Full Spectrum vs Far Infrared Sauna: A Comprehensive Comparison

The world of saunas has evolved tremendously over the years, with a wide range of options now available to suit the unique preferences of health and relaxation enthusiasts. Among these options, full spectrum saunas and far infrared saunas have gained considerable popularity. While both types of saunas offer a myriad of benefits, selecting the right one depends on individual needs and expectations.

A full spectrum sauna combines the use of near, mid, and far-infrared wavelengths to provide a well-rounded experience, addressing various health aspects through light therapy. On the other hand, far infrared saunas solely rely on far-infrared wavelengths, which are famous for their deeply penetrating heat, promoting detoxification and relaxation. It is essential to understand the science behind these sauna technologies and compare their features, pros, and cons to make an informed choice.

Key Takeaways

  • Full spectrum saunas utilize near, mid, and far-infrared wavelengths, offering diverse benefits.
  • Far infrared saunas provide penetrating heat using only far-infrared wavelengths for detoxification and relaxation.
  • Choosing between the two types of saunas depends on one’s individual needs and preferences.

What is Full Spectrum Sauna

A Full Spectrum Sauna utilizes a combination of three infrared wavelengths, specifically near, mid, and far infrared, to deliver a range of health benefits. The term “full spectrum” differentiates these saunas from other infrared saunas like far infrared saunas, which only use far-infrared wavelengths. The inclusion of all three wavelengths offers a more comprehensive wellness experience as each wavelength penetrates the body differently, providing various benefits.

Near infrared wavelengths are the shortest, and their primary effect is typically felt on the skin’s surface. They may improve cell health, wound healing, and help the body generate more collagen to maintain skin elasticity source. In contrast, mid-infrared wavelengths penetrate tissues more deeply, potentially boosting circulation, reducing muscle and joint pain, and supporting weight loss efforts.

Far infrared wavelengths are even longer and can penetrate the body more deeply than the other types. These wavelengths have been credited with detoxification benefits and better relaxation by promoting sweating, which helps eliminate toxins source. It is important to note that while each wavelength offers specific advantages, when present together in a full spectrum setting, the synergistic effect is thought to result in a more efficient and satisfying wellness experience source.

Full Spectrum Saunas are available in various designs and options, including those from manufacturers like JNH Lifestyles who offer their Tosi™ Collection and ProSeries 200.

In summary, Full Spectrum Saunas provide a versatile approach to infrared therapy by combining near, mid, and far infrared wavelengths, potentially targeting a wider array of wellness goals.

What is Far Infrared Sauna

A far infrared sauna is a type of sauna that uses far infrared light waves to generate heat, as opposed to traditional saunas that rely on heating the air to warm the body. Far infrared light waves are on the far end of the infrared spectrum, far from potentially dangerous UV light source. Far infrared saunas heat the body directly, bypassing the need to warm the surrounding air source.

The technology behind far infrared saunas allows for a more efficient and comfortable experience compared to traditional saunas. It requires less energy, heats up faster, and operates at lower temperatures. This makes it more accessible for people who may be sensitive to high heat or humidity source.

Some potential health benefits associated with far infrared saunas include detoxification, improved cardiovascular health, and reduced muscle and joint pain. However, it’s essential to consult a healthcare professional before using infrared-sauna as part of a wellness routine.

A far infrared sauna should not be confused with a full spectrum infrared sauna. Full spectrum saunas combine near, mid, and far-infrared wavelengths to offer a comprehensive range of health benefits source. While both types of saunas provide various advantages, the choice between them should be based on individual needs and preferences.

The Science Behind Sauna Technology

Infrared Energy

Infrared energy is a form of electromagnetic radiation that has a wavelength longer than visible light but shorter than microwaves. It is responsible for providing the heat our bodies feel when in contact with a heat source, such as an infrared sauna 1. Infrared saunas work by directly warming your body, without warming the air around you 2. This can offer a more comfortable experience compared to traditional saunas that rely on heating the surrounding air.

In general, infrared energy can be divided into three categories based on their wavelengths:

  • Near-infrared
  • Mid-infrared
  • Far-infrared

Far-infrared energy has the longest wavelength of the three and is the primary source of heat in far-infrared saunas 3. This type of energy is effective at penetrating deeper into the body, providing a more noticeable warming sensation and potentially offering therapeutic benefits 4.

Full Spectrum Energy

Full spectrum saunas, as the name suggests, utilize all infrared wavelengths, which includes near, mid, and far-infrared energy 5. By combining these different energy types, full spectrum saunas aim to provide a more comprehensive range of health benefits.

Near-infrared energy is known for its shorter wavelength and ability to penetrate the skin more superficially 6. This can offer specific benefits such as improved skin health and faster muscle recovery. However, to receive these benefits, close proximity to the infrared source is often required, typically within 2 to 3 inches 7.

