Infrared Sauna

Infrared Sauna: Benefits, How It Works & Infrared vs Traditional Sauna

Bonphul Editorial12 min read
Full-spectrum infrared sauna cabin with hemlock wood interior, bench and touchscreen control panel in a softly lit wellness room

Infrared sauna technology is becoming an increasingly recognised part of modern wellness environments. From dedicated wellness centres and spas to fitness facilities and hospitality spaces, infrared saunas offer an alternative approach to traditional heat-based relaxation.

Unlike conventional saunas that primarily heat the surrounding air, infrared saunas use specialised infrared emitters to produce radiant heat. This allows users to experience a warming environment at comparatively lower air temperatures.

With growing interest in full-spectrum infrared technology, many people are exploring how these systems work, what potential benefits they offer and how they differ from traditional saunas.

But what exactly is an infrared sauna? What is the difference between near, mid and far infrared technology? And what should you consider before choosing an infrared sauna for your home or professional wellness facility?

This guide explains the fundamentals of infrared sauna technology, its potential applications and the important factors to consider when selecting infrared sauna equipment.

What Is an Infrared Sauna?

An infrared sauna is an enclosed cabin that uses infrared heating elements to generate radiant heat. Infrared radiation is part of the electromagnetic spectrum, positioned just beyond visible red light.

In a traditional sauna, a heater warms the surrounding air, which subsequently transfers heat to the body. An infrared sauna works differently. Its heating elements emit infrared energy that is absorbed by the body and surrounding surfaces, creating a warming experience.

Because the heating mechanism differs, infrared saunas generally operate at lower ambient temperatures than traditional Finnish saunas.

This makes infrared technology an alternative for individuals who prefer a comparatively lower-temperature environment while enjoying a heat-based relaxation experience.

Infrared sauna systems are available in different configurations, including far infrared and full-spectrum infrared models.

How Does an Infrared Sauna Work?

An infrared sauna uses specialised heating panels or emitters installed within the cabin. When activated, these components produce infrared radiation that travels through the cabin and is absorbed by the body and surrounding surfaces.

The absorbed energy contributes to warming the skin and body, resulting in sweating and other normal physiological responses to heat exposure.

The overall experience depends on several factors:

  • Infrared emitters: The type, placement and configuration of heating elements influence how radiant heat is delivered.
  • Temperature settings: Adjustable controls allow users to select an appropriate operating temperature.
  • Session duration: Exposure time influences the overall heat load.
  • Cabin design: Interior dimensions, seating arrangements and construction materials contribute to comfort and usability.
  • Control systems: Integrated controls allow users to manage the operating settings.

Unlike steam-based systems, infrared saunas do not depend on generating steam to create their heating environment.

For further reading, see the Mayo Clinic's explanation of infrared sauna technology.

Infrared Sauna vs Traditional Sauna: What Is the Difference?

Infrared saunas and traditional saunas both provide heat-based experiences, but their heating mechanisms and operating environments are different.

A traditional sauna uses an electric or wood-burning heater to warm the surrounding air. Heated stones are commonly used, and water can be poured over them to produce steam and increase humidity.

An infrared sauna, on the other hand, uses specialised infrared emitters that produce radiant heat. Instead of primarily heating the surrounding air, infrared energy is absorbed by the body and surrounding surfaces.

This difference influences operating temperatures, humidity levels, heating components and the overall sauna experience.

Key Differences Between Infrared and Traditional Saunas

Infrared sauna compared with traditional sauna
FeatureInfrared SaunaTraditional Sauna
Heating technologyInfrared heating panels or emittersElectric or wood-burning heater
Heat transferPrimarily radiant heatPrimarily heated air
Typical temperatureApproximately 43–57°CApproximately 65–90°C
HumidityGenerally lowUsually low, but can be increased with water on heated stones
Steam generationDoes not require steamSteam can be created using heated stones
Heating experienceRadiant warmth at comparatively lower air temperaturesHigher-temperature surrounding air
Main componentsInfrared emitters and control systemsSauna heater, stones and control systems
Installation considerationsCabin dimensions, electrical supply and emitter configurationCabin dimensions, heater capacity, ventilation and electrical or fuel requirements

Temperature ranges are indicative and vary by manufacturer, model and operating conditions.

