HUUM HIVE 18 kW Electric Sauna Heater sauna stones The Narvi NC 20 is

The Narvi NC 20 is a powerful wood-burning sauna stove designed for medium to large sauna rooms (10–20 m³ / 353–706 ft³)

Firewood max length: 300 mm (11

allowing you to conveniently preheat your sauna from your smartphone

it’s easier to install in tighter spaces

we recommend pairing the TKE3 with our weatherproof outdoor relay contactor box—pre-mounted and enclosed in a weatherproof electrical box for easy

HUUM HIVE 18 kW Electric Sauna Heater sauna stones The Narvi NC 20 isThe HUUM HIVE is a powerful floor standing sauna heater designed for larger spaces like spas or gyms, with 12, 15, and 18 kW options and a massive 551 lb (250 kg) stone capacity. Its round shape allows for central placement, ideal for families or group sessions, while its Nordic inspired design brings a calming, natural aesthetic to your sauna space. Sharing the same Wi Fi compatibility and performance as the HIVE Mini, the full size HIVE delivers