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Far Infrared Explained - Discover The Science Of Far Infrared (FIR)

Written by

Warmset Australia

13 November 2025

 • 

3 min read

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Have you ever felt the sun’s warmth on a cool day? That soothing heat comes from the sun’s infrared waves, and while the air temperature doesn’t change, the warmth perceived in your body does.

What is Far Infrared?

Within the spectrum, Far Infrared (FIR) are the safest and most beneficial form of infrared, transferring energy up to 4.5 cm beneath the skin purely in the form of deeply penetrating heat.

Safe and effective, FIR technologies in various forms have been very popular in Europe for decades across a wide range of sectors, including the medical, agricultural, biological, fashion, logistics sectors and many others. Consider this:

  • Our skin thermoreceptors are naturally designed to absorb 80% of FIR heating, creating a comforting “inside-out” feeling of warmth.
  • Because it warms the body itself rather than just the air, FIR is recognized as one of the most efficient and comfortable heating methods.
  • FIR improves relaxation, circulation, and recovery, and is widely used in wellness saunas, sports therapy, incubators, certain medical applications and more.

We believe that FIR heating is the human body’s most natural heat source!

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Revolutionise Your Comfort With Far Infrared Heating

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  • Wholesome Heating: FIR heating activates your circulation and delivers deep warmth, even when the system oeprates at lower temperatures.
  • Far vs Medium vs  Near Infrared: Of the three infrared frequencies (near, medium, and far), FIR is invisible but offers the deepest, most beneficial penetration.
  • 100% Safe: FIR should not be confused with harmful UV, or X-ray radiation. It also should  not be confused with EMF radiation, which is released by electrical objects when unshielded (Warmset is ZERO EMF certified)
  • Gentle Radiant Heat: Thanks to our flat, low-temperature design (generally 22–26°C and never exceeding 35°C), Warmset mats deliver consistent, soothing warmth.
  • Clean and Zero EMF: Certified zero EMF, our FIR heating mats deliver heating clean of magnetic and electrical EMF and Dirty Electricty.
  • High Thermal Performance: Warmset boasts an independently assessed  TCOP (thermal coefficient of performance) of 2.5,  meaning 2.5X perceived warmth against every unit of energy spent.

Helping You Achieve the Highest Standards

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Thanks to Warmset’s heating performance,  your project may qualify to  achieve higher standards of energy efficiency and thermal comfort under various national and international certification programs, such as WELL Building Standard® or Green Star certification.

If you’re a homeowner, architect, or builder aiming to maximize sustainability and performance in your projects and achieve the next level of recognition in sustainable and efficient building construction, our innovative far-infrared underfloor heating system may be the perfect fit.