What are Hitachi room air conditioners? What product series are available?

Date: 16-10-2026

Hitachi room air conditioners provide cooling or combined heating and cooling for individual rooms, allowing users to adjust the temperature according to their needs. With a diverse product range, including the airHome, XJ, VJ, EJ, and PJ CMV series, Hitachi offers various options in capacity, technology, and features to suit different spaces. What are the key characteristics of Hitachi room air conditioners, and which product series should you choose? Let U.P Tech guide you through the details in this article.

Điều hòa không khí cục bộ Hitachi là gì? Có các dòng sản phẩm nào?

What Are Hitachi Room Air Conditioners?

Hitachi room air conditioners are split-type systems consisting of an indoor unit installed inside the room and an outdoor unit placed outside. The two units are connected by refrigerant piping and electrical wiring. Each system operates independently, allowing users to turn the unit on or off and adjust the temperature according to the needs of each room.

The range of Hitachi wall-mounted air conditioners available at U.P Tech includes the airHome 100, 300, 400, 500, and 600; XJ CKV; XJ Inverter heat pump; premium VJ Inverter; EJ Non-Inverter; XJ CMV; and PJ CMV series. These options cater to different requirements in terms of capacity, functions, and user convenience.

Hitachi Room Air Conditioner Series Available at U.P Tech

The range of Hitachi room air conditioners available at U.P Tech includes the wall-mounted airHome, XJ, VJ, EJ, and PJ CMV series. Depending on the product series, users can choose Non-Inverter models, Inverter models, or heat pump air conditioners that provide both cooling and heating.

Hitachi airHome 100: Cooling with a Fixed-Speed Compressor

Hitachi airHome 100 is a single-cooling wall-mounted air conditioner that uses a fixed-speed compressor to meet basic cooling needs. Its functions include cooling, dry mode, fan mode, Turbo mode, and timer settings. This series is worth considering for customers who prioritize ease of use and essential features.

Hitachi airHome 300: Inverter Technology with FrostWash Self-Cleaning

Hitachi airHome 300 is a single-cooling Inverter air conditioner that combines variable compressor operation with FrostWash heat exchanger self-cleaning technology. Notable features include Powerful mode for rapid cooling, Silent mode for quieter operation, and dry mode. This series is suitable for users looking for an Inverter cooling system with a feature designed to help keep the indoor heat exchanger clean.

Hitachi airHome 400: Added Convenience for Everyday Use

Hitachi airHome 400 is a single-cooling Inverter air conditioner equipped with FrostWash, GoodSleep Timer, and Mold Guard.

GoodSleep Timer adjusts the temperature according to a preset sleep schedule and turns the unit off at the configured time. Mold Guard helps limit mold accumulation inside the unit by circulating air through internal components after the air conditioner is switched off.

Hitachi airHome 500: Cooling, Air Filtration, and Smart Connectivity

Hitachi airHome 500 is a premium single-cooling Inverter air conditioner equipped with air-cleaning and filtration technologies, including FrostWash, AQtiv-Ion, the ViroSense Z1 filter, and a PM1.0 fine-particle filter.

Built-in Wi-Fi connectivity allows users to control the unit through the airCloud Go app. Users can adjust settings and schedule operation using their smartphones, making it convenient to manage the air conditioner remotely.

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Hitachi airHome 600: Inverter Cooling and Heating

Hitachi airHome 600 is a two-way Inverter air conditioner that provides both cooling and heating. Its notable features include FrostWash for both the indoor and outdoor heat exchangers, a motion sensor that supports Smart Eco mode, and built-in Wi-Fi connectivity through the airCloud Go app. This series is worth considering for users who need temperature control throughout different seasons and value smart control features.

Hitachi XJ CKV Inverter Series

Hitachi XJ CKV combines Inverter technology with FrostWash self-cleaning functionality. The system adjusts compressor speed according to cooling demand while helping remove accumulated dirt from the heat exchanger. This series offers an additional option for customers seeking a wall-mounted Inverter air conditioner with a self-cleaning function.

Hitachi XJ Inverter Heat Pump Series

Hitachi XJ Inverter heat pump models provide both cooling and heating, making them suitable for areas where air conditioning is needed during both hot and cold seasons. Inverter technology adjusts compressor speed according to operating conditions, helping maintain room temperature and use energy efficiently.

