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The HeatDepth reading room
Infrared and traditional sauna reviews: temperature accuracy, EMF levels, build quality, and value from Dr. Sarah Novak.
Oct 26, 2026 / Equipment meets context
I approach sauna rocks cracking as a maintenance question first: repeated heating and cooling gradually damage stone, and water on a hot surface adds thermal stress.…
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Oct 14, 2026 / Equipment meets context
Yes, a sauna needs ventilation. I would treat a planned supply of fresh air, a working exhaust path, and a way to dry the room afterward…
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Oct 6, 2026 / Equipment meets context
I would plan for an annual sauna-stone check and budget for replacement around that time if you use your sauna regularly. Replace cracked or crumbling stones…
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Oct 4, 2026 / Equipment meets context
I would not prescribe a portable sauna for fat loss or a “detox.” It can make the scale drop temporarily by increasing water loss through sweating,…
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Sep 18, 2026 / Equipment meets context
I would track a sauna’s electricity use with a meter that records kilowatt-hours (kWh), starting before preheating and finishing after the normal shutdown cycle. For a…
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Sep 17, 2026 / Equipment meets context
Yes. I would start by shortening unnecessary preheating, turning the sauna off promptly, and checking your electricity rate before buying anything labeled “energy saving.” My clinical…
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Sep 9, 2026 / Equipment meets context
I would not extend a sauna session simply because the heater is infrared. Does infrared mean you should stay in longer? No. Lower air temperature can…
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Sep 8, 2026 / Equipment meets context
I approach sauna tent maintenance as a question of moisture control, clean contact surfaces, and safe equipment—not as another wellness ritual. Sauna tents need sweat and…
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Sep 6, 2026 / Equipment meets context
I get asked this in clinic because 30 minutes sounds both ordinary and extreme, depending on the sauna. My short answer: 30 minutes is too long…
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Sep 4, 2026 / Equipment meets context
Yes, usually you can make your sauna use less electricity, but the savings come from boring physics rather than clever add-ons. In practice, the biggest levers…
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