Full Spectrum vs Far Infrared Sauna Technology: The Complete Buyer’s Guide

So you’re thinking about getting an infrared sauna? Good choice! But now you’re faced with another choice: A far infrared sauna or a full spectrum model? The choice might sound overwhelming at first, but we’ve got your guide to making the right move for your budget, needs, and lifestyle.

In this article, we’ll break down:

• The fundamental differences between far infrared and full spectrum technologies
• The specific health benefits each type offers (and where they overlap)
• How to choose the right one based on your wellness goals and budget

Let’s warm up to the facts and help you make a choice you won’t regret when that beautiful sauna arrives at your North Carolina home!

What’s This Infrared Heat All About, Anyway?

Before we dive into the differences between different types of infrared saunas, let’s get a basic understanding of what we’re talking about. Infrared light is part of the electromagnetic spectrum—the same family as visible light, but with wavelengths longer than what our eyes can see.

When inside an infrared sauna, these invisible light waves create gentle, deep-penetrating heat that warms your core body temperature from within rather than just heating the air around you like traditional saunas do. Unlike a dry vs wet sauna comparison where humidity is the main difference, with infrared, it’s all about how the heat reaches and affects your body.

“But wait,” you might ask, “isn’t all infrared light the same?” Not quite! The infrared spectrum is actually divided into three main categories:

1. Near infrared (NIR): Shortest wavelength (0.8-1.5 microns), penetrates the outermost layers of skin
2. Mid infrared (MIR): Medium wavelength (1.5-3 microns), reaches slightly deeper into soft tissues
3. Far infrared (FIR): Longest wavelength (3-12 microns), penetrates deepest into the body (up to 1.5-2 inches)

And that’s where our sauna comparison begins—because a far infrared sauna uses only FIR wavelengths, while a full spectrum model incorporates all three. Now let’s see what that actually means for your sweat sessions!

Far Infrared Saunas: Deep Heat That Gets Results

A far infrared sauna does exactly what its name suggests—it emits far infrared wavelengths, and only far infrared wavelengths. These saunas have become incredibly popular for good reason—they deliver powerful benefits with efficient technology.

How Far Infrared Works Its Magic

Far infrared rays penetrate deeper into your body than the other wavelengths, reaching well into your muscles, joints, and connective tissues. When these rays hit your body, they cause water molecules to vibrate, generating heat from within rather than just warming the air around you.

What does this mean for your experience? You’ll sweat profusely at lower air temperatures (typically 110-140°F) compared to traditional saunas (which often exceed 180°F). This makes the experience more comfortable for many people while still delivering serious detoxification benefits. Unlike regular saunas, the infrared heat works at the cellular level, helping your body release toxins stored in fat cells.

The Body Benefits When Far Goes Deep

The deep-reaching nature of far infrared waves comes with some impressive benefits:

• Detoxification: When FIR penetrates deep into your tissues, it helps mobilize toxins stored in fat cells, which you then sweat out. This deep cleansing effect is what many sauna enthusiasts are after.
• Muscle recovery and pain relief: Athletes and anyone with chronic pains often notice significant relief after FIR sessions. The deep heat can help reduce inflammation and promote healing in overworked muscles and damaged tissues.
• Heart-healthy heat: Your body responds to FIR heat similarly to how it responds to moderate exercise. Your heart rate increases, blood vessels dilate, and circulation improves—all beneficial for cardiovascular health without the physical exertion. Regular sessions may even help lower blood pressure over time.
• Weight loss and metabolism boost: While you shouldn’t replace exercise with sauna time, research suggests you can burn several hundred calories during a far infrared session as your body works to cool itself down. The increased heart rate and improved blood circulation can support your weight loss efforts naturally.

For many people, these benefits hit all the right spots, making far infrared saunas an excellent option. But what about adding those other wavelengths into the mix? Let’s talk about full spectrum.

Full Spectrum Infrared Saunas: The Complete Light Package

Full spectrum infrared saunas incorporate near, mid, and far infrared wavelengths, essentially giving you the complete infrared experience in one sauna. Each wavelength penetrates to different depths, which means it offers a more diverse range of therapeutic benefits.

