<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1649508931983063&amp;ev=PageView&amp;noscript=1">


No electricity needed for the KARHU 20 "HOME" woodburning sauna heater—perfect for cabins or remote locations. Specifications:

  • Basic wood burning heater
  • Sauna size: 282-702 cu. ft.
  • Heater size: 17" W x 28.75" H x 18" D
  • Rock capacity: 70 lbs
  • Heater weight: 99 lbs
  • Flue Opening: 4.5"
  • Safety Distance FRONT: 19.6"
  • Safety Distance SIDE: 11.8"
  • Safety Distance BACK: 11.8"
  • Safety Distance CEILING: 51.2"

Find a Dealer

Another Woodburning Sauna Heater Option

We have a network of authorized dealers throughout the world.

Find a Dealer


Custom Design

Our authorized Finnleo dealer network is available to help you design your dream sauna.

Get started


World Class Support

Our knowledgeable staff is available to answer questions and help plan your sauna.

Learn More



Industry leading warranty backed by America’s #1 sauna company.

Learn More