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HUUM

HUUM CLIFF Mini Series 4.0kW Sauna Heater with Stones and Control

4.7 31 online product reviews
$2,79900 $4,19900
Tax and shipping included in price. Discounts calculated at checkout.
Heater Control Package
Description

This HUUM Cliff Mini sauna heater package comes complete with the traditionally designed CLIFF Mini 3.5kW sauna heater, UKU control (WiFi optional), and sauna stones - everything you need to build your dream sauna experience. The package has been combined for use in sauna rooms up to 212 cubic feet (CF).

Features

CLIFF Mini 3.5kW Sauna Heater

  • Slender design
  • Suitable for use in small saunas with limited space
  • Small safety distances
  • Heats up to 25% faster due to internal air duct
  • For sauna rooms from 123 to 212 cu. ft.
  • 133 pound stone capacity 
  • Removable rib(s) for more accurate stacking of stones
  • 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​
  • Wall-mount model
  • Designed, engineered, and made in Estonia
  • Dimensions: 10.6" W (270mm) x 6.3" D (160mm) x 38.4" H (975mm)
  • Limited 5-year warranty (excluding elements)

UKU

  • Sleek Black control display panel
  • Multiple Color Options available (additional charges apply)
  • Settable on/off, time, temperature, and delay
  • Settable temperature range of 104-230F
  • Delayed start up to 48hrs in advance
  • Optional Built-in Wi-Fi interface for HUUM mobile app (additional charges apply)
  • 8 Language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
  • Inside/outside sauna room installation
  • Optional smart heating setting
  • Available decorative control display panels
  • Displays set temperature and room temperature
  • Temperature sensor
  • Door sensor to keep the heat inside the room
  • Remotely located main control module
  • Connects to lights and ventilation
  • Overheat protection
  • Child safety lock
  • Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
  • Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)

Stones 12

  • Olivine diabase sauna stones
  • Rounded shape to complement heater design
  • Durable with high-heat capacity
  • Stones range from 1" to 2" (3-5 cm)
Includes

CLIFF Mini 3.5kw Sauna Heater

  • 3.5kW sauna heater
  • 2 prop blocks (for removal of sauna rib slats)
  • Installation and operation manual
  • 5-Year limited warranty (excluding elements)

UKU

  • Black Control console
  • Main control module
  • Temperature sensor
  • Door sensor
  • Control display panel cable
  • Temperature sensor cable
  • Door sensor cable
  • Installation and operation manual
  • 5-Year limited warranty

Stones 12

  • 132 lbs of 1" to 2" (3-5 cm) round Olivine sauna stones
Specifications
Model CLIFF Mini 3.5STU PKG
CLIFF Mini 3.5STU
Kilowatt Rating 3.5 KW
Minimum Cubic Feet 123 CF
Maximum Cubic Feet 212 CF
Heater Weight 33 lbs
Shipping Weight with Sauna Stones 166 lbs
240V, Single Phase Amperage --
Width 10.6" (270mm)
Depth 6.3" (160mm)
Height 38.4" (975mm)
UKU
Minimum Temperature Setting 104 F
Maximum Temperature Setting 230 F
Shipping Weight 20 lbs
Console Dimensions
Width 2.2" (55mm)
Depth 0.9" (22mm)
Height 4.1" (105mm)
Main Module Dimensions
Width 3.5" (90mm)
Depth 2.3" (58mm)
Height 5.6" (142mm)
Display Panel Cable
Length 9.8 ft
AWG 22
Temp Sensor Cable
Length 16.4 ft
AWG 24
Door Sensor Cable
Length 16.4 ft
AWG 24

4.7

31 online ratings
The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

HUUM CLIFF Mini Series 4.0kW Sauna Heater with Stones and Control Review Summary

4.7

31 online ratings
The summary star rating & review is based on aggregated reviews of this product across the web. It cannot be altered by the merchant and can be verified by emailing support@onereview.app.

What people like

This compact heating unit is highly valued for its slim profile and exceptional space-saving design, making it an ideal choice for smaller cabins. Users frequently praise its modern aesthetic and the way it integrates into tight spaces thanks to remarkably low safety distance requirements. The large stone capacity is noted for producing a soft, high-quality steam that enhances the traditional experience. Additionally, the build quality and the compatibility with advanced mobile control options provide a sophisticated and reliable solution for those looking to maximize their interior layout without compromising on performance.

Pros

  • Space-saving design: The remarkably slim and narrow profile allows this unit to fit into small sauna cabins where space is at a premium.
  • Minimal safety distances: Its unique engineering requires very little clearance from walls, which maximizes usable bench space for bathers.
  • High stone capacity: Despite its small footprint, it holds a significant volume of stones to ensure a long-lasting and soft steam quality.
  • Elegant modern aesthetic: The sleek, minimalist stainless steel look is frequently described by owners as a piece of functional art.

Cons

  • High price point: This model is often cited as being more expensive than traditional box-style heaters with similar power ratings.
  • Tedious stone loading: The narrow internal structure requires users to be extremely patient and precise when placing stones around the heating elements.
  • Delicate heating elements: Reviewers caution that the internal elements can be easily bent or damaged if stones are not packed with extreme care.
  • Fingerprint-prone finish: The polished stainless steel surface tends to show smudges and fingerprints easily, requiring regular wiping to maintain its luster.
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