HUUM Hive 18kw Electric Sauna Heater

Product price:	$3,167.00
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HUUM Hive 18: the biggest HUUM heater, for saunas from 636 to 1,236 cubic feet

The HUUM Hive 18 is the largest electric sauna heater HUUM makes, a floor standing 18 kW model for rooms from 636 to 1,236 cubic feet in health clubs, gyms, and big home saunas. Made in Estonia, its round stainless steel body measures 22 inches across and 29.5 inches tall and sits on adjustable legs. It weighs 48.5 pounds empty and holds 552 pounds of stones resting directly on the heating elements. That large stone load gives even a big room soft, steady heat and steam that lasts.

You get the heater, adjustable legs, an air tunnel insert, and the manual. The insert speeds heating by about a quarter and reduces the stone load to about 463 pounds when fitted. It needs a HUUM UKU control and the UKU extension box to run, and you add both on the page. Choose the Wi-Fi version and you can start the sauna from your phone. Sauna stones are sold separately, so add the 16 boxes it needs on the page. A safety rail, an embedding flange, a reflector panel, and a bucket and ladle set are optional. Prefer the control, extension box, and stones in one order? See the HUUM Hive 18 heater package. The HUUM Hive 18 ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.

Features

Elegant design
Suitable for commercial use
240V/1PH operation
For sauna rooms from 636 to 1236 cu. ft.
Works with UKU controls (sold separately)
Works with UKU extension box (sold separately)
Large 552-pound stone capacity (sold separately, Requires 17 boxes) or 463lbs with use of HIVE air tunnel
Direct contact between stones and heating elements
More exposed stones create a longer and milder heat
Stainless steel construction
Stainless steel, industrial quality heating elements
Floor model with adjustable legs
Designed, engineered, and made in Estonia
Dimensions: 22″ Diameter (560mm) x 29.5″ H (750mm)
SGS Listed
Limited 5-year warranty (excluding elements)

Includes

18.0kW Sauna heater
Adjustable legs
Installation and operation manual
Limited 5-year warranty (excluding elements)
Includes an Air Tunnel. (The Air Tunnel has been a HIVE and HIVE mini option that speeds up heating by 25%, enhances air circulation, and increases the lifespan of the heating elements. This stainless-steel housing is installed in the center of the heater and will reduce stone capacity by an estimated 2 boxes.)

Specifications

Model	HIVE 18
Kilowatt Rating	18KW
Minimum Cubic Feet	636 CF
Maximum Cubic Feet	1236 CF
Heater Weight	48.5 lbs
Shipping Weight with Sauna Stones	600.5 lbs
240V, Single Phase Amperage	75 Amps
Circuit Breaker	50 + 50
Wire Size AWG	8 + 8
Diameter	22″ (560mm)
Height	29.5″ (750mm)

FAQ

What size sauna does this heater support?

The HIVE 18 is rated for large rooms from 636 to 1,236 cubic feet, which is why the description points to health clubs and gyms. It is equally at home in a large residential sauna; smaller rooms should use a smaller HUUM sauna heater instead.

Can it be used commercially?

Yes. The features list marks it suitable for commercial use, and it is SGS Listed with a limited 5-year warranty excluding heating elements. Its stainless steel construction and industrial-quality heating elements are built for the frequent sessions a health club or gym sauna sees.

What do I need besides the heater itself?

You will need an UKU control and, because this heater is over 12kW, the UKU extension box – both are offered as add-ons on this page, along with the required sauna stones. Select them with your order so the whole system arrives together and nothing holds up installation.

How many stones does it take?

It holds a massive 552 pounds of stones, or about 463 pounds when the included Air Tunnel is installed. The stone boxes are listed under the Required Stones add-on on this page, so add them to your order rather than sourcing stones elsewhere.

What is the Air Tunnel that comes with it?

The Air Tunnel is a stainless steel housing installed in the center of the heater. Per the includes tab, it speeds up heating by 25 percent, enhances air circulation, and extends the life of the heating elements, while reducing stone capacity by roughly two boxes of stones.

What electrical service does an 18kW heater need?

The specification table lists 75 amps at 240V single-phase, with the circuit breaker column showing 50 + 50 and wire size 8 + 8 AWG – in other words, two dedicated circuits. This is strictly a job for a licensed electrician following the manual and local code.

How does delivery work for something this heavy?

It ships by freight on a wooden pallet with delivery by special appointment, and the driver lowers it curbside at ground level. The store contacts you before shipping to review shipment details and discuss any circumstances that could complicate delivery or add expense to it.

Shipping

The weight or packaging of this product requires delivery by special appointment, and on a wooden pallet. 

The driver is responsible for curbside delivery “only” and will lower the items to ground level. 

Prior to shipping this product, we contact customers to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. 