Sauna Marketplace offers legendary customer service and support. Odds are you landed here from a referral — because we don’t advertise.
That doesn’t mean you should have to pay more. We always honor the lowest prices allowed by our manufacturers. If you find a lower advertised price from an authorized dealer, send us a screenshot and we’ll match it.
We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.
| Model | STEEL Mini 4 |
|---|---|
| IDM Part Number | H1007012 |
| Sauna Room Volume | 123–212 ft³ |
|---|---|
| Uninsulated Surface Adjustment | Add 3.3 ft³ for each 1 ft² of glass, tile, brick, or other uninsulated surface. |
| Rated Power | 3.5 kW |
|---|---|
| Supply | 240 V, single phase |
| Rated Current | 14.58 A |
| Breaker | 20 A |
| Power Cable | 12 AWG copper; verify current manual and local code |
| Heater Dimensions | 12.6 in W × 6 in D × 38.4 in H |
|---|---|
| Heater Weight | 32 lb |
| Stone Capacity | 133 lb; four boxes of 1–2 in stones required |
| Maximum Setting | 230°F (110°C) |
| Clearance A (manual diagram) | 2 in (50 mm) minimum |
|---|---|
| Envelope B (manual diagram) | 16.1 in (410 mm) minimum |
| Ceiling Clearance Above Heater | 47.2 in (1200 mm) minimum |
| Control | HUUM UKU Local or Wi-Fi control |
|---|---|
| Stones | Four 33-lb boxes of HUUM 1–2 in stones |
Use the current U.S. installation manual and a licensed electrician for final wiring and clearances.
Verified against Bathing Brands IDM dated June 29, 2026 and HUUM U.S. manual H1006L03 v9.
HUUM STEEL Mini is a low-profile small sauna heater that stands on adjustable legs against the wall and is secured with HUUM’s special bracket. Its 3.5 kW output covers 123–212 cubic feet, while 133 lb of stones deliver mild, long-lasting steam. UKU control and four boxes of 1–2-inch stones are required and sold separately.
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STEEL Mini brings HUUM’s slim architectural design to compact sauna rooms. Its low-profile 12.6-inch-wide by 6-inch-deep body stands on adjustable legs against the wall and is secured with HUUM’s special wall bracket. The internal air tunnel supports quick, even heating while 133 lb of stones provide gentle, long-lasting steam.
HUUM UKU control and sauna stones are required and sold separately. Electrical installation must be completed by a qualified electrician using the current U.S. manual.
Sauna Marketplace offers legendary customer service and support. Odds are you landed here from a referral — because we don’t advertise.
That doesn’t mean you should have to pay more. We always honor the lowest prices allowed by our manufacturers. If you find a lower advertised price from an authorized dealer, send us a screenshot and we’ll match it.
We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.
| Model | STEEL Mini 4 |
|---|---|
| IDM Part Number | H1007012 |
| Sauna Room Volume | 123–212 ft³ |
|---|---|
| Uninsulated Surface Adjustment | Add 3.3 ft³ for each 1 ft² of glass, tile, brick, or other uninsulated surface. |
| Rated Power | 3.5 kW |
|---|---|
| Supply | 240 V, single phase |
| Rated Current | 14.58 A |
| Breaker | 20 A |
| Power Cable | 12 AWG copper; verify current manual and local code |
| Heater Dimensions | 12.6 in W × 6 in D × 38.4 in H |
|---|---|
| Heater Weight | 32 lb |
| Stone Capacity | 133 lb; four boxes of 1–2 in stones required |
| Maximum Setting | 230°F (110°C) |
| Clearance A (manual diagram) | 2 in (50 mm) minimum |
|---|---|
| Envelope B (manual diagram) | 16.1 in (410 mm) minimum |
| Ceiling Clearance Above Heater | 47.2 in (1200 mm) minimum |
| Control | HUUM UKU Local or Wi-Fi control |
|---|---|
| Stones | Four 33-lb boxes of HUUM 1–2 in stones |
Use the current U.S. installation manual and a licensed electrician for final wiring and clearances.
Verified against Bathing Brands IDM dated June 29, 2026 and HUUM U.S. manual H1006L03 v9.
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