How Do You Heat an Outdoor Sauna?

25 minutes read

Heating an outdoor sauna typically involves several key steps, starting with choosing an appropriate heat source. Traditional options include wood-burning stoves, which provide an authentic sauna experience with their unique aroma and ambiance. These stoves require regular maintenance, such as cleaning out ash and ensuring a proper supply of dry wood to maintain a consistent temperature. Alternatively, electric sauna heaters offer a more convenient and easily controlled experience, allowing precise temperature adjustments with a simple thermostat. Installation of electric heaters might require professional assistance to ensure safe and proper electrical connections. For both wood-burning and electric options, it's crucial to have proper ventilation to facilitate airflow and avoid overheating. The heating process demands pre-heating the sauna, which can take anywhere from 30 minutes to an hour, depending on the outside temperature and the specific heater used. During this time, it's common to prepare the environment by setting out towels and water for steam, which is created by pouring water over hot stones atop the heater. This added steam can greatly enhance the sauna experience, improving the humidity and overall comfort level as you relax and enjoy the soothing heat.

Best Outdoor Saunas to Buy in February 2025

1
Kanlanth Outdoor Infrared Sauna 4 Person Far Infrared Saunas Low EMF Sauna Room for Home, 2050watt Canadian Hemlock Wooden Large Sauna with Blue-Tooth, 2 LCD Control, 4 Chromo Therapy Lighting

Rating is 5 out of 5

Kanlanth Outdoor Infrared Sauna 4 Person Far Infrared Saunas Low EMF Sauna Room for Home, 2050watt Canadian Hemlock Wooden Large Sauna with Blue-Tooth, 2 LCD Control, 4 Chromo Therapy Lighting

  • Far Infrared Sauna: Built-in 8 carbon crystal far infrared low emf heating plates, 2050w power, 20-30 minutes quick preheat, max temperature up to 65°c/149°f, light touch control panel and led display, easy to use; blue-tooth speaker and led reading light
  • 4-Person Home Sauna - 4-person inner space size, Outdoor sauna dimensions 68*52*82.6inches. Appropriate height:1.5~1.9m (4.9-6.2 ft) tall person, with 660 lb (300 kg) seat load, 6mm glass door, top ceiling vent, can be used in Outdoor use (or indoors).
  • Wooden Sauna Room: Kanlanth Canadian Hemlock home sauna, modular design, tongue and groove design, quick assembly, easy maintenance. If leakage occurs, the protection device will automatically cut off the power supply during use
2
Xmatch Saunas 902V Far Infrared Sauna, Outdoor Wooden Dry Sauna Low EMF (Hemlock Wood, 2-Person Size)

Rating is 4.9 out of 5

Xmatch Saunas 902V Far Infrared Sauna, Outdoor Wooden Dry Sauna Low EMF (Hemlock Wood, 2-Person Size)

  • Material: Kiln Dried Premium Hemlock Wood; model 902VS 2-person inner space size for 1.5~1.9m (4.9-6.2 ft) tall person, seat weight capacity 660 lbs (300Kg) Tempered glass door in 6 mm, vents on top ceiling, intend for outdoor and indoor use.
  • 9 Low EMF Heating plates 1750W power 120V AC plug, 10-15 minutes quick warm up, 2 advanced 12V 4in music speakers, Bluetooth connection with your smart phone/tablet
  • LCD panel control of time and temperature pre-setting from 20-65 Celsius (68-149 F), Max 65 Celsius (149 F) auto switch off
  • Modular design, Tongue and groove design quick assembly, easy maintenance to replace malfunctional component if occurred, Professional Post-sale service always online
3
MEISSALIVVE Infrared Sauna, Full-Spectrum Infrared Outdoor Saunas for Home - Dry Heat Sauna, Wooden Sauna Room with Beauty Lamp (Outdoor Sauna 2 Person)

Rating is 4.8 out of 5

MEISSALIVVE Infrared Sauna, Full-Spectrum Infrared Outdoor Saunas for Home - Dry Heat Sauna, Wooden Sauna Room with Beauty Lamp (Outdoor Sauna 2 Person)

