01 — Side by side
Side by side
| Helo | Huum | |
|---|---|---|
| Heaters with checked prices | 5 | 10 |
| Price range | £326–£4314 | £48–£1269 |
| Power range | 6.5–17kW | 3–18kW |
| Heater types | electric | electric, wood |
| With app or Wi-Fi control | 0 | 5 |
| Priced at 2+ shops | 0 | 0 |
02 — Key facts
Key facts
- Heaters compared
- 15
03 — Compare like-for-like prices
Compare like-for-like prices
Helo’s listed prices start at £326.39. The listings do not cover heaters alone. Huum’s lowest-priced entry is a heat retainer for DROP heating elements on pre-2024 models. Helo’s list includes the Elite Free Control Panel at £569.99, so you should not read every entry as a complete heater.
For a comparison at the same listed output, the 9 kW Helo Cup STJ starts at £326.39 and is labelled 3-phase only. The 9 kW HUUM DROP starts at £429.99. Another Helo option at 9 kW is the SKLE Digitally Mastered Commercial Sauna Heater Chrome. Keep the exact product name alongside the price when you compare these entries.
04 — Narrow your choice by fuel, output and controls
Narrow your choice by fuel, output and controls
If you want a wood option, Huum’s list includes the Hive Wood 17 kW LS through-the-wall model. Helo’s entries are electric. At the lower end of Huum’s listed outputs, the CORE Wall Mini is 3 kW and the CLIFF Mini is 3.5 kW.
For connected controls, Huum has 4 entries marked for app or Wi-Fi connectivity. The 6 kW Huum Drop listing explicitly names a local or Wi-Fi control unit and starts at £739. Helo has no entries marked for app or Wi-Fi connectivity in this comparison.
05 — Frequently asked questions
Frequently asked questions
Not sure what size you need?
Work out the right kW for your room from its size, insulation and glass.
Heater size calculator