Helsinki Finnish Barrel Sauna with Terrace and WiFi Heater – Finnish Sauna Builders

Product Description

The Helsinki Finnish Barrel Sauna with Terrace is a beautifully crafted 4‑person outdoor wellness retreat designed to bring an authentic Finnish sauna experience to your backyard. Built with exceptional craftsmanship and Traditional Northern European Spruce, this compact barrel sauna blends durability, efficiency, and modern design—perfect for couples, small families, or anyone seeking a peaceful daily escape.

Its classic barrel shape maximizes interior space while promoting even, consistent heat distribution. The integrated terrace provides a relaxing cool‑down area between sessions, enhancing the overall sauna ritual. Every component undergoes a chemical‑free wood treatment that improves stability, reduces shrinking, and ensures long‑lasting performance in all weather conditions.

With pre‑cut components and a detailed assembly guide, the Helsinki Barrel Sauna offers a straightforward DIY installation—no cutting or specialized tools required. The included 8KW Spirit WiFi Heater allows smart, customizable heat control, giving you full command of your wellness routine.

Features

• Compact 4‑person barrel design ideal for couples and small families

• Terrace included for cooling off between sauna sessions

• Crafted from Traditional Northern European Spruce with chemical‑free treatment

• Efficient heat distribution thanks to the classic barrel shape

• 8KW Spirit WiFi Heater for smart, customizable heat control

• Glass front door for natural light and a modern aesthetic

• Interior benches, backrest staves, and duckboard flooring for comfort

• Rain jacket included for year‑round weather protection

• Pre‑cut components for easy DIY assembly—no cutting required

• Metal bands and fasteners for a secure, seamless build

Specifications

Model: Helsinki Barrel Sauna Capacity: 4 persons Wood Type: Traditional Northern European Spruce Heater: 8KW Spirit WiFi Heater Terrace: Included Assembly: DIY, no cutting required

Dimensions

Specification	Inches	Feet
Exterior Length	70.87 in	5.91 ft
Exterior Width	86.61 in	7.22 ft
Exterior Height	88.98 in	7.42 ft
Inner Width	83.46 in	6.96 ft
Inner Length	51.18 in	4.27 ft
Bench Width	25.59 in	2.13 ft
Bench Length	50.79 in	4.23 ft

Model Comparison

Capacity

• 4‑Person Models: Tampere, Helsinki

• 6‑Person Models: Vassa, Turku

Terrace

• Included: Helsinki, Turku

• Not Included: Tampere, Vassa

Interior Length

• Helsinki: 51.18 in (compact interior + terrace)

• Tampere: 62.99 in (compact 4‑person)

• Turku: 74.80 in (extended 6‑person interior + terrace)

• Vassa: 86.61 in (largest 6‑person interior)

Shared Features Across All Models

• Traditional Northern European Spruce

• Chemical‑free wood treatment

• 8KW KIP‑B heater

• Glass front door

• Duckboard flooring

• Interior benches

• Metal bands

• Tool‑free, no‑cut DIY assembly

• Identical exterior width and height

Assembly

DIY assembly required. All components arrive pre‑cut with a detailed step‑by‑step guide for easy installation.

Warranty

Includes a comprehensive warranty.

Manuals

👉 Click here to download the Operations Manual

👉 Click here know everything about the Harvia Spirit Heater