Add Modern Performance to Your Saunas with Huum Alder Wood Core Series Electric Sauna Heater

What Makes the Huum Alder Wood Core Series Electric Sauna Heater the Best for Saunas?

The HUUM CORE Alder Electric Sauna Heater blends timeless sauna tradition with modern performance. Featuring a beautiful natural alder wood exterior and a large stone capacity, this heater delivers gentle, long-lasting steam while enhancing the warmth and authenticity of your sauna space. Designed and manufactured in Estonia, CORE Alder is ideal for homeowners who appreciate classic wood aesthetics paired with premium European engineering.

Note: Required control and sauna stones (2 boxes) sold separately.

Why Choose the HUUM?

HUUM combines minimalist Nordic design with advanced engineering to deliver soft, long-lasting steam. Crafted in Europe with premium materials, HUUM heaters provide even heat, efficient performance, and a beautifully modern sauna experience.

What's Included?

• Sauna Heater
• Adjustable Legs (4)
• Unfinished Metal Shields (4)
• Cover Strips (4)
• Wood Panels (4)
• Cover Strip Fastening Screws
• Wood Panel Fastening Screws
• Installation and Operation Manual

Key Features

• 240V/1PH operation
• Customizable design with choice of different inlay finishes
• Wood panels add a finished look to the heater and help prevent burn injuries
• Built to match the sauna room aesthetic
• Can be completely embedded into a sauna bench
• Direct contact between stones and heating elements
• Stainless steel, industrial quality heating elements
• Designed, engineered, and made in Estonia
• Works with UKU controls (sold separately)
• 66 pound stone capacity (required 2 boxes sold separately)
• Dimensions: 12.2"W (31 cm) x 12.2"D (31 cm)  x 32.7"H (83 cm)

Manuals for Alder Wood Core Series Electric Sauna Heater of Huum

• Installation Manual
• Warranty
• Required Elements
• Stone Requirements
• Size Your Sauna

Specifications for Huum Alder Wood Core Series Electric Sauna Heater

CORE ALDER 6

• Room Size: 177–318 cu. ft.
• Wattage: 6.5 kW
• Amperage: 25 A
• Wire Size: 10 AWG

CORE ALDER 9

• Room Size: 283–460 cu. ft.
• Wattage: 9.0 kW
• Amperage: 37.5 A
• Wire Size: 8 AWG

CORE ALDER 11

• Room Size: 354–566 cu. ft.
• Wattage: 10.5 kW
• Amperage: 43.75 A
• Wire Size: 8 AWG

CORE ALDER Panel

• Material: Alder Wood
  
• Width: 15.1" (38.4 cm)
  
• Depth: 1.1" (2.7 cm)
  
• Height: 31.5" (80 cm)

Overall Specifications

• Room Size: 177–566 cu. ft.
• Wattage Rating: 6,500–10,500 W
• Voltage: 240 V
• Phase: 1
• Amperage: 25–43.75 A
• Circuit Breaker: See Installation and Operation Manual
• Wire Size (AWG): 10 or 8
• Safety Listing: CE (CE Certificate)
• Minimum Ceiling Height: 80" (203 cm)
• Safety Distance (Front to Back): See Installation and Operation Manual
• Safety Distance (Left to Right): See Installation and Operation Manual
• Stone Capacity: 66 lbs (30 kg)
• Stone Size: 2"–4" (5–10 cm)
• Width: 12.2" (31 cm)
• Depth: 12.2" (31 cm)
• Height: 32.7" (83 cm)
• Weight: 41.9 lbs (19 kg)
• Shipping Weight (with Sauna Stones): 107.9 lbs (48.9 kg)