Sauna Lighting Guide: Choosing, Installing, and Maintaining Sauna Lights

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Written By Rachel Mcadms

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Introduction to Sauna Lights

Definition and Importance of Proper Lighting in Saunas

Sauna lights are special lights designed to withstand the high heat and humidity of a sauna. Proper lighting in saunas is essential not only for safety, allowing users to see clearly and avoid hazards, but also for enhancing the overall sauna experience. Good lighting can create a relaxing atmosphere, making the sauna a more enjoyable and tranquil space.

Brief Overview of Different Types of Sauna Lighting

There are several types of sauna lights available, each offering different benefits:
Traditional Incandescent Lights: These provide a warm glow but are less energy-efficient and may not last as long under sauna conditions.
LED Sauna Lights: LED lights are more energy-efficient and durable, making them ideal for the sauna environment. They also come in various colors to enhance the mood.
Fiber Optic Lights: These lights are best for creating a starry sky effect on the sauna ceiling, adding to the visual appeal without the risk of high heat exposure.
Infrared Sauna Lights: Specifically used in infrared saunas, these lights combine the benefits of light therapy with sauna heat.
Each type of light offers unique features suitable for different sauna styles and preferences.

Types of Sauna Lights

Traditional Incandescent Lights

Traditional incandescent lights have been used in saunas for many years. They emit a warm, soothing glow that many find comforting during a sauna session. However, they are not as energy-efficient as modern alternatives and can produce more heat, which might not always be desirable in the already hot environment of a sauna.

LED Sauna Lights

LED sauna lights are increasingly popular due to their energy efficiency and longevity. They operate at a lower temperature than incandescent bulbs, making them safer and more cost-effective over time. LED lights are also available in a range of colors, allowing for customizable mood lighting that can enhance the relaxation experience of the sauna.

Fiber Optic Lights for Saunas

Fiber optic lights are ideal for creating ambient and decorative lighting effects in saunas. They are especially popular for simulating starry skies on the ceiling of the sauna room. Since the light source itself can be located outside the sauna area, fiber optic lights do not produce additional heat inside the sauna, which adds to their appeal.

Infrared Sauna Lights

Infrared sauna lights are a specific type of light used primarily in infrared saunas. These are not just for illumination; they are part of the therapeutic experience, emitting infrared heat that directly warms the body. This type of light can help in improving circulation and relaxing muscles more effectively during the sauna session.
Each type of sauna light offers distinct advantages and can be chosen based on the specific needs and design of the sauna. Whether looking for ambiance, energy efficiency, or therapeutic benefits, there is a light type suitable for every sauna setup.

Benefits of Proper Sauna Lighting

Enhancing the Sauna Experience

Proper sauna lighting significantly enhances the overall sauna experience. The right lighting can transform a simple sauna session into a deeply relaxing and immersive environment. Adjustable lighting, such as dimmable LED lights, allows users to customize the ambiance, creating a tranquil space that supports relaxation and stress relief. Mood lighting can also complement therapeutic goals, such as color therapy, which uses various light colors to evoke different emotional responses and promote well-being.

Safety and Visibility

Safety and visibility are critical in any sauna setup, and proper lighting plays a crucial role in ensuring both. Adequate lighting helps prevent accidents by illuminating steps, benches, and other potential obstacles, making it safer to move around within the sauna. This is especially important in commercial saunas or when used by elderly users or those with mobility issues.

Energy Efficiency and Cost Savings

Modern sauna lights, particularly LEDs, offer significant energy efficiency and cost savings. LEDs consume a fraction of the energy used by traditional incandescent bulbs and have a much longer lifespan, reducing both replacement costs and the environmental impact of frequent bulb disposal. Energy-efficient lighting also means lower electricity bills, which is particularly beneficial for facilities like spas and health clubs where

saunas are in frequent use.

Overall, investing in proper sauna lighting not only improves the experience and safety of using a sauna but also offers practical benefits in terms of energy and cost-efficiency, making it a wise choice for both private and commercial sauna owners.

Choosing the Right Sauna Lights

Selecting the correct lighting for your sauna involves considering several factors to ensure safety, functionality, and ambiance. Here’s what to consider and some recommendations based on sauna size:
Factors to Consider

1. Brightness: The brightness of your sauna lights should be sufficient to safely illuminate the entire space without being harsh or overwhelming. It’s important to strike a balance that maintains the relaxing atmosphere typical of a sauna. Look for lights that can be dimmed to adjust the brightness according to different needs and times of day.