How Does the Heating Experience Differ?

In a traditional sauna, the heater increases the temperature of the surrounding air. The body receives heat primarily through contact with the hot environment.

In an infrared sauna, infrared emitters produce radiant energy that is absorbed by the body and other surfaces. This allows users to experience radiant warmth without requiring the same ambient air temperature as a conventional sauna.

Neither system is universally better. They simply offer different heating experiences.

Which Is Better: Infrared Sauna or Traditional Sauna?

The right choice depends on individual preferences, intended applications and available installation space.

An infrared sauna may be suitable for those who:

  • Prefer a comparatively lower-temperature environment.
  • Are interested in infrared heating technology.
  • Want a system with adjustable infrared heating controls.
  • Prefer a modern enclosed sauna cabin.
  • Are planning to incorporate infrared technology into a wellness facility.

A traditional sauna may be suitable for those who:

  • Prefer the conventional high-temperature sauna experience.
  • Enjoy the option of adding water to heated stones.
  • Want a traditional Finnish-style sauna environment.
  • Prefer a familiar dry-heat or steam-influenced sauna experience.

When choosing between the two, consider operating requirements, installation costs, space availability, maintenance and the preferences of the intended users.

Understanding the Three Types of Infrared Technology

Infrared radiation is commonly divided into three wavelength categories: near infrared, mid infrared and far infrared.

These categories represent different portions of the electromagnetic spectrum. Their wavelength ranges and interaction with materials differ.

Full-spectrum infrared sauna systems combine different infrared wavelength ranges within one system.

For a scientific overview of infrared radiation and its classification, refer to the International Commission on Non-Ionizing Radiation Protection (ICNIRP).

1. Near Infrared (NIR)

Near infrared occupies the shorter-wavelength region of infrared radiation.

It is positioned immediately beyond the visible red portion of the electromagnetic spectrum.

Near infrared technology is used in various specialised heating and light-based applications. Its interaction with biological tissue differs from that of longer infrared wavelengths.

2. Mid Infrared (MIR)

Mid infrared occupies the middle portion of the infrared spectrum.

It has different absorption characteristics compared with near and far infrared radiation.

Understanding its wavelength range is useful when comparing infrared sauna systems and reviewing manufacturer specifications.

3. Far Infrared (FIR)

Far infrared occupies the longer-wavelength region of infrared radiation.

It is commonly used in infrared sauna heating systems and contributes to the radiant warmth associated with these cabins.

Far infrared radiation is absorbed predominantly in the outer layers of the skin, where it contributes to surface heating.

What Is a Full Spectrum Infrared Sauna?

A full-spectrum infrared sauna incorporates near, mid and far infrared wavelength ranges within one system.

Rather than relying on a single infrared wavelength category, it combines different portions of the infrared spectrum through its emitter configuration.

When evaluating a full-spectrum infrared sauna, it is important to examine the actual wavelength specifications and heating elements instead of relying only on the term "full spectrum" in product descriptions.

The exact wavelength classifications can vary across technical and commercial applications, so manufacturers' specifications should always be reviewed.

Potential Benefits of Infrared Sauna Sessions

Infrared sauna sessions are commonly incorporated into relaxation and general wellness routines. Research has explored the effects of infrared heat exposure on different aspects of human physiology.

However, the strength of scientific evidence varies depending on the health outcome, study design and type of sauna used.

Some commonly discussed areas include:

1. Relaxation and Stress Management

Warm environments can create a relaxing experience and provide an opportunity to step away from everyday activities.

Many individuals incorporate sauna sessions into their personal relaxation routines as part of a broader approach to wellbeing.

2. Sweating and Heat Exposure

Infrared sauna sessions increase exposure to radiant heat, which can raise skin temperature and stimulate sweating.

Sweating is a normal mechanism through which the body regulates its temperature.

