HUUM
HUUM HIVE Electric Sauna Heater
HUUM HIVE Electric Sauna Heater
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Description
Description
The HUUM HIVE is a floor-standing electric sauna heater built for larger saunas, from generous home rooms to spas and gyms. Its open steel lattice holds up to 250 kg of stones, a mass that delivers long-lasting, even steam for larger groups without compromising HUUM’s minimal Nordic design. It is available in 12 kW, 15 kW and 18 kW outputs, covering sauna rooms of 12–28 m³ (HUUM recommends slightly overestimating the calculated volume for commercial saunas), and connects to a three-phase 400 V supply only; the HIVE air tunnel has been included as standard since April 2024. A HUUM UKU Wi-Fi control console and around 250 kg of 5–10 cm stones are required and sold separately; for smaller rooms there is also the HIVE Mini.
Features
Technical Specification
| All models | |
| Type | Floor-standing electric sauna heater |
| Material | Stainless steel |
| Dimensions (H × diameter) | 750 × 560 mm |
| Stone capacity | 250 kg |
| Recommended stones | 5–10 cm natural stones, e.g. olivine diabase or olivine (sold separately) |
| Air tunnel | Included as standard (since April 2024) |
| Control | HUUM UKU Wi-Fi console (sold separately) |
| Supply | 3N~ 400 V only |
| Design standard | EN 60335-2-53:2011 |
| Certification | UKCA |
| HIVE 12 (12 kW) | |
| Rated output | 12 kW |
| Recommended room volume | 12–18 m³ |
| Empty weight | 20 kg |
| Safety distance A (sides) | 120 mm |
| Safety distance B | 800 mm |
| Fuses (3N~ 400 V) | 3 × 20 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 4 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 4 mm² H07RN-F |
| HIVE 15 (15 kW) | |
| Rated output | 15 kW |
| Recommended room volume | 15–23 m³ |
| Empty weight | 21 kg |
| Safety distance A (sides) | 150 mm |
| Safety distance B | 860 mm |
| Fuses (3N~ 400 V) | 3 × 25 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 4 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 4 mm² H07RN-F |
| HIVE 18 (18 kW) | |
| Rated output | 18 kW |
| Recommended room volume | 18–28 m³ |
| Empty weight | 22 kg |
| Safety distance A (sides) | 180 mm |
| Safety distance B | 920 mm |
| Fuses (3N~ 400 V) | 3 × 32 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 6 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 6 mm² H07RN-F |
Installation
Installation and maintenance must be carried out by a certified electrician, with the electricity supply isolated at the fuse panel before any work begins. Under IEC 60364-7-703 and BS 7671:2018 an electric sauna heater does not have to be connected through an RCD, and for reliable operation the manufacturer recommends that the heater supply is not run through one; other electrical devices in the sauna room should be RCD protected. A local point of isolation covering all live conductors is recommended. The installation manual in the Downloads tab and local wiring regulations must be followed. The connection cable must be heat-resistant rubber-insulated cable (SIHF-JB or equivalent); PVC-insulated cable must not be used, and any junction box in the sauna room must be waterproof and mounted no higher than 500 mm from the floor. When sizing the heater, add 1 m³ of calculated room volume for every square metre of uninsulated brick, tile, glass or log wall in the sauna room. The HIVE connects to a three-phase 400 V supply only, and HUUM recommends slightly overestimating the calculated volume for commercial saunas. A diagram of the safety distances is provided in the image gallery.
Sauna stones
The HIVE requires approximately 250 kg of 5–10 cm stones (around 17 boxes), sold separately; natural stones such as olivine diabase or olivine are recommended. Wash the stones before use and lay them one by one, keeping the air tunnel free of stones and making sure neither the air tunnel nor the tops of the heating elements remain visible, otherwise the stated safety distances no longer apply.
Brand
HUUM is an Estonian maker of design-led sauna heaters, pairing minimal Nordic forms with smart sauna technology; its DROP heater won a Red Dot Award for product design in 2015. HUUM heaters are manufactured in Estonia from stainless steel and are UKCA certified.
Warranty
For full details on product warranty, see HUUM’s Limited Warranty Terms and Conditions; the heating elements are not included in the warranty.
Delivery & Returns
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.
