HUUM Drop 6 Sauna Heater Review: Is This the Best Electric Sauna Heater?

HUUM Drop 6 sauna heater in a well-lit sauna, highlighting the sleek design and effective heating performance.

Imagine this: It’s a frosty winter day, and you’re stepping into your personal retreat. You flick on the HUUM Drop 6 sauna heater, and almost instantly, your chill transforms into comforting warmth.

This heater isn’t just about battling the cold; it’s about enveloping you in a warm embrace that melts away stress.

Today, we’re breaking down the sleek and efficient HUUM Drop 6. Rest assured, our insights are completely independent—crafted to help you decide if this is your next home spa upgrade.

Our reviews are 100% independent and unbiased. When you buy through links on our site, we may earn an affiliate commission as an Amazon affiliate at no extra cost to you. This supports our work but does not influence our reviews or product selections. Your trust is important to us.

Key Takeaways

  • TL;DR: Jump straight to my Personal Experience and Verdict on the HUUM Drop 6.
  • Award-Winning Design: Sleek, modern look inspired by a water droplet, winning the Red Dot design award.
  • Efficient Heating: 6 kW power heats saunas (177-353 cu ft) quickly, reducing wait times.
  • Large Stone Capacity: Holds 121 lbs of stones for gentle, long-lasting steam.
  • Versatile Controls: Flexible control options, including Local, Wi-Fi, and Glass UKU units for hands-on, smartphone, or remote operation.
  • Durable and Safe: High-quality stainless steel build with built-in heat shield and overheat protection.
  • Space-Saving: Wall-mounted design saves floor space, ideal for small or minimalist saunas.
  • User Praises: Loved for design, efficiency, and Wi-Fi control, though installation can be tricky, and it’s priced higher.

Overview of the HUUM Drop 6 Sauna Heater

Straight out of Estonia, a hotspot for sauna enthusiasts, HUUM is carving out a name for itself in the sauna world.


  • Brand value: HUUM is one of the most renowned sauna brands
  • Made in Estonia
  • Power: 6kW
  • Dimensions: 15.3 x 13.2 x 23.3 inches
  • Heater Weight: 24.3 lbs.
  • Stone Capacity: 121 lbs.
  • Sauna Capacity: 177-353 cubic feet
  • Max. Temperature: 230°F
  • Also available in 4.5 / 7.5 / 9kW models
  • Warranty: 5 years (excludes heating elements)

The Drop series, especially the popular HUUM Drop 6 electric sauna heater, is a standout with its sleek, award-winning design that takes a cue from the simple, elegant shape of a water droplet.

But it’s not just about looks—this series shakes up traditional heating with a dash of modern tech and minimalist design that hits the mark with today’s style-savvy sauna goers.

The HUUM Drop does more than heat up a room; it turns heads, making every sauna session a statement in both form and function.

HUUM Drop 6: Detailed Specifications

Power Output6 kW
Sauna Size Capacity177 – 353 cubic feet (5 – 10 cubic meters)
Dimensions15.3″ (W) x 13.2″ (D) x 23.3″ (H)
Weight24.3 lbs (11 kg)
Stone Capacity121 lbs (55 kg)
Voltage240V AC
Maximum Temp. SettingsUp to 230°F (110°C)
InstallationWall-mounted design
Safety FeaturesBuilt-in heat shield and overheat protection
Control OptionsUKU Wi-Fi / UKU Local / UKU Glass
Warranty5 years, excluding elements

Features of the HUUM Drop 6 Sauna Heater

Rated as the best wall-mounted sauna heater in our detailed round-up review article on the top electric sauna heaters this year, the HUUM Drop 6 impresses with its modern design, efficient heating, and smart features.

Check out the HUUM Drop 6’s standout features:

  • Award-Winning Design: Recognized with the Red Dot Design award, its unique water-drop shape isn’t just for looks; it enhances functionality, ensuring deep, even heat distribution.
  • Large Stone Capacity: Holds up to 121 lbs (55 kg) of special diabase sauna stones for prolonged, consistent steam.
  • Efficient Heating: With a 6kW power rating, it heats spaces from 177 to 353 cubic feet quickly, maintaining the desired temperature efficiently.
  • Versatile Control Options: Compatible with Wi-Fi and Glass UKU control units, offering flexibility in operation. I would suggest to go with the UKU Wi-Fi option which allows remote operation, perfect for pre-heating your sauna from anywhere.
  • Durability and Quality: Constructed with high-quality stainless steel to withstand humid, hot sauna conditions.
  • Enhanced Safety Features: A built-in heat shield reduces surface temperatures, complemented by safety features like a door sensor and child lock through the UKU Wi-Fi control.
  • Wall-Mounted Installation: Includes a wall-mount bracket to save floor space and simplify installation.
  • Low Safety Distances: Needs smaller safety distances, allowing for easier installation in different locations.
  • Compact and Space-Saving Installation: Includes a wall-mount bracket to maximize space, making it suitable for various sauna sizes.
  • Eco-Friendly and Safe: Designed with environmental and user safety in mind.
Cozy sauna setup with wooden bucket, ladle, and lit candles creating a serene atmosphere on the sauna benches.

