HUUM DROP 7

A 7.5 kW electric sauna heater from HUUM, rated by the maker for 7–11 m³ (about 247–388 ft³, our conversion). Every figure below is HUUM's own, linked to where it is published.

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Specifications published by HUUM (12)

Heater output: 7.5 kWElectric Sauna Heater DROP - HUUM
Room size it is rated for: 7–11 m³ (about 247–388 ft³, our conversion)Electric Sauna Heater DROP - HUUM
Fuel: ElectricElectric Sauna Heater DROP - HUUM
Voltage: 240 V 2~ or 208 V 2~Electric Sauna Heater DROP - HUUM
Breaker / current: 40 A (240 V), 30 A (208 V)Electric Sauna Heater DROP - HUUM
Stone capacity: 55 kgElectric Sauna Heater DROP - HUUM
Controls: The UKU control system set already includes a black plastic control panel CLASSIC BlackElectric Sauna Heater DROP - HUUM
Mounting: WallH1001L08_v8_DROP_2.0_User_Manual_US_PRINT.pdf
Dimensions: H 590 mm x W 390 mm x D 335 mmElectric Sauna Heater DROP - HUUM
Weight: 12 kgElectric Sauna Heater DROP - HUUM
Warranty: 3 years (private use); 1 year (commercial use)HUUM Limited Warranty Terms and Conditions (v4, ENG)
Made in: EstoniaElectric Sauna Heater DROP - HUUM

As published by HUUM, read on 2026-09-23. Makers revise their products; check HUUM'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.

Also see

If you are looking for more

Rated for a bigger room: Harvia KIP80B 8 kW 240VAC

Harvia rates it for 251–424 ft³ (about 7.1–12 m³, our conversion); HUUM rates the DROP 7 for 7–11 m³ (about 247–388 ft³, our conversion).

A longer stated warranty, on at least part of the product: Finnleo Designer-SL2 6.0 kW

Finnleo states: 5 years parts (traditional sauna heater), residential; 2 years in-field labor + 3 years at-factory labor (non-commercial); commercial: 2-year parts-only. HUUM states for the DROP 7: 3 years (private use); 1 year (commercial use).

Compare it with

DROP 7 vs KIP80B 8 kW 240VAC

Side by side with the Harvia KIP80B 8 kW 240VAC. The makers of both electric heaters publish rated room sizes that overlap.

Other electric heaters

Harvia KIP80B 8 kW 240VAC

Harvia · electric · 8 kW · rated for 251–424 ft³ (about 7.1–12 m³, our conversion)

Harvia KIP45B 4.5 kW 240VAC

Harvia · electric · 4.5 kW · rated for 100–211 ft³ (about 2.8–6 m³, our conversion)

Harvia KIP60W 6.0 kW 240V

Harvia · electric · 6 kW · rated for 170–300 ft³ (about 4.8–8.5 m³, our conversion)

Harvia Cilindro Half PC90H 9 kW 208V

Harvia · electric · 9 kW

HUUM DROP 6

HUUM · electric · 6 kW · rated for 5–9 m³ (about 177–318 ft³, our conversion)

HUUM DROP 9

HUUM · electric · 9 kW · rated for 8–13 m³ (about 283–459 ft³, our conversion)

DROP 7: questions answered from HUUM's specification

What is the output of the DROP 7?

HUUM lists 7.5 kW. Related question: What size sauna heater do I need?

Source: Electric Sauna Heater DROP - HUUM

What size of sauna room is the DROP 7 for?

HUUM rates it for 7–11 m³ (about 247–388 ft³, our conversion). See our heater sizing guide for how makers adjust that figure for glass and uninsulated walls.

Source: Electric Sauna Heater DROP - HUUM

What voltage does the DROP 7 run on?

HUUM lists 240 V 2~ or 208 V 2~. Related question: Does a sauna heater need 240 V, or will 120 V work?

Source: Electric Sauna Heater DROP - HUUM

What breaker or current does the DROP 7 need?

HUUM lists 40 A (240 V), 30 A (208 V). The installation manual and a licensed electrician have the final word. Related question: What breaker does a sauna heater need?

Source: Electric Sauna Heater DROP - HUUM