Rated for a bigger room: HUUM DROP 4
HUUM rates it for 3–7 m³ (about 106–247 ft³, our conversion); Saunum rates the Air 5 for 106–212 ft³ (about 3–6 m³, our conversion).
Saunum Air 5
A 5 kW electric sauna heater from Saunum, rated by the maker for 106–212 ft³ (about 3–6 m³, our conversion). Every figure below is Saunum's own, linked to where it is published.
See it at Saunum (PDF)Specifications published by Saunum (8)
- Heater output
- 5 kWSaunum Air – Saunum US
- Room size it is rated for
- 106–212 ft³ (about 3–6 m³, our conversion)Saunum-Air-US-ENG-_V_25_12.1_WEB.pdf
- Fuel
- ElectricSaunum Air – Saunum US
- Voltage
- 240 VSaunum-Air-US-ENG-_V_25_12.1_WEB.pdf
- Stone capacity
- 50 kgSaunum-Air-US-ENG-_V_25_12.1_WEB.pdf
- Controls
- Connect the Saunum Air to the Air IQ control unitSaunum-Air-US-ENG-_V_25_12.1_WEB.pdf
- Safety listing
- UL (UL 875, cert UL-US-2310119-2); CSA C22.2 No. 164 (UL-CA-2308849-2)Saunum Air UL Documents (UL Certificates of Compliance)
- Warranty
- The warranty period of the sauna climate device when used in a private sauna is two (2) yearsSaunum-Air-US-ENG-_V_25_12.1_WEB.pdf
As published by Saunum, read on 2026-09-23. Makers revise their products; check Saunum'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.
If you are looking for more
A longer stated warranty, on at least part of the product: HUUM CLIFF 11
HUUM states: 3 years (private use); 1 year (commercial use). Saunum states for the Air 5: The warranty period of the sauna climate device when used in a private sauna is two (2) years.
Compare it with
Air 5 vs KIP45B 4.5 kW 240VAC
Side by side with the Harvia KIP45B 4.5 kW 240VAC. These electric heaters carry maker room-size ratings that share part of the same range.
Air 5 vs CLIFF Mini 4
Side by side with the HUUM CLIFF Mini 4. These electric heaters carry maker room-size ratings that share part of the same range.
Air 5 vs DROP 4
Side by side with the HUUM DROP 4. Both electric heaters are rated by their makers for at least some of the same room sizes.
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)
Air 5: questions answered from Saunum's specification
What is the output of the Air 5?
Saunum lists 5 kW. Related question: What size sauna heater do I need?
Source: Saunum Air – Saunum US
What size of sauna room is the Air 5 for?
Saunum rates it for 106–212 ft³ (about 3–6 m³, our conversion). See our heater sizing guide for how makers adjust that figure for glass and uninsulated walls.
What voltage does the Air 5 run on?
Saunum lists 240 V. Related question: Does a sauna heater need 240 V, or will 120 V work?
How many stones does the Air 5 hold?
Saunum lists a stone capacity of 50 kg.
How is the Air 5 controlled?
Saunum lists: Connect the Saunum Air to the Air IQ control unit.
What warranty does Saunum give on the Air 5?
Saunum lists: The warranty period of the sauna climate device when used in a private sauna is two (2) years.
Is the Air 5 safety listed?
Saunum states: UL (UL 875, cert UL-US-2310119-2); CSA C22.2 No. 164 (UL-CA-2308849-2).
Source: Saunum Air UL Documents (UL Certificates of Compliance)
More from Saunum: all Saunum products on Saunakivi.