Astra 3-4 People Pre-Assembled Indoor Sauna

Name: ThermaSol Astra 3-4 People Pre-Assembled Indoor Sauna
Brand: ThermaSol

$23,604best price, at Shop Mr. Steam · 4 sellers, up to $23,604

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

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Same product, 4 sellers

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

Compare across brands

	This oneThermaSol Astra 3-4 People Pre-Assembled Indoor Sauna	HarviaFuji Luxury 2-4 Person With Virta 8KW Heater	FinnleoCenturion Designer Sauna Room	KohlerC1 Indoor Sauna - Large Graphite Grey	Mr. SteamIndo Collection Sauna 6X8 SAUNA RM, 9 KW 240/1
Lowest price	$23,604	$22,951Lowest	$23,220	$23,119	$24,280
Sold by	4 sellers, up to $23,604	3 sellers, up to $22,951	2 sellers, up to $23,220	3 sellers, up to $28,533	The Sauna Place only
Size	4-person	4-person	4-5 people	5 person	7 person
Wood / material	thermo-aspen	Onyx Trim / Oak Hardwood	Clear vertical grain Canadian Hemlock	spruce	thermally modified aspen
Heater	9kW Virta with Wi-Fi	Harvia Virta 8kW with Wi-Fi & App Control (Stones Included)	Himalaya 7.0 kW rock-tower	Not listed	9 kW
Exterior	85.4" L x 85.4" W x 83" H	79" x 63" x 83"	Depth 72", Width 84", Height 84"	Not listed	Not listed
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