Description
The HUUM HIVE is a floor-standing electric sauna heater built for larger saunas, from generous home rooms to spas and gyms. Its open steel lattice holds up to 250 kg of stones, a mass that delivers long-lasting, even steam for larger groups without compromising HUUM’s minimal Nordic design. It is available in 12 kW, 15 kW and 18 kW outputs, covering sauna rooms of 12–28 m³ (HUUM recommends slightly overestimating the calculated volume for commercial saunas), and connects to a three-phase 400 V supply only; the HIVE air tunnel has been included as standard since April 2024. A HUUM UKU Wi-Fi control console and around 250 kg of 5–10 cm stones are required and sold separately; for smaller rooms there is also the HIVE Mini.
Features
| All models | |
| Type | Floor-standing electric sauna heater |
| Material | Stainless steel |
| Dimensions (H × diameter) | 750 × 560 mm |
| Stone capacity | 250 kg |
| Recommended stones | 5–10 cm natural stones, e.g. olivine diabase or olivine (sold separately) |
| Air tunnel | Included as standard (since April 2024) |
| Control | HUUM UKU Wi-Fi console (sold separately) |
| Supply | 3N~ 400 V only |
| Design standard | EN 60335-2-53:2011 |
| Certification | UKCA |
| HIVE 12 (12 kW) | |
| Rated output | 12 kW |
| Recommended room volume | 12–18 m³ |
| Empty weight | 20 kg |
| Safety distance A (sides) | 120 mm |
| Safety distance B | 800 mm |
| Fuses (3N~ 400 V) | 3 × 20 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 4 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 4 mm² H07RN-F |
| HIVE 15 (15 kW) | |
| Rated output | 15 kW |
| Recommended room volume | 15–23 m³ |
| Empty weight | 21 kg |
| Safety distance A (sides) | 150 mm |
| Safety distance B | 860 mm |
| Fuses (3N~ 400 V) | 3 × 25 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 4 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 4 mm² H07RN-F |
| HIVE 18 (18 kW) | |
| Rated output | 18 kW |
| Recommended room volume | 18–28 m³ |
| Empty weight | 22 kg |
| Safety distance A (sides) | 180 mm |
| Safety distance B | 920 mm |
| Fuses (3N~ 400 V) | 3 × 32 A |
| Cable, UKU main module input (3N~ 400 V) | 5-core 6 mm² SWA |
| Cable, heater input (3N~ 400 V) | 5-core 6 mm² H07RN-F |
Installation
Installation and maintenance must be carried out by a certified electrician, with the electricity supply isolated at the fuse panel before any work begins. Under IEC 60364-7-703 and BS 7671:2018 an electric sauna heater does not have to be connected through an RCD, and for reliable operation the manufacturer recommends that the heater supply is not run through one; other electrical devices in the sauna room should be RCD protected. A local point of isolation covering all live conductors is recommended. The installation manual in the Downloads tab and local wiring regulations must be followed. The connection cable must be heat-resistant rubber-insulated cable (SIHF-JB or equivalent); PVC-insulated cable must not be used, and any junction box in the sauna room must be waterproof and mounted no higher than 500 mm from the floor. When sizing the heater, add 1 m³ of calculated room volume for every square metre of uninsulated brick, tile, glass or log wall in the sauna room. The HIVE connects to a three-phase 400 V supply only, and HUUM recommends slightly overestimating the calculated volume for commercial saunas. A diagram of the safety distances is provided in the image gallery.
Sauna stones
The HIVE requires approximately 250 kg of 5–10 cm stones (around 17 boxes), sold separately; natural stones such as olivine diabase or olivine are recommended. Wash the stones before use and lay them one by one, keeping the air tunnel free of stones and making sure neither the air tunnel nor the tops of the heating elements remain visible, otherwise the stated safety distances no longer apply.
Brand
HUUM is an Estonian maker of design-led sauna heaters, pairing minimal Nordic forms with smart sauna technology; its DROP heater won a Red Dot Award for product design in 2015. HUUM heaters are manufactured in Estonia from stainless steel and are UKCA certified.
Warranty
For full details on product warranty, see HUUM’s Limited Warranty Terms and Conditions; the heating elements are not included in the warranty.
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.