2. Heat Resistance: Sauna lights must be able to withstand high temperatures and humidity without malfunctioning or degrading quickly. Choose fixtures that are specifically designed for high heat environments and are rated for use in saunas.

3. Color: The color of the light can greatly affect the mood within the sauna. While warmer colors can enhance relaxation, some people might prefer the clarity of cooler colors, especially in a commercial setting where visibility is a priority. Consider adjustable RGB LED lights if you want the flexibility to change colors based on mood or therapeutic needs.

Recommended Light Fixtures for Different Sauna Sizes

• Small Saunas (up to 3 people): A single LED light fixture may be sufficient for smaller saunas. Consider a ceiling-mounted fixture that provides diffused light, which can evenly illuminate the space without creating glare.
• Medium Saunas (4-6 people): For medium-sized saunas, two or more light fixtures might be necessary to ensure even lighting throughout the space. Positioning lights on the ceiling and perhaps one on a wall can help achieve balanced illumination. Ensure that all fixtures are spaced evenly to avoid shadows.
• Large Saunas (7+ people): Large saunas often require a comprehensive lighting plan to cover the increased area effectively. Multiple LED fixtures or fiber optic lights can be used to create an immersive lighting experience. Installing lights under benches or in corners can also enhance the ambiance and ensure that no area is left dark.
For all sauna sizes, it’s crucial to use fixtures that are easy to maintain and replace, ensuring they can be securely installed in a high-moisture and high-temperature environment. Waterproof fixtures rated for sauna use are always recommended to prolong the life of the lighting elements and maintain safety standards.

Installation Tips for Sauna Lights

Installing sauna lights correctly is crucial not only for the functionality and aesthetics of your sauna but also for safety. Here’s a step-by-step guide to help you install sauna lights properly along with some important safety precautions to consider.

Step-by-Step Installation Guide

1. Plan Your Layout: Before installing any lights, plan where each light will go. Consider areas that need the most visibility, such as near the door, steps, or benches. Ensure even distribution of light to avoid shadows.

2. Choose Suitable Fixtures: Select fixtures specifically designed for sauna use, which means they should be heat-resistant and waterproof. Check the rating to ensure they are suitable for the high-temperature and high-humidity environment of a sauna.

3. Turn Off Power: Before starting any electrical work, ensure the power is turned off at the circuit breaker to avoid any electrical hazards.

4. Install a Junction Box: Install a junction box in the location where each light will be placed. The box should be rated for high temperatures and damp conditions.

5. Run Wiring: Route the electrical wires from your power source to the junction boxes. Use wire that’s rated for high temperatures and ensure it’s securely fastened and protected. It’s recommended to run the wiring through a conduit for added protection.

6. Connect the Fixtures: Attach the light fixtures to the junction boxes. Make sure all electrical connections are tight and secure. If the fixtures are adjustable, position them as desired.

7. Seal and Waterproof: Seal all fittings and fixtures with a high-temperature sealant to prevent moisture ingress. This helps in prolonging the life of your electrical installations and prevents potential electrical hazards.

8. Test Your Installation: Once all fixtures are installed and the area is cleaned up, turn the power back on and test each light to ensure they are working correctly. Adjust any settings as needed.

Safety Precautions During Installation

• Use Appropriate Tools and Materials: Always use tools and materials that are suitable for working in high-temperature and damp environments. This includes using insulated tools and wearing safety gloves and goggles.
• Follow Local Electrical Codes: Ensure that all electrical work complies with local building codes and regulations. This might include specific requirements for electrical installations in damp or hot environments.
• Consider Professional Installation: If you are not experienced in electrical installations, particularly in challenging environments like saunas, consider hiring a professional. This ensures that the installation is safe, efficient, and compliant with all safety standards.
• Regular Inspections: After installation, regularly inspect your sauna lighting and other electrical installations for signs of wear, damage, or moisture ingress. Promptly address any issues to maintain safety and functionality.
By following these installation tips and safety precautions, you can ensure that your sauna lights are installed correctly, enhancing both the aesthetics and safety of your sauna environment.

Maintenance and Care of Sauna Lights

Proper maintenance and care of sauna lights are essential for ensuring they function effectively and safely over time. Here’s a guide on routine cleaning, maintenance tips, and troubleshooting common issues.
Routine Cleaning and Maintenance Tips

1. Regular Cleaning: Clean the light fixtures regularly to remove any buildup of dust and debris. Use a damp cloth to wipe the surfaces gently. Avoid using harsh chemicals or abrasive cleaners that could damage the fixture’s finish or components.

