SweatDecks Blog

Welcome to the SweatDecks wellness journal. Our team of credentialed experts -- including sports medicine physicians, exercise scientists, and master builders -- covers everything from cold plunge protocols and sauna health benefits to installation guides and product comparisons. Whether you're researching your first home sauna or optimizing a contrast therapy routine, you'll find science-backed answers here.

Interior of a four-person infrared sauna with warm amber lighting and wooden benches
  • by SweatDecks

SunRay Sequoia 4-person cedar infrared sauna HL400K: full review

The SunRay Sequoia HL400K fits up to 4 people, uses 8 carbon infrared heaters, and draws about 1750W. Full specs, real pros/cons, and who should buy it.

Read: SunRay Sequoia 4-person cedar infrared sauna HL400K: full review