Installation costs for a small sauna cost between $350 to $700, and the cost of a DIY unit are between $1,400 to $4,500 depending on the size. To build a steam room, the materials and labor cost ...

With the majority of steam sauna models on the market, electricity is used to boil water and release steam. The average cost to install a steam sauna is between $4,000 and $6,000 . Pros ...