2. Check for Moisture: Inspect the fixtures for signs of moisture ingress or condensation, especially in areas where the sealant might be compromised. Moisture inside the fixture can lead to electrical faults or reduced lifespan.

3. Inspect Seals and Gaskets: Periodically check the seals and gaskets on each light fixture to ensure they remain airtight and watertight. Replace any that are worn or damaged to maintain the integrity of the fixture against moisture and heat.

4. Tighten Loose Connections: Due to the expansion and contraction caused by the sauna’s heat, electrical connections may loosen over time. Periodically check and tighten these connections to ensure they are secure.

5. Replace Bulbs as Needed: For fixtures that use bulbs, replace them as soon as they burn out. Always use bulbs that are appropriate for the high-temperature environment of a sauna.

6. Ventilation Check: Ensure that the sauna’s ventilation system is working effectively. Proper ventilation helps to prevent overheating of the sauna and its components, including lighting fixtures.

Common Issues and Troubleshooting

1. Flickering Lights: If the lights flicker, check for loose connections in the wiring or fixtures. Tighten any loose connections and replace any worn parts. If the problem persists, it could be due to an incompatible dimmer switch or faulty wiring, requiring professional attention.

2. Burnt Out Bulbs: Frequent bulb failures can be caused by using the wrong type of bulb or excessive moisture. Ensure you are using bulbs suitable for high heat and check the fixture’s seals to prevent moisture entry.

3. Rust or Corrosion: If fixtures begin to show signs of rust or corrosion, it may be necessary to replace them or treat the affected areas with rust inhibitors. Stainless steel fixtures or those with corrosion-resistant coatings are best for sauna environments.

4. Non-Responsive Fixtures: If a light fixture does not turn on, ensure the power supply is intact and the fixture is properly wired. Check the circuit breaker and any switches involved. If these elements are functioning, the fixture itself may be faulty and need replacing.
By following these maintenance and troubleshooting tips, you can extend the life of your sauna lights and ensure they provide a reliable and safe source of light in your sauna. Regular checks and timely repairs will help avoid interruptions in your sauna experience due to lighting issues.

Design Ideas with Sauna Lights

Enhancing your sauna with creative lighting can transform the space into a more inviting and relaxing environment. Here’s how to use sauna lights to create mood and ambiance, along with some inspirational case studies and examples.

Creative Lighting Ideas for Mood and Ambiance

1. Color Therapy: Install LED lights that can change colors to enhance the therapeutic effects of your sauna sessions. Different colors can evoke various emotional responses; for example, blue can be calming and relaxing, while red can stimulate and invigorate.

2. Starry Sky Effect: Using fiber optic lights to mimic a starry sky on the ceiling of your sauna can create a magical and tranquil atmosphere. This is particularly effective in darker saunas where the effect can be more pronounced.

3. Dimmable Lights: Incorporating dimmable LED lights allows you to adjust the brightness according to your mood or the time of day. Lower light levels are perfect for a calming, soothing sauna experience, while brighter lights may be necessary for cleaning or more social gatherings.

4. Accent Lighting: Use accent lighting to highlight architectural features of the sauna, such as beautiful wood grains, interesting textures, or art pieces. This can be achieved with small, directional LED spotlights.

5. Under-Bench Lighting: Installing lights under the benches not only adds a unique aesthetic but also serves as a safety feature, making it easier to navigate the sauna without tripping or stumbling.
Case Studies and Examples of Well-lit Saunas

1. Luxury Spa Sauna: A high-end spa features a sauna with adjustable RGB LED lighting that clients can control depending on their mood. The spa uses this feature as a selling point for personalized relaxation experiences.

2. Home Sauna Retreat: In a private home, the owner installed a combination of warm incandescent lights for a classic look and modern LED strips under the benches for a contemporary twist. This combination creates a welcoming and versatile space.

3. Health Club Sauna: A popular health club uses fiber optic lights to create a starry sky effect in their main sauna room. This feature has been highlighted in their marketing materials and is a favorite among members, especially in evening sessions.

4. Scandinavian Style Sauna: Emphasizing simplicity and nature, this sauna uses hidden LED strips that illuminate the space indirectly, casting a soft glow on the wooden surfaces and creating a warm, inviting environment.

5. Outdoor Sauna by the Lake: An outdoor sauna uses solar-powered LED lights to enhance its eco-friendly appeal. The lights are used to illuminate the path to the sauna as well as the interior, ensuring a seamless blend with its natural surroundings.
By exploring these creative ideas and real-life examples, you can better understand how effective lighting design can greatly enhance the sauna experience, making it not only a healthful activity but also a visually pleasing retreat.

