Head to head
HUUM DROP 9kW Electric Heater vs Harvia Cilindro 9kW
$1,751 against $1,318. Here is where the $433 difference actually goes.
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Higher lab score
HUUM
DROP 9kW Electric Heater
$1,751
9.2 / 10
6–8 person rooms where the heater is visible and should look intentional
Harvia
Cilindro 9kW
$1,318
9.0 / 10
Anyone who wants maximum steam quality per dollar
Specifications side by side
| Spec | HUUM DROP 9kW Electric Heater | Harvia Cilindro 9kW |
|---|---|---|
| Price | $1,751 | $1,318 |
| Lab score | 9.2 | 9.0 |
| Output | 9 kW | 9 kW |
| Room volume | ~450 cu ft (12.7 m³) | ~450 cu ft |
| Circuit | 240V / 40A | 240V / 40A |
| Stones | High capacity | Very high capacity |
| Control | UKU controller (sold separately) | — |
| Type | — | Pillar / cylinder |
The verdict
HUUM DROP 9kW Electric Heater takes the higher score here. The best-looking heater that is also good at heating. Estonian design, large stone mass, and it undercuts HUUM's own CORE by $450.
The counter-argument for the Harvia Cilindro 9kW is straightforward: it costs $433 less. The value pick at 9kW. Same output as the HUUM DROP for $433 less, with the largest stone column in its price class.
Put plainly — if your constraint is budget, take the Cilindro 9kW and put the $433 toward installation, which is the line item most first-time buyers underestimate. If your constraint is that you want to buy once, the DROP 9kW Electric Heater is the one you will not be replacing.
What each one is good at
HUUM DROP 9kW Electric Heater
Strengths
- Large stone capacity produces soft, steady löyly
- Genuinely beautiful — it reads as a design object, not an appliance
- Cheaper than the CORE at the same 9kW output
Compromises
- Requires a 240V 40A circuit and a licensed electrician
- Stones must be restacked roughly annually
- Wi-Fi controller (UKU) is an added cost
Harvia Cilindro 9kW
Strengths
- Best price-per-kW of any premium heater we priced
- Tall stone column stores a lot of heat for sustained löyly
- Harvia parts availability is the best in the industry
Compromises
- Cylindrical guard gets extremely hot — needs clearance planning
- Less refined finish than HUUM
- Loading the tall column takes a full bag more of stones
Prices captured September 2026 from manufacturer and retailer pages and subject to frequent promotion. Confirm before buying. See our testing method for how lab scores are assigned.