What is HUUM CORE Wall?
HUUM CORE Wall is a wall-mounted heater from HUUM with 4.5-9 kW output and 44 lbs stone capacity.
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HUUM CORE Wall
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HUUM CORE Wall sauna heater specs and 3D room planner
Use this manual-checked HUUM CORE Wall product page to compare the kW range, adjusted room volume, clearances, controller package, rocks, and buying path before you open the sauna in the designer.
HUUM CORE Wall is a wall-mounted heater from HUUM for 106-460 cu ft adjusted sauna rooms. Key planning facts: 4.5-9 kW output, 44 lbs stone capacity, and 78.7" minimum finished ceiling guidance, and controller guidance: HUUM UKU certified controls.
Design with HUUM CORE Wall Buy in North America at Sauna Marketplace
Quick answers
What sauna room size fits HUUM CORE Wall?
The published adjusted room-volume range is 106-460 cu ft. Add glass, tile, stone, brick, concrete, or log exposure before choosing the final kW row.
What clearances does HUUM CORE Wall need?
Plan 1.57" side/back clearance, 18.9" front clearance, and a 78.7" minimum finished ceiling check before placing benches or glass.
Which controller works with HUUM CORE Wall?
Current controller guidance: HUUM UKU certified controls. Match the controller, relay or power unit, and voltage to the selected kW row before ordering.
Where should I start with HUUM CORE Wall?
Use the 3D designer to validate the room, benches, openings, clearances, and material schedule, then use Sauna Marketplace for the current package and buying path.
HUUM CORE Wall size and clearance table
| Variant | Power | Room volume | Dimensions | Rocks | Side/back | Front | Minimum ceiling | Controller |
|---|---|---|---|---|---|---|---|---|
| CORE Wall 4CORE Wall 4 | 4.5 kW | 106-248 cu ft | 15.8" W x 13.2" D x 23.1" H | 44 lb | 1.57" | 18.9" | 78.7" | HUUM UKU certified controls |
| CORE Wall 6CORE Wall 6 | 6 kW | 177-318 cu ft | 15.8" W x 13.2" D x 23.1" H | 44 lb | 1.57" | 18.9" | 78.7" | HUUM UKU certified controls |
| CORE Wall 7CORE Wall 7 | 7.5 kW | 248-389 cu ft | 15.8" W x 13.2" D x 23.1" H | 44 lb | 1.57" | 18.9" | 78.7" | HUUM UKU certified controls |
| CORE Wall 9CORE Wall 9 | 9 kW | 283-460 cu ft | 15.8" W x 13.2" D x 23.1" H | 44 lb | 1.57" | 18.9" | 78.7" | HUUM UKU certified controls |
Best fit
- 4.5-9 kW HUUM heater family for 106-460 cu ft adjusted hot rooms.
- Wall-mounted layouts where the heater footprint, front clearance, and bench approach are planned before ordering.
- 44 lbs stone capacity with HUUM UKU certified controls controller guidance.
- Rooms that can meet the 78.7" minimum finished ceiling check for the selected size row.
- Wall blocking, cladding buildup, and heater bottom height should be resolved before paneling goes in.
Designer checks
- Size the room by adjusted volume, including the 3.3 cu ft per sq ft (1 m3 per 1 m2) for uninsulated brick, tile, glass, or similar surfaces rule where it applies.
- Validate side/back clearance 1.57", front clearance 18.9", and bench setback before finalizing benches.
- Check the 78.7" minimum finished ceiling against the room height.
- Carry the selected HUUM UKU certified controls package into the material schedule and heater placement notes.
Package notes
- Heater body
- 44 lb; 44 lbs
- Installation and operation manual
Manual-backed facts
Source
HUUM CORE Wall EU installation and operation manual
source: HUUM CORE Wall and CORE Wall Combi Installation and Operation Manual (EU 400V manual v5; PDF saved from HUUM public design resources; checked May 23, 2026)
Mounting
Wall-mounted
Floor clearance shows the minimum bottom height where the manual lists one.
Model numbers
CORE Wall 4 / CORE Wall 6 / CORE Wall 7 / CORE Wall 9
Useful when the store name and manual model number are not identical.
Room volume range
106-460 cu ft
Use adjusted sauna volume after cold surfaces, not just geometric room volume.
Cold-surface adder
3.3 cu ft per sq ft (1 m3 per 1 m2) for uninsulated brick, tile, glass, or similar surfaces
The calculator applies the brand-family coefficient before selecting a heater size.
Minimum finished ceiling
78.7"
Computed from body height, floor clearance, top clearance, and the manual minimum room height.
Maximum room height
Not listed for these sizes
Verify with the selected manual when designing unusually tall rooms.
Electrical/control
400V EU; verify regional electrical package; HUUM UKU certified controls
Use the selected kW row and SKU when matching breakers, phases, relays, and controller packages.
Critical differences
EU 400V product: confirm North American availability Certified control system required
5 more notes shown below.
- EU 400V product: confirm North American availability
- Certified control system required
- Add glass/tile/brick penalty before sizing
- Sensor must be in HUUM designated area for listed ceiling clearance
- EU 400V manual reference; confirm North American availability before purchase.
- HUUM CORE Wall pages use EU 400V manual data; confirm North American availability before purchase.
- HUUM publishes UKU Classic and UKU Glass/Mirror/Gold controller 3D resources; SaunaDesignPro places the selected UKU controller outside the hot room in 3D planning.