Safety Standards and Regulations for Sauna Lights

Ensuring that your sauna lights meet safety standards and regulations is crucial for a safe and enjoyable sauna experience. Here’s what you need to know about compliance with local electrical codes, waterproofing, and heat resistance requirements.

Compliance with Local Electrical Codes

1. Electrical Wiring: Sauna lights must be installed according to local electrical codes and regulations. This typically involves using moisture-resistant wiring and ensuring proper grounding to prevent electrical hazards.

2. GFCI Protection: Ground Fault Circuit Interrupter (GFCI) protection is often required for sauna lights to protect against electric shock. GFCI outlets or breakers should be installed in areas where water and electricity are in close proximity.

3. Voltage and Amperage: Sauna lights should be compatible with the voltage and amperage ratings of your electrical system. Using lights that exceed the capacity of your wiring can lead to overheating and fire hazards.

Waterproofing and Heat Resistance Requirements

1. IP Rating: Sauna lights should have a sufficient Ingress Protection (IP) rating to withstand the high humidity and occasional splashes of water present in saunas. Look for lights with a minimum IP44 rating for indoor saunas and higher ratings for outdoor or wet area installations.

2. Heat Resistance: Sauna lights must be able to withstand the high temperatures present in sauna environments without malfunctioning or posing a fire hazard. Choose lights specifically designed for use in saunas, which are constructed with heat-resistant materials and components.

3. Sealed Enclosures: Lights installed within the sauna should have sealed enclosures to prevent moisture ingress and protect the internal components from exposure to steam and humidity.
By ensuring that your sauna lights comply with these safety standards and regulations, you can enjoy peace of mind knowing that your sauna is not only illuminated effectively but also protected against electrical hazards and environmental factors.

Cost Analysis of Sauna Lights

Understanding the cost implications of sauna lights involves evaluating both initial expenses and long-term savings. Here’s a breakdown comparing different lighting types by cost and lifespan.
Initial Costs vs. Long-term Savings

1. Initial Costs: The upfront cost of sauna lights varies depending on the type, brand, and features. LED lights typically have a higher initial cost compared to traditional incandescent lights but offer long-term savings due to their energy efficiency and longer lifespan.

2. Long-term Savings: LED sauna lights are renowned for their energy efficiency, consuming significantly less power than traditional incandescent lights. This results in lower electricity bills over time and reduced environmental impact. Additionally, LED lights have a longer lifespan, reducing the frequency of replacements and maintenance costs.

Comparison of Different Lighting Types by Cost and Lifespan

1. Traditional Incandescent Lights: While incandescent lights have a lower initial cost, they are less energy-efficient and have a shorter lifespan compared to LED lights. Although they may be cheaper upfront, the higher electricity bills and more frequent replacements can result in higher long-term costs.

2. LED Sauna Lights: LED lights have a higher initial cost but offer substantial long-term savings. They consume up to 80% less energy than incandescent lights and have a lifespan of 25,000 to 50,000 hours, significantly longer than traditional bulbs. Despite the higher upfront investment, LED lights provide better value over time due to their energy efficiency and durability.

3. Fiber Optic Lights for Saunas: Fiber optic lighting systems are typically more expensive to install due to their intricate setup involving fiber optic cables and light sources. However, they offer unique design possibilities and can create stunning visual effects in saunas maintenance costs may vary depending on the complexity of the system and the quality of components used.

4. Infrared Sauna Lights: Infrared sauna lights are designed to emit infrared wavelengths, which are believed to have therapeutic effects on the body. While they may have a higher initial cost compared to standard sauna lights, they offer the potential for additional health benefits and may be preferred by those seeking a holistic sauna experience.
By considering both the initial costs and long-term savings associated with different types of sauna lights, you can make an informed decision based on your budget, preferences, and sustainability goals. Investing in energy-efficient LED lights may have a higher upfront cost but can lead to significant savings and environmental benefits over time.

Latest Trends in Sauna Lighting

Staying abreast of the latest trends in sauna lighting involves exploring technological advancements and embracing eco-friendly, smart lighting options.
Technological Advancements

1. LED Technology: LED lighting continues to dominate the sauna industry due to its energy efficiency, durability, and versatility. Manufacturers are continually innovating to enhance LED performance, offering brighter illumination, customizable color options, and improved control features.