Pros and Cons of the HUUM Drop 6


  • Quick Heating: Cuts down waiting times by efficiently heating up saunas sized between 177 to 353 cubic feet.
  • Consistent, Enveloping Steam: Large stone capacity ensures a traditional sauna experience with rich, enveloping steam.
  • Remote Control Accessibility: Adjust settings via smartphone with the Wi-Fi control, readying your sauna before you arrive.
  • Safety and Style: Wall-mounted to save space and designed with a heat shield for added safety.
  • Reliable and Long-Lasting: Built to last from durable stainless steel.
  • 5-year Warranty: Provides assurance of quality and longevity.


  • Complex Installation: The wall-mounted design saves space but requires strict adherence to safety guidelines and may need professional setup.
  • Higher Initial Cost: Expect a significant upfront investment due to its quality and innovative design.
  • Limited Capacity for Larger Saunas: Best for small to medium sizes; may not adequately heat larger spaces.
  • Limited Warranty: The 5-year warranty excludes heating elements and voids if non-HUUM stones are used or if sauna dimensions fall outside the 177-353 cu ft. range.

Dive into our guide on top wood-burning sauna heaters if you’re seeking an alternative that offers the traditional method of sauna heating.

HUUM Drop Series Sauna Heaters: All Models with Comparison

The HUUM Drop series spans from sleek models ideal for small spaces to robust units designed for large setups. Let’s break down all the models to ensure you choose the right one for your sauna.

Comparison Chart

HUUM Drop ModelPowerSauna CapacityDimensions (inches)Stone Capacity
HUUM Drop 44.5kW106-247 cu ft.15.3 x 13.2 x 23.3 121 lbs.
HUUM Drop 66kW177-353 cu ft.15.3 x 13.2 x 23.3121 lbs.
HUUM Drop 77.5kW247-424 cu ft.15.3 x 13.2 x 23.3 121 lbs.
HUUM Drop 99kW282-530 cu ft.15.3 x 13.2 x 23.3 121 lbs.

Model Suitability

  • HUUM Drop 4 (4.5 kW): Best for small home saunas, offering efficient heating in compact spaces.
  • HUUM Drop 6 (6 kW): The most versatile, ideal for medium-sized saunas needing robust heating.
  • HUUM Drop 7 (7.5 kW): Great for larger home saunas, providing powerful heat without performance sacrifice.
  • HUUM Drop 9 (9 kW): Suited for very large or commercial saunas, it offers the highest power and capacity for heavy-duty use.

Not sure which heater size fits your sauna? Use our sauna heater sizing calculator for a precise recommendation tailored to your space.

Interior view of a modern wooden sauna with spacious seating and ambient lighting, perfect for a relaxing sauna session.

Installation Guide for the HUUM Drop 6 Sauna Heater

Ready to turn your chill zone into a steam sanctuary? Here’s how you get the Drop 6 up and cranking heat without breaking a sweat.

Step-by-Step Installation

  1. Spot Selection:
    • Pick Your Spot: Think about easy access, the look of the place, and keep it clear from anything flammable. Check the manual for the no-go zones around the heater.

  2. Mounting the Bracket:
    • Line It Up: You’ve got a wall mount bracket in the box. Grab a level, get it straight, and mark where you’ll drill.
    • Drill and Secure: Punch those marks with a drill, then bolt the bracket securely to the wall.

  3. Heater Placement:
    • Hang Tight: Lift the heater and hook it onto the bracket. Make sure it’s snug and won’t budge.

  4. Wiring It Up:
    • Prep the Wires: Before hooking up the power, ensure you’re using a heat-resistant power cable. It’s best to have a pro electrician do this bit.
    • Connect the Dots: Run your power cable through the wall into the heater’s connection box and attach the wires as shown in the manual.

  5. Safety First:
    • Double-Check: Before you light it up, make sure all connections are tight and right according to local codes.
    • Test Run: Flip the switch briefly. If you see the elements glow red and feel the heat, you’re golden.

  6. Load It Up:
    • Stone Therapy: Now that you’re all powered up, pile in the sauna stones. Remember, don’t cram them in; they need their space to work their magic.

Installation Tips

  • Just Right Positioning: Place the heater so you can splash water on the rocks without having to get up. Trust me, it’s a game-changer.
  • Power Supply: This baby needs a 240V outlet. Make sure your setup can handle it, and check that manual for the right wire size—usually, 10 AWG does the trick.
  • Keep It Safe: Stick to the safe distances listed in the manual. And keep an eye on that setup, especially the wall mount and wiring, to catch any issues early.

Installing your HUUM Drop 6 isn’t rocket science, but it pays to do it right. Follow these steps, don’t rush, and if you’re not sure about the wiring, definitely get a pro involved.

Once done, your sauna’s ready to roll, and you’re set for some serious relaxing. Enjoy that heat!

Young woman relaxing peacefully in a sauna, showcasing the comfort and tranquility of modern sauna designs.

