Bespoke Finnish Traditional Sauna Room | 4' x 6'

The Finnish Sauna Builders Custom Indoor Sauna Room Kit in 4' × 6' × 8' is the first configuration in the Custom Indoor collection to require 6KW heater performance — a threshold that signals genuine two-person sauna heat capability and with it, the full breadth of Harvia's premium heater selection. Built entirely in Western Red Cedar, this 24-square-foot indoor kit delivers the most traditional and visually stunning of all indoor sauna materials in a versatile footprint that suits bathroom conversions, basement installations, and dedicated sauna rooms with equal grace.

The 4' × 6' depth allows for a full-length bench on one wall and a seated lower tier opposite, creating the classic Finnish dual-bench arrangement in a format that remains highly space-efficient. Finnish Sauna Builders' custom approach means every element — from the cedar panel thickness to the bench board profile to the heater guard design — is selected to create a cohesive, intentional interior that stands apart from mass-produced kit sauna rooms. Compatible with Harvia KIP60W WiFi, KIP60B, Cilindro PC60, or Cilindro PC60E WiFi at the 6KW tier.

• Performance: 6KW heater tier — genuine two-person heat capability with the full Harvia 6KW selection
• Wood: Western Red Cedar — the most visually stunning and traditionally authentic indoor sauna material
• Layout: 4' × 6' enables classic Finnish dual-bench arrangement in a space-efficient footprint
• Heater Options: Harvia KIP60W WiFi | KIP60B | Cilindro PC60 | Cilindro PC60E WiFi
• Design: Custom Indoor approach — every element cohesively selected for a unified, intentional interior

• Dimensions: 4' × 6' × 8' (W × D × H)
• Capacity: 2 persons
• Primary Wood: Western Red Cedar
• Heater Range: 6KW
• Heater Options: Harvia KIP60W WiFi | KIP60B | Cilindro PC60 | Cilindro PC60E WiFi
• Investment: From $6,900.50