Guides / Hot tubs, saunas and plunges · Updated
Sauna cost and barrel sauna sizes
From cost guides and sauna makers, checked November 1, 2026.
Short answer
Fixr and Bob Vila both put a home sauna at $3,000 to $6,000, with a $4,500 average. A 2-person barrel sauna lists from about $4,500, a 4-person one about $6,000, and most need a dedicated 240 V, 30 A circuit on top.
Barrel saunas, by maker
| Model | People | Outside | Heater | Listed at |
|---|---|---|---|---|
| Almost Heaven Salem | Up to 2 | 78 W × 47 D in | 6 kW, 240 V, 30 A | $4,485 |
| Almost Heaven Pinnacle | Up to 4 | 78 W × 71 D in | 6 kW | $6,060 (sale; $7,575 list) |
| Redwood Outdoors 6-person barrel | Up to 6 | 140 cu ft inside | 6 kW Harvia KIP | $5,299 |
Prices as listed on the makers’ sites on November 1, 2026; they change with sales.
What the cost guides say
Bob Vila (updated December 2022): $3,000 to $6,000 for a home sauna, national average $4,500; prefab saunas $2,500 to $7,000; an electrician to add the circuit $300 to $800; and $0.25 to $0.50 of electricity per 20-minute session. Fixr (updated January 2025) gives the same $3,000 to $6,000 and $4,500 average.
Will the heater fit the room?
Check the inside volume. Redwood lists its 6-person barrel at 140 cu ft with a 6 kW heater, while Amerec’s and HUUM’s 6 kW tables start at about 175 ft³. The sauna heater calculator sizes the heater, breaker and wire for your room and what it costs to run.