HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE Inverter Air Conditioner – 24,000 BTU (A++/A+)
HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE Inverter Air Conditioner – 24,000 BTU (A++/A+)
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In stock — delivery time: approx. 4–6 business days
For F-gas units, the delivery time counts from receipt of the certified-installer documents.
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Shipping & delivery
Shipping & delivery
Shipping within the EU is free from €100 order value — below that, the exact cost is shown at checkout; unfortunately we cannot deliver to islands.
Delivery time: items in stock usually arrive in approx. 4–6 business days; otherwise approx. 4–8 business days, for Bosch units currently approx. 8–11 business days. For split air conditioners and heat pumps containing F-gas, the delivery time counts from receipt of the certified-installer documents.
Compact units ship as parcels; large split and multi-split units ship by freight carrier with advance phone notice — kerbside delivery. Please check the shipment for visible transport damage on acceptance and note it with the driver.
Warranty & invoice
Warranty & invoice
You buy original goods with the full manufacturer warranty. Every order comes with an invoice showing VAT.
Withdrawal & returns
Withdrawal & returns
Consumers have a 14-day right of withdrawal. You will find all details in the withdrawal policy — you can declare withdrawal directly via the withdraw from contract page.
Old appliance take-back (§ 17 ElektroG)
Old appliance take-back (§ 17 ElektroG)
When you buy a new appliance of the same type, we take back your old electrical appliance free of charge. We ask you about this in the cart — for freight deliveries we coordinate collection or return with you.
Old appliances do not belong in household waste (crossed-out wheelie bin symbol). They contain recyclable and sometimes hazardous materials — separate collection protects health and the environment.
Manufacturer information
Manufacturer information
Manufacturer:
Johnson Controls-Hitachi Air Conditioning Spain, S.A.U.
Ronda Shimizu 1, Polígon Industrial Can Torrella
08233 Vacarisses (Barcelona)
Spanien
Email:
aircon.germany@bosch-hcgroup.com
Refrigerant & installation
Refrigerant: R32 · Global warming potential (GWP): 675
Installation and commissioning may only be carried out by a certified specialist company (EU Regulation 2024/573). Commissioning is documented by your specialist company.
The HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE is a complete inverter air conditioner system (outdoor + indoor unit) with A++ / A+ energy class. Suitable for rooms up to approximately 50 m². R-32 refrigerant and inverter compressor technology deliver excellent seasonal efficiency and quiet operation.
Key features
| Model | HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE |
|---|---|
| Cooling power | 24,000 BTU |
| Cooling capacity (nominal) | 7.1 kW |
| Heating capacity (nominal) | 8.1 kW |
| Suitable room area | 50 m² |
| Refrigerant | R-32 |
| Wi-Fi | Included |
| Energy class (cooling / heating) | A++ / A+ |
| Warranty | 36 months |
| Power supply | 1~ / 50 Hz / 220–240 V |
Performance
| EER (cooling) | 3.21 |
|---|---|
| SEER (cooling) | 6.1 |
| COP (heating) | 3.2 |
| SCOP (heating) | 4 |
| Power input — cooling (nominal) | 2.2 kW |
| Power input — heating (nominal) | 2.53 kW |
| Operating temperature — cooling | −15 °C to +46 °C |
| Operating temperature — heating | −15 °C to +24 °C |
Indoor unit specifications
| Indoor unit dimensions (H × W × D) | 294 × 950 × 230 mm |
|---|---|
| Indoor unit weight | 11.5 kg |
| Noise level (cooling, high) | 52 dB(A) |
| Noise level (heating, high) | 52 dB(A) |
| Compressor | Rotary |
Packaging & shipping
| Package | HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE A++ inverter air conditioner |
|---|---|
| Package dimensions (H × W × D) | 33 × 100 × 27 cm |
| Package weight | 14 kg |
| Pieces | 1 |
Installation
Complete system: 1 outdoor unit + 1 indoor unit included. Wall mounting; installation requires F-Gas certified technician.
About the brand
AUX is a leading Chinese HVAC manufacturer producing energy-efficient inverter air conditioners and multi-split systems for residential and commercial use.
Legal Notices — Installation & F-Gas Regulation
Fluorinated greenhouse gases: This unit contains the refrigerant R-32 (GWP 675 as stated by the manufacturer — refrigerant type, charge and CO₂ equivalent in the product data sheet). Installation, maintenance and disposal must be carried out by a certified technician in accordance with EU Regulation 517/2014 (revised by Regulation (EU) 2024/573).
Self-installation: Not permitted. On request we can arrange a certified F-Gas installer in your region.
Frequently Asked Questions
What area does this air conditioner cover?
The HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE delivers 7.1 kW cooling capacity and is suitable for rooms up to approximately 50 m², depending on insulation and room exposure.
What refrigerant is used?
The HITACHI AirHome 400 RAK-DJ70 + RAC-DJ70WHAE uses R-32, a modern refrigerant with low global warming potential (GWP 675) and improved energy efficiency compared to older R-410A systems.
Is installation included?
Installation is not included with the product. On request we can arrange a certified F-Gas installer in your region — installation must be carried out by a qualified technician with F-Gas certification.
What is the warranty?
Manufacturer warranty is 36 months on the unit, provided installation is carried out by a certified F-Gas technician. Detailed warranty conditions are in the product datasheet.
Is Wi-Fi included?
Wi-Fi support depends on the specific model. Please check the product specifications for built-in or optional Wi-Fi.
Technical data
| Energy efficiency class | A++ / A+ (scale A+++ to D) |
|---|---|
| Power (BTU class) | 24000 |
| Recommended room size | 40–60 m² |
| Noise level (indoor) | 42 dB(A) |
| Noise level (outdoor) | 52 dB(A) |
| Wi-Fi control | Yes |
| Refrigerant | R32 |
| Global warming potential (GWP) | 675 |
| Colour | White |
For context: 42 dB(A) is in the “moderate” (library to quiet office) range. Manufacturer figure — perceived loudness depends on operating mode, room and installation.
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