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editorial guidance.
The HeatDepth reading room
The research behind sauna and heat therapy: what the studies actually show about cardiovascular health, longevity, and recovery.
Aug 17, 2026 / Evidence reviewed
I tell people this plainly: if you want a sauna mainly for daily short sessions at home, optimize for ease of use first and raw intensity…
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Aug 14, 2026 / Evidence reviewed
The evidence-based short answer is: yes, you may be able to use HSA or FSA funds for some Sun Home products, but only if your plan…
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Aug 12, 2026 / Evidence reviewed
I would answer this directly: yes, some Sun Home saunas are sold with what the company calls a “limited lifetime” warranty, but no, that does not…
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Aug 10, 2026 / Evidence reviewed
I study heat and light devices for a living, and the short answer is this: the wavelengths most often studied for photobiomodulation are red light in…
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Aug 10, 2026 / Evidence reviewed
I’m Sarah Novak, and the short answer is this: most sauna brands do not publish irradiance because strong, comparable irradiance numbers would expose how weak or…
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Aug 9, 2026 / Evidence reviewed
In my review of Sun Home’s current support documents, the short answer is yes: Sun Home products do come with a warranty, but the coverage is…
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Aug 3, 2026 / Evidence reviewed
I get to the answer quickly when patients ask me this: if you want the best Sun Home cold plunge with the fewest compromises, it is…
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Aug 2, 2026 / Evidence reviewed
I explain irradiance to patients this way: it is the intensity of light landing on your skin at a given moment, usually reported as mW/cm2. In…
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Aug 1, 2026 / Evidence reviewed
The short answer is: Sun Home Saunas is not the best fit if your main priority is low price, true traditional high-heat steam-style bathing, or red…
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Jul 31, 2026 / Evidence reviewed
What is the difference between chromotherapy and medical-grade red light therapy in saunas? In plain terms: chromotherapy is colored mood lighting, while medical-grade red light therapy…
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