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Solar heating is becoming the trendiest thing in Japan. These heating systems are being used for both domestic and commercial purposes.

To cater with the demand of the heaters, a number of solar water heater manufacturers have established their roots in the country. This is in addition to the suppliers of the same water heating systems.

Here is a list of the top solar water heater manufacturers and suppliers in Japan.


1. Azuma Solar Co., Ltd

Azuma Solar, in Kyushu’s Kumamoto Prefecture, started working with solar heaters in 1962 and now counts more than 50 years of experience. “We are serious about manufacturing good products,” says President Seishi Higashi. “That is probably why we have lasted so long. In addition to the technology behind our hardware, the correct installation and handling of our systems is very important to us. Therefore, we are trying to do as much installation on our own and avoid OEM arrangements.”

2. Chiryu Heaters

Add: 2-33 Sakae Chiryu Aichi 472-0037 JAPAN


Chiryu Heater Co., Ltd. is one of the leading manufacturers an solar energy industry, and the most experienced solar water heater in Japan.

Chiryu Heater was founded in 1944. We have developed, manufactured, and sold Solar Systems as the most experienced manufacturer in Japan, and 2nd oldest in the world for the flat plate collector.

We are specialized in the field of large scale installation, space heating, as well as DHW solar heater. Our solar installations for business use include Resort hotels, Apartment houses, Hospitals, Sports facilities and Care homes.

3. Chofu

Keeping the development of “Human-friendly” and “Eco-friendly” products in mind, we stand united and will strive to move forward for the bright future. We should continue to manufacture products that will ensure coexistence with the Earth. One of our product line are the solar water heating systems.

4. ENF Solar

2941-40, Nishibeppu-cho, Kagoshima, 890-0033

We are proud manufacturer of solar panels and solar water heating systems in Japan. We provide a wide range of these products to our customers depending on their requirements. We can also customize the solar water heaters for both home and commercial use.

5. Yuho Technology

Japan, 〒386-0502 Nagano, Ueda, Takeshioki, 鳥羽224-1

YOUR HOME TECH.,Ltd. is a professional solar water heater and Stainless steel corrugated tube (CSST) manufacturer that focus on developing high quality heat pipe, flat panel water heaters and SS corrugated flexible tube. We adopt the high-density insulation layer and stainless steel storage tank to make the solar water heater with high performance and long lifespan.

6. Komeri Solar Heaters

Japan, 〒586-0702 Nagano, Ueda, Takeshioki,

We supply a wide range of houehold equipment in Japan. Solar water heaters are just among the range of products that we do supply in the country. Contact us for the best solar water heaters in Japan.

7. Keiyo D2

1682-16 Nakamaruko, Ueda, Nagano 386-0405, Japan

We will assist you in assembling and lightly working on the products you have purchased.

We accept assembly of furniture and small storage, replacement of lighting equipment and fluorescent tubes, replacement of gas tables and faucets, and replacement of screen doors.
Other work is also available. If you have any problems with your home,
please feel free to contact us.
For details, please contact the store service counter.

8. Kyocera Electrics

TEL : +(65)-6271-0500
FAX : +(65)-6271-0600

In the age of the hunter-gatherer, human beings lived as part of the natural world. Today, as our energy-consuming civilization expands, deforestation and desertification have become urgent concerns. Still, many people in remote or rural areas live with no electricity or modern conveniences.

Kyocera started working with solar power generating systems more than 35 years ago, realizing that such systems could help people all over the world without burdening the environment. We were convinced that solar power would soon become a vital source of energy across the globe. That conviction has led us to develop solar power generating systems that are now used worldwide.

9. Fuji Pream Solar

38-1, Shikisai,

We deal in supply and installation of Solar water heaters; one of the most popular and trusted solar brands in the world; reknown for its efficiency, durability and modern design. We have a complete line of pressurized and non pressurized solar water heaters available in a variety of capacities to suit your needs. We offer the best solar water heater prices in Japan

10. Kaneka Solar Energy

1 Chome-1507-2 Kamigawa, Suwa, Nagano 392-0021, Japan

Photovoltaic modules are composed of silicon or compound semiconductors. Kaneka’s focus is on the mainstream silicon versions, of which there are two subcategories: tandem microcrystalline and amorphous silicon structures.
Kaneka applied proprietary technology to develop thin-film silicon modules composed of layers of amorphous and thin-film microcrystalline silicon that offer considerable next generation potential.