Hitachi Premium VJ Inverter Series

Hitachi VJ is a premium Inverter air conditioner series featuring air-cleaning and filtration technologies, including FrostWash, a Wasabi-coated PM2.5 filter, and UV lighting. The series is also equipped with temperature and image sensors designed to help adjust cooling operation according to room temperature and activity levels.

Hitachi EJ Non-Inverter Series

Hitachi EJ belongs to the Non-Inverter air conditioner category and uses a fixed-speed compressor. It is an option within Hitachi's wall-mounted air conditioner range for basic cooling needs. When considering the EJ series, customers should compare cooling capacity, power consumption, and expected usage time to evaluate operating costs.

Hitachi XJ CMV Inverter Series

Hitachi XJ CMV combines DC Inverter technology, FrostWash self-cleaning, and a carbon-coated PM2.5 filter designed to help reduce odors. This series is worth considering for customers who value cooling performance, variable compressor operation, and air-filtration features.

Hitachi PJ CMV Inverter Series

Hitachi PJ CMV features DC Inverter technology, FrostWash self-cleaning, and a Wasabi-coated PM2.5 filter. This series provides another option within the Inverter air conditioner category, with features designed to support heat exchanger cleaning and air filtration. The specific capacity and features should be checked against the exact model before making a selection.

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Key Technologies in Hitachi Room Air Conditioners

FrostWash Helps Clean the Heat Exchanger

FrostWash works by freezing the surface of the heat exchanger to capture accumulated dirt, then melting the ice and rinsing away the contaminants with water. This process helps keep the heat exchanger clean and maintain airflow performance.

FrostWash is available on selected product series, and its cleaning coverage varies by model. Some series use the technology on the indoor heat exchanger, while the airHome 600 is specified with FrostWash for both the indoor and outdoor heat exchangers. The self-cleaning function does not replace filter cleaning or routine maintenance according to the user manual.

Inverter Technology Adjusts Compressor Speed

On models equipped with Inverter technology, compressor speed is adjusted according to cooling or heating demand. This mechanism helps maintain room temperature and optimize energy consumption. Actual performance depends on the model, selected capacity, room conditions, and usage habits. Non-Inverter models, such as airHome 100 and EJ, use fixed-speed compressors.

Air Filtration Features Vary by Product Series

Depending on the model, Hitachi air conditioners may feature fine-particle filters, odor-reducing coatings, or technologies such as AQtiv-Ion and ViroSense Z1. For example, airHome 500 is equipped with a PM1.0 filter, while XJ CMV and PJ CMV feature PM2.5 filters with different coatings. Customers should therefore check the specifications of the exact model when choosing an air conditioner based on air-filtration needs.

Smartphone Connectivity and Control

On models with built-in Wi-Fi, such as airHome 500 and airHome 600, users can connect to the airCloud Go app to control the unit and schedule its operation. Connectivity features, compatible applications, and accessory requirements should be confirmed for each model.

Which Hitachi Room Air Conditioner Series Should You Choose?

Usage requirements	Product series to consider
Basic cooling with a fixed-speed compressor	airHome 100, EJ Non-Inverter
Inverter technology with FrostWash self-cleaning	airHome 300, airHome 400, XJ CKV, XJ CMV, PJ CMV
Cooling and heating	airHome 600, XJ Inverter heat pump
Air filtration and smartphone control	airHome 500, airHome 600
Wasabi-coated PM2.5 filter	VJ, PJ CMV

Important Considerations When Choosing a Hitachi Room Air Conditioner

Select the Capacity Based on the Room's Cooling Load

To select the appropriate air conditioner capacity, customers should consider the room's floor area, ceiling height, sun exposure, window area, insulation, number of occupants, and heat-generating equipment. U.P Tech can help assess the installation site, evaluate cooling requirements, and recommend suitable capacity and equipment placement for the space.

Determine Whether You Need Cooling or Both Cooling and Heating

Customers can choose a single-cooling air conditioner if cooling is their only requirement, or consider two-way models such as airHome 600 and the XJ Inverter heat pump series if heating is also needed. U.P Tech can recommend a suitable product series based on usage requirements and the climate conditions of the installation location.

Compare the Energy Efficiency of Each Model

When comparing air conditioners, customers should review the energy label, CSPF rating, and rated power input of each model. U.P Tech can help compare these specifications so customers can select equipment that fits their usage requirements and budget.