The Near, Mid, and Far Trio: What Each Brings to the Table

Near Infrared (NIR): The shortest wavelength penetrates just below the surface of your skin. NIR is particularly noted for its effects on:

• Skin health and rejuvenation: Stimulates cellular activity and promotes increased blood flow to the skin, helping it look more vibrant and youthful.
  
• Wound healing acceleration: Supports faster tissue repair by encouraging mitochondrial activity in cells.
  
• Reducing signs of aging: Helps diminish fine lines and improve skin tone by increasing skin elasticity.
  
• Cell health and regeneration at the surface level: Enhances the energy production of cells near the skin, boosting their ability to repair and maintain themselves.
  
• Stimulating collagen production for healthier skin cells: Encourages natural collagen synthesis, which is essential for firm, plump skin and reducing the appearance of wrinkles.

Mid Infrared (MIR): With medium wavelengths, MIR reaches deeper into the soft tissues and is particularly beneficial for:

• Improving circulation in the mid-tissue layers: Helps oxygenate tissues and remove metabolic waste more efficiently.
  
• Reducing inflammation and body stress: Penetrates into joints and muscles, helping to calm internal inflammation and promote a balanced physiological state.
  
• Promoting joint mobility and flexibility: Loosens connective tissue and supports the release of tension, making movement easier and more fluid.
  
• Enhancing pain relief in the body’s middle layers: Offers targeted relief for muscle and joint pain by increasing blood flow and reducing tightness.
  
• Expansion of blood vessels for improved blood flow: Encourages vasodilation, which helps reduce blood pressure and supports nutrient delivery throughout the body.

Far Infrared (FIR): As we’ve already covered, these longest wavelengths penetrate deepest, offering those substantial benefits for detoxification, muscle recovery, and metabolic effects.

Together, these wavelengths create what manufacturers call a “full-body wellness experience,” suggesting that you’re getting the complete package of infrared benefits rather than just focusing on deep tissue penetration.

Infrared Sauna Wavelength Comparison

A full spectrum sauna combines all three wavelengths to provide comprehensive benefits, while a far infrared sauna focuses exclusively on the deep-penetrating FIR wavelengths.

Health Benefits: How Do They Really Compare?

Let’s get practical about how these differences translate to health benefits. Which should you choose if you have specific wellness goals in mind?

Far Infrared

Far infrared saunas excel at several health applications:

• If detoxification is your primary goal: The deep heat of FIR is best at mobilizing toxins stored deep in tissues.
• For chronic pain and muscle issues: The penetrating heat of FIR reaches deep into muscle tissue, potentially offering more relief for deep-seated pain.
• If you’re focused on metabolic benefits: Many studies on calorie burning and cardiovascular effects specifically used far infrared saunas.
• When budget matters: Far infrared saunas are typically less expensive than their full spectrum counterparts.

Full Spectrum

Full spectrum saunas may be worth the investment if:

• Skin health is a priority: The addition of near infrared wavelengths offers specific benefits for skin rejuvenation that far infrared alone can’t match.
• You want comprehensive therapy: If you’re looking to address multiple health concerns—from skin health to deep muscle pain—the full range of wavelengths might offer more complete coverage.
• Wound healing is important: Studies suggest that near infrared can significantly accelerate healing of wounds and injuries.
• You want all possible benefits: Some users simply want to ensure they’re getting the full range of infrared therapy in one unit.

Technical Stuff That Actually Matters

When choosing between far infrared and full spectrum saunas,there are some technical considerations that can influence your decision:

EMF Levels: A Health Consideration

Electromagnetic Field (EMF) exposure is a concern for many sauna buyers. Both types of saunas emit some EMF, but quality manufacturers like Finnleo have developed low-EMF technologies to minimize exposure.

But what exactly does EMF do? EMFs are invisible areas of energy—often referred to as radiation—that are associated with the use of electrical power and various forms of natural and man-made lighting. High levels of EMF exposure over time have been linked in some studies to potential disruptions in cellular function, stress responses, and sleep patterns. While the scientific community is still researching the full extent of EMF’s long-term effects, many people report experiencing symptoms like fatigue, headaches, or heightened anxiety with prolonged or high-level EMF exposure.