Mid-infrared energy has intermediate wavelengths and can provide benefits such as improved blood circulation and reduced inflammation.

In comparison to far-infrared saunas, full spectrum saunas can potentially offer a more diverse range of health benefits due to their utilization of all infrared wavelengths. However, it is important to keep in mind that individual needs and preferences may differ, and it is crucial to choose the sauna type most suitable for one’s personal requirements.

Comparison of Full Spectrum and Far Infrared Sauna

Heat Distribution

Full Spectrum Saunas utilize a combination of near, mid, and far-infrared wavelengths, while Far Infrared Saunas employ only far-infrared wavelengths. The key difference in heat distribution is that Full Spectrum Saunas target a wider range of wavelengths for a more comprehensive experience. In contrast, Far Infrared Saunas focus on providing a deeper and more intense heat penetration due to using only far-infrared wavelengths.

Health Benefits

Both Full Spectrum and Far Infrared Saunas offer a range of health benefits. Full Spectrum Saunas, by utilizing the three types of infrared wavelengths, could provide benefits across a more comprehensive spectrum. The near-infrared can aid in skin rejuvenation and wound healing, mid-infrared potentially offers assistance in pain relief and improved circulation, and far-infrared may help in weight loss and detoxification.

On the other hand, Far Infrared Saunas focus on far-infrared wavelengths, which are known for their deep heat penetration capabilities. This can lead to improved detoxification, relaxation, and potential weight loss. It is worth noting that individual health benefits will vary depending on a person’s specific needs and requirements.


When considering the cost of Full Spectrum and Far Infrared Saunas, it is important to compare their price points and long-term value. On average, Full Spectrum Saunas tend to be more expensive than Far Infrared Saunas due to their additional infrared spectrum coverage. However, the investment in a Full Spectrum Sauna may be well-worth the potential for broader health benefits and a more comprehensive sauna experience. In contrast, if someone is specifically seeking the deep heat penetration offered by far-infrared wavelengths, a Far Infrared Sauna may be a more cost-effective option to fulfill those particular needs.

Pros and Cons

Advantages of Full Spectrum

Full spectrum infrared saunas offer three types of infrared wavelengths: near, mid, and far infrared. This combination provides multiple health benefits.

  • Near infrared is effective in promoting cell and tissue growth, and is sometimes used for skin health, wound healing, and pain relief.
  • Mid infrared penetrates deeper into the body and is known for improving circulation, reducing inflammation, and aiding in muscle recovery.
  • Far infrared is most often associated with detoxification, relaxation, and weight loss, as it reaches the deepest tissues, causing them to release toxins and stored fat through sweating1.

Disadvantages of Full Spectrum

One of the main disadvantages of full spectrum saunas is their potential to emit unnecessary electromagnetic frequencies (EMFs). EMFs can cause cellular stress2. When purchasing a full spectrum sauna, it’s important to choose a model with low EMF output. Additionally, full spectrum saunas tend to be more expensive than far infrared models, which may be a drawback for budget-conscious consumers.

Advantages of Far Infrared

Far infrared saunas use a lower temperature than traditional saunas, making them more comfortable for users and easier to tolerate for longer periods of time. These saunas are gentler on the respiratory system and suitable for people with respiratory issues. Far infrared saunas can provide many similar health benefits as full spectrum saunas, including detoxification, stress reduction, pain relief, and improved skin health3. They often have a lower price point than full spectrum saunas, making them a more affordable option.

Disadvantages of Far Infrared

The main disadvantage of far infrared saunas is that they emit only one type of infrared wavelength (far infrared) and may not provide the same range of health benefits as full spectrum saunas. Some users might miss out on benefits associated with near and mid infrared wavelengths. When purchasing a far infrared sauna, it’s essential to ensure its quality and EMF emissions are within acceptable levels to avoid any potential issues.

How to Choose the Right Sauna

When selecting the right sauna for your needs, there are several factors to consider. This section will help guide you through some key considerations including the size and space, budget, as well as your personal health goals.

Size and Space

Finding the appropriate size for your infrared sauna largely depends on the available space in your home or where you plan to install it. Consider not only the footprint of the sauna but also the required space for installation, wiring, and ventilation. Moreover, keep in mind the number of users you expect to accommodate in the sauna. Infrared saunas come in various sizes, ranging from compact single-person units to larger multi-person models. Assess your spatial constraints and preferences to determine the most suitable sauna size for your needs.


Infrared saunas can vary in price due to factors such as size, materials, and heating technologies used. Generally, far infrared saunas tend to be more affordable as they utilize only far-infrared wavelengths, while full spectrum saunas combine near, mid, and far-infrared wavelengths, making them pricier. Keep in mind that investing in a high-quality sauna with lower EMF levels and energy efficiency can save you money in the long run. Determine your budget first, then research and compare available options within your price range to make an informed decision.

