--- product_id: 548644048 title: "Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode" brand: "bosch thermotechnik" price: "¥453938" currency: JPY in_stock: true reviews_count: 8 category: "Bosch Thermotechnik" url: https://www.desertcart.jp/products/548644048-bosch-cool-5100-portable-ac-3-in-1-air-conditioner store_origin: JP region: Japan --- # 30% energy-saving inverter tech Ultra-quiet 43 dB operation 3.4 kW cooling power Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode **Brand:** bosch thermotechnik **Price:** ¥453938 **Availability:** ✅ In Stock ## Summary > ❄️ Stay cool, save energy, and silence the heatwave—because comfort is the new status symbol. ## Quick Answers - **What is this?** Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode by bosch thermotechnik - **How much does it cost?** ¥453938 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/548644048-bosch-cool-5100-portable-ac-3-in-1-air-conditioner) ## Best For - bosch thermotechnik enthusiasts ## Why This Product - Trusted bosch thermotechnik brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Savvy & Safe:** Inverter tech cuts power use by 30%, while auto shut-off and overheating protection keep you worry-free. - • **Whisper-Quiet Efficiency:** Enjoy powerful cooling at just 43 dB—perfect for focused work or restful sleep. - • **Effortless Mobility & Setup:** Compact design with wheels and handles plus quick-install window kit means instant cool anywhere. - • **Triple-Action Climate Control:** Cool, dehumidify, and ventilate with one sleek unit for year-round comfort. - • **Smart Modes at Your Fingertips:** Auto, Silent, and Sleep modes adapt effortlessly to your lifestyle with one touch. ## Overview The Bosch Cool 5100 Portable AC delivers 3.4 kW of powerful cooling for rooms up to 46 m², combining air conditioning, dehumidifying, and fan functions in one compact, energy-efficient unit. Featuring inverter technology for up to 30% energy savings and ultra-quiet operation at 43 dB, it offers smart pre-set modes (Auto, Silent, Sleep) for seamless comfort. Designed for easy mobility with integrated handles and wheels, plus a quick-install window kit, it ensures safe, flexible use with automatic shut-off and overheating protection—ideal for modern professionals seeking reliable, stylish climate control. ## Description Product Description Product Range Overview Cool 5100 Energy Class A+ Cooling Performance 3,4 kW Cooling Performance 12.000 BTU/h Cooling Capacity 115 m' (~46 m') Product Size (HxWxD) 800 × 460 x 400 mm Combined Hose Tech Yes Inverter Technology Yes Learn More Cool 5100 Energy Class A+ Cooling Performance 3,4 kW 12.000 BTU/h Cooling Capacity 115 m' (~46 m') Product Size (HxWxD) 800 × 460 x 400 mm Combined Hose Tech Yes Inverter Technology Cool 2000 Energy Class A Cooling Performance 2,6 kW Cooling Performance 9.000 BTU/h Cooling Capacity 88 m' (-35 m') Product Size (HxWxD) 720 × 420 x 338 mm Combined Hose Tech No Inverter Technology No Learn More Cool 2000 A 2,6 kW 9.000 BTU/h 88 m' (-35 m') 720 × 420 x 338 mm No Cool 4000 Energy Class A+ Cooling Performance 2,6 kW Cooling Performance 9.000 BTU/h Cooling Capacity 88 m' (-35 m') Product Size (HxWxD) 800 × 460 x 400 mm Combined Hose Tech Yes Inverter Technology No Learn More Cool 4000 Review: Excellent Performance and Cooling Power, a Lifesaver in the Heat - I wanted to share my experience after using this Bosch portable inverter air conditioner. It truly has fantastic performance; in a room of about 18 square meters, it quickly brought the temperature down to 18°C while it was 30°C outside, allowing me to get a very good night's sleep. The unit collected about 3 liters of water in my container over 12 hours, and the noise level was really tolerable and low during the night. While we do experience some temperature loss due to my unsealed window, that's an issue with the house's structure, not a fault of the appliance. Overall, I am very positive about it. I highly recommend considering this air conditioner! Review: Exceeded expectations! - After quite a lot of research this unit was purchased to replace a 9 year old Ac that had become inefficient and expensive