Experience professional-grade sauna performance with the Harvia Club K12.5G 12.5kW Electric Sauna Heater (208V 3-Phase) — a perfect blend of Finnish craftsmanship and advanced heating technology. Designed for medium-to-large saunas up to 742 cubic feet, this powerhouse delivers the authentic, deeply relaxing heat that Harvia is known for worldwide.
The K12.5G features a premium stainless-steel construction, ensuring durability and resistance to corrosion even under heavy daily use. Its multi-layer safety design keeps exterior surfaces cooler, providing peace of mind in both home and commercial settings. With a 132 lb stone capacity, this heater offers optimal heat retention, gentle steam, and consistent warmth throughout every session.
Pair it with the Harvia Xenio CX45 Digital Control (sold separately) for intuitive operation and Wi-Fi connectivity — giving you full control over temperature, time, and lighting from anywhere. Whether you’re outfitting a luxury home sauna, day spa, or wellness retreat, the K12.5G combines modern innovation with time-honored sauna tradition, providing a restorative and invigorating experience every time.