Personal Health Goals

Before making your choice between a far infrared sauna and a full spectrum sauna, consider the specific health benefits you want to derive from your sauna sessions. Far infrared saunas are known for their detoxification, improved circulation, weight loss, relaxation, and lowered blood pressure benefits. In contrast, full spectrum saunas offer a broader range of benefits due to the combined effects of near, mid, and far-infrared wavelengths.

For example, near-infrared wavelengths provide benefits such as faster healing of wounds and injuries, while mid-infrared wavelengths contribute to pain relief and muscle relaxation. Far infrared wavelengths deliver benefits mentioned earlier for far infrared saunas. Assess your personal health goals and determine which type of infrared sauna would best address your needs for maximum benefits.


When comparing Full Spectrum Saunas and Far Infrared Saunas, there are a few critical points to consider. Full Spectrum Saunas use a combination of near, mid, and far-infrared wavelengths, while Far Infrared Saunas use only far-infrared wavelengths.

Clinical evidence has suggested that both types of infrared saunas can provide numerous health benefits, particularly for those dealing with pain, stiffness, and fatigue. A Mayo Clinic expert indicates that far-infrared saunas use light to heat the body while traditional saunas use heat to warm the air.

However, an advantage of Full Spectrum Saunas is the incorporation of near-infrared wavelengths, which are thought to penetrate deeper into body tissues. This may offer some users enhanced therapeutic effects. It’s crucial to note that near-infrared therapy typically requires the user to be within 2 to 3 inches from the infrared lights, as reported by a Canadian Spa Company article.

Ultimately, the choice between Full Spectrum Saunas and Far Infrared Saunas comes down to individual preferences and needs. Both types of saunas have their benefits, and either can be an excellent addition to a wellness routine. It’s essential to consult with a healthcare professional to determine the most suitable option based on individual requirements and health goals.

Frequently Asked Questions

What are the benefits of full spectrum vs far infrared saunas?

Full spectrum saunas provide a combination of near, mid, and far infrared wavelengths, offering a more comprehensive therapy. Near-infrared wavelengths offer healing benefits, mid-infrared wavelengths can boost circulation and relieve pain, while far-infrared wavelengths, common in both sauna types, can increase core body temperature, induce sweating, and promote detoxification.

Far infrared saunas primarily use far-infrared wavelengths to generate heat. This type is known for increased core body temperature, inducing sweating and promoting detoxification.

How do near, mid, and far infrared wavelengths differ in a sauna?

Near-infrared wavelengths have healing benefits and are proven to promote cell regeneration. Mid-infrared wavelengths are known to improve circulation, relieve pain, and accelerate weight loss. Far-infrared wavelengths primarily target increasing the core body temperature and inducing sweating for detoxification.

Which sauna type is more efficient: full spectrum or far infrared?

Full spectrum saunas can provide a more comprehensive therapeutic experience as they combine the benefits of all three infrared wavelength types. However, efficiency may depend on individual needs and preferences. Far infrared saunas can still be effective and efficient at their primary goal of detoxification by increasing core body temperature and inducing sweating.

What factors should I consider when choosing between full spectrum and far infrared saunas?

When choosing between the two, consider factors such as the desired health benefits, budget, and personal preferences for heat intensity. If you seek a more comprehensive experience, a full spectrum sauna may be preferable. However, if the primary goal is detoxification and relaxation, a far infrared sauna can effectively meet that need at a potentially lower cost.

Can a portable sauna provide full spectrum infrared therapy?

Some portable saunas are designed to provide full spectrum infrared therapy. However, it is essential to carefully research the particular portable sauna model and ensure it offers true full spectrum infrared capabilities before making your investment.

Are there notable brand differences between full spectrum and far infrared saunas?

There can be differences among sauna brands, regardless of sauna type. The technology used, overall build quality, heating efficiency, and additional features can vary among various full spectrum and far infrared sauna brands. It is advisable to cross-check customer reviews, certifications, and warranty terms before making a decision.


  1. https://www.physicscentral.com/explore/action/infrared.cfm 2
  2. https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/infrared-sauna/faq-20057954 2
  3. https://www.pooladvisors.net/full-spectrum-sauna-vs-far-infrared/ 2
  4. https://www.health.harvard.edu/staying-healthy/saunas-and-your-health
  5. https://healthandhealthier.com/far-infrared-vs-full-spectrum-sauna/
  6. https://saunas.org/far-infrared-light-near-infrared-light-full-spectrum-saunas/
  7. https://www.canadianspacompany.co.uk/blogs/news/full-spectrum-infrared-saunas-compared-to-far-infrared-saunas

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