User Feedback and Reviews

The HUUM Drop 6 is making waves among sauna enthusiasts. Here’s what users from various platforms are saying, highlighting their personal experiences and insights.

  • Chris Hendrickson: “Absolutely love this sauna heater! It’s sleek, heats up quickly, and the Wi-Fi controller is a game-changer. Several friends ordered it after seeing mine.”
  • James M. Cook: “A modern twist on old Nordic traditions, both beautiful and functional. Easy installation, perfect heating.”
  • Steve: “The steam is good but it takes 1.5 hours to reach 130°F. Might have needed a bigger size for my tiled walls.”
  • Gerbs: “Looks and performs great, very happy with it. The app is user-friendly too.”
  • Caleb: “Perfectly heats my 220sqft sauna.”
  • Andrew J Pakiz: “High quality, fast shipping. The Wi-Fi control is smaller than expected but very intuitive.”

These reviews showcase the HUUM Drop 6’s strengths in heating efficiency and design, with a reminder to choose the right size for optimal performance. It’s clear that the heater is a hit for its modern features and traditional sauna feel.

Maintenance Tips for the HUUM Drop 6

Regular Cleaning

  • Exterior Wipe Down: Use a damp cloth to regularly wipe the exterior of the heater. Avoid using harsh chemicals to prevent damage to the stainless steel finish.
  • Stone Check: Periodically inspect the sauna stones for cracks or wear. Replace any damaged stones to ensure efficient heat distribution.

Stone Replacement

  • Annual Check: It’s advisable to replace the sauna stones at least once a year. This helps maintain efficient steam production and prevents any build-up that could affect performance.

Electrical Connections

  • Regular Inspection: Periodically check the electrical connections for any signs of wear or loose wires. Ensure all connections remain tight and secure.
  • Professional Check-Up: Consider having a professional electrician inspect the heater annually to ensure it remains in good working condition.

Usage Tips

  • Proper Use of Stones: Ensure the stones are placed correctly without overcrowding, as improper placement can affect the heater’s efficiency.
  • Avoid Overheating: Do not overheat the sauna by constantly running the heater at maximum temperature. This can reduce the lifespan of both the heater and the stones.

Regular maintenance not only extends the life of the heater but also enhances your overall sauna experience.

Detailed view of a sauna's wooden bench featuring a traditional sauna ladle and bucket, essentials for a genuine sauna experience.

Personal Experience and Verdict

Personal Testing Insights

  • Having spent considerable time with the HUUM Drop 6, I can confidently say it’s a heater that lives up to the hype.
  • The installation, while requiring some precision, was straightforward, with clear instructions.
  • The Wi-Fi control feature was a standout, allowing me to preheat the sauna from my phone, making it ready exactly when I needed it.

What I Liked

  • Design: The sleek, award-winning water-drop design adds a modern touch to any sauna.
  • Efficiency: Heats up quickly and maintains a consistent temperature.
  • Steam Production: The large stone capacity ensures a gentle, lasting steam, enhancing the overall experience.
  • Convenience: The Wi-Fi control is user-friendly and incredibly convenient.

What I Didn’t Like

  • Initial Cost: The upfront investment is higher compared to other heaters.
  • Installation Complexity: While not overly difficult, it does require careful attention to detail and possibly professional help.
  • Size Limitation: Best suited for small to medium-sized saunas; not ideal for larger spaces.
  • This heater is perfect for sauna enthusiasts who appreciate modern design and convenience.
  • If you’re looking for a reliable, efficient, and stylish heater that offers the convenience of remote control, the Drop 6 is a top choice.
  • However, if you’re on a tight budget or have a very large sauna, you might need to explore other options.

My Take 

  • The HUUM Drop 6 really impressed me. Its got a sleek and functional design and it fits perfectly into a modern sauna setup.
  • The heater warms up quickly, and the steam it produces is just what you’d want – gentle and long-lasting.
  • The Wi-Fi control feature is a game-changer, letting me preheat the sauna from my phone, which is super convenient.
  • You can opt to buy the heater without the pricey UKU Wi-Fi control, but the convenience it offers is definitely worth the extra cost!
  • Sure, it’s a bit pricey, and the installation can be tricky, but once it’s up and running, it’s totally worth it
  • It’s a win for those who crave that top-tier steam session at the push of a button

Alternatives to the Drop 6

Exploring your options is always a good idea. For those looking for different features or price points, here are a couple of electric heaters to consider:

These alternatives offer different styles and features that might better suit your preferences or budget, providing reliable and efficient sauna heating options.


The HUUM Drop 6 is a stylish and efficient sauna heater. It heats up fast, has a large stone capacity for excellent steam, and the Wi-Fi control is a handy feature.

It is ideal for anyone looking to enhance their home sauna experience with a reliable and modern heater.

Looking for more choices? Check out our in-depth reviews of other top sauna heaters to find the perfect fit for your needs:

Have your own sauna stories or experiences to share? Leave a comment below—I’d love to hear about your journey!



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