Insight, craft, and care
A reading library on Finnish sauna culture, the woods we use, the heaters we fit, and how to look after a sauna so it lasts a lifetime.

What is a Finnish Sauna?
Hotel spas, gym wellness suites, infrared cabinets sold as "Nordic." Most heated rooms aren't Finnish. Here's what makes a sauna genuinely Finnish.
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Choosing Sauna Wood: Spruce, Pine or Aspen
Walk into a Finnish sauna and the first thing your senses register is the wood. Here's how to choose between spruce, pine and aspen for walls, ceiling, and benches.
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Electric or Wood-Fired Heater?
Almost every outdoor sauna conversation arrives at the same fork in the road. Electric or wood-fired? An honest, side-by-side comparison.
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The Complete Guide to Sauna Stones
The stones are the heart of your sauna. Choose the wrong stone and you get a sharp, wet blast. Choose the right one and you get löyly worthy of the name.
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Outdoor Sauna Maintenance Guide
A well-built sauna should easily outlast the person who installed it. Here is a no-nonsense seasonal care routine to keep yours beautiful for decades.
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iHKA Owner's Care Guide
Your iHKA sauna is built to last for generations. This is the complete owner's manual: from after-bath habits to annual deep maintenance and warranty cover.
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