However, sweating should not be confused with detoxification or guaranteed weight loss. Temporary changes in body weight following a sauna session are generally associated with fluid loss.

3. Circulation and Cardiovascular Responses

Exposure to heat can increase heart rate and cause blood vessels near the skin to widen.

Researchers have investigated whether repeated sauna-based heat exposure may influence cardiovascular health.

Some findings are promising, but the available evidence does not establish that infrared saunas prevent or treat cardiovascular diseases.

4. Muscle Relaxation and Post-Activity Comfort

Heat exposure is often incorporated into relaxation routines following physical activity.

Some research has investigated infrared sauna use in relation to muscle soreness and exercise recovery. However, findings vary, and infrared sauna sessions should not be considered a replacement for appropriate recovery, rehabilitation or medical care.

5. General Wellness and Relaxation Routines

For wellness facilities, infrared saunas can provide an additional heat-based experience within a broader programme that may include relaxation, fitness and other wellness services.

The value of the experience depends on appropriate equipment selection, operating procedures and individual suitability.

What to Consider When Choosing an Infrared Sauna Machine

Selecting infrared sauna equipment requires more than comparing prices or advertised temperatures.

For individuals and businesses planning to invest in a sauna, several factors can help guide the decision.

1. Infrared Technology and Wavelength Range

Determine whether the equipment uses far infrared alone or combines near, mid and far infrared technology.

For full-spectrum systems, review the wavelength ranges, emitter specifications and technical documentation provided by the manufacturer.

2. Cabin Size and Seating Capacity

Consider how many people are expected to use the sauna at one time.

A two-person infrared sauna may be appropriate for smaller spaces, while larger configurations can be considered for wellness centres, hospitality facilities and environments with higher capacity requirements.

3. Construction Materials

The cabin material influences its appearance, durability and overall interior experience.

Look for clearly documented material specifications, suitable finishing and construction quality.

4. Temperature Control

Temperature adjustment is an important part of the operating experience.

Review the available temperature range, control interface and the way users can adjust operating settings.

5. Electrical and Installation Requirements

Before purchasing infrared sauna equipment, assess:

  • Available electrical supply.
  • Voltage and power requirements.
  • Installation area and access.
  • External and internal cabin dimensions.
  • Ventilation and surrounding clearance requirements.
  • Manufacturer installation instructions.

These considerations are particularly important when planning a professional wellness facility.

6. Safety and Operating Features

Review the equipment's safety documentation, operating instructions, temperature controls and emergency procedures.

Also consider the availability of technical support, maintenance guidance and after-sales service.

7. Maintenance and After-Sales Support

A sauna is a long-term equipment investment. Before finalising a purchase, understand the manufacturer's maintenance recommendations, warranty coverage, replacement component availability and technical support arrangements.

Where Are Infrared Saunas Used?

Infrared sauna equipment can be incorporated into several types of wellness and hospitality environments.

Common applications include:

  • Wellness and recovery centres: As part of a broader relaxation and wellness offering.
  • Spas: To provide an additional heat-based experience.
  • Hotels and hospitality spaces: As part of dedicated wellness amenities.
  • Fitness facilities: As an additional relaxation facility for members.
  • Wellness studios: As part of a structured wellness service offering.
  • Residential spaces: For individuals looking to incorporate sauna equipment into their homes.

For businesses, equipment selection should be based on the intended service, customer requirements, available space, operating capacity and long-term maintenance considerations.

A well-planned installation should also account for privacy, accessibility, user comfort and the overall design of the wellness environment.

Businesses exploring multiple wellness technologies can also explore Bonphul's product catalogue to understand the range of available equipment.

Introducing the Zenith Full Spectrum Infrared Sauna by Bonphul Air Products

Bonphul Air Products offers the Zenith Full Spectrum Infrared Sauna, designed for modern wellness environments.

The range includes different configurations to accommodate varying space and capacity requirements, including two-person, three-to-four-person and bespoke options.

