Rated for a bigger room: HUUM HIVE Flow
HUUM rates it for 8–18 m³ (about 283–636 ft³, our conversion); Kuuma rates the Classic Legacy (Small) for 336–512 ft³ (about 9.5–14.5 m³, our conversion).
Kuuma Classic Legacy (Small)
A wood-burning sauna stove from Kuuma, rated by the maker for 336–512 ft³ (about 9.5–14.5 m³, our conversion). Every figure below is Kuuma's own, linked to where it is published. Price on Kuuma's own site: $2,395 (lamppakuuma.com, 23 Sep 2026).
Buy from KuumaSpecifications published by Kuuma (9)
- Room size it is rated for
- 336–512 ft³ (about 9.5–14.5 m³, our conversion)Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
- Fuel
- Wood-burningFinnish Wood Burning Sauna Stove | Finnish Sauna Heater
- Stone capacity
- 80-100 lbFinnish Wood Burning Sauna Stove | Finnish Sauna Heater
- Water tank
- Optional stainless steel water tank, 12 gallons (Setri "Cedar" Hot Water Package)Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
- Flue / chimney diameter
- 6 inOriginal-Kuuma-Update-August-2026.pdf
- Safety listing
- UL 1482 (listed by PFS-TECO)Original-Kuuma-Update-August-2026.pdf
- Price on the maker's site
- $2,395 (lamppakuuma.com, 23 Sep 2026)Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
As published by Kuuma, read on 2026-09-22. Makers revise their products; check Kuuma's current specification before you buy. Figures marked "about" are Saunakivi's unit conversions of the maker's figure.
Before you buy
- Room size. Our heater sizing guide explains how makers adjust the rated room size for glass and uninsulated walls.
- Wood or electric. Our wood vs electric guide sets out what each needs to install.
If you are looking for more
Compare it with
Classic Legacy (Small) vs Legend 150 wood-burning heater
Side by side with the Harvia Legend 150 wood-burning heater. Both wood-burning stoves are rated by their makers for at least some of the same room sizes.
Classic Legacy (Small) vs M3 wood-burning heater
Side by side with the Harvia M3 wood-burning heater. Both are wood-burning stoves, and the room sizes their makers rate them for overlap.
Other wood-burning stoves
Harvia M3 wood-burning heater
Harvia · wood-burning · 16.5 kW · rated for 212–459 ft³ (about 6–13 m³, our conversion)
Harvia Pro 20 ES wood-burning heater
Harvia · wood-burning · 24.1 kW · rated for 283–706 ft³ (about 8–20 m³, our conversion)
Harvia Legend 150 wood-burning heater
Harvia · wood-burning · 16 kW · rated for 6–13 m³ (about 212–459 ft³, our conversion)
HUUM HIVE Wood 13
HUUM · wood-burning · 13 kW · rated for 6–13 m³ (about 212–459 ft³, our conversion)
HUUM HIVE Flow
HUUM · wood-burning · 9.8 kW · rated for 8–18 m³ (about 283–636 ft³, our conversion)
Kuuma Classic Legacy (Medium)
Kuuma · wood-burning · rated for 512–780 ft³ (about 14.5–22.1 m³, our conversion)
Classic Legacy (Small): questions answered from Kuuma's specification
What size of sauna room is the Classic Legacy (Small) for?
Kuuma rates it for 336–512 ft³ (about 9.5–14.5 m³, our conversion). See our heater sizing guide for how makers adjust that figure for glass and uninsulated walls. Related question: Wood-burning sauna stoves: which room size is each rated for?
Source: Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
How many stones does the Classic Legacy (Small) hold?
Kuuma lists a stone capacity of 80-100 lb.
Source: Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
What flue size does the Classic Legacy (Small) need?
Kuuma lists 6 in. Flue and chimney work should follow the manual and local code.
Can the Classic Legacy (Small) heat water?
Kuuma lists: Optional stainless steel water tank, 12 gallons (Setri "Cedar" Hot Water Package).
Source: Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
Is the Classic Legacy (Small) safety listed?
Kuuma states: UL 1482 (listed by PFS-TECO).
What does the Classic Legacy (Small) cost on Kuuma's site?
Kuuma's own site showed $2,395 (lamppakuuma.com, 23 Sep 2026). That is the maker's price, not a retailer's or Amazon's; prices change, and the seller's page shows the current one. Related question: How much does a sauna heater cost?
Source: Finnish Wood Burning Sauna Stove | Finnish Sauna Heater
More from Kuuma: all Kuuma products on Saunakivi.