Carbon Smart Finnish Sauna Room | 4' x 4'
Freight Delivery $950
Flat-rate freight to the contiguous US. The carrier will call to schedule curbside delivery with liftgate service.
30-Day Returns
Standard 30-day return policy after delivery, subject to terms.
Speak to an Expert
Call 954-674-8133 for sizing advice and quotes.
Shipping & Returns
We ship within the contiguous United States only (not Alaska or Hawaii). Depending on the product, shipping is either free or offered at a flat rate. Large items ship via freight, and flatbed delivery may involve additional shipping terms. Please inspect your delivery for damage and contact us with photos right away if you spot any. Once your order has entered production it can no longer be cancelled. Our standard 30-day return policy applies after delivery, subject to the applicable terms and conditions. If an item is shipped to a location unable to accept delivery, you will be responsible for arranging pickup from the carrier's terminal, along with any applicable storage, redelivery or other associated fees.
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The Finnish Sauna Builders Carbon Smart™ 4' × 4' × 8' Indoor Sauna Room Kit is the entry point to genuine two-person home sauna luxury — a perfectly proportioned square footprint that fits gracefully into a dedicated bathroom corner, basement wellness room, or spa conversion without demanding more floor space than a standard shower stall. This is the kit that proves you do not need a large home to own an elite sauna.
Crafted in Thermo Poplar with Finnish Sauna Builders' modular precision, the 4' × 4' kit arrives with everything required to complete a professional-grade indoor sauna installation. The square configuration distributes bench space evenly across two walls, creating a naturally social interior despite its compact footprint. Pair with the Harvia KIP 4.5KW WiFi for seamless app-controlled heat management — the right heater for this intimate scale.
Key Features
- Configuration: Square 4' × 4' footprint — even bench distribution across two walls for an intimate two-person experience
- Carbon Smart™ System: Modular kit from Finnish Sauna Builders — the most trusted name in American sauna manufacturing
- Wood Options: Thermo Poplar. Western Red Cedar is also available by special order. Call 954-674-8133 for pricing.
- Heater: Harvia KIP 4.5KW WiFi or HUUM Cliff Mini 3.5KW WiFi — app-controlled precision heat
- Accessories: Optional bench skirting available
Specifications
- Dimensions: 4' × 4' × 8' (W × D × H)
- Capacity: 1–2 persons
- Wood: Thermo Poplar
- Heater Range: 3.5KW–4.5KW
- Placement: Indoor
- Delivery Inspection: Please report any shipping damage or missing parts within 72 hours of delivery.