  • [Cutting-Edge Full Spectrum Sauna Experience]- Our outdoor sauna employs advanced full-spectrum technology, combining 4 far-infrared heating carbon panels, 3 mid-infrared metal-carbon tubes, and a near-infrared beauty lamp. This diverse range of heating elements ensures rapid and uniform heating, max temperature up to 65°C/149°F. With independent control buttons for the carbon tubes and beauty lamp, you can customize each zone according to your preference.
  • [Comprehensive Wellness & Entertainment Experience]- The full-spectrum sauna offers more comprehensive benefits. Harnessing various spectral light bands provides superior recovery and relaxation benefits. Regular sauna sessions contribute to alleviating joint pain, enhancing blood circulation, and detoxifying the body. Moreover, our unit comes equipped with a Bluetooth speaker and ambient lighting, creating a unique atmosphere for you to enjoy sauna sessions.
  • [Notes]- As an oversized item, we will use truck delivery. Therefore, you must confirm the phone number and address before shipment so the carrier can contact the consignee for the final delivery appointment. If you have any questions, please email us and we will respond within 24 hours.
4
Outdoor Sauna 3 Person Infrared Sauna, Infrared Saunas for Home, 1950W Low EMF Far Infrared Sauna Old Fir Wooden Sauna with Beauty Red Light, Foldable Seat, Bluetooth, Chromotherapy Lamp, Reading Lamp

Rating is 4.7 out of 5

Outdoor Sauna 3 Person Infrared Sauna, Infrared Saunas for Home, 1950W Low EMF Far Infrared Sauna Old Fir Wooden Sauna with Beauty Red Light, Foldable Seat, Bluetooth, Chromotherapy Lamp, Reading Lamp

  • Red Light Sauna - In addition to the far infrared heating panels, it is also equipped with 1 mid infrared beauty therapy red light, which is a higher configuration than most saunas on the market. The wave band is stable and stays within the low EMF range, which is good for human health
  • Infrared Sauna - 1950W, maximum temperature up to 149°F, equipped with 7 far infrared heating panels, so that each area can be heated evenly, can provide stable heat for the whole body. Consistent use can achieve weight loss, improve skin tone, relieve stiffness and joint pain, improve blood circulation, promote calm sleep, and reduce stress
  • Upgraded Folding Seat - 81.1*44.88*83.46in(overall external dimensions) large space easily accommodates 3 person, the seat can be flat or folded, you can choose to sit or lie down in the sauna, bringing you a more comfortable sauna experience. Equipped with 6mm tempered glass door, can be used outdoor (or indoor)
5
LTCCDSS Outdoor Infrared Sauna 2 Person | Far Infrared Sauna, Canadian Hemlock, Withstand Outdoor Temp -5℉-104℉| Low EMF Sauna Room for Home-9 Low EMF Heaters-Chromotherapys-Bluetooth Speakers

Rating is 4.6 out of 5

LTCCDSS Outdoor Infrared Sauna 2 Person | Far Infrared Sauna, Canadian Hemlock, Withstand Outdoor Temp -5℉-104℉| Low EMF Sauna Room for Home-9 Low EMF Heaters-Chromotherapys-Bluetooth Speakers

  • 📩[Perfect after-sal-es Ser-vice] : We provide 10-year of seller warran-ty and re-turn ser-vice, if you have any questions about the product, you can contact us directly, we will reply you within 12 hours.
  • 📐【Perfect Sauna Experience】: Outdoor sauna - 2 colorful lights, 2 reading lights and 2 bluetooth speakers. After a long day at work, relax in the home sauna while reading, listening to music and more. It can lose weight, improve skin tone, relieve stiffness and joint pain, increase blood circulation, promote calmer sleep, reduce stress and improve overall energy levels.
  • ⚙[Far Infrared Sauna]A new generation of non-radiation carbon crystal far infrared low EMF heating plate, with stable wave band and better physical therapy effect, offers you omnidirectional far-infrared light wave physical therapy.
6
Polar Revive Barrel Sauna, Pinewood Outdoor Sauna for 2-4 People, 72x59 inches

Rating is 4.5 out of 5

Polar Revive Barrel Sauna, Pinewood Outdoor Sauna for 2-4 People, 72x59 inches

  • Built Different: Our Pinewood barrel sauna is built for the outdoors and all the elements.
  • All Accessories Included: Windows, volcanic stone, wooden bucket, thermometer, light
  • 12 Month Warranty: 12 Month No Questions asked warranty, as a small business out of Charlotte, NC, we stand by our products and our customers
7
Dynamic Saunas Andora 2-Person Low EMF FAR Infrared Sauna, Canadian Hemlock Wood

