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Heater Stones

Premium sauna heater stones for electric sauna heaters. Choose from Harvia AC3020 split-face olivine stones, Harvia AC3000 round olivine stones, and Harvia R-991 diabase stones — each engineered for optimal heat retention and clean, consistent steam production. Compatible with Harvia KIP, Club Series, and Virta Combi heaters. Replace stones every 3–5 years for best performance.

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Harvia AC3000 sauna heater stones arranged in a pile, ready for installation in a sauna heater for optimal heat distribution.
$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

Harvia AC3000 Sauna Heater Stones

Harvia AC3000 Olivine Diabase Sauna Heater Stones — Split Face, 5-10cm (2-4 inch). 44 lb box.The AC3000 is the standard stone for most Harvia elect...

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$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99
Harvia R-991 sauna heater stones stacked inside a sauna heater, ready for use in a traditional sauna heating system.
$142.99 - $142.99
$142.99
$142.99 - $142.99
$142.99

Harvia R-991 Sauna Heater Stones

Harvia R-991 Olivine Diabase Sauna Heater Stones — Rounded, 5-10cm (2-4 inch). 33 lb box.The R-991 rounded stones are hand-selected to resemble riv...

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$142.99 - $142.99
$142.99
$142.99 - $142.99
$142.99
Harvia sauna heater stones with split face design for use in sauna heaters, natural volcanic stones for optimal heat retention.
$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

Harvia AC3020 Sauna Heater Stones

Harvia AC3020 Olivine Diabase Sauna Heater Stones — Split Face, 10-15cm (4-6 inch). 44 lb box.Mined from subvolcanic rock in Western Finland, the A...

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$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99