Description
Overview
The Hitachi airHome 400 is a high-efficiency wall mounted split air conditioning system designed for bedrooms, small living areas, apartments, and home offices. It delivers reliable year-round climate control using advanced inverter heat pump technology, combining strong performance with energy efficiency, low operating noise, and integrated cleaning features.
Cooling & Heating Performance
Efficiency & Operation
- Efficient cooling and heating performance for year-round comfort
- High seasonal energy efficiency ratings for reduced energy consumption
- Wide operating range to perform in various climate conditions
- Maintains consistent indoor comfort in both cooling and heating modes
Inverter Heat Pump Technology
Smart Performance
- Automatically adjusts output based on room demand
- Maintains stable indoor temperature
- Reduces energy waste and improves efficiency
- Operates with lower noise during steady conditions
- Avoids constant on/off cycling for better long-term performance
Smart WiFi Control
Connectivity Features
- Built-in WiFi for remote operation via smart devices
- Control on/off, temperature, and operating modes
- Set weekly schedules for automated comfort
- Monitor energy usage remotely
- Compatible with voice control via smart home systems
Self-Cleaning Technology
FrostWash Function
- Freezes and removes dust from the heat exchanger
- Helps maintain airflow performance
- Supports long-term efficiency and cleaner operation
Air Quality Protection
Mold Guard Function
- Dries internal components after operation
- Reduces moisture build-up inside the unit
- Supports cleaner and healthier airflow conditions
Sound Performance
Quiet Operation
- Designed for low noise levels in residential environments
- Quiet indoor operation suitable for bedrooms and study areas
- Outdoor unit engineered for balanced sound performance