Rating is 4.4 out of 5

Dynamic Saunas Andora 2-Person Low EMF FAR Infrared Sauna, Canadian Hemlock Wood

  • HOME SAUNA - FAR Infrared Sauna 2 Person infrared sauna uses 6 Carbon PureTech heating panels to heat your body from the inside out
  • ADEQUATE LIGHTING - Our Dry sauna for home features interior lighting, ensuring you are able to read and relax while using the sauna
  • ENJOY MUSIC WHILE YOU RELAX- Convenient Music System with Bluetooth capability and 2 dynamic speakers with pre-amp lets you listen to your music while you relax
8
AURGOD Outdoor Barrel Canadian Hemlock Sauna with Porch, Wood Burning Stove Sauna with Large Glass Windows for 4 Person, Scenic Porch, Wood Fire Sauna, Luxurious Texture

Rating is 4.3 out of 5

AURGOD Outdoor Barrel Canadian Hemlock Sauna with Porch, Wood Burning Stove Sauna with Large Glass Windows for 4 Person, Scenic Porch, Wood Fire Sauna, Luxurious Texture

  • Broad Space: Our spacious glass sauna room size is 71"W x71"D x71"H. With an at-home sauna, you can enjoy luxurious self-care any day of the week. And it can accommodate all the members of your family without having to wait in line to enjoy it
  • Sauna Materials: Our barrel outdoor wood burning sauna come in hemlock wood designs. Hemlock is a popular choice for sauna construction. Hemlock is known for its minimal expansion and contraction in response to changes in temperature and humidity, making it a reliable choice. We carefully polish each piece of wood
  • Efficient Heating: Our barrel finnish sauna 4 persona is equipped with a powerful wood burning sauna heater, requiring zero electricity, heating capacity is equivalent to 9-15 kW electric heater. Heating the stones in the furnace by igniting the heat generated by the burning wood, it also makes the sauna experience more primitive and immersive
9
Outdoor Sauna 2 Person Sauna Outdoor Infrared Sauna 2-Person for Home 1800w Outdoor Saunas for Home Canadian Hemlock and Red Cedar Wood Sauna Outdoor Two Person Far Infrared Sauna Low EMF for Backyard

Rating is 4.2 out of 5

Outdoor Sauna 2 Person Sauna Outdoor Infrared Sauna 2-Person for Home 1800w Outdoor Saunas for Home Canadian Hemlock and Red Cedar Wood Sauna Outdoor Two Person Far Infrared Sauna Low EMF for Backyard

  • Ideal Wood Sauna: This outdoor sauna 2 person is made from Canadian Hemlock and Red Cedar wood, known for their durability and high barrier to moisture and decay, ensuring the outdoor sauna's pristine condition is maintained over time. They also effectively retains heat inside the sauna outdoor, emit a pleasant wood aroma, and create a comfortable sauna atmosphere. Tempered glass sauna door boosts security, durability, and heat tolerance, ensuring a secure and reliable sauna experience
  • Benefits of Far Infrared Sauna: This outdoor sauna 2 person can help promote blood circulation, alleviate muscle pain, aid in boosting metabolism, and also contribute to reducing stress and anxiety, promoting overall physical and mental well-being. The sauna outdoor is equipped with an intelligent LCD control panel that manages power, lighting, temperature, and timing. The door handle inside the sauna room can serve as a towel rack, adding convenience to your experience
  • Efficient & Even Heating: This outdoor sauna 2 person features a power of 1800W, equipped with 8 low EMF, energy-efficient 110-120V far infrared graphene heating panels. In just 20-30 minutes, the temperature inside the sauna outdoor will quickly rise, providing generous, gentle heat evenly distributed throughout the entire sauna room, reaching a maximum of 140°F (60°C). The bottom heating plate can be adjusted independently to keep your feet warm
10
Outdoor Mahogany Ultra-Low EMF Sauna 4 Person Far Infrared Sauna for Home EMF average 0.5 mG, Withstand Outdoor Temp -10℉-149℉ Chromotherapy, Bluetooth Speaker (Freebie : Steam Sauna, Sauna Backrest)

Rating is 4.1 out of 5

Outdoor Mahogany Ultra-Low EMF Sauna 4 Person Far Infrared Sauna for Home EMF average 0.5 mG, Withstand Outdoor Temp -10℉-149℉ Chromotherapy, Bluetooth Speaker (Freebie : Steam Sauna, Sauna Backrest)