Check Installation and Maintenance Requirements

U.P Tech can help assess the installation locations for the indoor and outdoor units, refrigerant piping, and drainage system to recommend a solution that meets technical requirements. The equipment should also be positioned with adequate clearance to allow convenient cleaning, inspection, and maintenance throughout its service life.

Get Advice on Hitachi Room Air Conditioners from U.P Tech

With a product range that includes airHome 100, 300, 400, 500, and 600; XJ CKV; XJ Inverter heat pump; VJ; EJ; XJ CMV; and PJ CMV, U.P Tech offers a variety of options for cooling or combined heating and cooling in individual spaces.

U.P Tech supports customers in selecting the appropriate product series, capacity, and installation solution based on their actual needs. Contact our hotline at 1800 6202 for consultation and a quotation for a Hitachi room air conditioner suitable for your project.

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U.P. TECHNOLOGY AND TRADING CO., LTD.

Hotline: 1800 6202

Email: vu@uptech.com.vn

Website: https://uptech.com.vn

Head Office: D6, Thuan Viet Commercial Area, 319 Ly Thuong Kiet Street, Phu Tho Ward, Ho Chi Minh City, Vietnam.

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Common misconceptions about Hitachi VRF systems that consumers need clarified

Hitachi VRF (Variable Refrigerant Flow) systems, especially the air365 Max series (Top Flow, Heat Pump/Heat Recovery), are energy-efficient central air conditioning solutions with flexible zone control, suitable for offices, hotels, and high-end apartments in Vietnam. However, many investors and engineers still make mistakes leading to incorrect designs, poor installation, and difficult maintenance, causing costs to double (or more) compared to the initial estimate.

Hitachi Chiller Systems: The ultimate cooling solution for modern factories

Hitachi Chiller systems are a leading cooling solution for industrial plants and large buildings. In industrial environments, maintaining stable temperatures is crucial for machinery and product quality. Hitachi Chillers, with their Centrifugal, Screw, and Scroll compressor technologies, deliver superior operating performance and significant energy savings.

Why Do Many Small Projects Choose Hitachi RAC Systems?

No longer overly reliant on complex systems, many homeowners in Vietnam are now prioritizing Hitachi RAC (Room Air Conditioner) for their personal spaces. Meeting the standards of advanced Japanese technology, it offers long-lasting durability, maximum cost savings, low electricity bills, and quick installation and maintenance without affecting complex ceiling structures. The Hitachi RAC system – a sophisticated solution that personalizes comfort in your home!

Hitachi PAC systems: industrial solutions for construction projects

Vietnamese businesses are constantly expanding their production, factories, warehouses, and industrial facilities, increasingly requiring powerful, flexible, and easily upgradeable air conditioning systems. Hitachi Packaged Air Conditioners (PACs) are the ideal solution, combining advanced Japanese technology with a compact, integrated design, perfectly suited for projects undergoing expansion.

Developers should pay attention to the issue of ceiling mounted hot and cold water heaters leaking

When installing air conditioning systems for offices, hotels, showrooms, or high-end apartments, Hitachi ceiling cassette units are always a top choice thanks to their aesthetically pleasing design, even cooling, and integrated advanced Japanese technology. However, a common problem many investors encounter is water leakage from the indoor unit of the ceiling cassette unit. This not only wets the floor and damages the interior but also affects the performance and lifespan of the equipment if not addressed promptly.

Top 5 common elevator malfunctions that cause residents to complain

This article summarizes 5 common elevator problems in high-rise buildings, such as door jamming, shaking, and misaligned stops, along with comprehensive solutions for residents. Hyundai elevators are highly regarded for their advanced Korean technology, smooth operation, and superior durability. However, even with a quality brand like Hyundai, elevators can still experience common problems if not properly maintained.

What types of buildings are hitachi air conditioners suitable for how should you choose them for homes offices and factories

U.P Tech, the exclusive distributor of genuine Hitachi air conditioners in Vietnam, will help you understand which types of buildings Hitachi air conditioners are suitable for, and differentiate how to choose the right one for homes, offices, and factories.

