![Hitachi Air Conditioner RAS-AJ2225S(W) [Star White] 6-tatami Room 2.2kW Set Indoor & Outdoor Unit 2025 Model](https://m.media-amazon.com/images/I/31akffbfKBL._AC_.jpg)
Is this for me?
Ideal for those looking for an air conditioner for a 6-tatami room. Quiet and efficient heating and cooling are appealing.
About this item
【Please confirm before ordering】 This is a set that includes an indoor unit, outdoor unit, and remote control. Since this is a large product, please make sure to check the installation conditions, specifications, and functions before placing your order. We ask for your attention to avoid any ordering mistakes. For details on specifications and usage, please contact the manufacturer. The ability to perform installation or unpacking may vary by seller. Many sellers do not…
Hitachi Air Conditioner RAS-AJ2225S(W) [Star White] 6-tatami Room 2.2kW Set Indoor & Outdoor Unit 2025 Model
Best Price
Last verified: Jul 3, 2026
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Mid-range pricing
Hitachi Air Conditioner RAS-AJ2225S(W) [Star White] 6-tatami Room 2.2kW Set Indoor & Outdoor Unit 2025 Model
Last verified: Jul 3, 2026
Is this for me?
Ideal for those looking for an air conditioner for a 6-tatami room. Quiet and efficient heating and cooling are appealing.
Price Insight
Last 90 days price range
Technical Specifications
- This is a set that includes an indoor unit, outdoor unit, and remote control.
- Power supply: Single-phase 100V
- Recommended room size: Heating for 5 to 6 tatami mats (8 to 10 m²), Cooling for 6 to 9 tatami mats (10 to 15 m²)
- Dimensions of the indoor unit (width × height × depth): 780 × 280 × 215 mm
- Dimensions of the outdoor unit (width × height × depth): 658 (+60) × 530 × 275 (+54.5) mm. Note: The dimensions in parentheses indicate the size up to the valves and mounting feet. The dimensions of the outdoor unit do not include some protruding parts.
- Weight: Indoor unit 7.5 kg, Outdoor unit 19.5 kg
- Capacity: Heating 2.2 kW (0.2 to 3.9), Cooling 2.2 kW (0.3 to 2.7)
- Power consumption: Cooling 635W (190 to 820), Heating 470W (160 to 1,175)
| ASIN | B0FCFCWD7J |
| Amazon | Home & Kitchen - Rank 2,654 (See best sellers in Home & Kitchen) Air Conditioner - Rank 4 |
| D x W x H | 21.5 Depth x 78 Width x 28 Height cm |
susume Verdict
Easy to install and ready to use right away. High quietness and good heating and cooling performance. Excellent cost performance and available at a low price.
Reviews
“Thank you. The packaging was solid, and I have only done a test run so far, but I think there are no issues. I was able to purchase it at a low price, so I would like to consider it again next time.”
“Hmm: Temperature adjustment can only be done in 1-degree increments”
“This air conditioner is reliable: I installed it in a 6-tatami mat bedroom. The functionality is sufficient! It's quiet and works well. However, the installation service can be hit or miss. I had them install the piping cover, but it was done poorly, took a long time, and cost twice what I expected. It might be better to hire a reputable company yourself.”
“Fast Proper Installation: Quick installation, installer showed me how it works and everything.Unit itself is perfect for 6 Tatami sized room, heats and cools very quickly and is efficient.Was worried that there was gonna be extra charges but fortunately for my case (previous tenant had one installed) Installer just had to mount it without modifying the hole or piwer”
Translating…
“Policy...: I heard that affordable air conditioners will be gone starting next year, so I installed one in a six-tatami mat room that I don't use often but occasionally need. It works well and keeps the room cool. I'm glad I made the purchase.”
“2027 Issue: I replaced my air conditioner after 11 years of use. Starting in 2027, affordable air conditioners will no longer be available, so I decided to replace it early. Hitachi's air conditioner is quiet and offers great value for money.”
“It has only the essentials, but it was very good. The price was low, and it was quiet. It was sufficient for both heating and cooling in my room.”
“Reliable Hitachi! I installed it at my parents' house, and just like the 'Shirokuma-kun', I think it's great. I trust it.”
Technical Specifications
Key specifications and features.
- This is a set that includes an indoor unit, outdoor unit, and remote control.
- Power supply: Single-phase 100V
- Recommended room size: Heating for 5 to 6 tatami mats (8 to 10 m²), Cooling for 6 to 9 tatami mats (10 to 15 m²)
- Dimensions of the indoor unit (width × height × depth): 780 × 280 × 215 mm
- Dimensions of the outdoor unit (width × height × depth): 658 (+60) × 530 × 275 (+54.5) mm. Note: The dimensions in parentheses indicate the size up to the valves and mounting feet. The dimensions of the outdoor unit do not include some protruding parts.
- Weight: Indoor unit 7.5 kg, Outdoor unit 19.5 kg
- Capacity: Heating 2.2 kW (0.2 to 3.9), Cooling 2.2 kW (0.3 to 2.7)
- Power consumption: Cooling 635W (190 to 820), Heating 470W (160 to 1,175)
| ASIN | B0FCFCWD7J |
|---|---|
| Amazon | Home & Kitchen - Rank 2,654 (See best sellers in Home & Kitchen) Air Conditioner - Rank 4 |
| D x W x H | 21.5 Depth x 78 Width x 28 Height cm |
susume Verdict
Easy to install and ready to use right away. High quietness and good heating and cooling performance. Excellent cost performance and available at a low price.
Reviews
“Thank you. The packaging was solid, and I have only done a test run so far, but I think there are no issues. I was able to purchase it at a low price, so I would like to consider it again next time.”
“Hmm: Temperature adjustment can only be done in 1-degree increments”
“This air conditioner is reliable: I installed it in a 6-tatami mat bedroom. The functionality is sufficient! It's quiet and works well. However, the installation service can be hit or miss. I had them install the piping cover, but it was done poorly, took a long time, and cost twice what I expected. It might be better to hire a reputable company yourself.”
“Fast Proper Installation: Quick installation, installer showed me how it works and everything.Unit itself is perfect for 6 Tatami sized room, heats and cools very quickly and is efficient.Was worried that there was gonna be extra charges but fortunately for my case (previous tenant had one installed) Installer just had to mount it without modifying the hole or piwer”
Translating…
“Policy...: I heard that affordable air conditioners will be gone starting next year, so I installed one in a six-tatami mat room that I don't use often but occasionally need. It works well and keeps the room cool. I'm glad I made the purchase.”
“2027 Issue: I replaced my air conditioner after 11 years of use. Starting in 2027, affordable air conditioners will no longer be available, so I decided to replace it early. Hitachi's air conditioner is quiet and offers great value for money.”
“It has only the essentials, but it was very good. The price was low, and it was quiet. It was sufficient for both heating and cooling in my room.”
“Reliable Hitachi! I installed it at my parents' house, and just like the 'Shirokuma-kun', I think it's great. I trust it.”