NSI-57 Indoor Sauna

Name: Finnleo NSI-57 Indoor Sauna
Brand: Finnleo

$12,420best price, at Finnish Sauna Builders · 2 sellers, up to $12,420

Prices checked Sep 29, 2026. Freight, wiring and a pad usually add more; the cost calculator totals them.

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The price ledger

Same product, 2 sellers

Cheapest first. Prices checked Sep 29, 2026; confirm freight and what's included before you buy.

Compare across brands

	This oneFinnleo NSI-57 Indoor Sauna	Medical Saunas"Traditional 8 Plus" Steam Sauna	Finnish Sauna Builders7' x 9' x 7' Pre-Built Indoor Sauna Kit	SaunacoreP5x6 with 5kW ULT Heater Traditional Premium DIY Sauna Kits	Revive Plunge4-Person Traditional Sauna with Extension Kit
Lowest price	$12,420	$12,299	$12,544	$12,200Lowest	$12,749
Sold by	2 sellers, up to $12,420	7 sellers, up to $13,849	3 sellers, up to $12,544	My Sauna World only	2 sellers, up to $13,999
Size	4-5 people	3-5 people	Not listed	Not listed	4-person
Wood / material	Nordic White Spruce	hemlock	cedar	cedar	hemlock
Heater	Designer-SL2, 6.0 kW	4500 Watts	Not listed	5 kW	8 kW
Exterior	5' x 7' (35 sq. ft.)	(WDH): 77" x 67" x 82"	Not listed	Not listed	Not listed
	Every seller	Compare it	Compare it	Compare it	Compare it