With Finnleo’s Pure Infra technology, EMF levels are kept below 2 milligauss (mG)—much lower than many competing models. This is important because lower EMF levels mean less potential interference with your body’s natural electromagnetic processes. When you’re trying to relax and heal, you want the purest experience possible without unnecessary radiation exposure.

Energy Efficiency and Operating Costs

Far infrared saunas generally use less energy than full spectrum models since they’re operating fewer types of heaters. They typically warm up faster (around 15 minutes) and operate at lower temperatures, potentially saving on electricity costs over time. Many customers wonder exactly how much does a sauna cost to run, and the good news is that most modern infrared models are quite efficient, often costing just $10-20 per month with regular use.

Full spectrum saunas, with their additional heating elements, may use slightly more energy, though technological improvements have made this difference less significant in recent years.

Construction and Durability

Both sauna types can last 15-20 years with proper maintenance. The key factors affecting longevity include:

• Wood quality: Look for Canadian Hemlock (used in Finnleo saunas) or Western Red Cedar, which resist decay and handle repeated heating/cooling cycles well.
• Heating element quality: Carbon-based heaters (like Finnleo’s CarbonFlex) typically outlast ceramic rod heaters and provide more even heat distribution.
• Electronic components: Digital controls and power supplies should be UL-listed for safety and durability.

The Finnleo Advantage: Quality You Can Feel

At EpicHotTubs, we’re proud to carry Finnleo saunas, which represent some of the finest infrared technology available today.

Pure Infra: Safety First

Finnleo’s patented Pure Infra technology focuses on creating the safest possible infrared experience. Their saunas feature:

• Ultra-low EMF/EF levels (less than 2mG EMF and 1V/m EF)
• CarbonFlex heating panels that distribute heat evenly without “cold spots”
• Comprehensive coverage that targets your entire body, not just portions

Innovative Options: The Best of Both Worlds

If you’re truly torn between traditional and infrared sauna experiences, Finnleo offers a unique solution with their InfraSauna models. These hybrid saunas combine the best of both worlds:

• Traditional sauna heater for the classic steam experience
• Far infrared panels for efficient, penetrating heat
• The option to use either feature independently or together

This gives you remarkable flexibility, allowing you to choose the experience that matches your mood and wellness needs on any given day.

Quality Construction That Lasts

Finnleo saunas stand out with quality materials and craftsmanship:

• Clear Canadian Hemlock wood construction
• Digital controls with mobile app integration
• Bluetooth audio systems
• Chromotherapy lighting options
• Easy assembly designs

Making Your Choice: Which Sauna Is Really Right For You?

All that information can be a bit overwhelming, so let’s break it down even further. How do you know which sauna to get? Start here:

Choose Far Infrared If:

• Deep detoxification and muscle recovery are your primary goals
• You’re dealing with chronic pains or inflammation issues
• You’re working with a somewhat limited budget
• Energy efficiency is important to you
• You prefer simplicity and focused benefits

Choose Full Spectrum If:

• Skin rejuvenation and cell regeneration are high on your priority list
• You want comprehensive therapy for multiple health issues simultaneously
• You’re interested in both surface-level and deeper tissue healing
• Your budget allows for the additional investment
• You prefer having the complete range of infrared technology

Or Consider a Hybrid If:

• You want flexibility between traditional and infrared experiences
• You enjoy both the intense heat of regular saunas and the gentle, deep-penetrating heat of infrared
• Multiple family members have different preferences
• You enjoy variety in your wellness routines and relaxation options

Still undecided? Browse our complete collection of saunas to see the full range of options available, or visit our showroom where you can experience different models firsthand.

Care Tips: Getting the Most From Your Infrared Sauna

Whichever type you choose, proper care will ensure your sauna lasts for years:

Wipe Down Benches and Floors After Each Use

After each session, use a clean towel or cloth to wipe down the benches and floor. This helps remove sweat and moisture, keeping the sauna clean and hygienic.

