High Tech Health
Far Infrared Heaters

What is a Triple Antifield Infrared Heater?

 

The best infrared sauna heaters are far infrared, triple antifield heaters.  The triple antifield infrared heater mitigate all 3 kinds of EMF (electromagnetic fields).  The EMF in saunas without EMF mitigation negates some of the most important health benefits of infrared saunas.  Click here to read about the dangers of EMFs.

The best carbon sauna heaters only mitigate 1 kind of EMF (magnetic fields only), have high electric fields, and therefore are single antifield sauna heaters with all of the limitations that come with that. Click here to read about the components of EMFs.

The 3 Kinds of EMF:
 

Electric Fields

Magnetic Fields

RF Waves
("radio frequency" or high frequency waves)

High Tech Health was granted patent US 9,770,386 for this infrared heater technology on September 26, 2017.

No EMF Hot-Spots

High Tech Health infrared sauna heaters are manufactured to very high tolerances.  For this reason, our heaters have very consistent EMF levels and lack the hot-spots found on other heaters.

Beware of sauna companies that do not provide the maximum field levels found on their heaters because these levels tell you how high the hot-spots are on the infrared heater they tested.  These hot-spots are indicative of your true level of exposure.

MAXIMUM EMF Levels Confirmed by Third Party

No other company currently provides a report showing both MAXIMUM electric field and MAXIMUM magnetic field.  In fact, most other infrared saunas have such high electric field levels that they won't mention electric fields at all.

No Zero-Frequency EMF

Our heaters are truly low EMF at every frequency for both electric fields and magnetic fields.  We do not use DC power (zero frequency), sometimes used to make a heater's fields difficult to measure, and so our sauna heaters have no electric or magnetic fields present at 0 Hz (which are undetectable with the typical tools).

Independently Proven

 

Vitatech Electromagnetics, a company specializing in EMF measurement and engineering, has located and measured the maximum electric field level and maximum magnetic field at the surface of the infrared heater we use behind the backrest in our saunas.

The levels below can be found on page 3 of their report.

How to Identify Trustworthy EMF Reports

Vitatech EMF Report
Vitatech EMF Report

Maximum Electric Field @ Surface

 0.089 V/m

Vitatech Electromagnetics Recommends
Long-term Maximum Exposure: 1 V/m

Maximum Magnetic Field @ Surface

 3.49 mG *

Vitatech Electromagnetics Recommends
Long-term Maximum Exposure: 12.57 mG

* Only 0.36 mG at backrest (8 cm)

RF Waves (high frequency waves)

NOT PRESENT / BLOCKED

Our heaters do not produce any RF waves and will even block external RF energy (such as Bluetooth or Wifi).

Compare to Other Sauna Heaters

 
Regular Infrared Sauna Heaters

EMF is inherent to everything that is electrical.  The more power an electric device consumes, the more EMF that will be present.  Infrared saunas by their very nature consume a lot of power (watts).  Your exposure to EMF increases with your proximity to all that power and in a sauna you lean right up against the infrared heater.

Without efforts to mitigate EMF, all infrared sauna heaters have high electric fields and high magnetic fields.

2084
Carbon Heaters
Maximum Electric Field Level (V/m)
80
Carbon Heaters
Maximum Magnetic Field Level (mG)

† The above levels were measured in our lab at the backrest of a typical carbon infrared heater sauna from a top manufacturer.

Single Antifield Sauna Heaters

Despite often being advertised as "low EMF", single antifield sauna heaters only mitigate 1 kind of EMF: typically magnetic fields only.

Typical maximum levels for a single antifield infrared heater:

1741
"Low EMF" Heater
Maximum Electric Field Level (V/m)
22
"Low EMF" Heater
Maximum Magnetic Field Level (mG)

‡ The above levels were measured in our lab at the backrest in front of a 550 watt "low EMF" backrest infrared heater from a top manufacturer.

  1. Notice the electric field levels are much much higher than Vitatech recommends.
  2. Notice the maximum magnetic field level is much higher than such companies ever suggest.  Almost no companies ask Vitatech to locate the maximum levels.  Instead they direct Vitatech to measure only points they know are very low.

There is No Such Thing as a "No EMF" Infrared Heater

 

At best, a "no EMF" infrared heater is probably a single anti-field heater with lowered magnetic fields and high electric fields.  No engineer would ever claim such an infrared heater has "no EMF".

EMF is inherent to everything that is electrical.  The more power an electric device consumes, the more EMF that will be present.  Separate steps must be taken to reduce electric and magnetic fields.  Magnetic field reduction is imperfect and electric field reduction can be imperfect too.