to run. The Bosch Cool 5100 is very impressive for its quiet operation in general use and near silent night setting. The cooling is very efficient and although we have only had it a relatively short time it easily managed to keep the entire upstairs in a four bedroom house reasonably cool with an outside temperature of 30c (this was with the assistance of some additional fans to move the air room to room). It is easily able to keep a large sitting room cool and is very unobtrusive once it has reduced the initial room temperature. The unit seems very solidly built and has a well designed and easy to use control panel as well as a remote control which is handy. The Inverter cooling system is a big step forward, keeping the unit very quiet and noticeably reducing running costs. We have had no problems with the water tank becoming full as reported by others, all the condensation has been evaporated via the exhaust air hose. Certainly worth the premium price for the advanced tech and quality. ## Features - Simply Comfortable: Three integrated functions (cooling, dehumidifying and ventilation) ensure pleasant air quality with three speed settings, supporting a balanced climate in your home throughout the year - Simply Powerful & Quiet: 3.4 kW cooling power for rooms up to 115 m³ (46 m²), inverter technology saves up to 30% energy, power consumption only 1.0 kWh/h, pleasantly quiet operation from 43 dB(A) - Bosch Easy Cool Select: Thanks to the pre-programmed modes (Auto Mode, Silent Mode, Sleep Mode), you can choose the right setting for your daily activities with just one click - Simply Flexible: With integrated handles, smooth-running wheels, compact design, and intuitive touch display, transporting between different rooms is easy, and operation as well as storage are particularly comfortable - Simply Safe: The window kit and integrated exhaust hose allow for quick installation, while the automatic shut-off function and overheating protection ensure safe operation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GHZVCB53 | | Air Conditioner Application | Residential | | Annual Energy Consumption | 1 Kilowatt Hours | | Best Sellers Rank | 1,523 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 62 in Mobile Air Conditioners | | Brand | Bosch Thermotechnik | | Brand Name | Bosch Thermotechnik | | Capacity | 80 litres | | Colour | White | | Control Method | Remote, Touch | | Controller Type | Touch Control | | Cooling Power | 3.4 Kilowatts | | Cooling power | 3.4 Kilowatts | | Country Of Origin | China | | Customer Reviews | 4.1 out of 5 stars 16 Reviews | | Efficiency | A+ | | Floor Area | 46 Square Meters | | Form Factor | Portable | | Included Components | Installation Kit | | Installation Type | Cabinet | | Inverter Type | Has Inverter | | Is Outdoor Unit Required | No | | Item Dimensions D x W x H | 46D x 40W x 80H centimetres | | Item Weight | 31.5 Kilograms | | Manufacturer | Bosch Thermotechnik GmbH | | Model Name | Cool 5100 | | Model Number | 7738347000 | | Noise | 43 Decibels | | Operating Mode | Cooling, Dehumidifying, Air Circulation | | Power Source | Corded Electric | | Product Warranty | 2 years from the date of purchase. | | Product dimensions | 46D x 40W x 80H centimetres | | Room Type | Multi-purpose | | Special Features | Inverter Technology, Dehumidifier, Ultra-Quiet Operation | | Special feature | Inverter Technology, Dehumidifier , Ultra-Quiet Operation | | Unit Count | 1.0 count | | Voltage | 220 Volts | | Wattage | 1300 watts | ## Product Details - **Brand:** Bosch Thermotechnik - **Capacity:** 50 litres - **Colour:** White - **Cooling power:** 2.6 Kilowatts - **Noise level:** 46 Decibels - **Product dimensions:** 42D x 33.8W x 72H centimetres - **Seasonal energy efficiency ratio (SEER):** 14 - **Special feature:** Dehumidifier,Led,Portable - **Start year:** 2023 - **Voltage:** 220 Volts ## Images ![Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode - Image 1](https://m.media-amazon.com/images/I/61VqKTdaSqL.jpg) ![Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode - Image 2](https://m.media-amazon.com/images/I/81gvcMFjk+L.jpg) ![Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode - Image 3](https://m.media-amazon.com/images/I/71016Ppy7RL.jpg) ![Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode - Image 4](https://m.media-amazon.com/images/I/81Ny5jXD19L.jpg) ![Bosch Cool 5100 Portable AC - 3-in-1 Air Conditioner, Dehumidifier, Fan - 3.4 kW for rooms up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode - Image 5](https://m.media-amazon.com/images/I/81BqnQf8XlL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Does it have a tank for dehumidifier & what is the minimum temperature it will operate at please** A: It has an internal tank and the display lets you know when full. Using the pipe supplied you can then drain the tank. Cooling mode goes down to 16 degrees **Q: Does this have the ability to cool down 2 bedrooms?** A: I have it in the hall outside 3 bedrooms. It cools the hall down very well but the bedrooms take much longer to cool and don't cool as much. If you had one in each bedroom it would be far more effective of course. **Q: Can the hose be extended as the unit cannot be sited near a window** A: The hose is a fixed length. If you can't site near a window then you will need to purchase a hose that will be long enough to reach the window and hang outside it. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Performance and Cooling Power, a Lifesaver in the Heat *by M***D on 26 May 2026* I wanted to share my experience after using this Bosch portable inverter air conditioner. It truly has fantastic performance; in a room of about 18 square meters, it quickly brought the temperature down to 18°C while it was 30°C outside, allowing me to get a very good night's sleep. The unit collected about 3 liters of water in my container over 12 hours, and the noise level was really tolerable and low during the night. While we do experience some temperature loss due to my unsealed window, that's an issue with the house's structure, not a fault of the appliance. Overall, I am very positive about it. I highly recommend considering this air conditioner! ### ⭐⭐⭐⭐⭐ Exceeded expectations! *by K***D on 3 June 2026* After quite a lot of research this unit was purchased to replace a 9 year old Ac that had become inefficient and expensive to run. The Bosch Cool 5100 is very impressive for its quiet operation in general use and near silent night setting. The cooling is very efficient and although we have only had it a relatively short time it easily managed to keep the entire upstairs in a four bedroom house reasonably cool with an outside temperature of 30c (this was with the assistance of some additional fans to move the air room to room). It is easily able to keep a large sitting room cool and is very unobtrusive once it has reduced the initial room temperature. The unit seems very solidly built and has a well designed and easy to use control panel as well as a remote control which is handy. The Inverter cooling system is a big step forward, keeping the unit very quiet and noticeably reducing running costs. We have had no problems with the water tank becoming full as reported by others, all the condensation has been evaporated via the exhaust air hose. Certainly worth the premium price for the advanced tech and quality. ### ⭐⭐⭐⭐⭐ Excellent cooling performance. Quiet. *by A***R on 17 June 2026* Excellent cooling performance. Quiet even when the compressor is running and a smooth off/on transition as its the inverter type, no clunk like on cheaper AC units with the old type compressors. Looks great and the remote feels premium also has an LCD on the remote. You might need to buy a window seal if the supplied one is not suitable for your window type. ## Frequently Bought Together - Bosch Cool 2000 Portable AC - 3-in-1: Air Conditioner, Dehumidifier, Fan - 2.6 kW for Rooms of up to 35m² - With Auto Mode, Silent Mode & Sleep Mode - Blauberg 6m Portable Air Conditioner Hose Extension kit (6 Metre Kit) --- ## 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/548644048-bosch-cool-5100-portable-ac-3-in-1-air-conditioner](https://www.desertcart.jp/products/548644048-bosch-cool-5100-portable-ac-3-in-1-air-conditioner) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-23*