Incomparable Steam
Unlike Juup's basic models, Havu does not prioritize fast heating, but rather maximum sauna enjoyment. It is an excellent choice for public saunas, shared use, or home saunas where long sauna sessions are desired.
With HAVU, the steam never runs out.
Juup Iivari Havu has been developed for saunas where more is demanded from the stove. The open, net-like stone basket allows for a total stone mass of approximately 150 kg. A larger stone mass produces softer, more humid, and longer-lasting steam.
New Generation
Designed and handcrafted in Finland. The Juup Iivari collection is the next generation after the Original, born from the genuine needs of our customers. Like its predecessor, Juup Iivari offers versatile steam, but it is better suited for medium-sized sauna rooms. The heater is robustly built and thus serves its users for decades.
Iivari heaters come standard with a glass door. The walnut wood handles shown in the pictures are available at an additional cost.
Technical specifications
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Sauna room volume (min/max)
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9–18 m³
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Temperature class required for chimney
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T600
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Connection opening diameter
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115 mm
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Stone quantity (max.)
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160kg
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Net weight
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117 kg
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Width x Depth x Height
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575 x 668 x 906
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+ adjustable feet
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0 – 50 mm
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Safety distances
(combustible materials, sides / above) |
200 / 1100 mm
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Safety distances
(non-combustible materials) |
50 mm
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Door size
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Ø 210 mm
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Performance at nominal power
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Flue gas temperature (avg – max)
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436.1 – 519.4 °C
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Nominal power
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27.2 kW
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Heat output to sauna room
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18.6 kW
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Carbon monoxide emission (red. O₂ 13 %)
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2115 mg/m³ (n)
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Carbon monoxide emission % (red. O₂ 13 %)
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0.15 %
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Total efficiency
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68.3 %
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Initial charge
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5 kg
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Additional charge
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2 kg
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Versatile steam
We wanted to develop a stove that provides the best and most versatile steam possible. Our inspiration has been the long, humid, and soft steam of traditional smoke saunas.
The 'secret' to smoke sauna steam lies in how the stones are heated. The stones at the bottom get incredibly hot, while the surface stones remain relatively cool throughout the sauna session. When water is thrown onto the stones, it doesn't immediately evaporate from the surface stones but flows down to the bottom of the stone bed where evaporation occurs. As this steam travels through the cooler stones, a condensation process begins, which softens and humidifies the steam.
In Juup stoves, the stones are directly above the firebox in a "stone bowl." This way, the stones heat up quickly, and every single drop of water thrown onto them evaporates into the sauna. The stones at the bottom heat up first and stay hot throughout the sauna session, just like in a smoke sauna.
The stones on the surface of the stone bowl heat up slowly, allowing for different types of steam to be produced during the sauna session. Any water that doesn't evaporate upon contact with the hot stones flows down to the bottom of the bowl and gradually evaporates. This results in soft, humid, and long-lasting steam.
By adjusting the stove's temperature and the amount of water, you can create exactly the kind of steam you prefer. Crisp steam is created by frequently throwing small amounts of water onto the hot stones at the edges. If you prefer soft and humid steam, you can pour a larger amount of water onto cooler stones. This creates steam bath-like conditions.
Instructions & Brochures
Sauna Stone Package – JUUP Iivari -Havu
This sauna stone package is specifically designed for the JUUP Iivari -Havu sauna heater to ensure it operates according to the manufacturer's recommendations and produces even, pleasant steam.
The recommended stone size for this heater model is 10–15 cm (160kg), which ensures good air circulation through the stone mass and efficient, durable operation of the heater.
Sauna Stone Options:
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Olivine Diabase
A durable general-purpose stone that provides abundant steam for all heaters. One box contains 20 kg of stones. -
Vulcanite
A durable general-purpose stone that provides abundant steam for all heaters. Vulcanite is darker in color than traditional olivine diabase. One box contains 20 kg of stones.
The correct size and material of the stones are an essential part of a functional sauna – properly chosen stones extend the life of the heater and improve the quality of the steam.
Pieksäwood
Kanto sauna panel
emendo
Sauna linen 50x150 cm - black
Hukka Design
Cool 33 Hukka Design
Narvi
