What Is the Harvia Club?

Harvia has been designing and manufacturing sauna heaters in Finland since 1950. Today, the company is the world's largest sauna heater manufacturer, with products installed in over 100 countries. The Club is one of their flagship commercial-grade models — a free-standing, floor-mounted electric sauna heater engineered for high-demand environments where the sauna needs to run all day, every day.

The name says it all. The Club was built for the places where sauna gets used seriously: health clubs, hotel spas, apartment building amenity rooms, day spas, and large private home saunas that serve a family and regular guests. In commercial mode, the heater can be configured to run up to 18 hours per day — a spec that reflects just how much Harvia overbuilt this thing for reliability.

The Club series currently comes in three output ratings: the K10G at 10 kW, the K12.5G at 12.5 kW, and the K15G at 15 kW. All three are physically the same dimensions, made from the same materials, and use the same control system. The wattage you choose is determined entirely by the cubic footage of your sauna room. You can browse all three Club models here or grab a complete package with the Xenio WiFi controller and stones already included.

Harvia Club Specifications at a Glance

Design and Build Quality

The Club's aesthetic is functional industrial — it doesn't try to be a design object the way the Harvia Cilindro does. The entire body is constructed from corrosion-resistant stainless steel, including both the outer casing and the internal heating elements. This matters for a heater that sees daily steam exposure. Stainless steel resists oxidation and surface pitting over years of löyly cycles in ways that coated or painted steel simply cannot.

The multi-layer wall construction deserves specific attention. Rather than a single-skin steel shell, the Club uses a layered design that creates an insulating air gap between the outer surface and the inner heating core. This keeps the exterior cooler to the touch — a real safety benefit in a commercial setting where bathers are moving around in close proximity to the heater. It also means more of the heat energy goes into the stones rather than radiating off the casing.

Being a floor-standing unit gives the Club a placement flexibility that wall-mounted heaters can't match. You can position it in the center of the sauna floor, in a corner, or against a side wall — wherever your bench layout and room geometry call for. There's no wall load, no masonry anchor required, and no concern about wall material compatibility. For rooms with unconventional layouts or non-wood wall surfaces, this is a meaningful advantage over wall-mounted options like the Harvia KIP.

Stone Bed and Heat Performance

The performance story of the Club starts with its stone bed. All three models require a minimum of 132 lbs of sauna stones — three boxes of Harvia's AC3000 natural stones — which load directly on top of the heating elements. This rock-to-element contact is a key design choice. When stones sit on and around the elements rather than in a separate basket above them, heat transfer is more immediate and the thermal mass of the stone bed is more effectively engaged.

What this means in practice: the Club builds up a large reservoir of stored heat in the stones during preheat. When you pour water, the steam response is strong and consistent, not a quick flash that dissipates immediately. The steam is dense and sustained — the kind of löyly that makes Finnish sauna what it is. In a commercial setting where bathers are entering and exiting throughout the day, that thermal stability is the difference between a consistent experience for every session and a heater that struggles to recover between rounds.

A general rule of thumb in sauna sizing is approximately 1 kW per 50 cubic feet of room volume. The Club's three-model lineup follows this closely: the K10G handles rooms up to 600 adjusted cubic feet, the K12.5G covers up to 742, and the K15G reaches up to 989. "Adjusted" cubic footage accounts for the thermal load of glass walls, tile, and concrete, which absorb more heat than insulated wood — so a room with those materials effectively calculates larger than its raw dimensions. If you're unsure what model fits your specific build, our sauna heater sizing resources can help you dial in the right kW rating.

The Xenio Control System: WiFi, Touchscreen, and Smart Scheduling

The Club does not include a controller out of the box — it requires an external Xenio control unit to operate. This is a design choice, not a flaw: commercial and multi-unit installations often use different controller configurations, and the separation lets you choose exactly the control setup that fits your build.

When you purchase the Harvia Club complete package, the Xenio CX45 WiFi controller is bundled in. The CX45 features an intuitive touchscreen interface that lets you set temperature, run time, and control sauna room lighting from a panel mounted outside the sauna. With WiFi connectivity enabled, you get full remote control through the MyHarvia app — preheat your sauna from your phone while you're finishing a workout, set a weekly schedule, or check the current temperature before you walk down to the sauna room.

The controller supports a 60-minute countdown timer with an additional 10-minute to 12-hour delay start (in 10-minute increments) and temperature display in either °F or °C. The control panel can be surface-mounted or flush-mounted depending on wall thickness and aesthetic preference. For commercial installations, a clear acrylic cover is available to prevent bathers from adjusting the set temperature.

Who Is the Harvia Club Best Suited For?

Commercial and Semi-Commercial Installs

The Club is the default recommendation for any install where the sauna will be used by multiple people throughout the day. Gyms, CrossFit facilities, apartment buildings, boutique hotels, spas, and wellness studios all fall into this category. The 208V/3PH configuration is specifically designed for commercial electrical infrastructure, and the 18-hour commercial duty cycle rating means this heater won't be stressed by continuous operation the way a residential heater would be.

