# What Are Infrared Saunas Good For? Benefits Explained

**By Robert Ward** · 2026-09-29

# What Are Infrared Saunas Good For? Benefits Explained

[Infrared saunas](https://centuraheat.co.uk/collections/saunas?sort_by=best-selling&filter.p.m.custom.sauna_type=Infrared+Light+Sauna&filter.v.price.gte=&filter.v.price.lte=) are mainly used for relaxation, gentle whole-body warming and post-exercise comfort. They can increase skin temperature, circulation and perspiration without requiring the extremely hot air associated with a traditional sauna.

Some research suggests that regular heat exposure may support cardiovascular function, pain management and general wellbeing. However, the evidence specifically relating to infrared saunas is still developing. They should be viewed as a wellness tool, not a treatment or cure for a health condition.

This guide explains how infrared saunas work, which benefits are reasonably supported, which popular claims need more caution and what UK homeowners should consider before buying one.

### What is an infrared sauna?

An infrared sauna is an enclosed cabin containing panels or heaters that emit infrared radiation. Infrared is an invisible part of the electromagnetic spectrum that we experience as heat.

Unlike a traditional sauna, which primarily heats the air and then warms the person sitting inside, an infrared sauna transfers radiant heat more directly to the body and surrounding surfaces. The cabin still becomes warm, but its air temperature is generally lower.

Cleveland Clinic places a typical infrared sauna at approximately 43°C to 57°C, compared with around 66°C to 91°C for a traditional sauna. Exact operating temperatures vary between models. [health.clevelandclinic.org](https://health.clevelandclinic.org/infrared-sauna-benefits?utm_source=chatgpt.com)

This lower-temperature environment is one of the main reasons people choose infrared. It can provide a sustained warming and sweating experience without the intense air temperature or humidity of a traditional sauna.

### What are infrared saunas good for?

Infrared saunas are most useful for:

-   Creating a relaxing heat-based routine at home
-   Warming muscles before gentle mobility work
-   Supporting comfort after physical activity
-   Encouraging perspiration
-   Providing a lower-temperature alternative to traditional saunas
-   Offering convenient, private sauna sessions at home

Potential health effects such as pain reduction and improved cardiovascular markers have also been studied. These findings are encouraging, but they are not strong enough to guarantee a medical benefit for every user.

![](https://cdn.shopify.com/s/files/1/0877/1577/4800/files/land_ch_09.22.png?v=1790068897)

### What are the potential benefits of an infrared sauna?

**1\. Relaxation and stress reduction**

Sitting quietly in a warm environment can help the body and mind wind down. An infrared session also creates a defined period away from work, screens and other distractions, which may be just as important to the relaxing experience as the heating technology itself.

Heat promotes the widening of blood vessels, known as vasodilation, and can reduce the feeling of muscular tension. Many people therefore use an infrared sauna as part of an evening routine or after exercise.

There is evidence that sauna bathing may support relaxation and general wellbeing, but it is difficult to separate the physiological effect of infrared heat from the benefits of resting quietly in a comfortable setting.

**2\. Temporary relief from stiff or sore muscles**

Infrared heat may make tight or tired muscles feel looser. Warming tissue and increasing local blood flow can improve short-term comfort, particularly after physical activity.

This does not mean that infrared saunas repair muscle injuries or eliminate delayed-onset muscle soreness. Recovery still depends on suitable rest, sleep, nutrition, hydration and an appropriate training programme.

An infrared sauna may be useful as one part of a recovery routine, especially for someone who finds a traditional sauna uncomfortably hot. Stop using it if heat makes pain, swelling or other symptoms worse.

**3\. Increased circulation during a session**

Heat causes blood vessels near the skin to widen so the body can release heat. Heart rate may also rise as the cardiovascular system works to move warm blood towards the skin.

This is a normal thermoregulatory response: the body is trying to maintain a safe internal temperature. It explains why a sauna can feel mildly demanding even though you are sitting still.

Small studies have examined infrared sauna therapy in people with cardiovascular conditions. Mayo Clinic says there is some evidence of benefit, but larger and more precise studies are needed, and some research has used conventional rather than infrared saunas. [mayoclinic.org](https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/infrared-sauna/faq-20057954?utm_source=chatgpt.com)

Anyone with a heart condition, problems with blood pressure or unexplained dizziness should obtain medical advice before using a sauna. Heat exposure is not a substitute for cardiovascular exercise or prescribed treatment.

