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The Japan-focused precision sauna cabin line launched in 2023
Prefabricated sauna cabins available in three sizes. Harvia launched Söpö in 2023 alongside its expanded push into the Japanese sauna market and the Harvia Japan Ltd joint venture with Bergman Ltd.
Harvia Söpö is a prefabricated sauna cabin range Harvia launched in 2023. Per the 2023 Annual Report, the cabins are available in three sizes and are "crafted with precision and designed for the utmost comfort," with an innovative design for easy assembly. Söpö was introduced as part of Harvia's broader push into the Japanese market, alongside new electric heaters designed to Japanese specifications and the establishment of the Harvia Japan Ltd joint venture with Bergman Ltd. "Söpö" is Finnish for "cute."
Category
Prefabricated sauna cabin
Design
Precision-crafted, easy assembly
Sizes
3 sizes available
Target market
Japan (primary); APAC
Launch
2023
Parent group
Harvia Plc
| Model | Power | Room size | Stones | Voltage | Notes |
|---|---|---|---|---|---|
| Söpö S | Heater-dependent | Compact residential | — | — | Smallest size in the range |
| Söpö M | Heater-dependent | Standard residential | — | — | Mid-range size |
| Söpö L | Heater-dependent | Larger residential or light commercial | — | — | Largest size in the range |
From earnings calls, investor presentations, annual reports, and the Harvia product catalog.
“With an innovative design for easy assembly and using high-quality materials, the Söpö sauna cabins are crafted with precision and designed for the utmost comfort, and they are available in three sizes.”
“In Japan, Harvia launched Söpö saunas. In addition, the company has applied for new certificates for both certain electric heaters and complete sauna solutions in Japan.”
Field knowledge from specialty dealers, commercial installers, and long-term Harvia operators. Stuff that isn't on the spec sheet.
Söpö was introduced as part of Harvia's Japan push in 2023. Per Harvia's 2023 Annual Report, the company also launched new heaters to Japanese electrical specifications and applied for additional Japan-specific certifications that same year. Söpö is not part of Harvia's North American consumer range.
Harvia Japan Ltd was established in August 2023 as a joint venture with Bergman Ltd. Harvia opened showrooms across Japan during 2023 (24 showrooms by year-end per the 2023 Annual Report), and Söpö is distributed through that Japan network and associated dealer channel.
Harvia Japan Ltd became fully operational in the first half of 2024. By Q3 2025, APAC & MEA grew 36.4% year-over-year, with Japan called out in Harvia's earnings materials as a strategically significant market.
Japanese residential and light commercial sauna installations via Harvia Japan's showroom and dealer network. Not currently part of Harvia's North American product range.
Warranty
Per Harvia Japan terms
Made in
Harvia Group (Finland/Romania supply chain)
Launched
2023
Last Harvia mention
March 15, 2024
Harvia 2023 Annual Report Japan launch
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Product data sourced from Harvia Plc investor materials, earnings call transcripts, harvia.com, and harviagroup.com. Quotes attributed to specific sources. Insider notes reflect field knowledge from specialty dealers and commercial installers. SaunaNews is independent and not affiliated with Harvia Plc.