Harvia Saunum AIR 7 Sauna Heater Black - 4745090017847

Harvia Saunum AIR 7 Sauna Heater Black - 4745090017847

Saunum’s patented air blending system enhances the sauna experience by mixing heat and steam from the ceiling with cooler, more oxygenated air from the floor, equalizing room temperatures by over 60% for a more comfortable and breathable environment. This system solves the common sauna issue of extreme temperature variation, where the ceiling can exceed 200°F while the floor stays under 100°F, ensuring a consistent and soothing atmosphere throughout. Saunum’s climate equalizing technology creates softer, more breathable air for longer, more intense sauna sessions. Additionally, it enriches the air with Himalayan salt ions for health benefits like decongestion and inflammation reduction, while offering aromatherapy options for a relaxing, multi-sensory experience. provides six customizable sauna styles—Russian Banya, Finnish Sauna, Estonian Sauna, Yoga Sauna, Salt Sauna, and Aroma Sauna—allowing you to tailor your sauna experience 

What our Experts Think

• Advanced climate-balanced sauna heating – The Saunum AIR 5 Black (4745090017830) is a premium electric sauna heater with integrated air-mixing technology, designed to eliminate uneven heat layers inside the sauna.
• Stable full-body comfort heat – Its patented system blends hot ceiling air with cooler floor air to create a more uniform, breathable sauna climate from head to toe.
• Compact but powerful performance – Built for small sauna rooms (~3–6 m³ / 106–212 cu. ft.), delivering efficient heating with smooth temperature control.
• Large stone capacity advantage – Holds around 110–154 lb (50–70 kg+) of stones, producing soft, long-lasting steam (löyly) instead of harsh dry heat.
• Enhanced sauna experience – Experts highlight its ability to support longer sauna sessions with more consistent sweating due to improved oxygen and heat balance.
• Wellness-focused features – Includes Himalayan salt air infusion and aromatherapy compatibility, adding a spa-like therapeutic element to sessions.
• Premium Scandinavian build – Stainless black steel design with UL certification ensures durability, safety, and modern aesthetic appeal.

Q&A

Q: What is the Saunum AIR 7 used for?
A: It is a 6–6.9kW electric sauna heater with a built-in climate equalizer, designed to heat the sauna while balancing air circulation for a more even temperature experience.

Q: What makes it different from a standard sauna heater?
A: It uses a patented air-mixing system that blends hot air from the ceiling with cooler oxygen-rich air from the floor, reducing hot/cold imbalance and improving comfort.

Q: What sauna size is it suitable for?
A: Ideal for small to medium sauna rooms, typically around 5–8 m³ (approx. 177–282 ft³) depending on insulation and glass area.

Q: Does it include sauna stones?
A: No, sauna stones are required separately, with a large stone capacity (around 60–70 kg / up to ~132 lb) for softer steam.

Q: Does it improve sauna comfort?
A: Yes, it significantly reduces vertical temperature differences, making the sauna feel more even, breathable, and comfortable from floor to ceiling.

Q: What special features does it include?
A: It includes a Himalayan salt system and optional aroma functionality for enhanced wellness and atmosphere.

Q: What is the main benefit?
A: A more balanced sauna climate with smoother heat distribution, less overheating at head level, and more comfortable long sessions.

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