  • ⚙【Ultra-Low EMF Outdoor Sauna】: LTCCDS outdoor msauna room uses a special setting that can shield electromagnetic fields through the inner tube of the far-infrared heating plate. The average EMF reading is between 0 and 1.5,This can shield ELF and EMF above 90%, 12 non-radiation carbon crystal far-infrared heating plates, stable wave band, 100% maintained in the low EMF range for human health. 20 minutes quick warm-up, temperature control range: 68-140 degrees Fahrenheit .
  • 🌲[West African mahogany from Nigeria, Ghana] Sourced from the coast of West Africa, Mahogany offers water resistance superior to oak and all other woods, sturdiness without splintering, and superior stain resistance. Lightly scented wood, strong temperature resistance can withstand outdoor temperatures up to: -10°F-149°F.
11
LTCCDSS Garner Outdoor Sauna 2 Person, Far Infrared Sauna, Low EMF Sauna Room for Home, Low EMF Heaters | Chromotherapys | Bluetooth Speakers | Canadian Hemlock | 47.2 * 81.1 * 37.0 in

Rating is 4 out of 5

LTCCDSS Garner Outdoor Sauna 2 Person, Far Infrared Sauna, Low EMF Sauna Room for Home, Low EMF Heaters | Chromotherapys | Bluetooth Speakers | Canadian Hemlock | 47.2 * 81.1 * 37.0 in

  • ❤️【Powerful after-Sales Service】20 years of factory strength, we have the courage to provide up to 10 years of after-sales warranty protection services, four warehouses across the United States CA, TX, NJ, GA can be shipped to the physical experience store in Los Angeles to welcome you to visit.
  • 💚【Eastern Canadian Hemlock】The materials of the sauna room are all taken from the hemlock on the east coast of Quebec, Canada, which is waterproof, resistant to high and low temperatures. The outdoor sauna can withstand most outdoor temperatures all year round: -5℉-120℉.
  • 🤎【Super Size Outdoor Sauna】: The overall external size of the LTCCDSS outdoor sauna room is as high as 83In*68.2In*52.4In, which can easily accommodate 2 people to take a sauna at the same time, suitable for height: 55 inches to 78 inches.


How do you control humidity in a sauna?

Controlling humidity in a sauna is crucial for creating a comfortable and effective environment. Here are some ways to manage humidity levels:

  1. Water on Stones: The most direct way to control humidity is by pouring water over the heated sauna stones. This will instantly increase the humidity in the room. Adjust the amount of water based on the desired humidity level.
  2. Ventilation: Ensure that your sauna has proper ventilation. This includes an adjustable air vent near the floor and one at the ceiling or upper wall. By adjusting these vents, you can control the air exchange, indirectly affecting the humidity.
  3. Humidity Gauge: Use a hygrometer to monitor the humidity levels within the sauna. This can help you keep track of the conditions and make adjustments as necessary.
  4. Amount of Water: Control the amount of water used during the session. Less water will result in lower humidity, while more water will increase it.
  5. Humidity Settings (Electric Sauna Heaters): If you have an electric sauna heater with built-in controls, use the humidity setting feature if available. Some models allow you to set specific humidity levels.
  6. Timing of Water Application: Pour water over the stones periodically rather than all at once. This method helps maintain consistent humidity levels throughout the session.
  7. Air Circulation: Keep the sauna door closed to maintain humidity but ensure that there is enough air circulation. Opening the door occasionally can help lower humidity if it gets too high.


By regulating these factors, you can achieve and maintain the desired humidity level, enhancing the sauna experience.


What is the history behind traditional saunas?

The history of traditional saunas dates back thousands of years, primarily to the Nordic and Baltic regions of Europe, where they have played a significant role in daily life and culture. Here is an overview of their history:

  1. Origins: The concept of using heat for relaxation and therapeutic purposes can be traced back to various ancient cultures, but the sauna as we know it today is most closely associated with Finland. Finns are believed to have built the first saunas over 2,000 years ago. Initially, these were simple pits dug into the ground and covered with animal skins where water was thrown over hot stones to create steam.
  2. Evolution in Design: Over time, saunas evolved into more permanent structures. Early saunas in Finland, known as "savusauna," were smoke saunas without chimneys. They consisted of a small log cabin where a fire was built under a pile of stones. Once the fire burned out, smoke was vented, and the residual heat was used for the sauna.
  3. Cultural Significance: Saunas became an integral part of Finnish culture, with their use intertwined into many life events. It was customary for children to be born in saunas, and they were also places for cleansing before rituals or celebrations. The sauna was considered a sacred space, often referred to as the "poor man's pharmacy" due to its perceived health benefits.
  4. Spread Across the World: Finnish migrants played a critical role in spreading the sauna tradition to other parts of the world, especially during the late 19th and early 20th centuries when many Finns emigrated to North America. The sauna's popularity grew, resulting in variations like the dry heat sauna and, later, the electric sauna heater to make the experience more convenient.
  5. Modern Adaptations: Today, saunas are found worldwide and have been adapted into various forms, including infrared saunas and steam baths. However, the traditional Finnish sauna remains popular for its authentic experience.
  6. Health and Wellness: Modern interest in health and wellness has reinforced the popularity of saunas. Studies suggest that regular sauna use can have numerous health benefits, including improved cardiovascular health, skin purification, and stress relief.


