## Summary > ❄️ Seal the chill, save the bill — stay warm in style! ## 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?** ¥11379 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/740332383-25lx17hx3-5-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 - • **Secure Velcro Seal:** Pre-sewn and adhesive-backed velcro straps lock in warmth and block drafts effortlessly - • **Energy-Saving Shield:** Reduces heat loss in winter, cutting your heating bills while keeping your space cozy - • **Triple-Layer Defense:** 600D waterproof oxford + 2mm foam + aluminum foil for ultimate draft protection - • **Dual Closable Cord Ports:** Two wire holes with closures prevent cold air sneaking in through cables - • **Tailored Fit for Your AC:** Designed to snugly fit most 10,000-12,000 BTU window units, eliminating cold air leaks ## 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. Sized at 25"Lx17"Hx3.5", it fits most 10,000-12,000 BTU window AC units perfectly. Equipped with secure velcro straps and dual closable cord holes, it effectively blocks drafts and reduces heat loss, helping to lower winter heating costs while maintaining a sleek, black 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 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 | TOHONFOO | | Colour | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (441) | | Item Type Name | Air Conditioner Cover Indoor | | Manufacturer | TOHONFOO | | Model Number | HF-ACCI-25-17-3.5-BK | | Number of Items | 1 | | Part Number | HF-ACCI-25-17-3.5-BK | | Strap Type | Velcro strap | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** TOHONFOO - **Colour:** Black - **Number of items:** 1 - **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/51dtTGX8KxL.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/41EGRfeKN9L.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/51dLNK7nJbL.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/41C5SkDHX4L.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.jp/products/740332383-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3](https://www.desertcart.jp/products/740332383-25lx17hx3-5-indoor-air-conditioner-cover-for-window-units-3) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-02*