**4\. A more tolerable sauna experience**

An infrared sauna can be more comfortable for people who dislike very hot air or high humidity. This is a practical benefit rather than a medical claim, but it can make a meaningful difference.

Because infrared cabins usually operate at lower air temperatures, some people can relax in them without experiencing the intense sensation associated with a traditional sauna. You can still sweat heavily, however, so lower temperature does not mean that hydration and session length can be ignored.

**5\. Possible support for pain management**

Infrared sauna therapy has been investigated for conditions involving chronic pain, including arthritis and musculoskeletal pain. Some studies report improvements, but study sizes and methods vary, so infrared sauna use should not be considered a proven treatment.

Cleveland Clinic includes possible relief from sore muscles, joint pain and stiffness among the commonly reported benefits, while advising users to treat sauna bathing as part of a broader health routine. [health.clevelandclinic.org](https://health.clevelandclinic.org/infrared-sauna-benefits?utm_source=chatgpt.com)

If pain is persistent, severe or unexplained, obtain a diagnosis rather than relying on heat to mask the symptoms.

**6\. A possible improvement in sleep routines**

An infrared sauna may help some people feel calm and physically relaxed before bed. The cooling period after heat exposure may also fit naturally into an evening wind-down routine.

Research has not established infrared sauna use as a treatment for insomnia. A session may support a healthy bedtime routine, but it does not replace consistent sleep times, a suitable sleeping environment or medical help for continuing sleep problems.

Avoid using the sauna so late or at such a high setting that you remain overheated when trying to sleep.

**7\. Convenient access to passive heat therapy**

One of the clearest benefits of owning an infrared sauna is convenience. A home cabin removes travelling, bookings and shared changing facilities from the routine.

That convenience matters because a wellness product is only useful when it is practical enough to use consistently. A suitable home model can allow shorter sessions to fit around work, exercise and family life.

UK homeowners can compare [infrared sauna models for home use](https://centuraheat.co.uk/collections/saunas?sort_by=best-selling&filter.p.m.custom.sauna_type=Infrared+Light+Sauna&filter.v.price.gte=&filter.v.price.lte=), including different capacities, heater arrangements and indoor or outdoor designs.

![](https://cdn.shopify.com/s/files/1/0877/1577/4800/files/6255485740211591720.jpg?v=1790068940)

### Which infrared sauna claims need more caution?

**Do infrared saunas detox your body?**

Sweating helps regulate temperature, but it is not the body’s main detoxification system. The liver and kidneys process and remove waste products from the body.

A small quantity of some substances may be present in sweat, but sweating more does not establish that an infrared sauna produces a meaningful “detox”. Claims that it removes unspecified toxins should therefore be treated cautiously.

A more accurate statement is that infrared saunas encourage perspiration. That can feel refreshing, but it also means fluid must be replaced.

**Do infrared saunas burn fat?**

An infrared sauna is not a reliable weight-loss method. Any immediate reduction on the scales is mainly caused by water lost through sweat and is usually reversed after drinking.

Your heart rate and energy expenditure may increase modestly in response to heat, but sitting in a sauna does not reproduce the muscular, respiratory and metabolic benefits of exercise. Cleveland Clinic similarly cautions that sweating should not be confused with substantial calorie or fat loss. [health.clevelandclinic.org](https://health.clevelandclinic.org/does-sweating-burn-calories?utm_source=chatgpt.com)

For lasting fat loss, overall energy balance, diet, physical activity, sleep and sustainable habits matter far more.

**Do infrared saunas prevent or cure disease?**

There is not enough high-quality evidence to claim that infrared saunas prevent, treat or cure diseases such as cancer, dementia, diabetes or heart disease.

Researchers have investigated heat therapy in relation to several long-term conditions, but promising early results are different from proven clinical treatment. The [Mayo Clinic overview of infrared sauna research](https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/infrared-sauna/faq-20057954?utm_source=chatgpt.com) makes this distinction clear: some benefits may be possible, but stronger evidence is needed.

### Near, mid and far infrared explained

Infrared is commonly divided into wavelength bands:

**Near infrared**

Near infrared has the shortest wavelengths of the three categories. It is sometimes incorporated into full-spectrum cabins and light-based wellness products.

Near-infrared heat should not automatically be treated as the same thing as red-light therapy or photobiomodulation. The equipment, wavelength, power and intended use all matter.

