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Core Aspen
The Huum Core Aspen electric sauna heater combines a modern heating system with the warmth and character of natural aspen timber. Its compact, space-efficient design makes it a great choice for smaller saunas where every bit of space counts.
The aspen timber is repeatedly steamed to tighten its natural fibres and improve its heat resistance, allowing it to form the outer casing of the heater without compromising steam performance. With minimal safety clearances, the Huum Core Aspen can be positioned close to walls or integrated into sauna seating, making it a practical choice for space-conscious sauna designs.
The Huum Core Aspen holds up to 30kg of sauna stones, creating a soft and comfortably humid heat. It is designed for use with Uku Wifi Controller or Uku Local Controller and is available with Huum Rounded Sauna Stones.
Dimensions
Tech data
Heater
| 6kW | 9kW | 10.5kW | |
|---|---|---|---|
| Sauna Room | 5-9 m³ | 8–13 m³ | 10–16 m³ |
| Stone Capacity | 30 kg | 30 kg | 30 kg |
| Weight | 19 kg | 19 kg | 19 kg |
| Finished Weight | 49 kg | 49 kg | 49 kg |
| Height | 830 mm | 830 mm | 830 mm |
| Width | 400 mm | 400 mm | 400 mm |
| Depth | 400 mm | 400 mm | 400 mm |
Power
| 6kW | 9kW | 10.5kW | |
|---|---|---|---|
| Supply voltage | 3/N~400V | 3/N~400V | 3/N~400V |
| Amperage | 10 A | 16 A | 16 A |
Safety Distances
| 6kW | 9kW | 10.5kW | |
|---|---|---|---|
| A | 40 mm | 40 mm | 40 mm |
| B | 480 mm | 480 mm | 480 mm |
All Huum Electric Sauna Heaters are manufactured for 3 phase. However, with the use of the UKU controllers it is possible to receive 240V for heaters up to 9kw. For more information refer to the UKU Glass or UKU Local controller product pages.
Useful Resources
Core Aspen - 6 kW / UKU WIFI Glass / 30kg Sauna Stones
$4,973.00
SAUNA CALCULATOR
Use our sauna calculator to help you find which heater best suits your sauna space.
Customer service
Not sure which sauna suits your home? Call our expert team on 1800 439 737 for personalised guidance and support.
Warranty
All of our sauna products come with a warranty. Visit our warranty page for specific information.
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FAQs
Have a question ? We are here to help.
Can I install a sauna in a small space or apartment?
Certainly! We have a number of heaters that are perfect for smaller sauna rooms like the
Core and Drop heaters from Huum, or the Routa heater from Tulikivi.
Probably the most important thing to consider when choosing a heater where space is a premium is the heater’s safety distance, or how far it needs to be kept from the wall.
In order to maximise the space you have for people in a smaller sauna you may wish to install a heat deflector on your heater to which halves the safety distance required on that side of the heater.
How do I choose the right size heater?
The size of the heater should be chosen based on the sauna room size and insulation. Choosing the right size is important. If the heater is too small, it will heat the sauna too slowly, it won’t provide enough steam, and it might burn out quicker. It is better to opt for a slightly too powerful heater with a thermostat. You need 1 kW of power to heat 1 m³ of the sauna room as a rule of thumb. The second important thing to consider is how the sauna room is insulated. If there are any uninsulated brick, tile, glass or log walls in the sauna room. An additional 1.5 m³ for each m² of such wall should be added to the sauna room size calculation. You can use our sauna calculator to find out the volume of your sauna room. If in doubt, please contact our friendly team, and we will help you find the perfect heater for your sauna!
What is the lifespan of the equipment?
With proper care, a good-quality sauna can last you 10–20 years, easy. Heaters and electrical components might need replacing
sooner depending on use, but overall they’re built to go the distance.
