Commercial Sauna Heaters

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Commercial Sauna Heaters Commercial sauna heaters are built for environments where the sauna runs all day, every day — gyms, fitness centers, spas, hotels, wellness clubs, apartment buildings, and co-working spaces. These heaters differ from residential models in three critical ways: higher kW output to heat larger rooms, 208V three-phase electrical compatibility for commercial buildings, and construction rated for continuous 24-hour operation instead of occasional home use. Every commercial heater in this collection is made by Harvia , the world's largest sauna heater manufacturer. Harvia's commercial-grade models use stainless steel construction, modular heating elements that can be individually replaced without removing the entire heater, and multi-layer casings that keep surface temperatures lower in high-traffic environments where accidental contact is more likely. For a complete breakdown of commercial heater selection, electrical requirements, and sauna kit recommendations by gym size, read our Best Gym Sauna Heaters & Sauna Kits for Commercial Use guide. For a side-by-side comparison of the two most popular commercial models, see Harvia Cilindro vs. Harvia Club . 208V Three-Phase vs. 240V Single-Phase This is the most important technical decision for commercial installations. Most residential properties run 240V single-phase (240V/1PH) power. Most commercial buildings — gyms, hotels, spas, apartment complexes — use 208V three-phase (208V/3PH) power. Every heater in this collection is available in 208V/3PH configurations specifically for commercial electrical systems. If you're unsure which voltage your facility uses, your electrician or building manager can confirm before you order. Selecting the wrong voltage wastes energy and voids the warranty. If your commercial space happens to run 240V single-phase, these same heater models are also available in 240V/1PH versions . Harvia Club — 10kW · 12.5kW · 15kW The Club is Harvia's purpose-built commercial hea