The Zenith two-person configuration incorporates:

  • Full-spectrum infrared technology: Incorporating near, mid and far infrared wavelength ranges.
  • Hemlock wood construction: A natural wood finish for the cabin interior and exterior.
  • Tempered glass: 8 mm tempered glass construction.
  • Touchscreen controls: An integrated interface for operating the system.
  • Adjustable temperature: Operating temperature of up to 70°C.
  • Space-conscious design: Exterior dimensions of 135 × 109 × 195 cm.

The Zenith range is designed for facilities and individuals looking to incorporate infrared sauna technology into a dedicated wellness space.

Choosing the right configuration depends on the available installation area, expected usage and facility requirements.

Bonphul's wider portfolio also includes AGNEE PRO Red Light Therapy, providing another technology option for wellness and recovery-focused environments.

To understand more about Bonphul's approach and product portfolio, visit the About Bonphul Air Products page.

Explore the Zenith Full Spectrum Infrared Sauna range from Bonphul Air Products to understand the available configurations and equipment specifications.

Conclusion

Infrared sauna technology offers a different approach to traditional heat-based relaxation using radiant infrared energy.

Understanding the differences between near, mid and far infrared wavelengths, comparing infrared and traditional sauna systems, and evaluating equipment specifications are important steps when choosing an infrared sauna.

For individuals and businesses exploring modern wellness equipment, selecting a system that matches the intended application, available space and operating requirements can make the investment more practical.

Explore the Zenith Full Spectrum Infrared Sauna by Bonphul Air Products and discover equipment options for modern wellness environments.

Further Reading and Scientific References

For readers interested in exploring the science and safety considerations behind infrared sauna technology, the following resources provide additional information:

  1. Mayo Clinic – Do infrared saunas have any health benefits?
  2. ICNIRP – Infrared Radiation
  3. ICNIRP – Infrared Radiation Publications
  4. Cleveland Clinic – Sauna Benefits
  5. PubMed – Scientific research and publications on infrared sauna

Frequently Asked Questions About Infrared Saunas

What is the difference between an infrared sauna and a traditional sauna?

An infrared sauna uses specialised emitters to produce radiant heat, whereas a traditional sauna primarily heats the surrounding air using an electric or wood-burning heater. Infrared saunas generally operate at lower ambient temperatures.

What is a full-spectrum infrared sauna?

A full-spectrum infrared sauna combines near, mid and far infrared wavelength ranges within one system. The actual wavelength coverage depends on the equipment's emitters and technical specifications.

What temperature does an infrared sauna operate at?

Infrared saunas commonly operate at approximately 43–57°C, although the available temperature range varies by model. Some systems, including the Zenith two-person configuration, offer temperature settings up to 70°C.

How long should an infrared sauna session last?

Session duration depends on the individual, equipment instructions and heat tolerance. Beginners should start with shorter exposure periods and follow the manufacturer's recommended operating guidelines.

Can an infrared sauna help with weight loss?

Sweating during a sauna session can cause temporary changes in body weight due to fluid loss. This should not be confused with fat loss. Infrared sauna use is not a substitute for regular physical activity and balanced nutrition.

Is an infrared sauna safe for everyone?

No. People with cardiovascular conditions, impaired heat sensitivity, certain medical conditions or those taking medications that affect blood pressure, circulation or heat tolerance should seek medical advice before using an infrared sauna.

Pregnant individuals should also consult their healthcare professional before using a sauna.

Users should follow the manufacturer's safety instructions, remain hydrated and leave the cabin if they experience dizziness, weakness or discomfort.

What should businesses consider before installing an infrared sauna?

Businesses should assess cabin dimensions, electrical requirements, installation access, ventilation, seating capacity, safety features, maintenance and after-sales support before selecting equipment.

Does an infrared sauna produce steam?

No. Infrared saunas use infrared emitters to produce radiant heat and do not require water or steam generation. Traditional saunas can produce steam by pouring water over heated stones.

What is the difference between far infrared and full-spectrum infrared saunas?

Far infrared saunas primarily use far infrared emitters, while full-spectrum systems combine near, mid and far infrared wavelength ranges. The emitter configuration and wavelength specifications should be checked when comparing models.

Filed underInfrared SaunaBonphulDeep-TechWellness

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