2. Smart Controls: The integration of smart technology allows users to control sauna lights remotely via smartphones or tablets. This level of convenience enables personalized lighting experiences, scheduling, and energy monitoring, enhancing user comfort and efficiency.

3. Color Therapy: Color therapy, also known as chromotherapy, is gaining popularity in saunas for its potential health and wellness benefits. Advanced LED systems can emit a spectrum of colors, each associated with different therapeutic effects, such as relaxation, rejuvenation, and mood enhancement.

Eco-Friendly and Smart Lighting Options

1. Energy Efficiency: With a growing focus on sustainability, sauna lighting manufacturers are prioritizing energy-efficient solutions. LED lights consume less power than traditional incandescent bulbs, reducing electricity consumption and environmental impact.

2. Solar-Powered Lights: Solar-powered sauna lights harness sunlight to generate electricity, offering a renewable and eco-friendly lighting option. These lights are ideal for outdoor saunas or locations with ample sunlight exposure, providing sustainable illumination without relying on grid electricity.

3. Motion Sensor Lights: Motion sensor lights automatically activate when they detect movement, optimizing energy usage and enhancing safety in saunas. By eliminating the need for manual switches, these lights promote convenience and efficiency while conserving energy when the sauna is not in use.
Embracing these latest trends in sauna lighting can enhance the sauna experience, promote sustainability, and align with the evolving preferences of users seeking modern, eco-friendly solutions. Whether through advanced LED technology, smart controls, or eco-conscious designs, sauna lighting continues to evolve to meet the diverse needs of sauna enthusiasts.


In conclusion, the significance of selecting the right sauna lights cannot be overstated in creating an optimal sauna experience. Proper lighting not only enhances the ambiance and aesthetics of the sauna but also plays a crucial role in ensuring safety, energy efficiency, and overall enjoyment for users.
By understanding the different types of sauna lights available, considering factors such as brightness, heat resistance, and color, and following installation best practices, sauna owners can elevate their sauna environments to new levels of comfort and satisfaction.
Incorporating the latest trends in sauna lighting, such as LED technology, smart controls, and eco-friendly options, allows sauna enthusiasts to stay ahead of the curve while embracing sustainable and innovative lighting solutions.
Ultimately, investing in high-quality sauna lights is an investment in the well-being and satisfaction of sauna users. With the right lighting fixtures in place, sauna sessions become not only rejuvenating experiences for the body and mind but also opportunities for relaxation, rejuvenation, and holistic wellness.
By prioritizing proper sauna lighting, individuals can create inviting and enjoyable sauna environments that cater to their specific needs and preferences, ensuring a rewarding and fulfilling sauna experience every time.


Q: What are the different types of sauna lights available?

A: Sauna lights come in various types, including traditional incandescent lights, LED sauna lights, fiber optic lights, and infrared sauna lights.

Q: How do I choose the right sauna lights for my sauna?

A: When selecting sauna lights, consider factors such as brightness, heat resistance, and color. Choose fixtures specifically designed for sauna use to ensure durability and safety.

Q: Are sauna lights easy to install?

A: Sauna lights can be relatively straightforward to install, especially if you choose fixtures that are designed for sauna use and follow the manufacturer’s instructions. However, it’s essential to ensure proper electrical wiring and waterproofing to maintain safety.

Q: Are sauna lights waterproof?

A: Yes, sauna lights are typically designed to be waterproof to withstand the high humidity levels present in saunas. However, it’s essential to verify the waterproof rating of the fixtures and ensure proper installation to prevent any water damage.

Q: Can I use regular lights in my sauna?

A: It’s not recommended to use regular lights in saunas due to the high temperatures and humidity levels, which can damage standard light fixtures. Sauna lights are specifically designed to withstand these conditions and ensure safe and efficient operation.

Q: Are LED sauna lights energy-efficient?

A: Yes, LED sauna lights are highly energy-efficient compared to traditional incandescent lights. They consume less power, generate less heat, and have a longer lifespan, making them a cost-effective and eco-friendly lighting option for saunas.

Q: Do sauna lights require any special maintenance?

A: While sauna lights generally require minimal maintenance, routine cleaning and inspection are recommended to ensure optimal performance and safety. Check for any signs of wear or damage and clean the fixtures regularly to remove any dirt or debris.

Q: Are there any safety standards or regulations for sauna lights?

A: Yes, sauna lights must comply with local electrical codes and regulations to ensure safety. It’s essential to choose lights that meet these standards and install them according to manufacturer guidelines to prevent electrical hazards and ensure user safety.

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