Harvia HUUM Drop Series 7.5kW Sauna Heater Package with UKU WI FI - DROP 7.5STU Pkg

Harvia HUUM Drop Series 7.5kW Sauna Heater Package with UKU WI FI - DROP 7.5STU Pkg

The HUUM DROP package includes the award-winning, compact DROP 7.5kW sauna heater, the UKU control (with Wi-Fi as an optional feature), and sauna stones, providing everything you need to transform your sauna space into your dream sanctuary. Designed for sauna rooms up to 441 cubic feet (CF), this package ensures a seamless and enjoyable sauna experience, elevating your wellness routine to new heights.

What our Experts Think

• Premium all-in-one sauna package – The HUUM DROP 7.5kW (DROP 7.5STU Pkg, 4745090017847) includes the heater, UKU WiFi smart control system, and sauna stones, offering a complete ready-to-install setup.
• Ideal for small–mid sauna rooms – Designed for approx. 230–441 cu. ft. (6.5–12.5 m³) spaces, delivering strong performance in compact home saunas.
• Iconic design + compact footprint – The signature water-drop shape makes it a design centerpiece while saving wall space in modern sauna layouts.
• Exceptional steam quality (löyly) – With around 122 lb stone capacity, it produces soft, long-lasting steam instead of harsh dry heat, enhancing comfort and session length.
• Smart WiFi control advantage – UKU WiFi system allows remote start, temperature control, delay scheduling, and precise heat management via mobile app.
• Comfort-focused heating behavior – Experts note it prioritizes steady heat build-up and thermal stability over rapid temperature spikes, ideal for relaxed sauna use.
• Efficient stone-to-heat ratio – High stone mass improves heat retention and smoother temperature curves, creating a more traditional sauna feel.
• Durable stainless-steel build – Engineered in Estonia with industrial-grade heating elements for long-term reliability in high-heat environments.

Q&A

Q: What is included in this package?
A: It includes the 7.5kW HUUM Drop sauna heater, UKU control system with WiFi capability, and sauna stones for a complete setup.

Q: What sauna size is it suitable for?
A: Designed for small to medium saunas, typically around 7–12 m³ (approx. 248–441 ft³) depending on insulation and glass use.

Q: What is the power output?
A: It delivers 7.5kW electric heating for steady, efficient sauna performance.

Q: How much sauna stone capacity does it have?
A: Around 55 kg (≈120–122 lbs) of stones for soft, long-lasting steam (löyly).

Q: What makes the HUUM Drop design special?
A: Its water-drop shape and large exposed stone surface create gentle, even heat and a premium Nordic sauna look.

Q: What does the UKU WiFi control do?
A: It allows temperature control, timer settings, and remote sauna preheating via mobile app (WiFi module dependent).

Q: Is it wall-mounted?
A: Yes, it is a wall-mounted electric heater, saving floor space and improving sauna layout flexibility.

Q: What sauna experience does it deliver?
A: A soft, even, and consistent heat with high-quality steam, designed for modern home sauna comfort.

Q: What is the main benefit of this package?
A: It offers a complete, ready-to-install smart sauna system with remote control and premium steam performance.

Maintenance Tips

• Clean exterior regularly with a soft dry or damp cloth to keep finish clean and dust-free.
• Inspect sauna stones every 2–3 months and replace any cracked or crumbling stones for safe performance.
• Restack stones properly to maintain airflow and protect heating elements from overheating.
• Check heating elements periodically for wear, discoloration, or uneven heating.
• Keep ventilation openings clear to ensure stable airflow and efficient heat circulation.
• Avoid excessive water pouring directly onto the heater to prevent element stress.
• Wipe interior surfaces after cooling to reduce moisture and mineral buildup.
• Inspect UKU WiFi control system annually for calibration and safe electrical operation.
• Schedule yearly professional inspection for electrical safety and long-term reliability.