HUUM CLIFF Mini 4kW Sauna Heater Kit - My Luxury Home Spa
HUUM CLIFF Mini 4kW Sauna Heater Kit - My Luxury Home Spa
HUUM CLIFF Mini 4kW Sauna Heater Kit - My Luxury Home Spa
HUUM CLIFF Mini 4kW Sauna Heater Kit - My Luxury Home Spa

HUUM CLIFF Mini 4kW Sauna Heater Kit

Regular price$2,739.00
/
Shipping calculated at checkout.

  • Free USA shipping
  • Full Warranty
  • Secure Checkout
  • Authorized Dealer
Best Price Guarantee If you find a lower price from another authorized dealer, we’ll match it.

The HUUM CLIFF Mini 4 kW Package transforms small saunas into elegant retreats. Designed in Estonia, this slim, wall-mounted heater delivers rapid heat-up, gentle löyly, and precise digital control via the included UKU controller. With a 132 lb stone capacity and premium rounded Olivine Diabase stones included, it provides long-lasting steam in compact spaces. Optional Wi-Fi adds the convenience of remote preheating.

Key Features

  • Space-Saving Design: Slim vertical profile for compact installations; wall-mounted with prop blocks.
  • Rapid Heating: Integrated air duct helps warm the sauna up to ~25% faster.
  • Large Stone Capacity: 132 lbs of 1″–2″ rounded Olivine Diabase stones (included) for soft, even steam.
  • Soft Steam: Direct stone-to-element contact maintains gentle, long-lasting heat.
  • Precision Stacking: Removable ribs support optimal airflow and stone placement.
  • Durable Build: Stainless steel housing with industrial-grade elements.
  • Smart Control: UKU Black digital controller with delay start, timer, safety lock; optional Wi-Fi app.
  • Safety: Overheat protection, child lock, and SGS-certified elements.
  • Warranty: 5-Year Limited (excludes heating elements).

UKU Control System (Black)

  • Interface: Sleek controller with multilingual display (EN, DE, RU, IT, FI, EE, PL, FR).
  • Functions: Temperature 104°F–230°F, scheduling, up to 48-hour delay, lighting & ventilation control.
  • Wi-Fi (Optional): Mobile app for remote start, status, and schedules.
  • Safety: Overheat protection and child safety lock.
  • Dimensions: Panel ~2.2″ × 0.9″ × 4.1″; Main module ~3.5″ × 2.3″ × 5.6″.

What’s Included

  • CLIFF Mini 4 kW Heater — wall-mounted unit, 2 prop blocks, installation hardware & manual
  • UKU Control System (Black) — control panel, main module, temperature sensor, door sensor, cables, manuals
  • Sauna Stones: 132 lbs of rounded Olivine Diabase (1″–2″)
  • 5-Year Limited Warranty (excluding elements)

Technical Specifications

Model CLIFF Mini 4STU
Power Output 4 kW
Sauna Room Size 106–177 ft³
Stone Capacity 132 lbs (included)
Construction Stainless steel
Dimensions (W × D × H) 10.6″ × 6.3″ × 38.4″ (270 × 160 × 975 mm)
Mounting Wall-mounted
Controls UKU Digital Controller (Black; Wi-Fi optional)
Warranty 5-Year Limited (excluding elements)
Origin Estonia

Installation & Use

  • Mount securely on a non-combustible wall surface and maintain all clearances per the manual.
  • Have a licensed electrician perform wiring to local code.
  • Stack stones loosely (1″–2″) to maintain airflow; avoid over-packing.
  • Use the UKU delay-start or schedules for convenient preheating; enable safety lock as needed.
  • Periodically re-stack stones and inspect for cracking to preserve airflow and element life.

Why Choose the HUUM CLIFF Mini 4 kW Package?

  • Purpose-built for compact saunas with fast heat-up and gentle steam.
  • Premium build and Scandinavian aesthetic elevate any space.
  • Smart UKU control (Wi-Fi optional) adds modern convenience.
  • Complete kit with stones and controller included.

Shop with Confidence at MyLuxuryHomeSpa.com

  • Authorized HUUM dealer with full warranty support
  • Expert guidance on sizing, controls, and installation
  • Fast, secure nationwide shipping
Pro Tip: Stack stones loosely (larger pieces centered, smaller toward the edges) to keep airflow paths open. Pair the UKU controller with Wi-Fi for remote preheating so your sauna is ready the moment you are.

Technical Specifications 

Installation and Operation Manual 

Warranty

Options

Why Buy From Us

Authorized Dealer
Direct relationships with every brand we carry.
Full Manufacturer Warranty
Registered coverage on every purchase.
Free Shipping + White-Glove Options
Delivered safely; setup options available at checkout.
Veteran-Owned & U.S.-Based Support
Personalized help before, during, and after your order.

FAQs

Shipping & Delivery

Free curbside shipping on all orders. White-glove delivery/setup available at checkout in most areas. We’ll confirm your preferred date after purchase.

Warranty

Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.

Returns

New, uninstalled items can be returned within the brand’s policy window. We’ll help coordinate pickup and any restocking requirements.

Installation & Power

Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.

5.0 1+ online reviews
Diagram of how the ordering process of MyLuxuryHomeSpa.com works

From purchase to pure relaxation, here’s how it works. Simply browse our curated collection, check out securely, and choose your delivery option. We’ll handle the rest, from order processing to optional white glove setup. All that’s left is for you to relax, unwind, and enjoy your personal oasis.

Image of trust buttons for myluxuryhomespa

At My Luxury Home Spa, we deliver more than just products - we deliver peace of mind. From trusted U.S.-based brands to expert customer support, every detail is curated for your comfort. Enjoy stress-free setup with white glove delivery, shop risk-free with our 30-day guarantee, and get real help from real humans.


Recently viewed