HUUM STEEL Mini 3.5kW | Electric Sauna Heater

HUUM Steel Mini 3.5kW Electric Sauna Heater offers compact, efficient heating for small sauna rooms ranging from 106 to 177 cubic feet. Engineered in Estonia, this wall-mounted heater combines sleek stainless steel construction with industrial-quality heating elements for reliable, long-lasting performance. Its internal air duct accelerates heating by up to 25%, while the capacity to hold 133 pounds of sauna stones ensures gentle, consistent steam for a superior sauna experience. The slim profile and minimal safety distances make it ideal for tight spaces without compromising comfort or aesthetics. Fully compatible with UKU controls, the STEEL Mini allows precise temperature management and effortless operation. Designed to seamlessly integrate into modern sauna interiors, it delivers quick warmth, elegant form, and enduring functionality, making it a perfect choice for both new installations and space-conscious upgrades.

Flat-rate delivery of £274 covers every product and accessory to any UK mainland address; orders over £5,000 ship free. We process orders in 1–3 working days and the courier takes 3–6 working days. Large items come on a pallet and we phone to book a delivery day.

You can cancel within 14 days of delivery under the Consumer Contracts Regulations. Returns are processed within 7 working days of the goods arriving back with us. Read the full shipping policy and returns policy.