**Mid infrared**

Mid infrared sits between near and far infrared. It contributes radiant warmth and is sometimes included in multi-heater or full-spectrum systems.

**Far infrared**

Far infrared has longer wavelengths and is widely used in sauna cabins because it produces comfortable radiant warmth. A “far infrared sauna” is therefore an infrared sauna designed predominantly around this part of the spectrum.

**What does full-spectrum infrared mean?**

A full-spectrum infrared sauna uses emitters intended to provide near, mid and far infrared wavelengths. This describes the heater arrangement, but it does not by itself prove that the cabin delivers greater health benefits.

When comparing models, examine the actual heater configuration, temperature range, power requirements, warranty and safety information rather than relying only on the phrase “full spectrum”.

![](https://cdn.shopify.com/s/files/1/0877/1577/4800/files/02.09.2026_CH_6622c320-1979-4f86-8ef8-e07de73f61f4.png?v=1790068980)

### Infrared sauna vs traditional sauna: which is better?

Neither type is universally better. The right choice depends on the experience you want and the installation that suits your home.

Consideration

Infrared sauna

Traditional sauna

How it works

Radiant heaters warm the body and surfaces more directly

A stove or heater raises the cabin’s air temperature

Typical experience

Gentler air temperature and low humidity

Hotter, more intense traditional sauna atmosphere

Steam

Usually no steam

Water may be poured onto suitable stones to create bursts of steam

Warm-up

Often quicker, depending on the model

Usually needs time to heat the cabin and stones

Best suited to

Gentle warmth, relaxation and regular home use

People who value intense heat and traditional sauna ritual

Evidence base

Promising, but infrared-specific clinical evidence remains limited

Much long-term sauna research relates to traditional Finnish sauna use

Choose infrared if lower-temperature radiant warmth is the main attraction. Choose traditional if you want higher temperatures, sauna stones and the option of controlled steam.

### How long should you use an infrared sauna?

A cautious beginner might start with approximately 5 to 10 minutes at a moderate setting. If this feels comfortable, session length can be increased gradually while remaining within the sauna manufacturer’s instructions.

There is no single medically proven session length that suits everyone. Your experience, temperature setting, health, hydration and medication can all affect heat tolerance.

A sensible routine is to:

1.  Begin at a moderate temperature.
2.  Keep early sessions short.
3.  Drink water before and after use.
4.  Leave immediately if you feel dizzy, nauseated, weak or unwell.
5.  Allow your body to cool gradually.
6.  Avoid trying to “push through” discomfort to sweat more.

Do not use alcohol before or during a sauna session. Alcohol can impair judgement and increase the likelihood of dehydration, low blood pressure and fainting.

### Who should seek advice before using an infrared sauna?

Infrared saunas may not be suitable for everyone. Speak to your GP or another qualified healthcare professional before use if you:

-   Are pregnant or trying to use sauna bathing for a pregnancy-related concern
-   Have heart disease, an abnormal heart rhythm or uncontrolled blood pressure
-   Have experienced fainting or heat illness
-   Have kidney disease or need to restrict fluid intake
-   Take medicines that affect sweating, blood pressure, hydration or temperature regulation
-   Have reduced sensation and may not notice excessive heat
-   Have an acute illness, fever or significant dehydration
-   Are considering sauna use to manage a diagnosed medical condition

The [Cleveland Clinic guide to infrared sauna benefits and precautions](https://health.clevelandclinic.org/infrared-sauna-benefits?utm_source=chatgpt.com) also recommends checking with a healthcare professional where health conditions or medicines could affect safe use.

![](https://cdn.shopify.com/s/files/1/0877/1577/4800/files/4459592676146605518.jpg?v=1790069085)

### What should you look for in a home infrared sauna?

**The right capacity**

Person ratings describe the intended capacity, but they do not tell you how spacious the cabin will feel. Compare the external dimensions, internal bench size and layout.

A one-person model may suit individual use and smaller rooms. A two-person cabin provides more personal space or allows shared sessions, while larger models are better suited to households that will genuinely use the sauna together.

**Heater type and placement**

Look at how many heaters the cabin uses and where they are positioned. Well-distributed panels can provide more even warmth around the back, sides and legs.

Do not assume that a larger wattage alone guarantees a better experience. Cabin volume, insulation, heater technology and placement also affect performance.

**Indoor or outdoor installation**

An indoor sauna needs a dry, level location with suitable ventilation and enough clearance for assembly and access. An outdoor model must be designed for exterior use and positioned on a stable base.

