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Low EMF Infrared Saunas: How to Check the Claims
By Marcus Ellery. Prices checked .
Low EMF is a marketing term, not a certified standard, and brands define it differently. To compare, ask each seller for a test report that shows the reading in milligauss, the distance it was measured at, and who did the testing.
What EMF means here
Anything electrical gives off electric and magnetic fields. In a sauna the heaters and wiring are the source. Sellers usually quote the magnetic field in milligauss (mG). Some also quote ELF, the electric field.
Why the label alone tells you little
- There is no single agreed threshold for "low" or "ultra low".
- Readings fall quickly with distance, so a number at the heater surface and a number at the seat are very different.
- Some numbers are measured by the brand and some by an outside lab.
Five questions to ask a seller
- What is the magnetic field reading in mG?
- Where was it measured: at the heater surface or where a person sits?
- Was it measured with all heaters on at full power?
- Who measured it, and can I see the report?
- Is there a reading for the electric field too?
What brands publish
| Brand | What the brand states | |
|---|---|---|
| Sun Home Saunas | Lists under 0.5 mG for the Equinox 2 and points to published lab testing | Visit website |
| Clearlight | Markets low EMF and low ELF across its Premier and Sanctuary lines | Visit website |
| Sunlighten | Ask the seller for current readings by model | Visit website |
These are the brands' own statements. We have not measured any sauna ourselves.
Keep it in proportion
EMF is one line on the checklist next to price, heater coverage, wood, and warranty. If it matters to you, buy from a brand that shares a full report, and compare numbers taken the same way. For health questions, ask your doctor.
Questions people ask
What EMF level is considered low for a sauna?
There is no single standard. Brands that publish numbers often quote low single digits of milligauss or less at the seating position. Compare readings taken at the same distance.
Are low EMF saunas more expensive?
Not necessarily. The claim appears on cabins across the whole price range we track, from $4,799 to $10,950.