Mars SaunaShanghai Mars Industrial

37 models

About low-EMF far infrared saunas

Technician checking a carbon far infrared heater with an EMF meter

Low-EMF saunas use carbon fiber heating panels wired to reduce the electromagnetic field measured at the seating position. Carbon panels have a large surface area and run at a relatively low surface temperature, which gives a gentle, even heat across the back and legs. Models in this line list an 18–65 °C (64–149 °F) operating range.

These are the volume models of most infrared ranges: simple to assemble from pre-built panels, light enough to ship economically and available in 110–120V or 220–240V. Several include transom windows, interior and exterior control panels and reading lights.

What does low EMF sauna mean?

Every electric heater produces some electric and magnetic field. A low EMF infrared sauna uses heater wiring and layout designed to keep the field low where people sit. There is no single legal threshold for "low", "ultra low" or "zero EMF", so the useful question is what reading was measured, with which meter, and at what distance. Ask us for measurement data on the exact heater build you order, and read our guide to what low-EMF numbers mean.

What to specifyWhy it matters
Unit: milligauss (mG) or microtesla (µT)1 µT equals 10 mG, so figures must use the same unit
Measuring distanceReadings fall quickly with distance from the heater
PositionSeat, backrest and calf heater readings differ
Heater buildReadings apply to the panel version tested, not the whole line

Low EMF vs far infrared sauna

A low-EMF sauna is still a far infrared sauna: the heat comes from the same carbon panels. The difference is how the heaters are built and wired, and the measurement data behind the claim. Standard far infrared saunas also include ceramic tube heaters and corner layouts. If you plan to use phrases such as "Faraday cage" or "near zero EMF" in marketing, base them on measured readings rather than labels.

Choosing a size

The line goes from compact single-seat cabins to 6-person rooms aimed at gyms, hotels and apartment amenities. Larger cabins draw more current, so check the listed wattage in the power calculator. Many low-EMF cabins also appear in the 120V plug-in saunas collection. Some cabins are listed for indoor and outdoor use under a covered area.

FAQ

What is a low EMF sauna?

A low EMF sauna is an infrared sauna whose carbon fiber heaters are built and wired to reduce the electromagnetic field measured at the seating position. It heats the same way as other far infrared saunas. Because there is no single threshold for low EMF, ask for readings on the exact heater build.

How is low EMF measured?

EMF is usually measured in milligauss (mG) or microtesla (µT) with a meter at a set distance from the heater, at the seating position. Ask for readings taken on the heater build you are ordering, and specify the measuring distance in your purchase specification.

Is there a zero EMF infrared sauna?

Any electric heater produces some field, so zero is not a realistic description. Terms such as ultra low, near zero or zero EMF depend on the meter, unit and distance used. Specify how readings should be taken and ask for measurement data on the build you order rather than relying on a label.

Are low-EMF models suitable for outdoor use?

Some cabins in this line are listed for indoor and outdoor use under a covered area. For exposed outdoor installation choose a model from the outdoor saunas line or ask for a roof and weatherproofing option, and protect the electrical connection from rain.

What is the largest low-EMF sauna you supply?

The line goes up to 6-person cabins aimed at gyms, hotels and apartment amenities. Product pages list dimensions, heater count and power for each size. Larger cabins usually need 220–240V and a dedicated circuit; use the power calculator and confirm with an electrician.

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