The sauna continues to be a symbol of relaxation and wellness, deeply rooted in centuries of tradition and still central to Finnish culture and beyond.


What is the lifespan of a sauna heater?

The lifespan of a sauna heater can vary depending on several factors, including the type of heater, the frequency and conditions of use, and the quality of maintenance. Generally, a well-maintained electric sauna heater can last between 10 to 20 years. Infrared sauna heaters typically have a similar lifespan if properly cared for. Wood-burning sauna stoves may last longer, potentially exceeding 20 years, especially if they are constructed with high-quality materials and regularly maintained. Regular cleaning, ensuring proper ventilation, and following the manufacturer's usage guidelines can help extend the lifespan of a sauna heater.


How do you enhance the sauna experience with lighting?

Enhancing the sauna experience with lighting can significantly elevate ambiance and relaxation. Here are some ideas to consider:

  1. Mood Lighting: Use warm, soft colors like amber, red, or orange to create a calming and inviting atmosphere. Avoid overly bright lights that can be harsh on the eyes.
  2. LED Lights: Incorporate LED strips or fixtures that are durable and energy-efficient. Choose options specifically designed for high heat and humidity environments.
  3. Color Therapy (Chromotherapy): Install color-changing LED lights that can shift through a spectrum of calming colors. Different colors are believed to have varying therapeutic effects, such as blue for tranquility or green for balance.
  4. Fiber Optic Lighting: Create a starlit ceiling with fiber optic lights. This subtle, twinkling effect can mimic the night sky and promote relaxation.
  5. Dimmer Switches: Add dimmer controls to adjust the lighting intensity according to preference, allowing for a personalized atmosphere.
  6. Candlelight Effect: Use LED lights that mimic the flicker of candles for a cozy, traditional sauna feel, without the fire hazard.
  7. Backlit Benches or Panels: Install lighting under the benches or behind wooden panels to create a soft, indirect glow that enhances the wood's natural beauty.
  8. Accent Lighting: Highlight specific design features like stones, wooden beams, or the sauna heater with strategically placed spotlights.
  9. Smart Lighting Systems: Implement smart controls that allow users to adjust lighting settings via a smartphone or voice commands for added convenience.
  10. Natural Light Simulation: If possible, integrate skylights or windows to introduce natural light. Consider privacy and ensure any sunlight does not overheat the space.


When planning your sauna lighting, ensure all electrical installations are suited for sauna conditions, prioritizing safety and durability.


How do you use sauna rocks correctly?

Using sauna rocks correctly is important for a safe and effective sauna experience. Here's a guide on how to do it properly:

  1. Type of Rocks: Use only rocks specifically designed for saunas, such as peridotite, olivine, or vulcanite. These rocks can withstand high temperatures and repeated heating and cooling without breaking apart.
  2. Preparation: Before using new sauna rocks, rinse them thoroughly with water to remove any dust or debris. This prevents the release of unwanted particles into the sauna air.
  3. Layering the Rocks: Arrange the rocks in the sauna heater so that there is good airflow between them. Start with larger rocks at the bottom and smaller ones at the top. This allows the heat to distribute evenly and improves the efficiency of the heater.
  4. Quantity: Avoid overloading the heater with rocks. Follow the manufacturer's guidelines regarding the maximum weight or volume of rocks for your particular sauna heater model.
  5. Heating the Rocks: Turn on the sauna heater and allow the rocks to fully heat before use. This typically takes 30 to 60 minutes, depending on your sauna's specific heater.
  6. Using Water: To create steam and increase humidity, gently pour water over the heated rocks using a ladle. Use clean, preferably warm water, to reduce the shock to the rocks. Be cautious about adding scented oils or other additives, as some may damage the rocks or heater.
  7. Amount of Water: Start with small amounts of water and gradually increase as needed. Pouring too much water at once can cause the rocks to crack due to thermal shock and may also damage the heater.
  8. Maintenance: Regularly check and clean the sauna rocks to remove any built-up residue or debris. Inspect them periodically for cracks or damage and replace any that are deteriorating to maintain safe and efficient operation.
  9. Cooling the Rocks: After using the sauna, allow the rocks to cool down slowly, keeping the heater off until they return to room temperature.


By following these guidelines, you can ensure that your sauna rocks are used safely and effectively, enhancing your overall sauna experience.

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