Check the product-specific electrical requirements before ordering. Some sauna models require a dedicated electrical supply or professional hardwiring, so installation should be discussed with a competent electrician rather than assumed from the product’s size.

**Temperature and controls**

Check the available temperature range, timer, control panel and any app-based functions. Straightforward controls are often more valuable than a long feature list, particularly if several people will use the sauna.

**Warranty and after-sales support**

A home sauna is a significant purchase. Review the warranty coverage, availability of replacement components, delivery arrangements and access to after-sales support before comparing on price alone.

**Evidence behind wellness features**

Features such as chromotherapy, red light, speakers and app control may improve the user experience, but they should not be treated as proof of additional medical benefits.

Focus first on build quality, appropriate heaters, practical controls, electrical requirements and suitability for your space.

### Is a home infrared sauna worth it?

A home infrared sauna may be worth considering if you enjoy regular heat-based relaxation, prefer a lower-temperature cabin and have an appropriate installation space. Its greatest value often comes from convenience and repeated personal use rather than a guaranteed medical outcome.

Before buying, ask yourself:

-   Do I prefer radiant warmth to intense traditional sauna heat?
-   How many people will normally use it?
-   Will it be installed indoors or outside?
-   Does the chosen location have enough space and ventilation?
-   What electrical work is required?
-   Are the heaters positioned where I want warmth?
-   Will I use it often enough to justify the cost and space?

[CenturaHeat](https://centuraheat.co.uk/?utm_source=chatgpt.com) offers infrared, traditional and hybrid sauna options for different UK homes. Comparing the experience, dimensions and installation requirements of each type is more useful than choosing solely from a list of claimed health benefits.

### Frequently asked questions

**Can you use an infrared sauna every day?**

Some healthy, experienced users tolerate frequent sessions, but daily use is not necessary to enjoy an infrared sauna. Start gradually, follow the manufacturer’s guidance and monitor hydration and how you feel. Seek medical advice if you have a relevant health condition or take medication that affects heat tolerance.

**Should you use an infrared sauna before or after exercise?**

A short, moderate session before exercise may make muscles feel warm, but it should not replace an active warm-up. After exercise, gentle heat may feel relaxing; however, rehydrate first and avoid the sauna if you are already overheated, dizzy or depleted.

**Do you need to shower after an infrared sauna?**

Showering after a session removes sweat and can help you cool down. Use comfortable rather than extreme water temperatures, particularly if you are new to sauna bathing or prone to dizziness.

**Is far infrared better than full-spectrum infrared?**

Not necessarily. Far-infrared cabins can provide even, comfortable heat, while full-spectrum models use a broader range of infrared wavelengths. The label alone does not establish that one delivers better health outcomes. Compare heater coverage, controls, construction and installation requirements.

**Can an infrared sauna help with a cold?**

An infrared sauna may temporarily feel soothing, but it does not cure a cold or remove the virus. Avoid sauna use if you have a fever, dehydration, dizziness or feel acutely unwell. Rest, fluids and appropriate medical advice are safer priorities.

**Are infrared saunas safe?**

They are generally well tolerated by many healthy adults when used sensibly, but heat exposure is not risk-free. Dehydration, dizziness, overheating and changes in blood pressure can occur. Keep sessions controlled and obtain medical advice where your health or medication could affect heat tolerance.

### The main takeaway

Infrared saunas are particularly good for gentle whole-body warmth, relaxation, perspiration and temporary relief from muscular stiffness. Their lower air temperature can make them more comfortable than traditional saunas, while home ownership makes regular sessions convenient.

The evidence for wider medical benefits remains promising rather than conclusive. Approach claims about detoxification, major weight loss and disease treatment cautiously, and choose a sauna according to the experience, space and practical features you will actually use.

For homeowners who prefer radiant heat and a calmer, lower-temperature environment, the [CenturaHeat infrared sauna collection](https://centuraheat.co.uk/collections/saunas?sort_by=best-selling&filter.p.m.custom.sauna_type=Infrared+Light+Sauna&filter.v.price.gte=&filter.v.price.lte=) provides a useful starting point for comparing home models.

**Tags:** benefits of sauna, health effects of saunas, home sauna, infrared sauna, sauna benefits, Sauna Health, UK sauna

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> Source: [Centuraheat](https://centuraheat.co.uk/blogs/news/infrared-sauna-benefits)
