Turn your sauna into a paradise of heat, steam, and natural beauty with the HUUM CLIFF 9 kW Electric Sauna Heater. With a 165 lb. stone capacity, this heater welcomes water-pouring to deliver traditional Finnish sauna sessions through heat and steam. The stones are held by a minimalist steel cage modeled after the sheer rock cliffs of the northern coast.
This cage is built from recycled cutoffs of the HUUM Steel Heater, eliminating material waste to protect the planet that inspired the heater’s stunning design. This heater creates temperatures up to 230℉ in saunas from 283 - 460 ft3 (adj.) and uses small safety distances to safely mount on the floor in snug layouts.
We also offer a complete HUUM CLIFF 9 kW Sauna Heater Package for ease and convenience.
| Model | CLIFF 9 |
| Heater Type | Electric |
| Sauna Size Range | 283 - 460 ft3 (adj.) |
| Stone Capacity | 165.4 lbs |
| Maximum Temperature | 230℉ |
| Kilowatt Rating | 9 KW |
| Heater Weight | 35.2 lbs |
| Shipping Weight w/ Stones | 200 lbs |
| Electrical Requirements | 240V/1PH |
| Heater Amperage | 37.5 Amps |
| Circuit Breaker Amperage | 50 Amps |
| Wire Size | 8 AWG |
| Heater Dimensions | 38.4”H x 10.6”W x 10.6”D |
| Safety Distances* | Installation & Operation Manual |
*Reference Installation & Operation Manual for full specs/wiring diagrams/safety distances
The HUUM CLIFF 9 kW 240V Electric Sauna Heater is recommended for saunas ranging from 283 - 460 ft3 (adj.).
Need assistance? Click the green chat button in the bottom right corner of your screen or call one of our Sauna Experts for help sizing your heater.
We will issue a 100% refund on orders canceled within 4 business days or before the order has shipped - whichever deadline arrives first. If an order is canceled after, there will be a 3% cancellation fee. Please reach out to our support team if you need to cancel your order after it has shipped.
Our heaters include a 30-day return policy.
You can return this product if:
If these requirements are met, your return will be accepted. However, you will be responsible for the return shipping cost and a 20% restocking fee. After we receive the return and it has been inspected at our warehouse, we will refund the card you used for your purchase in accordance with the policy listed above.
The HUUM CLIFF brings exceptional heat and steam to create the optimal environment for rest and relaxation in your sauna. The minimalist design empowers the stones with top-tier airflow, bringing gentler steam for a pleasant sauna experience.
We visited the HUUM factory and made some helpful content for you. Watch our unboxing video and learn more about the Cliff.
HUUM CLIFF will require 240V/1PH electrical line. In case you want to wire with 208V, the power output will go down by 25%. You will need a 50 Amp circuit breaker and your electrician needs to use wire size 8 AWG. You can see the wiring diagram for the system here.
This HUUM CLIFF sauna heater is suitable for home saunas up to 460 adjusted cubic feet. Use our calculator or contact if you want to verify the size of your sauna.
We'll check your order details to ensure everything's in place for your heater setup.
You'll receive an email with an estimated lead time and any manuals you'll need.
Our support team is available for any technical questions or guidance post-delivery.
Need a bit more help? Read our quote form tutorial, or click the chat icon in the bottom right corner for live assistance.
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Not sure about the sizing of the heater? Use our sauna heater calculator to find out.
Our sauna experts are here to help.
If you have any questions about HUUM, call our toll-free number (725) 777-5484 or talk to us on the chat found on the bottom right corner.
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Book a sauna consultation with one of our US or Finnish based sauna experts.
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