A++ / A+

Inverter air conditioner Hitachi AirHome 400 RAK-DJ50RHAE / RAC-DJ50WHAE

In stock Code: 2510246

18000 BTUcapacity
up to 37 m²for a room of
down to −15 °Cheats at outdoor temp.
A++ / A+energy class

Installation within 24 hours in Varna
Delivery across Bulgaria
2-year warranty
Free consultation

Is it right for your room?

Моделът е за помещение до 37 м². Въведете площта на стаята.

Order in 1 clickLeave your phone number — we'll call you and sort out all the details

Specifications

Main

Brand: HITACHI
BTU: 18000
Area (m²)Approximate, for standard ceiling height and insulation.: 37 кв. м
Cooling capacityMin. / rated / max.: 1.9 / 5 / 5.2 kW
Heating capacityMin. / rated / max.: 2.2 / 6 / 7.3 kW
WiFi: Yes (built-in)

Efficiency

Air conditioner energy classClass for cooling / heating.: A++ / A+
SEERSeasonal cooling efficiency — the higher it is, the less electricity it uses.: 7.0
SCOPSeasonal heating efficiency: how many kWh of heat from 1 kWh of electricity.: 4.5
COPInstant heating efficiency (under standard conditions).: 3.71
Power consumption: 1.35 / 1.62 kW

Operating range

Cooling temp.Outdoor temperatures at which the air conditioner cools.: -10 ~ 46 °C
Heating temp.Outdoor temperatures at which the air conditioner heats.: -15 ~ 21 °C

Technical data

Refrigerant: R-32
Power supply: 1~/50/220-240
Indoor noise (dB): 46 / 38 / 33 / 28 dB (A)
Indoor dimensions: 280 x 780 x 222 H x W x D (mm)
Color: White

Quick filters # Inverter air conditioners # Всички HITACHI # Климатици 18000 BTU

Installation and delivery

Стандартен монтаж — 180,00 €

Up to 3 m of copper piping
Installation materials
System vacuuming
Commissioning

Choose “Air conditioner + installation” when ordering. Longer piping or non-standard installation — we'll clarify by phone.

Installation in Varna

Delivery across Bulgaria

Every shipment is insured. Terms and timeframes are described on the delivery page.

Delivery terms

Not sure about your choice?

The consultation is free: we'll help you pick the capacity based on room area, insulation and how you'll use the air conditioner.

+359 886 392 424

Description

Hitachi · Hitachi airHome 400 series

Japanese inverter air conditioner with FrostWash self-cleaning and phone control

Hitachi AirHome 400 RAK-DJ50RHAE / RAC-DJ50WHAE is a wall-mounted inverter air conditioner from the Hitachi airHome 400 series with a capacity of 18,000 BTU — suitable for rooms up to 37 m².

18,000 BTUcapacity
up to 37 m²room size
A++ / A+energy class
down to -15 °Coutdoor operation
from 28 dBnoise level

Why Hitachi AirHome 400 RAK-DJ50RHAE / RAC-DJ50WHAE

FrostWash self-cleaning

The unit freezes dust and dirt on the heat exchanger, then melts and rinses them away to maintain airflow.

Mold protection

After switch-off, Mold Guard dries the internal components to prevent mold from forming.

airCloud Go app

Remote control, weekly schedule, timer, voice assistants, and energy consumption estimates.

Heating down to -15 °C

The series' heating operating range extends down to -15 °C outdoor temperature.

Vector DC inverter and R32

The inverter adjusts capacity to demand, and the series runs on R32 refrigerant.

Quiet mode, 0.5 °C accuracy

Curved fan blades and quiet mode reduce noise, and temperature is maintained with 0.5 °C accuracy.

What room is it suitable for?

For rooms up to 37 m² — for example, a large living room or studio. For high ceilings, lots of glazing or a south-facing room, choose a higher capacity — we will advise you free of charge.

Energy efficiency and running costs

Seasonal cooling efficiency SEER 7.0, heating SCOP 4.5 — energy class A++ / A+. Refrigerant R32.

Video about the Hitachi airHome 400 series (in Bulgarian)

Инсталиране на климатична система airHome 400 · BG Hitachi

Frequently asked questions

Does it have built-in Wi-Fi?

On models marked PHAE, the Wi-Fi module is included (according to the importer). For other models, check the specific model's specifications.

Is it suitable for heating in winter?

Yes — the series heats at outdoor temperatures down to -15 °C.

How does it differ from airHome 600?

airHome 600 adds features such as Smart Eco and SleepSense; airHome 400 offers the same FrostWash and Mold Guard.

What room size is Hitachi AirHome 400 RAK-DJ50RHAE / RAC-DJ50WHAE suitable for?

For rooms up to 37 m² with a standard ceiling height. For larger rooms, lots of windows or attic spaces, we recommend a higher capacity.

Installation within 24 hours in Varna

Order Hitachi AirHome 400 RAK-DJ50RHAE / RAC-DJ50WHAE with professional installation by our team — free consultation and site survey, delivery across Bulgaria.