Large Home Saunas

Many private home saunas in the 400–900 cubic foot range are oversized enough to require the Club's output levels. Custom barrel saunas, basement sauna rooms, and dedicated outdoor sauna buildings with multiple benches often push past what the Cilindro or Virta can comfortably cover. At 10–15 kW, the Club picks up where smaller floor heaters leave off. If your room is above 600 cubic feet, the K12.5G or K15G is almost certainly the right call.

High-Frequency Users

Even in a home context, if you're running the sauna every day — solo or with family — the Club's construction is worth the investment. The all-stainless build and commercial-rated components mean you're not replacing heating elements every few years. This is the sauna heater you buy once and expect to outlast multiple remodels.

Harvia Club vs. Harvia Cilindro: Which Should You Buy?

This is the most common comparison question for buyers in the 400–600 cubic foot range where both models overlap. The short answer is that the Cilindro Half tops out at 10.5 kW and 636 adjusted cubic feet with built-in controls available, while the Club starts at 10 kW with no built-in control option and runs all the way to 15 kW for rooms approaching 1,000 cubic feet.

Choose the Cilindro if you want a visually striking pillar heater, your room is under 600 cubic feet, and you'd consider the built-in controls a convenience over the Xenio external panel. Choose the Club if your room is large, you're planning commercial use, or you want maximum stone capacity and output at the 10 kW level and above. For a full comparison, see our complete Harvia heater buyer's guide.

Electrical Requirements

The Club's electrical requirements scale with the model. Here's what your electrician needs to know before installation:

• K10G (240V/1PH): 50-amp dedicated breaker, 8 AWG wire
• K12.5G (240V/1PH): 60-amp dedicated breaker, 6 AWG wire
• K15G (240V/1PH): 70-amp dedicated breaker, 4 AWG wire
• 208V/3PH versions (commercial): 50-amp breaker, 8 AWG wire across all three models

All three models ship on a wooden freight pallet given their size and weight. Plan for a freight delivery receiving situation rather than a standard parcel drop. The Club ships from Harvia's Chicago distribution hub, and all shipments are fully insured.

Sauna Stones: What You Need to Know

All three Club models require a minimum of 132 lbs of sauna stones — that's three boxes of Harvia's AC3000 rounded olivine diabase stones. The stones load directly on top of the heating elements, which is how the direct-contact heat transfer design functions. Unlike some heaters where stones sit in a separate basket above the elements, the Club's stones are in thermal contact with the elements themselves for maximum heat retention and steam output.

Because natural stones vary in size and shape, Harvia and most dealers recommend purchasing an extra fourth box. Having more stones than the minimum lets you select the best-fitting pieces for the lower layers where element contact is most important, and fill remaining gaps with smaller stones above. The Harvia AC4000 white decorative stones can also be used as a top layer (one box maximum) for a cleaner aesthetic — but they're for visual use only and are not placed near the elements.

One important maintenance note: sauna heater stones degrade over time through repeated heat-and-cool cycling. Cracked or crumbling stones should be replaced — they can restrict airflow through the stone bed and in rare cases lead to uneven element heating. As part of the Club's warranty conditions, proper stone maintenance is the owner's responsibility.

Warranty and Long-Term Reliability

Harvia covers the Club with their standard residential warranty for home use. The stainless steel construction means corrosion is essentially a non-issue under normal sauna operating conditions. The full array of service parts — heating elements, gaskets, thermostats — is available for the Club, so if a component needs replacement years down the road, you're not looking at a full heater replacement. This parts availability is one of the practical advantages of buying from a brand at Harvia's scale: they're not going anywhere, and neither is the support infrastructure around their products.

Looking at the broader Harvia lineup, the Club sits in the same reliability tier as the Harvia Virta Pro — both are purpose-built for the kind of heavy-duty use that would shorten the lifespan of a lighter residential heater. The Virta Pro adds modular element replacement and pushes to 16 and 20 kW for the largest commercial rooms, but for rooms under 1,000 cubic feet, the Club is the better value proposition.

Harvia Club: Pros and Cons

Bottom Line: Is the Harvia Club Worth It?

For the use cases it's designed for, the Harvia Club is one of the most dependable electric sauna heaters on the market. It isn't trying to be stylish or minimalist — it's a stainless steel workhorse with Finnish engineering behind it, built to heat large rooms reliably for years of continuous use. The 132-lb stone bed produces serious steam, the Xenio WiFi system makes scheduling effortless, and the 208V/3PH commercial configuration means it integrates cleanly into commercial building electrical infrastructure.

If your sauna room is above 388 cubic feet, you want a floor-standing heater, and you're not willing to compromise on longevity or steam quality, the Club is a straightforward choice. The complete package — heater, Xenio CX45 WiFi controller, and stones — is the cleanest way to purchase, since you'll need all three components to operate it anyway.

Unsure if the Club is the right model for your room size, or trying to decide between the Club and another floor heater like the Cilindro or Virta? Check our Harvia vs HUUM comparison guide, or browse the full Harvia collection at Haven of Heat to see all models side by side.