No company has yet to make a backrest infrared heater with a maximum magnetic field level at the heater's surface below the threshold of detection.  It hasn't happened yet and probably won't ever happen.  EVERY infrared heater has measurable magnetic fields somewhere at its surface.

Don't trust any company that suggests they have a "no EMF" infrared heater.

Don't trust any third-party EMF report that does not seek to identify maximum field levels at a heater's surface.  Also, every third-party EMF report should confirm the manufacturer's stated power level.

Proven Effective

Thousands of health practitioners world-wide use and recommend our products.  High Tech Health saunas are used by more health practitioners than any other sauna.  As a result, our products have been written up in more than 40 books written by the most cutting edge health practitioners (no other company comes close).

Ultra Power Efficient

An infrared sauna's power efficiency is determined by how much electricity is used to produce the hot air and infrared inside the cabin.

Electricity → Hot Air + Infrared

The air temperature is the result of the air that comes in contact with the heaters.  The infrared produced by the sauna heaters is absorbed by your body, but very poorly absorbed by the air so has little affect on air temperature.

We use polished aluminum for our reflectors.  That is the best infrared reflector that can be made without using precious metals (such as gold).  No other company, if they have a reflector at all, uses polished aluminum.  Other companies will put aluminum foil on the back of their heaters to reduce the infrared lost, however aluminum foil is not even remotely as effective at reflecting infrared energy (i.e. its emissivity is too high).  Our use of polished aluminum significantly increases our sauna's power efficiency over other saunas, so you will save money in the long run.

We use high-grade stainless steel for our heating elements.  There is no coating on the surface of the heaters, so there is no concern for off-gassing.  The reason our heaters do not appear shiny, like typical stainless steel, is because they are put through a heating process called "black annealing" that makes their emissivity high and enhances their emission of infrared energy.

Our all-metal infrared heater design means our sauna heaters will outlast those in other saunas.  In fact, we have never replaced a heater in the history of the company.  Also due to our all-metal heater design, there isn't the off-gassing that occurs with carbon heaters, or other sauna heaters that are made using printed circuit board technology.

The printed circuit board technology used to make other sauna heaters is made from glass fabric impregnated with epoxy resin.  That epoxy resin is made from epichlorohydrin and bisphenol A, or epichlorohydrin and tetrabromo bisphenol A (a fire retardant).

The heating element inside High Tech Health infrared heaters is the surface that radiates infrared energy.  Our reflector-heating element-protector design keeps the warmed air that contacts the heaters inside the cabin, and the reflector keeps the infrared inside the cabin.  This makes for the most efficient infrared heater in the industry.

In contrast, most other saunas use large panel heaters (such as carbon heaters) that cover most of the inside of a sauna.  A panel heater's entire surface gets hot and radiates infrared from all sides.  The half of the surface that is inside the wall heats the air inside the wall as well as the wall itself.  All that energy is completely wasted.  The infrared radiating from the heater into the wall is also completely wasted.

For these reasons, panel heaters are incredibly wasteful of power.  This is why the inside of such saunas are covered in heaters, and why some of those two-person size saunas draw so much power that they even need 20 amp outlets.

Safer & More Reliable

UL Recognized Component
UL Recognized Component

Our infrared heaters are safer.  They are an Underwriter's Laboratory (U.L.) recognized component.  That means they meet UL's design requirements and that UL has evaluated them and their materials for safety.  Few companies take this extra step.  In fact, no panel heater has any component-level endorsement of safety.

Our heaters have an extremely long design life.  Our history in the sauna business is also one of the longest, going back to 1997.  In that time, we have yet to replace any heater that has reached the end of its life.  We know of no other sauna company that can say this.

No Risk of Harm from Near Infrared Energy

The infrared (IR) spectrum is divided into 3 ranges:

  • IR-A, also called near infrared, or NIR  (760nm – 1400nm)
  • IR-B, also called mid infrared, or MIR  (1400nm – 3000nm)
  • IR-C, also called far infrared, or FIR  (3000nm – 1mm)

"Full Spectrum" saunas produce energy in all 3 ranges.  High Tech Health saunas only produce IR-C energy.

Plenty of research has proven that near infrared (and even mid-infrared) is harmful (see our fully referenced write-up regarding the harm from near infrared).  Repetitive exposure to near infrared causes:

  • Accelerated aging of the skin
  • Cumulative harm
  • Cataracts
  • Oxidative stress
  • Increased risk for skin cancer up to days after exposure
  • Decreased natural protection from DNA damage

With a High Tech Health far infrared sauna you are assured of getting a sauna that produces all of the health benefits with no near infrared harm.

These are just some of the reasons why more health practitioners trust High Tech Health saunas than any other.

 

Click here to read more about the best far infrared sauna in the industry!


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