Leave the Door Open After Sessions to Allow Moisture to Escape

Keeping the sauna door open for a while after use allows trapped humidity to dissipate. This prevents mold, mildew, and wood damage over time.

Clean With Mild, Natural Cleaners

Use gentle, non-toxic cleaners to wipe down interior surfaces periodically. Avoid harsh chemicals, as they can damage the wood and create unwanted fumes when heated.

Check Electrical Connections Periodically

Make it a habit to inspect the sauna’s electrical components for wear or looseness. Ensuring everything is secure will help maintain safe, consistent operation.

Keep the Exterior Dusted and Clean

Wipe down the outside of the sauna to remove dust and dirt buildup. A clean exterior helps maintain the sauna’s appearance and ensures proper airflow around vents.

Personal Tips for Enjoying Your Sauna

For the best sauna experience:

• Stay hydrated before, during, and after sessions to replace fluids lost through sweating
• Start with shorter sessions (15-20 minutes) and gradually increase as your body adapts
• Use a towel on the bench and to wipe sweat during your session
• Consider a shower after to rinse away toxins released in sweat
• Monitor your heart rate and how you feel—relaxation should be part of the experience

Remember that consistent use is key to experiencing the full health benefits. Many users report the best results with 3-4 sessions per week.

The Bottom Line: Heat That Heals

Both far infrared and full spectrum saunas offer health benefits that we love, and your choice ultimately comes down to your specific wellness goals, budget, and personal preferences. If deeper tissue penetration and traditional infrared benefits are your focus, a far-infrared sauna might be perfect. If you want the complete experience with benefits at every tissue level from skin to deep muscle, a full-spectrum infrared sauna could be worth the investment.

For those still weighing options between different wellness investments, our article comparing sauna vs hot tub health benefits will give you more insight.

At EpicHotTubs, we’re here to help you navigate these options and find the perfect Finnleo sauna for your North Carolina home. With our range of models from the compact S810 to the spacious S840, we have options to fit various spaces and budgets.

Ready to start your home wellness journey? Visit our showroom or browse our Finnleo collection online. Your perfect infrared experience is waiting!

FAQs: Your Burning Questions Answered

What is the difference between full spectrum and infrared?

Full spectrum isn’t different from infrared—it’s a type of infrared sauna that includes all three infrared wavelengths (near, mid, and far). Traditional infrared saunas typically use only far infrared.

Is full spectrum better than far infrared sauna?

Not necessarily “better”—just different! Far infrared excels at deep tissue penetration, detoxification, and muscle recovery. Full spectrum adds skin rejuvenation and cell health benefits through near and mid infrared. Your “better” depends entirely on your wellness priorities and budget.

What is the healthiest type of sauna?

There’s no definitive “healthiest” sauna—each offers unique benefits. Traditional Finnish saunas provide intense heat for deep sweating. Far infrared penetrates deeply for detoxification and muscle relief. Full spectrum adds skin-level benefits. Low-EMF models like Finnleo’s are arguably healthiest from an electromagnetic exposure perspective.

Who should avoid using infrared saunas?

People with certain medical conditions should consult their doctor first: those with heart problems, low blood pressure, pregnant women, those taking medications affecting heat sensitivity, and anyone with implanted medical devices. If you feel dizzy, uncomfortable, or unusually fatigued during sauna use, exit immediately.

Which is better, near or far infrared sauna?

Near and far infrared serve different purposes. Near works primarily on skin and surface tissues, boosting collagen and cell health. Far penetrates deeply for detoxification and muscle relief. Rather than choosing between them, many users prefer full spectrum models that offer both benefits simultaneously.

Looking for more information about saunas? Check out these helpful resources from our blog:

• Learn about the differences between dry vs wet sauna options
• Discover how much does a sauna cost to run in your home
• Explore how much does a home sauna cost to purchase and install
• Compare sauna vs hot tub health benefits to make the right wellness choice
• Browse our complete collection of saunas to find your perfect match# Full Spectrum vs Far Infrared Sauna: Which Suits Your Wellness Goals?

About The Author:

Jordan Rash

Jordan Rash - Pool & Spa Expert