Description

The EOS Invisio Midi – 9kW is a premium underbench sauna heater designed exclusively for private and commercial Finnish sauna installations. This model combines a concealed, space-saving layout with elegant finish options—available in both Anthracite and Stainless Steel—offering a refined solution for modern sauna environments. Installed behind a partition wall with only 4 inches of clearance, the heater remains hidden from view while delivering exceptional heat performance and full “Löyly” steam infusion.

Features

• Fully concealed underbench installation – enhances safety and maximizes space
• 9.0 kW power output – ideal for sauna rooms from 313 to 495 cubic feet
• Available finishes: Premium Anthracite or Stainless Steel
• Integrated stainless steel water infusion set with silicone hose and gutter
• Optimized air convection for faster heat-up time
• No contact between stones and heating elements – improves longevity and ease of maintenance
• Service-friendly design and easy integration under sauna benches
• Rock capacity: approximately 44 lbs (20 kg)
• Touch3 Control Panel required (sold separately)

Technical

The EOS Invisio Midi – 9kW combines space-conscious engineering with full steam capability and high-end durability. The adjustable height range allows seamless bench integration, while the Anthracite and Stainless Steel finish options add a modern, minimalist appeal. Its smart design improves safety by eliminating exposed heating surfaces, making it a perfect choice for contemporary wellness spaces where both performance and aesthetics matter.

Specifications

In the Box

• EOS Invisio Midi Sauna Heater – 9.0 kW (Anthracite or Stainless Steel Version)
• Integrated Stainless Steel Water Infusion Set
• Safety Grill
• Mounting and Installation Hardware
• Installation Manual

Please note: Stones and Touch3 Control Panel are not included and must be purchased separately.