HUUM CLIFF 11kW Electric Sauna Heater – Slim Floor Model with 165 lb. Stone Capacity
The HUUM CLIFF 11kW Electric Sauna Heater delivers modern, space-saving performance with sleek Nordic design. Perfect for medium-to-large sauna rooms from 354 to 566 cu. ft., this floor-mounted heater offers rapid heat-up times, consistent soft steam, and a minimalist vertical form. Built in Estonia with stainless steel construction and industrial-grade components, the CLIFF 11kW blends elegance with long-lasting performance.
Key Features
| Power Output |
11kW electric sauna heater — floor-mounted design |
| Slim Profile |
Ultra-compact 10.6” width — ideal for space-conscious sauna layouts |
| Safety Distances |
Small clearance requirements allow flexible installation |
| Fast Heat-Up |
Internal air duct system heats up to 25% faster than standard heaters |
| Stone Capacity |
165 lbs. of sauna stones (5 boxes required, sold separately) |
| Performance |
Removable ribs allow precise stone stacking; direct stone-to-element contact enhances heat output and efficiency |
| Construction |
Stainless steel body with commercial-grade heating elements |
| Controls |
Compatible with HUUM UKU controllers & UKU extension box (sold separately) |
| Craftsmanship |
Designed, engineered, and made in Estonia |
| Warranty |
5-Year Limited Warranty (excluding heating elements) |
Recommended Sauna Room Size
| Room Volume |
354–566 cu. ft. |
Stone Capacity & Compatibility
| Total Capacity |
165 lbs. (5 boxes required, sold separately) |
| Recommended Stones |
Rounded Olivine Diabase sauna stones for optimal airflow and softer steam |
What’s Included
| CLIFF 11kW Sauna Heater |
Floor-mounted heater, 2 prop blocks for rib slat removal, installation & operation manual, 5-year limited warranty (excluding elements) |
Technical Specifications
| Model |
CLIFF 11 |
| Power Output |
11kW |
| Mounting Type |
Floor-mounted |
| Room Size |
354–566 cu. ft. |
| Stone Capacity |
165 lbs. (stones sold separately) |
| Dimensions |
10.6" W x 10.6" D x 38.4" H (270 x 270 x 975 mm) |
| Construction |
Stainless steel |
| Compatible Controls |
HUUM UKU Controller & Extension Box (sold separately) |
| Country of Origin |
Estonia |
| Warranty |
5-Year Limited (excluding elements) |
Why Choose the HUUM CLIFF 11kW Sauna Heater?
The HUUM CLIFF 11kW is designed for sauna enthusiasts who want powerful output in a slim, modern heater. With rapid heating, a 165 lb. stone bed, and Estonian craftsmanship, it produces soft, long-lasting steam in medium-to-large sauna spaces. Its compatibility with HUUM’s UKU smart controls ensures convenience and efficiency, making it a smart investment for residential and light commercial use.
Buy with Confidence at MyLuxuryHomeSpa.com
We are an authorized HUUM dealer offering full product warranties, expert guidance, and fast shipping across the U.S. Have questions about heater sizing, installation, or control systems? Our sauna specialists are here to help.
Order your HUUM CLIFF 11kW Sauna Heater today and bring modern performance and premium design into your wellness space.
Pro Tip: Use HUUM’s rounded Olivine Diabase stones and stack them loosely to maximize airflow — ensuring faster heating, softer steam, and longer heating element life.