Hyundai elevator distributor Uptech brings advanced mobility technology to the digital age

U.P Tech Co., Ltd. is proud to be the official Tier 1 distributor of Hyundai Elevator in Vietnam, offering genuine Hyundai elevators and escalators from South Korea. With advanced technology and a commitment to quality, Hyundai Elevator focuses not only on efficient operation but also on convenience, safety, energy saving, and environmental sustainability – factors that are increasingly important in modern construction projects in Vietnam.

Hyundai Elevator Price List - Latest 2026 Prices at U.P Tech

Amidst Vietnam's rapid urbanization in 2026, Hyundai elevators continue to assert their position as the top choice for high-rise buildings, apartments, offices, and private homes thanks to advanced Korean technology, smooth operation, energy efficiency, and absolute safety. U.P Engineering and Trading Co., Ltd. (U.P Tech) – the official first-tier distributor of Hyundai Elevators in Vietnam – is proud to offer genuine Hyundai elevator products along with professional, comprehensive services.

Hitachi Air Conditioner Distributor: Providing Optimal Solutions for Customers

To meet consumer demand, Hitachi air conditioner distributors need to: Continuously update information on new technologies from Hitachi, provide appropriate advice for each target group: small families, high-rise apartments, or large projects. Diversify products from residential models to high-capacity VRF and Chiller systems, combined with after-sales services such as professional installation and long-term warranty.

Authorized Distributor of Genuine Hyundai Elevator Parts in Vietnam

U.P Tech Co., Ltd. provides a full range of 100% genuine Hyundai elevator spare parts, imported directly from South Korea, ensuring technical compatibility, clear origin, and global quality standards.

U.P Tech is the distributor of 100% genuine Hitachi spare parts

Hitachi spare parts should be replaced periodically or when problems arise. In fact, using non-genuine or substandard parts is a leading cause of poor system performance, increased energy consumption, and premature degradation.

Authorized Distributor of Genuine Hitachi Air Conditioner

Hitachi air conditioners – a renowned Japanese brand – are becoming a top choice thanks to their superior durability, advanced technology, and perfect adaptability to Vietnam's hot and humid climate.

U.P Tech – Distributor of Hyundai (South Korea) Elevators in Vietnam

U.P Technology and Trading Company Limited is proud to be a Tier 1 distributor of Hyundai elevators, committed to providing genuine products along with professional consulting, installation, and maintenance services.

U.P Tech Exclusive Distributor of Hitachi Air Conditioners in Vietnam

In the context of increasing demand for air conditioning systems in Vietnam, choosing a reputable, genuine and experienced Hitachi air conditioner distributor is a decisive factor to ensure project quality as well as long-term operational efficiency.

Hitachi VRF solutions

Hitachi uniquely combines mechanical, thermo and IoT technologies to deliver VRF solutions that save time and money.

Hitachi Commercial Air Conditioner | Hitachi Air Conditioner

Explore premier Hitachi commercial air conditioner HVAC solutions for business, commercial buildings and industries.

Light Commercial Split Systems

Hitachi's light commercial split systems are 1:1 split AC systems designed for commercial applications, such as restaurants, banks, and small offices.

Hitachi Multi – Split Systems - Uptech

Hitachi commercial split AC systems are a cost-effective alternative to VRF systems, with lower installation complexity.

AC Apps & Controllers for home

Enjoy greater convenience thanks to our remote controllers for AC. Thanks to their intuitive interface everyone can create a perfect atmosphere.

Hitachi Home Air Conditioning

Hitachi Cooling & Heating residential air conditioners uniquely combine over 70 years of Japanese engineering heritage with the latest smart technology to support reliable, energy-efficient, and intuitive residential air conditioning solutions.

Hitachi Air Conditioning for Single Room - Room Air Conditioner

Hitachi Cooling and Heating offers a wide range of AC for individual rooms, with a solution for every room AC need.

Air365 max innovations

Discover our new VRF system: air365 Max (Heat Force). An innovative, energy-efficient and highly operational solution.

Revolutionary form factor inair conditioner airpure concept wins 2024 red dot design concept award

Revolutionary form factor in air conditioner: ‘airPure’ concept wins 2024 Red Dot Design Concept AwardConsidering the future of HVAC solutions in homes, the Consumer Design Team for Johnson Controls-Hitachi Air Conditioning products has been distinguished for their visionary design, transforming air conditioning into a purposeful interior design element.