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Pro 20 ES wood-burning heater vs HIVE Flow

Harvia Pro 20 ES wood-burning heater and HUUM HIVE Flow, compared on the figures their makers publish. Both wood-burning stoves are rated by their makers for at least some of the same room sizes.

The makers' figures side by side

The makers' figures side by side
SpecificationHarvia Pro 20 ES wood-burning heaterHUUM HIVE Flow
Heater output24.1 kW9.8 kW
Room size it is rated for283–706 ft³ (about 8–20 m³, our conversion)8–18 m³ (about 283–636 ft³, our conversion)
FuelWood-burningWood-burning
Stone capacity88.2 lb~150 kg
MountingFloor—
DimensionsH 29.92 in x W 16.93 in x D 25.59 inH 884 mm x W 526 mm x D 586 mm
Weight143.3 lb67 kg
Water tankIntegrated 20-litre front water tank—
Glass doorYesYes
Flue / chimney diameter—114 mm
Warranty—3 years (private use); 1 year (commercial use)
Made in—Estonia

Each figure is the maker's own, as cited row by row on the Pro 20 ES wood-burning heater and HIVE Flow pages and listed in the sources below. A dash means the figure is not on the maker pages we cite. Figures marked "about" are Saunakivi's unit conversions of the maker's figure.

Where to buy

Harvia Pro 20 ES wood-burning heater

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HUUM HIVE Flow

Paid links · how this works

Where the published figures differ

  • Heater output: Pro 20 ES wood-burning heater: 24.1 kW. HIVE Flow: 9.8 kW.
  • Room size it is rated for: Pro 20 ES wood-burning heater: 283–706 ft³ (about 8–20 m³, our conversion). HIVE Flow: 8–18 m³ (about 283–636 ft³, our conversion).
  • Stone capacity: Pro 20 ES wood-burning heater: 88.2 lb. HIVE Flow: ~150 kg.
  • Dimensions: Pro 20 ES wood-burning heater: H 29.92 in x W 16.93 in x D 25.59 in. HIVE Flow: H 884 mm x W 526 mm x D 586 mm.
  • Weight: Pro 20 ES wood-burning heater: 143.3 lb. HIVE Flow: 67 kg.

Figures we cite for only one of the two: mounting (only Harvia's cited pages give it); water tank (only Harvia's cited pages give it); flue / chimney diameter (only HUUM's cited pages give it); warranty (only HUUM's cited pages give it); made in (only HUUM's cited pages give it). Ask the other maker before treating the two as equal on those points.

Read each one in full

HUUM HIVE Flow

HUUM · wood-burning · 9.8 kW · rated for 8–18 m³ (about 283–636 ft³, our conversion)

Sources

  1. Wood burning heater Harvia Pro 20 ES black | Wood burning heaters | Harvia — Harvia
  2. HIVE Flow Wood-Burning Stove - HUUM — HUUM
  3. HUUM Limited Warranty Terms and Conditions (v4, ENG) — HUUM